CN219802929U - Closed machine case with forced air cooling heat dissipation function - Google Patents
Closed machine case with forced air cooling heat dissipation function Download PDFInfo
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- CN219802929U CN219802929U CN202320912547.3U CN202320912547U CN219802929U CN 219802929 U CN219802929 U CN 219802929U CN 202320912547 U CN202320912547 U CN 202320912547U CN 219802929 U CN219802929 U CN 219802929U
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- closed
- case
- heat dissipation
- back plate
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 25
- 238000001816 cooling Methods 0.000 title claims abstract description 14
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims 1
- 238000004891 communication Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000000191 radiation effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model belongs to the field of relevant accessories of communication equipment, and discloses a closed machine case with a forced air cooling heat dissipation function, wherein the whole closed machine case is of a closed box type structure formed by a plurality of panels, a back plate for dividing the interior of the machine case into a front area and a rear area is arranged in the middle of the interior of the closed machine case, a plurality of service board card assemblies are inserted in the front area of the back plate, and a rear outlet board is correspondingly inserted in the rear area of the back plate; the surfaces of the upper panel and the lower panel of the closed case are respectively provided with a plurality of radiating fins, the two sides of the rear panel of the closed case are respectively provided with a fan, and the fans are kept isolated from the service board card assembly and are arranged in a cavity communicated with the radiating fins. The utility model not only can effectively solve the problem of the progress of the space of the chassis, but also can remarkably improve the heat dissipation effect, and has the advantages of flexible and adjustable fan rotation speed, low noise and the like.
Description
Technical Field
The utility model belongs to the field of accessories related to communication equipment, and particularly relates to a closed chassis with a forced air cooling and heat dissipation function.
Background
At present, various electronic devices can work in severe environments such as sand dust, high humidity and high salt mist, and the direct exposure of the board card to the environment can lead to corrosion and dust accumulation of components, so that the board card is required to be installed in a closed chassis to avoid the invasion of external environment. For example, for a closed chassis of a military electronic device, 8 slots are usually provided in the chassis, and 8 service cards are respectively inserted into the chassis, and corresponding slots on the rear of the chassis are required to directly pull out the rear outlet board from the rear.
However, further studies have shown that the above prior art still has the following drawbacks or deficiencies: firstly, the height of the closed case is generally about 20mm than that of a board card Gao Dugao mm, and the fan cannot be directly arranged inside the radiator due to the size, so that the problem of shortage of the space of the case exists; second, the heat consumption of such enclosures tends to be relatively high, and conventional heat dissipation schemes employed in such enclosures have not been satisfactory in many cases.
Accordingly, there is a need in the art for further improvements or improvements in this regard to better meet the operational needs of modern communication devices.
Disclosure of Invention
Aiming at the defects or demands of the prior art, the utility model aims to provide the closed chassis with the forced air cooling heat dissipation function, wherein the specific structure composition, the arrangement mode and the like of the heat dissipation module of the closed chassis are pertinently improved by fully combining the self characteristics and the specific demands of the closed chassis of the electronic equipment, and the corresponding heat dissipation module can realize good heat dissipation effect in a manner of compact structure and convenient operation and control, and simultaneously can effectively compress the internal installation space, so that the closed chassis is particularly suitable for application occasions of the closed chassis under various complicated working conditions.
In order to achieve the above object, according to the present utility model, there is provided a closed casing having a forced air cooling heat dissipation function, characterized in that:
the whole closed case is of a closed box type structure formed by a plurality of panels together, a back plate which divides the interior of the case into a front area and a rear area is arranged in the middle of the interior of the closed case, a plurality of service board card assemblies are inserted in the front area of the back plate, and a rear outlet board is correspondingly inserted in the rear area of the back plate;
the surfaces of the upper panel and the lower panel of the closed case are respectively provided with a plurality of radiating fins, the two sides of the rear panel of the closed case are respectively provided with a fan, and the fans are kept isolated from the service board assembly and are arranged in a cavity communicated with the radiating fins; the heat radiating fins are used for directly conducting heat generated by the service board card assembly to the upper side and the lower side of the closed case, and then the fan provides a forced air cooling source for exhausting and heat exchanging.
Further preferably, the two side plates of the closed chassis are also provided with lightening grooves.
As a further preferred aspect, the height of the heat dissipation fins is 9mm, and the heat dissipation fins are uniformly distributed on the surfaces of the upper and lower panels of the closed chassis.
Further preferably, the heat dissipation fins are further connected with air guide strips, and then are arranged on the upper panel and the lower panel of the closed case together through splicing pieces.
As a further preferred feature, the fans are axial flow fans, and the two fans mounted on both sides of the rear panel keep the air volume and the air pressure consistent.
As a further preferred option, the fan is isolated from the service card assembly by an aluminum plate subjected to conductive oxidation treatment, and a ventilation waveguide plate is installed at the rear side of the fan.
As a further preferred aspect, the wind speed of the fan is adjustable.
Further preferably, the enclosure is a VPX-frame-reinforced enclosure.
In general, compared with the prior art, the above technical solution conceived by the present utility model mainly has the following technical advantages:
(1) The utility model fully combines the heat radiation function of the communication equipment closed case under various complex working conditions to consider, and can correspondingly and effectively solve the problem of shortage of the case space and remarkably improve the heat radiation effect by redesigning the structural composition of the whole heat radiation unit and the setting mode of key components;
(2) The closed chassis adopts the ventilation heat dissipation of the fan and the conduction heat dissipation of the heat dissipation fins, combines the cooperation among other components and the air duct guide, not only can the installation space inside the chassis be compressed, but also the wind speed of the fan can be adjusted, and correspondingly can be adjusted in real time according to the temperature of the module fed back by the main control board, when the chassis does not run at full load, the fan does not run at full rotation speed, and the noise is effectively reduced;
(3) The closed chassis has compact integral structure, high reliability and convenient operation and control, and can adapt to various complex working environments, thereby being particularly suitable for application occasions such as military communication equipment.
Drawings
FIG. 1 is a schematic diagram of the internal structure of a closed chassis with forced air cooling and heat dissipation according to the present utility model;
FIG. 2 is a schematic view of a duct design and airflow patterns for an exemplary enclosure embodying the present utility model;
the same reference numbers are used throughout the drawings to reference like elements or structures, wherein:
1-a back plate; 2-heat dissipation fins; 3-a fan; 4-wind guiding strips; 101-a service card assembly; 102-a rear outlet plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Fig. 1 is a schematic diagram of the internal structure of a closed chassis with forced air cooling and heat dissipation functions according to the present utility model. As shown in fig. 1, the periphery of the enclosure according to the present utility model is enclosed by an upper panel, a lower panel, a left side panel, a right side panel, a front panel, a rear panel, etc. respectively, to form a sealed box structure, and a plurality of service card assemblies are installed therein.
As a key improvement of the utility model, a backboard 1 for dividing the interior of the closed chassis into a front area and a rear area is arranged in the middle of the interior of the closed chassis, wherein a plurality of service board card assemblies 101 are inserted into the front area of the backboard 1, and a rear outlet board 102 is correspondingly inserted into the rear area of the backboard 1; in addition, the surfaces of the upper and lower panels of the closed chassis are respectively processed with a plurality of heat radiation fins 2, two sides of the rear panel of the closed chassis are respectively provided with a fan 3, and the fan 3 is kept isolated from the service board assembly 101 and is arranged in a cavity communicated with the heat radiation fins 2.
More specifically, referring again to fig. 1, the upper and lower panels of the closed chassis of the present utility model are designed with heat dissipation fins or teeth, and may be covered with a cover plate, two side plates are designed with lightening grooves, a back plate is designed in the middle of the chassis, for example, 8 service card assemblies are inserted in the front of the back plate, and a back outlet plate is inserted in the back of the back plate correspondingly, so as to isolate the card in the chassis from the external severe environment. The main board card that produces heat in the quick-witted incasement is the service board card subassembly, and service board card veneer heat consumption 30W, and the heat is for the heat conduction of the shell through service board card subassembly with most heat conduction to the upside of quick-witted case, then with the heat conduction to the upper and lower surface heat radiation fins of quick-witted case, the fan is installed in the both sides of quick-witted case rear panel respectively, and the fan is kept apart with the inside board card of quick-witted case.
Through the design, when the service board card assembly is used, the heat radiating fins 2 are used for directly conducting heat generated by the service board card assembly 101 to the upper side and the lower side of the closed chassis, then the fan 3 provides a forced air cooling source for exhausting and exchanging heat, and then air is exhausted from the rear part of the closed chassis.
In addition, as the case selects a fan for exhausting and radiating, the internal installation space is compressed, so that the case can meet the 4U height; and the fans can also adopt speed-adjustable fans to support PWM speed adjustment, the temperature of each module is monitored through the main control board, the fan control board intelligently adjusts the rotating speed of the fan according to the temperature of the module fed back by the main control board, and when the chassis does not run at full load, the fan does not run at full rotating speed, so that noise is reduced.
Referring to FIG. 2, a schematic diagram of the wind tunnel design and wind flow direction of the present utility model is exemplarily shown. As shown in fig. 2, in the process of heat exchange of the heat dissipation fins of the chassis by forced air cooling of the fan, in order to reduce pressure loss of the air duct, an air guide strip 4 can be further designed in the air duct, air is introduced into the front panel of the chassis, air is discharged from the rear part, and an arrow in the figure indicates the flow direction of the airflow field.
In addition, for the maintenance of being convenient for, two fans are preferably mountable on the both sides mounting panel of quick-witted case rear panel, and the fan separates with the inside integrated circuit board of quick-witted case with aluminum plate, and aluminum plate has done conductive oxidation treatment, and ventilation waveguide board is installed to the fan rear side, and the fan is installed in the cavity with upper and lower heat dissipation tooth intercommunication, the electromagnetic radiation of the production of shielding fan.
According to a preferred embodiment of the present utility model, the heat dissipation fins are preferably 9mm in height and uniformly distributed on the surfaces of the upper and lower panels of the closed cabinet.
According to another preferred embodiment of the utility model, the fans are preferably axial flow fans, and the two fans arranged on two sides of the rear panel keep the air quantity and the air pressure consistent, so that the fans with large air quantity and small air quantity are prevented from being used in pairs, and a sufficient distance is reserved between the fans and the baffle plate, and the air quantity of the fans is prevented from being influenced. The fans are preferably further provided with a fan control board for adjusting the rotational speed of each fan in accordance with the temperature real-time signal.
In conclusion, compared with the existing equipment, the closed case provided by the utility model has the advantages of compact overall structure, high reliability, convenience in installation and use, strong environmental adaptability and capability of remarkably improving the heat dissipation effect. In addition, the combined design of heat radiation fin conduction heat radiation and fan air draft heat radiation is adopted in the case, so that the internal installation space is compressed, the case meets the 4U height, and the final heat radiation effect is obviously improved, and the VPX framework reinforcement case is particularly suitable for various complex application occasions.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (8)
1. The utility model provides a closed machine case that possesses forced air cooling heat dissipation function which characterized in that:
the whole closed case is of a closed box type structure formed by a plurality of panels together, a back plate which divides the interior of the case into a front area and a rear area is arranged in the middle of the interior of the closed case, a plurality of service board card assemblies are inserted in the front area of the back plate, and a rear outlet board is correspondingly inserted in the rear area of the back plate;
the surfaces of the upper panel and the lower panel of the closed case are respectively provided with a plurality of radiating fins, the two sides of the rear panel of the closed case are respectively provided with a fan, and the fans are kept isolated from the service board assembly and are arranged in a cavity communicated with the radiating fins; the heat radiating fins are used for directly conducting heat generated by the service board card assembly to the upper side and the lower side of the closed case, and then the fan provides a forced air cooling source for exhausting and heat exchanging.
2. The enclosure of claim 1, wherein the side panels of the enclosure are further configured with relief slots.
3. The enclosure of claim 1 or 2, wherein the heat fins have a height of 9mm and are uniformly distributed on the surfaces of the upper and lower panels of the enclosure.
4. The enclosure of claim 1, wherein the cooling fins are further connected to air guide strips, which are then disposed on the upper and lower panels of the enclosure together by splice elements.
5. The enclosure of claim 1 or 2, wherein the fans are axial flow fans, and two fans mounted on both sides of the rear panel maintain the same air volume and air pressure.
6. The enclosure of claim 1 or 2, wherein the blower is isolated from the service card assembly by a conductive oxidized aluminum plate, and a ventilation waveguide plate is mounted on a rear side of the blower.
7. The enclosure of claim 1 or 2, wherein the rotational speed of the blower is adjustable.
8. The enclosure of claim 1 or 2, wherein the enclosure is a VPX fabric reinforced enclosure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320912547.3U CN219802929U (en) | 2023-04-18 | 2023-04-18 | Closed machine case with forced air cooling heat dissipation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320912547.3U CN219802929U (en) | 2023-04-18 | 2023-04-18 | Closed machine case with forced air cooling heat dissipation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219802929U true CN219802929U (en) | 2023-10-03 |
Family
ID=88179799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320912547.3U Active CN219802929U (en) | 2023-04-18 | 2023-04-18 | Closed machine case with forced air cooling heat dissipation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219802929U (en) |
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2023
- 2023-04-18 CN CN202320912547.3U patent/CN219802929U/en active Active
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