CN115551322A - Case with novel heat radiation structure - Google Patents
Case with novel heat radiation structure Download PDFInfo
- Publication number
- CN115551322A CN115551322A CN202211340526.5A CN202211340526A CN115551322A CN 115551322 A CN115551322 A CN 115551322A CN 202211340526 A CN202211340526 A CN 202211340526A CN 115551322 A CN115551322 A CN 115551322A
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- China
- Prior art keywords
- air
- heat dissipation
- plate
- chassis
- fan box
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- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to a case with a novel heat dissipation structure, which comprises a case main body consisting of a front panel, a rear panel, a left side plate, a right side plate, a top plate and a bottom plate, wherein an upper guide rail plate and an air deflector which are parallel to the top plate are arranged in the case main body, the upper guide rail plate is connected to the front end of the air deflector and forms an air duct partition plate, the air duct partition plate is matched with the case main body to divide an inner cavity of the case main body into an air duct cavity at the upper part and a functional module accommodating cavity at the lower part, an air inlet communicated with the air duct cavity is formed in the upper side of the front panel, heat dissipation fins extending in the front-back direction are arranged on the upper side of the upper guide rail plate, a fan box is arranged on the rear panel, an inlet of the fan box is communicated with the air duct cavity through an opening in the air deflector, and an outlet of the fan box is communicated with an air outlet in the rear panel. The invention adopts a brand new heat dissipation air duct structure, adopts a heat dissipation mode of cold conduction and air cooling, and physically isolates the air duct cavity from the functional module accommodating cavity, thereby improving the environmental resistance and the working reliability of the product.
Description
Technical Field
The invention belongs to the technical field of chassis heat dissipation structures, and particularly relates to a chassis with a novel heat dissipation structure.
Background
In general, military equipment is usually exposed to harsh environments, such as sand, dust, rain, strong electromagnetic compatibility, and the like, during use, and therefore, the design of the military equipment needs to be specifically designed. Conventionally, the chassis is made into a closed chassis, and the problem of the harsh environment can be solved by the closed chassis. However, the heat of the closed chassis is dissipated only by means of cooling conduction and radiation of the chassis structural member shell, so that the heat dissipation capacity of the whole chassis is limited to a certain extent, and the power consumption of the whole chassis is limited.
Disclosure of Invention
In order to solve the problems in the prior art, the invention designs a novel heat dissipation structure based on a 19-inch 3U standard case, and the heat dissipation of the functional module in the case is considered on the premise of meeting the harsh use environment.
The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. The case with the novel heat dissipation structure comprises a case main body consisting of a front panel, a rear panel, a left side plate, a right side plate, a top plate and a bottom plate, wherein an upper guide rail plate and an air guide plate which are parallel to the top plate are arranged inside the case main body, the upper guide rail plate is connected to the front end of the air guide plate and forms an air channel partition plate, the air channel partition plate is matched with the case main body to divide an inner cavity of the case main body into an air channel cavity at the upper part and a functional module accommodating cavity at the lower part, the functional module accommodating cavity is used for accommodating the functional module, an air inlet hole communicated with an inlet of the air channel cavity is formed in the upper side of the front panel, heat dissipation fins extending in the front-back direction are arranged on the upper side of the upper guide rail plate, a fan box is mounted on the rear panel, a fan is arranged in the fan box, the inlet of the fan box is communicated with an outlet of the air channel cavity through an opening in the air guide plate, and the outlet of the fan box is communicated with an air outlet in the rear panel.
Furthermore, the bottom plate and/or the upper guide rail plate are/is provided with guide rails extending along the insertion direction.
Furthermore, a plurality of radiating fins are arranged in parallel along the distribution direction of the functional modules.
Furthermore, the upper side of the air deflector is provided with a flow deflector for guiding hot air to enter the fan box.
Further, the flow deflectors comprise a first flow deflector and a second flow deflector, wherein the front end of the first flow deflector is connected with the radiating fin, and the rear end of the first flow deflector is connected to the opening; the second flow deflector is of a V-shaped structure with an opening facing forwards, and the first flow deflector is positioned inside the second flow deflector.
Furthermore, the first flow deflectors are arranged in two opposite directions, and the two first flow deflectors are distributed in a splayed shape.
Furthermore, a fan cover is arranged at the outlet of the fan box.
Further, the fan box is located on the lower side of the air deflector.
Furthermore, the front side plate of the fan box is obliquely arranged.
Furthermore, conductive sealing rubber strips are arranged on the joint surfaces of the air deflector, the upper guide rail plate, the left side plate, the right side plate and the rear panel; a conductive sealing rubber strip is arranged on the joint surface of the fan box and the rear panel; and a conductive sealing rubber strip is arranged at the joint surface of the fan box and the air deflector.
By means of the technical scheme, a brand new heat dissipation air duct structure is designed in the case, the heat generated by the functional module in the case can be quickly discharged by adopting a case heat dissipation mode of cold conduction and air cooling, the air duct cavity and the area where the functional module in the case is located are physically isolated, the environmental resistance and the working reliability of the product are improved on the premise of meeting the overall shape and size constraints of the product, and meanwhile, a certain industrial design effect is achieved.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 to 2 are perspective structural views of a chassis with a novel heat dissipation structure according to the present invention.
Fig. 3 is an exploded view of a chassis with a novel heat dissipation structure according to the present invention.
Fig. 4 is a schematic diagram of a heat dissipation structure of a chassis with a novel heat dissipation structure after a top plate is hidden.
Fig. 5 is a schematic view of the installation position of each conductive sealing rubber strip in the present invention.
Fig. 6 is a schematic diagram illustrating the principle of the heat dissipation wind direction when the present invention works.
Detailed Description
The technical solution of the present invention is further described in detail below with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1 to 6, a case with a novel heat dissipation structure comprises a case body composed of a front panel 1, a rear panel 2, a left side plate 3, a right side plate 4, a top plate 5 and a bottom plate 6, wherein the case body is of a cuboid frame structure, an upper guide rail plate 7 and an air deflector 8 which are parallel to the top plate are arranged inside the case body, and the case body is integrally formed by electron beam welding to realize the installation and fixation of all devices. The upper guide rail plate 7 is connected to the front end of the air deflector 8 and forms an air duct partition plate, and the air duct partition plate is matched with the case main body to divide the inner cavity of the case main body into an air duct cavity 9 at the upper part and a functional module accommodating cavity 10 at the lower part. Wherein bottom plate 6 and upper guideway board 7 cooperation are in order to realize the installation of functional module 11, fixed and heat conduction heat dissipation, specifically speaking, have on bottom plate and/or the upper guideway board along the guide rail 12 that the cartridge direction extends, the guide rail is used for accomplishing plug direction and spacing with 11 direction sliding fit of functional module, and chassis main body's front end is equipped with the opening 13 that is used for holding intracavity cartridge functional module to functional module, and front panel 1 can articulate on bottom plate 6 to realize opening or closing of opening 13. The front panel 1 is mainly used for installing devices such as a power supply switch of equipment, an indicator light, a display and a keyboard, and meanwhile, the upper side of the front panel 1 is provided with an air inlet hole 101 communicated with the air duct cavity. The rear panel 2 is used for installing aerial plugs (power supply, signals and the like) and fuse boxes, grounding columns and the like which are externally connected with the chassis. The upper side of the upper rail plate 7 is provided with heat radiating fins 71 extending in the front-rear direction (insertion direction), and a plurality of heat radiating fins are arranged in parallel in the distribution direction of the functional modules, for quickly radiating heat conducted from the functional modules 11 to the upper rail plate 7. The two sides of the upper guide rail plate are connected with the left side plate and the right side plate to realize fixed assembly; the front end of the air deflector is pressed on the upper side of the rear end of the upper guide rail plate, and the left end, the right end and the rear end of the air deflector are respectively connected and fixed with the left side plate, the right side plate and the rear panel.
The fan box 14 is installed at the middle position of the rear panel 2, the whole fan box 14 is located at the lower side of the air deflector, the space on the upper side inside the case is not occupied, and the reduction of the whole height size of the case is facilitated. The fan 141 is arranged in the fan box 14, the inlet of the fan box 14 is communicated with the air channel cavity 9 through the opening 81 on the air deflector 8, and the outlet of the fan box 14 is communicated with the air outlet 21 arranged on the rear panel 2. When the air conditioner works, cold air enters the air channel cavity 9 in the case from the air inlet hole 101 in the upper part of the front panel, the cold air blows the radiating fins 71 on the outer side of the upper guide rail plate to take away heat of the functional module, the cold air absorbs the heat of the functional module and then becomes hot air, the hot air is gathered by the air guide plate 8 and then enters the fan box 14, and finally the hot air is discharged out of the case by the fan arranged in the middle position of the rear panel; the fan draws air to the outside of the cabinet as shown in fig. 4.
In this embodiment, the upper side of the air guiding plate 8 is provided with two flow deflectors for guiding hot air to enter the fan box 14, the flow deflectors include a first flow deflector 82 and a second flow deflector 83, wherein the front end of the first flow deflector 82 is connected with the heat dissipating fin, the rear end of the first flow deflector is connected with the opening 81 on the air guiding plate, and the two first flow deflectors are distributed in a splayed shape, but the number of the first flow deflectors is not limited by the invention; the second flow deflector is approximately in a V-shaped structure with an opening facing the front, and can gather hot air flowing out of the radiating fins and guide the hot air into the fan box. The two ends of the second flow deflector extend to the corresponding left side plate or right side plate, so that the first flow deflector is integrally contained in the second flow deflector and can contain hot air flowing from all the radiating fins. The top end of each flow deflector is attached to the lower surface of the top plate, so that hot air can be effectively prevented from overflowing and leaking between the air deflector and the top plate.
Preferably, the front side plate 142 of the fan case 14 is disposed obliquely, that is, the bottom end of the front side plate is inclined rearward, which is favorable for discharging the hot air entering the fan case. In addition, a fan cover 143 is arranged at the outlet of the fan box 14 to improve safety; if the requirement of rain protection is met, the fan can be replaced by a fan with a higher IP protection grade (such as IP 68).
Furthermore, in order to realize the isolation of the air duct cavity from the functional modules and devices inside the case, the invention designs a plurality of sealing structures: (1) Conductive sealing rubber strips are arranged on the binding surfaces of the air deflector, the upper guide rail plate, the left side plate, the right side plate and the rear panel; (2) A conductive sealing rubber strip is arranged on the joint surface of the fan box and the rear panel; (3) And a conductive sealing rubber strip is arranged on the joint surface of the fan box and the air guide plate. If the requirement of rain prevention is met, the double-peak conductive rubber strip is replaced. The conductive sealing rubber strips are embedded in the corresponding conductive rubber strip mounting grooves 15, and the positions of the conductive rubber strip mounting grooves 15 are shown in the figure. Through the structure, the functional devices in the case can be protected as much as possible.
With reference to fig. 6, the upper guide rail plate and the air deflector are matched to physically divide the air duct cavity and the module accommodating cavity, so that the environment resistance and the working reliability of the internal functional module are improved; under the air draft effect of the fan, cold air enters the air duct cavity from the front panel, takes away heat on the radiating fins, then enters the fan box after the heat is guided and gathered by the air guide plate, and finally is discharged from the air outlet on the rear panel, and the whole case adopts a cold guide and air cooling mode, so that the heat dissipation requirement of normal work of the functional module in the case is met; meanwhile, the whole case is harmonious in appearance, compact and reasonable in size and has a certain industrial design effect.
The foregoing is only a preferred embodiment of the present invention and is not detailed in the prior art; any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention will still fall within the scope of the technical solution of the present invention by those skilled in the art without departing from the technical solution of the present invention.
Claims (10)
1. The utility model provides a quick-witted case with novel heat radiation structure, includes the chassis main part who comprises front panel, rear panel, left side board, right side board, roof and bottom plate, its characterized in that:
the inside upper guideway plate and the aviation baffle that are parallel with the roof that are equipped with of chassis main part, the upper guideway plate is connected in the front end of aviation baffle and is constituteed the wind channel baffle, the wind channel baffle holds the chamber with the functional module that separates chassis main part's inner chamber for lieing in the wind channel chamber on upper portion and lieing in the lower part with chassis main part cooperation, the front panel upside is equipped with the fresh air inlet with wind channel chamber intercommunication, the upside of upper guideway plate is equipped with the radiating fin that the fore-and-aft direction extends, install the fan box on the rear panel, be equipped with the fan in the fan box, the trompil and the wind channel chamber intercommunication on the entry of fan box through the aviation baffle, the export of fan box and the air outlet intercommunication on the rear panel.
2. The chassis with the novel heat dissipation structure as claimed in claim 1, wherein: the bottom plate and/or the upper guide rail plate is provided with a guide rail extending along the insertion direction.
3. The chassis with the novel heat dissipation structure as claimed in claim 1, wherein: the plurality of radiating fins are arranged in parallel along the distribution direction of the functional modules.
4. The chassis with the novel heat dissipation structure as claimed in claim 1, wherein: the upper side of the air deflector is provided with a flow deflector for guiding hot air to enter the fan box.
5. The chassis with the novel heat dissipation structure of claim 4, wherein: the flow deflectors comprise a first flow deflector and a second flow deflector, wherein the front end of the first flow deflector is connected with the radiating fins, and the rear end of the first flow deflector is connected to the opening; the second flow deflector is of a V-shaped structure with an opening facing forwards, and the first flow deflector is positioned inside the second flow deflector.
6. The chassis with the novel heat dissipation structure of claim 5, wherein: the first flow deflectors are oppositely arranged, and the two first flow deflectors are distributed in a splayed shape.
7. The chassis with the novel heat dissipation structure as claimed in claim 1, wherein: the outlet of the fan box is provided with a fan cover.
8. The chassis with the novel heat dissipation structure as claimed in claim 1, wherein: the fan box is arranged on the lower side of the air deflector.
9. The chassis with the novel heat dissipation structure as claimed in claim 1, wherein: the front side plate of the fan box is obliquely arranged.
10. The chassis with the novel heat dissipation structure as claimed in claim 1, wherein: conductive sealing rubber strips are arranged on binding surfaces of the air deflector, the upper guide rail plate, the left side plate, the right side plate and the rear panel; a conductive sealing rubber strip is arranged on the joint surface of the fan box and the rear panel; and a conductive sealing rubber strip is arranged at the joint surface of the fan box and the air deflector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211340526.5A CN115551322A (en) | 2022-10-28 | 2022-10-28 | Case with novel heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211340526.5A CN115551322A (en) | 2022-10-28 | 2022-10-28 | Case with novel heat radiation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115551322A true CN115551322A (en) | 2022-12-30 |
Family
ID=84718306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211340526.5A Pending CN115551322A (en) | 2022-10-28 | 2022-10-28 | Case with novel heat radiation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115551322A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117098358A (en) * | 2023-07-12 | 2023-11-21 | 上海飞斯信息科技有限公司 | Heat abstractor and machine case |
| CN117320362A (en) * | 2023-11-29 | 2023-12-29 | 四川赛狄信息技术股份公司 | Heat dissipation case, determination method of heat dissipation part and signal processing equipment |
-
2022
- 2022-10-28 CN CN202211340526.5A patent/CN115551322A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117098358A (en) * | 2023-07-12 | 2023-11-21 | 上海飞斯信息科技有限公司 | Heat abstractor and machine case |
| CN117320362A (en) * | 2023-11-29 | 2023-12-29 | 四川赛狄信息技术股份公司 | Heat dissipation case, determination method of heat dissipation part and signal processing equipment |
| CN117320362B (en) * | 2023-11-29 | 2024-02-13 | 四川赛狄信息技术股份公司 | Heat dissipation case, determination method of heat dissipation part and signal processing equipment |
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