CN219042326U

CN219042326U - Cabinet with novel heat radiation structure

Info

Publication number: CN219042326U
Application number: CN202222867977.6U
Authority: CN
Inventors: 杨健; 李慧利; 郝丙仁; 张熠; 王颂超; 张晨艳
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-05-16
Anticipated expiration: 2032-10-28

Abstract

The utility model relates to a case with a novel heat dissipation structure, which comprises a case body composed 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 are arranged in the case body, the upper guide rail plate is parallel to the top plate, 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 body to divide an inner cavity of the case 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 arranged at the upper side of the front panel, heat dissipation fins extending in the front-rear direction are arranged at 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 on the air deflector, and an outlet of the fan box is communicated with an air outlet on the rear panel. The utility model adopts a brand new heat dissipation air duct structure, adopts a heat dissipation mode of cold conduction and air cooling, and performs physical isolation on the air duct cavity and the functional module accommodating cavity, thereby improving the environmental resistance and the working reliability of the product.

Description

Cabinet with novel heat radiation structure

Technical Field

The utility model 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, in the use process of military equipment, harsh use environments such as sand dust, rain, strong electromagnetic compatibility and the like are usually faced, and for this purpose, the military equipment needs to be designed specifically. The conventional method is to make the chassis into a closed chassis, which can solve the problem of the severe environment. However, the closed chassis radiates heat only through the cooling and radiation modes of the chassis structural member shell, the heat radiation capacity of the whole machine is limited to a certain extent, and the power consumption of the whole machine of the equipment is limited.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model designs a novel heat dissipation structure based on the 19 inch 3U standard chassis, and the heat dissipation of functional modules in the chassis is considered on the premise of meeting the severe use environment.

The utility model aims at solving the technical problems by adopting the following technical scheme. The utility model provides a case with a novel heat radiation structure, which comprises a case body composed 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 are arranged in the case body, the upper guide rail plate is parallel to the top plate, 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 body to divide an inner cavity of the case body into an air duct cavity at the upper part and a functional module accommodating cavity at the lower part, the functional module accommodating cavity is used for accommodating a functional module, an air inlet communicated with an inlet of the air duct cavity is arranged at the upper side of the front panel, a heat radiation fin extending in the front-rear direction is arranged at the upper side of the upper guide rail plate, a fan box is arranged on the rear panel, the inlet of the fan box is communicated with an outlet of the air duct cavity through an opening on the air deflector, and the outlet of the fan box is communicated with an air outlet on the rear panel.

Further, the bottom plate and/or the upper rail plate are provided with rails extending in the insertion direction.

Further, the plurality of heat dissipation fins are arranged in parallel along the distribution direction of the functional modules.

Further, a deflector for guiding hot air into the fan box is arranged on the upper side of the deflector.

Further, the guide vane comprises a first guide vane and a second guide vane, wherein the front end of the first guide vane is connected with the radiating fin, and the rear end of the first guide vane is connected to the opening; the second guide vane is of a V-shaped structure with a front opening, and the first guide vane is positioned in the second guide vane.

Further, two first guide vanes are oppositely arranged, and the two first guide vanes are distributed in a splayed shape.

Further, a fan cover is arranged at the outlet of the fan box.

Further, the fan box is located at the lower side of the air deflector.

Further, the front side plate of the fan box is obliquely arranged.

Further, conductive sealing adhesive tapes are arranged at the joint surfaces of the air deflector and the upper guide rail plate, the left side plate, the right side plate and the rear panel; a conductive sealing adhesive tape is arranged at the joint surface of the fan box and the rear panel; and a conductive sealing adhesive tape 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 machine case, heat generated by the functional module in the machine case can be rapidly discharged by adopting a machine case heat dissipation mode of cold conduction and air cooling, and the air duct cavity is physically isolated from the area where the functional module in the machine case is located, so that the environment resistance and the working reliability of the product are improved on the premise that the overall dimension constraint of the product is met, and meanwhile, the machine case heat dissipation device has a certain industrial design effect.

The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model, as well as the preferred embodiments thereof, together with the following detailed description of the utility model given in conjunction with the accompanying drawings.

Drawings

Fig. 1 to 2 are perspective structural views of a chassis having a novel heat dissipation structure according to the present utility model.

Fig. 3 is an exploded view of a chassis with a novel heat dissipation structure according to the present utility model.

Fig. 4 is a schematic diagram of a heat dissipation structure of the present utility model with a hidden top plate of a chassis with a novel heat dissipation structure.

Fig. 5 is a schematic view of the installation position of each conductive sealing strip in the present utility model.

Fig. 6 is a schematic diagram of the principle of heat dissipation wind direction when the present utility model works.

Detailed Description

The technical scheme of the utility model is further described in detail below with reference to the attached drawings and the preferred embodiments.

As shown in fig. 1 to 6, a chassis with a novel heat dissipation structure includes a chassis main body composed of a front panel 1, a rear panel 2, a left side panel 3, a right side panel 4, a top plate 5 and a bottom plate 6, wherein the chassis main body is of a cuboid frame structure, an upper guide rail plate 7 and an air deflector 8 parallel to the top plate are arranged in the chassis main body, and the chassis main body is integrally formed by electron beam welding to realize the installation and fixation of various devices. The upper guide rail plate 7 is connected to the front end of the air deflector 8 and forms an air channel partition plate, and the air channel partition plate is matched with the case body to divide the inner cavity of the case body into an air channel cavity 9 positioned at the upper part and a functional module accommodating cavity 10 positioned at the lower part. The bottom plate 6 and the upper guide rail plate 7 are matched to realize installation, fixation, heat conduction and heat dissipation of the functional module 11, specifically, guide rails 12 extending along the insertion direction are arranged on the bottom plate and/or the upper guide rail plate, the guide rails are used for completing insertion and extraction guiding and limiting with the functional module 11 in a guiding sliding fit mode, an opening 13 for inserting the functional module into a functional module accommodating cavity is formed in the front end of the case body, and the front panel 1 can be hinged to the bottom plate 6, so that opening 13 is opened or closed. The front panel 1 is mainly used for installing devices such as a power supply switch, an indicator light, a display, a keyboard and the like, and meanwhile, an air inlet 101 communicated with the air duct cavity is arranged on the upper side of the front panel 1. The rear panel 2 is used for installing an aerial plug (power supply, signals and the like) with the chassis externally connected, a fuse box, a grounding column and the like. 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 juxtaposed in the distribution direction of the functional modules for rapidly 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 in the intermediate position department of rear panel 2, and fan box 14 wholly is located the downside of aviation baffle, does not occupy the inside upside space of quick-witted case, is favorable to reducing the whole height dimension of quick-witted case. The fan 141 is arranged in the fan box 14, the inlet of the fan box 14 is communicated with the air duct 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 fan box works, cold air enters the air channel cavity 9 in the machine box from the air inlet hole 101 at the upper part of the front panel, the cold air blows through the radiating fins 71 at the outer side of the upper guide rail plate and takes away the heat of the functional module, the cold air absorbs the heat of the functional module and turns into hot air, the hot air is converged by the air deflector 8 and enters the fan box 14, and finally the hot air is discharged out of the machine box from a fan arranged at the middle position of the rear panel; the fan wind direction is shown in fig. 4, and the air is drawn out of the case.

In this embodiment, the upper side of the air deflector 8 is provided with guide vanes for guiding hot air into the fan box 14, the guide vanes include a first guide vane 82 and a second guide vane 83, wherein the front end of the first guide vane 82 is connected with the radiating fin, the rear end is connected with the opening 81 on the air deflector, and the number of the first guide vanes is two, and the two first guide vanes are distributed in a splayed shape, but the utility model does not limit the number of the first guide vanes; the second guide vane is of 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 guide vane extend to the corresponding left side plate or right side plate, so that the first guide vane is integrally contained in the second guide vane and can contain all hot air flowing from the radiating fins. The top of each guide vane 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 guide plates and the top plate.

Preferably, the front side plate 142 of the fan case 14 is inclined, i.e. the bottom end of the front side plate is inclined backward, which is beneficial to discharging the hot air entering the fan case. In addition, a fan cover 143 is provided at the outlet of the fan case 14 to improve safety; if it is required to prevent rain, the fan can be replaced by a fan with a higher IP protection level (such as IP 68).

Furthermore, in order to realize the isolation between the air channel cavity and the functional modules and devices in the chassis, the utility model designs a plurality of sealing structures: (1) The joint surfaces of the air deflector and the upper guide rail plate, the left side plate, the right side plate and the rear panel are provided with conductive sealing adhesive tapes; (2) A conductive sealing adhesive tape is arranged at the joint surface of the fan box and the rear panel; (3) And a conductive sealing adhesive tape is arranged at the joint surface of the fan box and the air deflector. If the rain is prevented, the double-peak conductive adhesive tape 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. By the structure, the functional devices in the case can be protected as much as possible.

With reference to fig. 6, the utility model adopts the upper guide rail plate and the air deflector to match and physically divide the air channel cavity and the module accommodating cavity, thereby improving the environmental resistance and the working reliability of the internal functional module; under the action of the air draft of the fan, cold air enters the air duct cavity from the front panel, takes away heat on the radiating fins, flows through the air guide plate, gathers the heat and enters the fan box, and finally is discharged from the air outlet on the rear panel, and the whole chassis adopts a cold guide and air cooling mode, so that the heat dissipation requirement of normal operation of the functional module in the chassis is met; meanwhile, the whole appearance of the case is coordinated, the size is compact and reasonable, and a certain industrial design effect is achieved.

The foregoing is merely a preferred embodiment of the present utility model, and is not described in detail in the prior art; any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model, without departing from the technical scope of the present utility model, will still fall within the scope of the present utility model.

Claims

1. The utility model provides a quick-witted case with novel heat radiation structure, includes the quick-witted case main part that comprises front panel, rear panel, left side board, right side board, roof and bottom plate, its characterized in that:

the inside upper guide rail board and the aviation baffle that are equipped with the roof parallel of machine case main part, upper guide rail board connects in the front end of aviation baffle and constitutes the wind channel baffle, wind channel baffle and machine case main part cooperation are in order to separate the inner chamber of machine case main part into the wind channel chamber that is located upper portion and the functional module that is located the lower part hold the chamber, the front panel upside is equipped with the fresh air inlet with wind channel chamber intercommunication, the upside of upper guide rail board is equipped with the 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 aviation baffle are passed through to the entry of fan box, the export of fan box communicates with the air outlet on the rear panel.

2. The chassis with novel heat dissipation structure according to claim 1, wherein: the bottom plate and/or the upper guide rail plate are provided with guide rails extending along the inserting direction.

3. The chassis with novel heat dissipation structure according to claim 1, wherein: the plurality of radiating fins are arranged in parallel along the distribution direction of the functional modules.

4. The chassis with novel heat dissipation structure according to claim 1, wherein: the upper side of the air deflector is provided with a deflector for guiding hot air into the fan box.

5. The chassis with novel heat dissipation structure according to claim 4, wherein: the guide plates comprise a first guide plate and a second guide plate, wherein the front end of the first guide plate is connected with the radiating fins, and the rear end of the first guide plate is connected to the opening; the second guide vane is of a V-shaped structure with a front opening, and the first guide vane is positioned in the second guide vane.

6. The chassis with novel heat dissipation structure according to claim 5, wherein: two first guide vanes are oppositely arranged, and the two first guide vanes are distributed in a splayed shape.

7. The chassis with novel heat dissipation structure according to claim 1, wherein: the outlet of the fan box is provided with a fan cover.

8. The chassis with novel heat dissipation structure according to claim 1, wherein: the fan box is positioned at the lower side of the air deflector.

9. The chassis with novel heat dissipation structure according to claim 1, wherein: the front side plate of the fan box is obliquely arranged.

10. The chassis with novel heat dissipation structure according to claim 1, wherein: the joint surfaces of the air deflector and the upper guide rail plate, the left side plate, the right side plate and the rear panel are provided with conductive sealing adhesive tapes; a conductive sealing adhesive tape is arranged at the joint surface of the fan box and the rear panel; and a conductive sealing adhesive tape is arranged at the joint surface of the fan box and the air deflector.