CN115605004A

CN115605004A - Heat dissipation machine case and data transmission equipment

Info

Publication number: CN115605004A
Application number: CN202211405198.2A
Authority: CN
Inventors: 刘琦; 陈剑; 李罗军; 夏飞扬; 郭为
Original assignee: Hunan Bojiang Information Technology Co Ltd
Current assignee: Hunan Bojiang Information Technology Co Ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-01-13
Anticipated expiration: 2042-11-10
Also published as: CN115605004B

Abstract

When the heat dissipation case and the data transmission equipment are used, an axial flow fan is started, external air enters an inner pipeline through an air inlet under the action of the axial flow fan, a baffle is blown, a rotating shaft is driven to rotate, a fan blade is driven to rotate, air in an inner space is driven to flow after the fan blade rotates, so that hot air in the inner space is forced to enter a vent hole, finally flows into a channel between a first shell and the inner pipeline, then enters the inner pipeline through a guide hole, and is discharged to the outside from an air outlet along with air in the inner pipeline, so that the purpose of discharging the hot air in the inner space for heat dissipation is achieved, in the whole process, the external air outside the case does not directly enter the inner space, namely, the electronic components in the inner space are isolated from the outside, and therefore damages to the electronic components in the inner space caused by salt mist water vapor, sand dust and the like in the external air are avoided, and long-time stable work of the equipment is achieved.

Description

Heat dissipation machine case and data transmission equipment

Technical Field

The invention relates to the technical field of chassis heat dissipation, in particular to a heat dissipation chassis and data transmission equipment.

Background

The data transmission equipment comprises a case and electronic elements arranged in the case; the data transmission equipment is electronic equipment integrating computer technology, sensor technology, electronic technology, wireless transmission technology and computer software technology; when the equipment runs, the electronic element generates a large amount of heat, so the electronic element needs to be subjected to heat dissipation treatment, and a main heat dissipation mode in the prior art is to form a large amount of heat dissipation holes in a case.

For data transmission equipment (such as communication equipment, meteorological information monitoring equipment and the like) working outdoors, the working environment is relatively severe, so that the data transmission case needs to meet the requirements of severe environments such as damp and hot resistance, salt mist resistance, sand dust resistance, electromagnetic radiation and the like; if the chassis is provided with a large number of heat dissipation holes for heat dissipation, salt mist water vapor, sand dust and the like in the outside air can easily enter the interior of the chassis through the heat dissipation holes, and therefore electronic elements in the chassis are damaged. Therefore, most of the like products at present adopt a method of spraying conformal coating on internal electronic components and external structural parts to solve the problem. However, the three-proofing paint has the limitation of service life, so that the long-time stable work of the equipment in severe environment cannot be met, and the reliability is lower.

Therefore, the case is provided with a large number of heat dissipation holes to dissipate heat, which cannot meet the working requirements of the data transmission equipment. Therefore, a case capable of meeting the heat dissipation requirement under a severe working environment is urgently needed at present.

Disclosure of Invention

The invention mainly aims to provide a heat dissipation case and data transmission equipment, and aims to solve the problem that a case capable of meeting the heat dissipation requirement under a severe working environment is urgently needed at present.

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

a heat dissipation case comprises a case body and an air duct assembly; the box body is provided with an internal space which is sealed and isolated from the outside; the air duct assembly is accommodated in the inner space, and the inner space is used for arranging electronic elements; the air duct assembly comprises a first shell, a second shell, an inner pipeline, a rotating shaft and a baffle plate; the first housing and the second housing are snapped to each other to form an outer tubing; the outer pipeline penetrates through the box body; the inner pipeline penetrates through the outer pipeline along the length direction of the outer pipeline; the inner pipeline comprises an air inlet and an air outlet which are respectively positioned at two ends; the air inlet and the air outlet are both communicated with the outside; one end of the rotating shaft is rotatably arranged in the inner pipeline in a penetrating way; the first shell is provided with a vent hole; the other end of the rotating shaft extends into the inner space from the vent hole; one end of the rotating shaft, which extends into the inner space, is provided with a fan blade for sucking air from a channel between the outer pipeline and the inner pipeline; a plurality of baffles are arranged on one section of the rotating shaft, which is positioned in the inner pipeline; the inner pipeline is provided with an axial flow fan; the axial flow fan is used for sucking airflow to blow the baffle plate to rotate through the airflow so as to drive the rotating shaft to rotate; and a leading-in hole is formed at the position, close to the air inlet, of the inner pipeline.

Preferably, the air duct assembly further comprises a first U-shaped end plate and a second U-shaped end plate; a first sealing strip and a second sealing strip are respectively arranged on two sides of the inner pipeline in the width direction; the first outer shell, the inner pipe, the first sealing strip and the second sealing strip enclose to form a first channel; the first U-shaped end plate and the second U-shaped end plate are used for sealing two ends of the first channel.

Preferably, a first port is formed at one end of the outer pipeline close to the air inlet, and a second port is formed at one end of the outer pipeline close to the air outlet; the first port contains the air inlet; the first U-shaped end plate is used for closing a gap between the inner pipeline and the first outer shell at the first port; the second port accommodates the air outlet; the second U-shaped end plate is used for closing a gap between the inner pipeline and the first outer shell at the second port.

Preferably, the inner conduit comprises a first tube wall and a second tube wall opposite to each other; the first pipe wall is provided with a first through hole, and the second pipe wall is provided with a second through hole; the second shell is provided with a third through hole; the second outer shell, the inner pipe, the first sealing strip and the second sealing strip enclose to form a second channel; two ends of the second channel are respectively communicated with the outside; the rotating shaft is sequentially and rotatably arranged in the first through hole, the second through hole and the third through hole in a penetrating manner; a fourth through hole is formed in one end, far away from the fan blades, of the rotating shaft; the fourth through hole is communicated with the inner space; a section of the rotating shaft in the second channel is provided with a plurality of fifth through holes; the fifth through hole is communicated with the fourth through hole.

Preferably, the air duct assembly further comprises a first filter grid plate and a second filter grid plate; the first filtering grating plate is used for filtering airflow at one end of the second channel, which is close to the air inlet; and the second filtering grid plate is used for filtering airflow at one end of the second channel close to the air outlet.

Preferably, along the length direction of the air duct assembly, the air duct assembly is divided into a first section, a second section and a third section which are connected in sequence, the first port and the air inlet are arranged at one end of the first section, which is far away from the second section, and the second port and the air outlet are arranged at one end of the third section, which is far away from the second section; the first section and the third section are parallel and level in height, and the second section bends and protrudes towards the height descending direction, so that a containing space for containing the fan blades is formed on one concave side of the second section; the air inlet is oppositely provided with a first guide plate and a second guide plate so as to form a guide opening for guiding the air to the inner pipeline; the air outlet is provided with third guide plate and fourth guide plate relatively to form the mouth that outflows that is used for the air outlet water conservancy diversion.

Preferably, the inner conduit further comprises first and second sidewalls parallel and opposite to each other, and third and fourth tube walls opposite to each other; the third tube wall is closer to the first housing than the fourth tube wall; the third tube wall, the fourth tube wall, the first sidewall, and the second sidewall enclose an inner conduit forming the first section; the first guide plate is arranged on the third pipe wall, extends towards the fourth pipe wall and inclines towards the direction far away from the air inlet; the second guide plate is arranged on the fourth pipe wall, extends towards the third pipe wall and inclines towards the direction far away from the air inlet.

Preferably, the inner conduit further comprises a fifth tube wall and a sixth tube wall opposite to each other; the fifth tube wall is closer to the first outer shell than the sixth tube wall; the fifth tube wall, the sixth tube wall, the first sidewall, and the second sidewall enclose an inner conduit that forms a third segment; the third guide plate is arranged on the fifth pipe wall, extends towards the sixth pipe wall and inclines towards the direction close to the air outlet; the fourth guide plate is arranged on the sixth pipe wall, extends towards the fifth pipe wall and inclines towards the direction close to the air outlet.

Preferably, the air duct assembly further comprises a guide member; the guide component comprises a first guide plate, a second guide plate, a first rotating rod and a second rotating rod; the first rotating rod and the second rotating rod are both rotatably arranged on the inner pipeline; the first rotating rod and the second rotating rod are parallel to the rotating shaft; the first rotating rod is positioned on one side of the rotating shaft close to the air inlet; the second rotating rod is positioned on one side of the rotating shaft close to the air outlet; the first rotating rod is positioned between the rotating shaft and the axial flow fan; the first guide plate is connected to the first rotating rod; the second guide plate is connected to the second rotating rod; the first guide plate is used for abutting against the first side wall or the second side wall; the second guide plate is used for being abutted to the first side wall or the second side wall.

The invention also provides data transmission equipment, which comprises the heat dissipation case and electronic elements accommodated in the heat dissipation case.

Compared with the prior art, the invention at least has the following beneficial effects:

according to the heat dissipation case provided by the invention, the air duct assembly is designed, when the heat dissipation case is used, the axial flow fan is started, external air enters the inner pipeline through the air inlet under the action of the axial flow fan, the baffle is blown, the rotating shaft is driven to rotate, the fan blades are driven to rotate, air in the inner space is driven to flow after the fan blades rotate, hot air in the inner space is forced to enter the ventilation hole, finally flows into the channel between the first shell and the inner pipeline, then enters the inner pipeline through the introduction hole, and then is exhausted to the outside from the air outlet along with air in the inner pipeline, so that the purpose of discharging the hot air in the inner space for heat dissipation is realized, in the whole process, the external air outside the case does not directly enter the inner space, namely, the electronic elements in the inner space are isolated from the outside, salt mist water vapor, sand dust and the like in the external air are prevented from damaging the electronic elements in the inner space, and long-time stable operation of equipment is realized.

Drawings

In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a heat dissipation chassis according to the present invention;

fig. 2 is a schematic structural diagram of an air duct assembly according to an embodiment of a heat dissipation case of the present invention;

fig. 3 is an exploded schematic view of an air duct assembly according to an embodiment of a heat dissipation case of the present invention;

fig. 4 is a schematic cross-sectional structural diagram of an air duct assembly of an embodiment of a heat dissipation chassis according to the present invention;

fig. 5 is a schematic partial cross-sectional view of an air duct assembly of an embodiment of a heat dissipation chassis according to the present invention;

fig. 6 is an enlarged detail view of a in fig. 4.

Description of the reference numerals:

110. a box body; 120. a first housing; 130. a second housing; 140. a rotating shaft; 150. a fan blade; 160. a vent hole; 170. a first port; 180. a second port; 190. a first U-shaped end plate; 210. a second U-shaped end plate; 220. a first filtration grid plate; 230. a second filter grid plate; 240. an inner conduit; 250. an air inlet; 260. an air outlet; 270. an introduction hole; 280. a first baffle; 290. a second baffle; 310. a third baffle; 320. a fourth baffle; 330. a first tube wall; 340. a second tube wall; 350. a first through hole; 360. a third tube wall; 370. a fourth tube wall; 380. a fifth tube wall; 390. a sixth tube wall; 410. a first side wall; 420. a first seal strip; 430. a second side wall; 440. a second seal strip; 450. a baffle plate; 460. a fifth through hole; 470. a fourth via hole; 480. a second through hole; 490. a third through hole; 510. an axial flow fan; 520. a first channel; 530. a second channel; 540. a first rotating lever; 550. a second rotating rod; 560. a first guide plate; 570. a second guide plate; 580. a first sheave; 590. a second sheave; 610. a third sheave; 620. a fourth sheave; 630. a first cable; 640. a second cable; 650. a third cable; 660. a fourth cable; 670. a first slider; 680. a first slide rail; 690. a first electromagnet; 710. a second slider; 720. a second slide rail; 730. a second electromagnet; 740. a first notch; 750. a second notch.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions such as "first", "second", etc. in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of the technical solutions by those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a heat dissipation case and data transmission equipment.

Referring to fig. 1 to fig. 6, in an embodiment of a heat dissipation case according to the present invention, the heat dissipation case includes a case body 110 and an air duct assembly; the case 110 is formed with an inner space (not numbered) hermetically isolated from the outside; the air duct assembly is accommodated in the internal space, and the internal space is used for arranging electronic elements; the air duct assembly includes a first housing 120, a second housing 130, an inner pipe 240, a rotation shaft 140, and a baffle 450; the first housing 120 and the second housing 130 are fastened to each other to form an outer pipe (not numbered); the outer pipeline is arranged through the box body 110; the inner pipe 240 is inserted through the outer pipe along the length direction of the outer pipe; the inner pipe 240 includes an inlet 250 and an outlet 260 at both ends, respectively; the air inlet 250 and the air outlet 260 are both communicated with the outside; one end of the rotating shaft 140 is rotatably inserted into the inner pipe 240; the first housing 120 is opened with a vent 160; the other end of the rotation shaft 140 extends into the inner space from the ventilation hole 160; one end of the rotating shaft 140, which extends into the inner space, is provided with a fan blade 150 for sucking air from a channel between the outer pipe and the inner pipe; a section of the rotating shaft 140 located in the inner pipe 240 is provided with a plurality of baffles 450; the inner pipe is provided with an axial flow fan 510; the axial flow fan 510 is used for sucking air flow to blow the baffle 450 to rotate through the air flow so as to drive the rotating shaft 140 to rotate, and further drive the fan blades 150 to rotate; the axial flow fan 510 is arranged on one side of the rotating shaft 140 close to the air inlet 250; an inlet hole 270 is formed in the inner pipeline 240 near the air inlet 250.

When the heat dissipation case provided by the invention is used, the axial flow fan 510 is started, external air enters the inner pipeline 240 through the air inlet 250 under the action of the axial flow fan 510, and then blows the baffle 450, so that the rotating shaft 140 is driven to rotate, and the fan blade 150 is driven to rotate, so that air in the inner space is driven to flow after the fan blade 150 rotates, and hot air in the inner space is forced to enter the vent 160 and finally flows into a channel between the first shell 120 and the inner pipeline 240, and then enters the inner pipeline 240 through the guide hole 270, and then is exhausted to the outside from the air outlet 260 along with air in the inner pipeline 240, so that the purpose of discharging hot air in the inner space for heat dissipation is achieved, in the whole process, the external air outside the case does not directly enter the inner space, namely, the electronic components in the inner space are isolated from the outside, so that the electronic components in the inner space are prevented from being damaged by salt mist water vapor, sand dust and the like in the external air, and the long-time stable work of the data transmission equipment in a severe working environment is achieved.

In addition, as shown in fig. 2 and 3, the air duct assembly further includes a first U-shaped end plate 190 and a second U-shaped end plate 210; a first sealing strip 420 and a second sealing strip 440 are respectively arranged on two sides of the inner pipe 240 in the width direction; the first outer shell 120, the inner pipe 240, the first sealing strip 420 and the second sealing strip 440 enclose to form a first channel 520; the first U-shaped end plate 190 and the second U-shaped end plate 210 serve to close both ends of the first channel 520.

The introduction hole 270 may be embodied as an inclined hole.

Specifically, a first port 170 is formed at one end of the outer pipe close to the air inlet 250, a second port 180 is formed at one end of the outer pipe close to the air outlet 260, and the air inlet 250 and the air outlet 260 are both rectangular ports; the first port 170 and the second port 180 are both rectangular ports; the first port 170 houses an intake vent 250; a first U-shaped end plate 190 for closing a gap between the inner pipe 240 and the first housing 120 at the first port 170; the second port 180 encompasses the outlet port 260; the second U-shaped end plate 210 serves to close the gap between the inner pipe 240 and the first housing 120 at the second port 180.

That is, the hot air of the inner space is introduced into the first passage 520 through the vent hole 160, further introduced into the inner pipe 240 through the introduction hole 270, and then discharged following the air flow in the inner pipe 240.

Meanwhile, the inner conduit 240 includes a first conduit wall 330 and a second conduit wall 340 that are parallel and opposite to each other; the first pipe wall 330 is provided with a first through hole 350, and the second pipe wall 340 is provided with a second through hole 480; the second shell is provided with a third through hole 490; the second outer shell 130, the inner pipe 240, the first sealing strip 420 and the second sealing strip 440 enclose to form a second channel 530, and two ends of the second channel 530 are respectively communicated with the outside; the rotation shaft 140 is perpendicular to the first tube wall 330; the rotating shaft 140 is sequentially and rotatably arranged through the first through hole 350, the second through hole 480 and the third through hole 490; a fourth through hole 470 is formed at one end of the rotating shaft 140 away from the fan blades 150; the fourth through hole 470 communicates with the inner space; a section of the rotating shaft 140 in the second channel 530 is provided with a plurality of fifth through holes 460 (4 in this embodiment); the fifth through hole 460 is communicated with the fourth through hole 470.

Through the technical scheme, the structure and the function of air duct assembly have been perfected, hot-air in the inner space can be forced to enter first passageway 520 because of the rotation of flabellum 150, then discharge after entering inner tube 240, and the inner space is kept apart from the external world, so can make the atmospheric pressure of inner space reduce, in order to balance atmospheric pressure, outside air can enter second passageway 530 between second shell and the inner tube 240, and then enter the inner space through fifth through-hole 460 and fourth through-hole 470, the temperature of these air is less than the temperature of inner space exhaust air, thereby form heat transfer air circulation flow, promote the radiating effect.

In addition, a plurality of baffles 450 (4 in the present embodiment) are circumferentially and uniformly distributed about the central axis of the rotating shaft 140; the aperture of the ventilation hole 160 is not smaller than the outer diameter of the fan blade 150.

Specifically, the air duct assembly further includes a first filtering grid plate 220 and a second filtering grid plate 230; the first filter grid plate 220 is used for filtering the airflow at one end of the second channel 530 near the air inlet 250; the second filter grille plate 230 is used for filtering the airflow at the end of the second channel 530 near the outlet opening 260.

That is, the outside air enters the second channel 530 through the first filtering grid plate 220 and the second filtering grid plate 230, and then enters the inner space through the fifth through hole 460 and the fourth through hole 470, so as to realize heat exchange and temperature reduction; and the first filtering grid plate 220 and the second filtering grid plate 230 can purify and filter the external air, so that the air entering the internal air is clean, and the electronic components in the internal space are prevented from being damaged by salt mist water vapor, sand dust and the like in the external air.

Meanwhile, along the length direction of the air duct assembly, the air duct assembly is divided into a first section, a second section and a third section which are connected in sequence, the first port 170 and the air inlet 250 are arranged at one end of the first section, which is far away from the second section, the second port 180 and the air outlet 260 are arranged at one end of the third section, which is far away from the second section, the first section and the third section are parallel and level in height, and the second section is bent and protruded towards the descending direction of height, so that a containing space (not numbered) for containing fan blades is formed at one side of the recess of the second section; the air inlet 250 is oppositely provided with a first guide plate 280 and a second guide plate 290 to form a guide opening for guiding the air into the inner pipeline; the air outlet 260 is oppositely provided with a third flow guide plate 310 and a fourth flow guide plate 320 to form an outflow port for guiding air to the air outlet 260.

By arranging the first guide plate 280, the second guide plate 290, the third guide plate 310 and the fourth guide plate 320, the external air can more easily enter from the air inlet 250 and be discharged from the air outlet 260, that is, the air in the inner pipeline 240 flows from the air inlet 250 to the starting port, so that the rotation directions of the rotating shafts 140 are consistent, and the air in the inner space is ensured to always flow to the ventilation holes 160 under the rotation of the fan blades 150; in addition, through being provided with the structure of syllogic with the wind channel subassembly, and then form the accommodating space who is used for acceping flabellum 150, firstly can make flabellum 150 dodge other electronic component, secondly the depressed part in accommodating space assembles the air current easily, and then is convenient for flabellum 150 induced draft.

In addition, the inner pipe 240 further comprises a first sidewall 410 and a second sidewall 430 which are parallel and opposite to each other, and a first sealing strip 420 is connected to the first sidewall 410; the second sealing strip 440 is attached to the second sidewall 430.

Inner conduit 240 further comprises a third tube wall 360 and a fourth tube wall 370 that are parallel and opposite to each other; third tube wall 360 is closer to first housing 120 than fourth tube wall 370; third tube wall 360, fourth tube wall 370, first side wall 410, and second side wall 430 enclose inner conduit 240 of the first segment. The first tube wall 330, the second tube wall 340, the first sidewall 410, and the second sidewall 430 enclose the inner conduit 240 forming a second segment.

The first flow guide plate 280 is disposed on the third tube wall 360, and the first flow guide plate 280 extends toward the fourth tube wall 370 and inclines away from the air inlet 250; the second baffle 290 is disposed on the fourth tube wall 370, and the second baffle 290 extends toward the third tube wall 360 and inclines away from the air inlet 250.

The inner conduit 240 further includes a fifth conduit wall 380 and a sixth conduit wall 390 that are parallel and opposite to each other; the fifth tube wall 380 is closer to the first shell 120 than the sixth tube wall 390; the fifth tube wall 380, the sixth tube wall 390, the first sidewall 410, and the second sidewall 430 enclose the inner conduit 240 in a third section.

The third baffle 310 is disposed on the fifth pipe wall 380, and the third baffle 310 extends toward the sixth pipe wall 390 and inclines toward the direction close to the air outlet 260; the fourth baffle 320 is disposed on the sixth tube wall 390, and the fourth baffle 320 extends toward the fifth tube wall 380 and inclines toward the direction close to the air outlet 260.

Specifically, the axial fan 510 is disposed between the third tube wall 360 and the fourth tube wall 370; the axial flow fan 510 is electrically connected to a power supply in the inner space through a wire; the wires are sequentially sealingly disposed through the inner conduit 240 and the second housing 130.

Here, the wind direction of the axial flow fan 510 may be set to blow from the wind inlet 250 to the wind outlet 260; through setting up axial fan 510, when detecting the temperature in the quick-witted case and surpassing the threshold value (for example 50 degrees centigrade), can start axial fan 510 to accelerate the flow of air in interior pipeline 240, and then promote the rotational speed of pivot 140, and then promote the rotational speed of flabellum 150, with the speed that promotes inside air inflow ventilation hole 160, strengthen the ventilation cooling effect.

4-6, the duct assembly further includes a guide member; the guide member includes a first guide plate 560, a second guide plate 570, a first rotating rod 540, and a second rotating rod 550; the first rotating rod 540 and the second rotating rod 550 are both rotatably arranged on the inner pipeline 240; specifically, two ends of the first rotating rod 540 are respectively rotatably connected to the first pipe wall 330 and the second pipe wall 340; the two ends of the second rotating rod 550 are respectively connected to the first pipe wall 330 and the second pipe wall 340 in a rotating manner; the first rotating rod 540 and the second rotating rod 550 are both parallel to the rotating shaft 140; the first rotating rod 540 is positioned at one side of the rotating shaft 140 close to the air inlet 250; the second rotating rod 550 is located at a side of the rotating shaft 140 close to the air outlet 260.

The first rotating rod 540 and the second rotating rod 550 are respectively positioned at two sides of the rotating shaft 140, and the first rotating rod 540 and the second rotating rod 550 are symmetrical about the rotating shaft 140; the central axis of the first rotating rod 540, the central axis of the rotating shaft 140, and the central axis of the second rotating rod 550 are located on the same plane, and the plane is parallel to the first sidewall.

The first rotating rod 540 is positioned between the rotating shaft 140 and the axial flow fan 510; the first guide plate 560 is connected to the first rotating rod 540, and the first guide plate 560 is perpendicular to the first pipe wall 330; the second guide plate 570 is connected to the second rotating rod 550, and the second guide plate 570 is perpendicular to the first pipe wall 330; the first guide plate 560 is used for abutting against the first side wall 410 or the second side wall 430; the second guide plate 570 is adapted to abut the first sidewall 410 or the second sidewall 430.

Since the baffles 450 are all disposed in the inner pipe 240, if the air uniformly impacts the baffles 450 when flowing in the inner pipe 240, the air may be forced on the baffles 450 on both sides of the rotating shaft 140, which may offset the driving force of the air on the baffles 450, and even may cause the rotating shaft 140 to stop rotating.

By providing the guiding member, as shown in fig. 5, the first guide plate 560 abuts against the second side wall 430, and the second guide plate 570 abuts against the second side wall 430 (as shown in fig. 5), when the air flows in the internal duct, the air is guided by the first guide plate 560 to completely flow to the side close to the first side wall 410, and then acts on the baffle 450 close to the first side wall 410, so as to more accurately and powerfully drive the rotation of the rotating shaft 140, and avoid the phenomenon that the air simultaneously acts on the baffle 450 at both sides of the rotating shaft 140.

Further, the guide member further includes a wind speed sensor (not shown), a first slider 670, a first cable 630, a second cable 640, a third cable 650, a fourth cable 660, a second slider 710, a first sheave 580, a second sheave 590, a third sheave 610, a fourth sheave 620, a first driving element, a second driving element, and a controller (not shown); the wind speed sensor is arranged at the air outlet 260; the controller is arranged in the inner space; the wind speed sensor is electrically connected with the controller; the controller is used for controlling the start and stop of the first driving element and the second driving element.

The first sliding block 670 is slidably disposed on the inner wall of the first sidewall 410; the second sliding block 710 is slidably disposed on the inner wall of the second sidewall 430; the specific scheme is as follows: the first side wall 410 is provided with a first slide rail 680, the first slide block 670 is slidably connected to the first slide rail 680, the second side wall 430 is provided with a second slide rail 720, and the second slide block 710 is slidably connected to the second slide rail 720; the sliding direction of the first slider 670 is parallel to the sliding direction of the second slider 710; the sliding direction of the first slider 670 is perpendicular to the central axis of the rotation shaft 140.

The first sheave 580 and the second sheave 590 are both rotatably connected to the inner wall of the first sidewall 410; the first sheave 580 and the second sheave 590 are respectively located at both sides of the rotating shaft 140, and the first sheave 580 is located at one side of the rotating shaft 140 close to the axial flow fan 510; the rotation axes of the first sheave 580 and the second sheave 590 are both parallel to the rotation axis of the rotation shaft 140; the first sliding block 670 is located on one side of the rotating shaft 140 away from the axial flow fan 510; one end of the first pulling cable 630 is connected to the side of the first guide plate 560 away from the first rotating rod 540; the other end of the first cable 630 is wound around the first sheave 580 and connected to the first slider 670; one end of the second cable 640 is connected to a side of the second guide plate 570 far away from the second rotating rod 550; the other end of the second cable 640 is wound around the second sheave 590 and connected to the first slider 670.

The third sheave 610 and the fourth sheave 620 are both rotatably connected to the inner wall of the second sidewall 430; the third sheave 610 and the fourth sheave 620 are respectively located at both sides of the rotating shaft 140, and the third sheave 610 is located at one side of the rotating shaft 140 close to the axial flow fan 510; the rotation axes of the third sheave 610 and the fourth sheave 620 are parallel to the rotation axis of the rotation shaft 140; the second slider 710 is located on the side of the rotating shaft 140 away from the axial flow fan 510; one end of the third pulling cable 650 is connected to the side of the first guide plate 560 away from the first rotating rod 540; the other end of the third pulling rope 650 is wound on the third sheave 610 and connected to the second slider 710; one end of the fourth pulling rope 660 is connected to the side of the second guide plate 570 far away from the second rotating rod 550; the other end of the fourth cable 660 is wound around the fourth sheave 620 and connected to the second slider 710.

The first driving element is used for driving the first sliding block 670 to slide, so that the first guide plate 560 and the second guide plate 570 abut against the inner wall of the first side wall 410; the second driving element is used for driving the second slider 710 to slide, so that the first guide plate 560 and the second guide plate 570 abut against the inner wall of the second side wall 430.

The second guide plate 570 is further provided with a first notch 740 and a second notch 750, the first notch 740 is used for allowing the first pulling cable 630 and the third pulling cable 650 to pass through, and the second notch 750 is used for allowing the second pulling cable 640 and the fourth pulling cable 660 to pass through, so that when the second guide plate 570 abuts against the first side wall 410, the first pulling cable 630 and the second pulling cable 640 are not hindered from moving; it is also possible to make the third cable 650 and the fourth cable 660 not hindered from moving when the second guide plate 570 abuts on the second sidewall 430.

Specifically, the first cable 630 and the third cable 650 are respectively connected to two side walls of the first guide plate 560, and the second cable 640 and the fourth cable 660 are respectively connected to two side walls of the second guide plate 570; the first driving element is a first electromagnet 690, and the second driving element is a second electromagnet 730; the controller is used for driving the first electromagnet 690 and the second electromagnet 730 to start and stop; the first electromagnet 690 is disposed on the first sidewall; the second electromagnet 730 is disposed on the second sidewall 430.

The first electromagnet 690 is used for attracting the first sliding block 670, and when the first electromagnet 690 attracts the first sliding block 670, the first guide plate 560 abuts against the inner wall of the first sidewall 410, and the second guide plate 570 abuts against the inner wall of the first sidewall 410; the second electromagnet 730 is used for attracting the second slider 710, and when the second electromagnet 730 attracts the second slider 710, the first guide plate 560 abuts against the inner wall of the second sidewall 430, and the second guide plate 570 abuts against the inner wall of the second sidewall 430.

Through the technical scheme, the guide component can be adjusted according to different external wind directions, so that the rotating direction of the rotating shaft 140 is ensured to be constant all the time; specifically, if the external current wind direction is blown from the wind inlet 250 to the wind outlet 260, the first electromagnet 690 is stopped by the controller, and then the second electromagnet 730 is started, so that the second electromagnet 730 attracts the second slider 710, and then the third cable 650 and the fourth cable 660 are driven to move, and further the first guide plate 560 and the second guide plate 570 are driven to rotate, and finally the first guide plate 560 and the second guide plate 570 are both abutted to the second side wall 430 (as shown in fig. 5), and at this time, the wind direction in the duct is from left to right, so that the counter-clock rotation of the rotating shaft 140 is ensured, and the rotating direction of the fan blade 150 is also the counter-clock, so that the driving of the internal air into the first channel 520 is ensured.

When the wind speed sensor senses that the wind speed decreases from left to right, it indicates that the external wind direction changes, and if the wind speed decreases to a preset value (for example, 50% of the maximum wind speed value), it indicates that the external wind direction changes to oppose the wind direction of the axial flow fan 510, i.e., the wind direction blows from the wind outlet 260 to the wind inlet 250, in this case, the flow of air in the inner pipeline 240 is obstructed, the rotating speed of the rotating shaft 140 is also reduced, and further, the rotating speed of the fan blades 150 is reduced, which is not beneficial to heat dissipation; therefore, the controller controls the axial flow fan 510 to rotate reversely, then stops the second electromagnet 730, and then starts the first electromagnet 690, so that the first electromagnet 690 attracts the first slider 670, and further drives the first cable 630 and the second cable 640 to move, and further drives the first guide plate 560 and the second guide plate 570 to rotate, and finally both the first guide plate 560 and the second guide plate 570 are abutted against the first side wall 410, and at this time, the wind direction in the duct is from right to left (i.e., the wind direction of the axial flow fan 510 is changed to be consistent with the external wind direction), in this case, the air in the inner duct 240 blows the baffle 450 close to the second side wall 430, and the rotating shaft 140 still rotates counterclockwise, so that the rotating direction of the fan blade 150 is also counterclockwise, and it is ensured that the internal air is driven to flow into the first channel 520; that is, the rotating direction of the rotating shaft 140 is always kept unchanged regardless of the external wind direction. In the same way, in this case, when the wind speed sensor senses that the wind speed decreases from right to left, it indicates that the external wind direction changes, and if the wind speed decreases to a preset value (for example, 50% of the maximum wind speed value), the axial flow fan 510 may be controlled again to rotate in the reverse direction, the first electromagnet 690 may be stopped, the second electromagnet 730 may be started, and the rotation of the first baffle 450 and the second baffle 450 may be realized again, which is not described herein again.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, which are directly or indirectly applied to the present invention, are included in the scope of the present invention.

Claims

1. A heat dissipation case is characterized by comprising a case body and an air duct assembly; the box body is provided with an internal space which is sealed and isolated from the outside; the air duct assembly is accommodated in the inner space, and the inner space is used for arranging electronic elements; the air duct assembly comprises a first shell, a second shell, an inner pipeline, a rotating shaft and a baffle plate; the first housing and the second housing are snapped to each other to form an outer tubing; the outer pipeline penetrates through the box body; the inner pipeline penetrates through the outer pipeline along the length direction of the outer pipeline; the inner pipeline comprises an air inlet and an air outlet which are respectively positioned at two ends; the air inlet and the air outlet are both communicated with the outside; one end of the rotating shaft is rotatably arranged in the inner pipeline in a penetrating way; the first shell is provided with a vent hole; the other end of the rotating shaft extends into the inner space from the vent hole; one end of the rotating shaft, which extends into the inner space, is provided with a fan blade for sucking air from a channel between the outer pipeline and the inner pipeline; a plurality of baffles are arranged on one section of the rotating shaft, which is positioned in the inner pipeline; the inner pipeline is provided with an axial flow fan; the axial flow fan is used for sucking air flow to blow the baffle plate to rotate through the air flow so as to drive the rotating shaft to rotate; and a leading-in hole is formed at the position, close to the air inlet, of the inner pipeline.

2. The heat dissipating chassis of claim 1, wherein the air duct assembly further comprises a first U-shaped end plate and a second U-shaped end plate; a first sealing strip and a second sealing strip are respectively arranged on two sides of the inner pipeline in the width direction; the first outer shell, the inner pipe, the first sealing strip and the second sealing strip enclose to form a first channel; the first U-shaped end plate and the second U-shaped end plate are used for sealing two ends of the first channel.

3. The heat dissipation case of claim 2, wherein a first port is formed at an end of the outer duct near the air inlet, and a second port is formed at an end of the outer duct near the air outlet; the first port contains the air inlet; the first U-shaped end plate is used for closing a gap between the inner pipeline and the first outer shell at the first port; the second port accommodates the air outlet; the second U-shaped end plate is used for closing a gap between the inner pipeline and the first outer shell at the second port.

4. The heat dissipation cabinet of claim 2, wherein the inner duct comprises a first duct wall and a second duct wall opposite to each other; the first pipe wall is provided with a first through hole, and the second pipe wall is provided with a second through hole; the second shell is provided with a third through hole; the second outer shell, the inner pipe, the first sealing strip and the second sealing strip enclose to form a second channel; two ends of the second channel are respectively communicated with the outside; the rotating shaft sequentially and rotatably penetrates through the first through hole, the second through hole and the third through hole; a fourth through hole is formed in one end, far away from the fan blades, of the rotating shaft; the fourth through hole is communicated with the inner space; a section of the rotating shaft in the second channel is provided with a plurality of fifth through holes; the fifth through hole is communicated with the fourth through hole.

5. The heat dissipation chassis of claim 4, wherein the air duct assembly further comprises a first filter grid plate and a second filter grid plate; the first filtering grating plate is used for filtering airflow at one end of the second channel, which is close to the air inlet; and the second filtering grating plate is used for filtering airflow at one end of the second channel, which is close to the air outlet.

6. The heat dissipation case of claim 3, wherein along the length direction of the air duct assembly, the air duct assembly is divided into a first section, a second section and a third section which are connected in sequence, the first port and the air inlet are arranged at one end of the first section, which is far away from the second section, and the second port and the air outlet are arranged at one end of the third section, which is far away from the second section; the first section and the third section are parallel and level in height, and the second section bends and protrudes towards the height descending direction, so that a containing space for containing the fan blades is formed on one concave side of the second section; the air inlet is oppositely provided with a first guide plate and a second guide plate so as to form a guide opening for guiding the air to the inner pipeline; the air outlet is provided with third guide plate and fourth guide plate relatively to form the mouth that effluences that is used for to the air outlet water conservancy diversion.

7. The heat dissipation cabinet of claim 6, wherein the inner duct further comprises a first side wall and a second side wall parallel and opposite to each other, and a third wall and a fourth wall opposite to each other; the third tube wall is closer to the first housing than the fourth tube wall; the third tube wall, the fourth tube wall, the first sidewall, and the second sidewall enclose an inner conduit forming the first section; the first guide plate is arranged on the third pipe wall, extends towards the fourth pipe wall and inclines towards the direction far away from the air inlet; the second guide plate is arranged on the fourth pipe wall, extends towards the third pipe wall and inclines towards the direction far away from the air inlet.

8. The heat dissipation cabinet of claim 6, wherein the inner duct further comprises a fifth duct wall and a sixth duct wall opposite to each other; the fifth tube wall is closer to the first outer shell than the sixth tube wall; the fifth tube wall, the sixth tube wall, the first sidewall, and the second sidewall enclose an inner conduit that forms a third section; the third guide plate is arranged on the fifth pipe wall, extends towards the sixth pipe wall and inclines towards the direction close to the air outlet; the fourth guide plate is arranged on the sixth pipe wall, extends towards the fifth pipe wall and inclines towards the direction close to the air outlet.

9. The heat dissipating chassis of claim 4, wherein the air duct assembly further comprises a guide member; the guide component comprises a first guide plate, a second guide plate, a first rotating rod and a second rotating rod; the first rotating rod and the second rotating rod are both rotatably arranged on the inner pipeline; the first rotating rod and the second rotating rod are parallel to the rotating shaft; the first rotating rod is positioned on one side of the rotating shaft close to the air inlet; the second rotating rod is positioned on one side of the rotating shaft close to the air outlet; the first rotating rod is positioned between the rotating shaft and the axial flow fan; the first guide plate is connected to the first rotating rod; the second guide plate is connected to the second rotating rod; the first guide plate is used for abutting against the first side wall or the second side wall; the second guide plate is used for abutting against the first side wall or the second side wall.

10. A data transmission device comprising a heat-dissipating chassis according to any one of claims 1 to 9, and an electronic component housed in the heat-dissipating chassis.