CN217825760U

CN217825760U - Heat dissipation cabinet

Info

Publication number: CN217825760U
Application number: CN202220999466.7U
Authority: CN
Inventors: 龚胜伟; 葛向文; 姜雨琴
Original assignee: Sunshine Hydrogen Energy Technology Co Ltd
Current assignee: Sunshine Hydrogen Energy Technology Co Ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-11-15
Anticipated expiration: 2032-04-22

Abstract

The utility model discloses a heat dissipation cabinet. The air duct comprises an air duct cavity, a wiring cavity and a wind shielding structure; the air duct cavity comprises an air outlet which is arranged on the bottom plane of the heat dissipation cabinet; the heat dissipation cabinet is characterized in that a through-flow space is arranged between the bottom plane of the heat dissipation cabinet and the ground, the wind shielding structure is rotatably connected with the bottom plane and used for isolating the through-flow space in a natural state and rotates close to the bottom plane when stressed. The utility model provides a heat dissipation cabinet realizes the free fork dress of heat dissipation cabinet list cabinet or cabinet combining installation, has improved the installation effectiveness, but the function of keeping out the wind of automatic recovery after fork dress finishes simultaneously, avoids radiating hot-blast cable that toasts.

Description

Heat dissipation cabinet

Technical Field

The embodiment of the utility model provides a relate to electric power heat dissipation technical field, especially relate to a heat dissipation cabinet.

Background

With the development of new energy technology, the application of photovoltaic energy is increasing day by day, and therefore more outdoor power equipment needs to be built, more heat can be generated by power devices in the power equipment, the existing high-power outdoor products usually dissipate heat in an air cooling mode, hot air blown out of the cabinet is conveyed to the bottom of the cabinet, and the problem of baking cables arranged at the bottom can be often caused, so that the current-carrying density of the cables is reduced, the ageing of an insulating layer is accelerated, and the service life of the cables is shortened. If the heat insulation part is additionally arranged at the air outlet to isolate the cable, the added isolation part can influence the forking position of the fork teeth when the forklift transports the cabinet at the bottom of the cabinet, so that the installation efficiency of a single cabinet or multi-machine integration cabinet combination is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a heat dissipation cabinet realizes the free fork dress of heat dissipation cabinet list cabinet or cabinet combining installation, has improved the installation effectiveness, but the function of keeping out the wind of automatic recovery after fork dress finishes simultaneously, avoids radiating hot-blast cable that toasts.

The embodiment of the utility model provides a heat dissipation cabinet, which comprises an air duct cavity, a wiring cavity and a wind shielding structure;

the air duct cavity comprises an air outlet which is arranged on a bottom plane far away from the heat dissipation cabinet; the heat dissipation cabinet is characterized in that a through-flow space is arranged between the bottom plane of the heat dissipation cabinet and the ground, the wind shielding structure is rotationally connected with the bottom plane and used for isolating the through-flow space in a natural state and is close to the bottom plane to rotate when stressed.

Optionally, the power device is disposed in the air duct cavity.

Optionally, the wiring cavity comprises a fitting port; the wind shielding structure cuts off the through-flow space to form a first space and a second space in a natural state; the air outlet is arranged on the bottom plane corresponding to the first space, and the accessory through opening is arranged on the bottom plane corresponding to the second space.

Optionally, the heat dissipation cabinet further comprises a connecting structure, the wind shielding structure is connected with the bottom plane through the connecting structure, and the wind shielding structure is used for isolating the through-flow space in a natural state and rotates by taking the connecting structure as a shaft when stressed.

Optionally, the connecting structure includes a first connecting portion, a second connecting portion, and a rotating shaft rod; the rotating shaft rod is used for connecting the first connecting part and the second connecting part, the first connecting part is arranged on the bottom plane, and the second connecting part is arranged on the wind shielding structure; the first connecting part and the second connecting part rotate by taking the rotating shaft rod as an axis when stressed.

Optionally, the connecting structure further comprises a torsion spring; one torsion pin of the torsion spring is in contact with the surface of the first connecting part, and the other torsion pin of the torsion spring is in contact with the surface of the second connecting part.

Optionally, the heat dissipation cabinet further includes a magnetic module; the material of the wind shielding structure is a magnetic material, the magnetic module is arranged on one side of at least one end of the wind shielding structure, and the magnetic module is used for providing magnetic attraction; and at least one end of the wind shielding structure is an end part of the wind shielding structure in the extending direction of the rotating shaft when the wind shielding structure is close to the bottom plane to rotate.

Optionally, the wind shielding structure includes a magnetic attraction reinforcing part and a baffle part; the magnetic attraction reinforcing part is arranged on one side of the baffle part close to the magnetic module and is vertically connected with the baffle part; wherein, the material of reinforcing part is inhaled to magnetism is inhaled the material.

Optionally, in the natural state, the magnetic attraction enhancing portion is located a vertical projection of the magnetic module at least partially covers the magnetic module, the magnetic attraction enhancing portion is used for increasing a magnetic attraction area, and the baffle portion is used for partitioning the through-flow space in the natural state.

Optionally, the bottom plane is provided with a groove, and when the magnetic attraction reinforcing part rotates with the connecting structure as an axis, the groove is used for accommodating the magnetic attraction reinforcing part.

Optionally, the heat dissipation cabinet further includes a side wind shielding structure; the side wind shielding structure is fixedly connected with the bottom plane, the side wind shielding structures are arranged on side extending surfaces at two ends of the wind shielding structure, and the side wind shielding structure, the wind shielding structure and the bottom plane are encircled to form a flow guide channel; the flow guide channel is used for guiding the hot gas at the air outlet.

Optionally, the heat dissipation cabinet further comprises a heat dissipation fan;

the heat dissipation fan is arranged in the air duct cavity; the heat dissipation fan is used for providing air flow power.

Optionally, the heat dissipation cabinet further includes an air inlet protection component, the air duct cavity further includes an air inlet, the air inlet is disposed on the surface opposite to the bottom plane, and the air inlet protection component covers the air inlet; the air inlet protection component is used for protecting the air inlet.

The embodiment of the utility model provides a through set up the structure of keeping out the wind in the bottom plane, and structure and bottom plane formation of keeping out the wind rotate and connect, when the structure of keeping out the wind receives external force, the structure of keeping out the wind can two-wayly be close to the rotation of bottom plane, thereby can make the circulation space link up, thereby do not influence the direction of insertion of fork truck's prong when the installation of heat dissipation cabinet, it indicates fork dress to need not special setting up the sign on the heat dissipation cabinet, reduce user's study cost, and when the installation is placed side by side to the multimachine cabinet, because fork dress direction is nimble not restricted, heat dissipation cabinet overall arrangement installation efficiency has also been improved, the prong takes out after the heat dissipation cabinet is transported or the installation, the structure of keeping out the wind resumes natural state again under self action of gravity, the water conservancy diversion effect of keeping out the wind is exerted, avoid the cable of hot-blast baking cabinet bottom.

Drawings

Fig. 1 is a schematic structural view of a view angle of a heat dissipation cabinet according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of another view angle of another heat dissipation cabinet according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of another view angle of another heat dissipation cabinet according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of another view angle of another heat dissipation cabinet according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a connection structure according to an embodiment of the present invention.

Fig. 6 is a schematic partial structure view of another heat dissipation cabinet according to an embodiment of the present invention.

Fig. 7 is a schematic partial structural view of another heat dissipation cabinet according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the existing high-power outdoor product, the ventilation modes of upper air inlet and lower air outlet are usually adopted for heat dissipation of a main power device, namely cold air is sucked from the top of a cabinet, and hot air is blown out from the bottom of the cabinet. This just leads to the hot-blast gap that blows off in the rack bottom to flow in the cable trench of rack below through near the cable to toast the cable, make cable current-carrying density reduce, insulating layer ageing with higher speed reduces cable life, has the use hidden danger, if set up the isolation structure that keeps out the wind in the bottom, when fork truck fork dress rack, the isolation structure that keeps out the wind will influence the prong and insert the direction, thereby causes the rack to transport inconveniently, influences the installation and transports efficiency.

In view of this, fig. 1 is a schematic structural view of a perspective of a heat dissipation cabinet according to an embodiment of the present invention, fig. 2 is a schematic structural view of another perspective of another heat dissipation cabinet according to an embodiment of the present invention, fig. 3 is a schematic structural view of another perspective of another heat dissipation cabinet according to an embodiment of the present invention, and fig. 4 is a schematic structural view of another perspective of another heat dissipation cabinet according to an embodiment of the present invention, which is shown in fig. 1-4 and includes an air duct cavity 1, a wiring cavity 6 and a wind shielding structure 3;

the air duct cavity 1 comprises an air outlet 5 which is arranged on the bottom plane of the heat dissipation cabinet; a through-flow space is arranged between the bottom plane of the radiating cabinet and the ground, the wind shielding structure 3 is rotatably connected with the bottom plane, and the wind shielding structure 3 is used for isolating the through-flow space in a natural state and rotates close to the bottom plane when stressed.

Specifically, the air duct cavity 1 is a channel through which the heat dissipation gas flows, the air duct cavity 1 is enclosed by an air duct partition plate to form a closed cavity, and for example, the air duct cavity 1 may be a barrel-shaped cavity, or a cuboid-shaped cavity is enclosed by a cabinet body of the heat dissipation cabinet and the air duct partition plate. Air duct cavity 1 runs through the heat dissipation cabinet, and the plane that is close to ground when the heat dissipation cabinet is normally placed is the bottom plane, and the relative surface in bottom plane is the upper portion plane, and is exemplary, and air intake 4 of air duct cavity 1 sets up on the plane of upper portion, and air outlet 5 sets up on the plane of bottom, and the cold gas passes through air intake 4 and gets into air duct cavity 1, dispels the heat to the power device of placing in the air duct cavity 1, blows off hot-blast by air outlet 5.

The wiring cavity 6 is a space for placing a matching connection device or a connection cable when the power device is connected with an external cable. The wiring cavity 6 may be formed by separating a certain space in the remaining space of the heat dissipation cabinet by a partition plate, or the remaining space of the heat dissipation cabinet is used as the wiring cavity 6 after the air duct cavity 1 is determined. Illustratively, the wiring cavity 6 includes an accessory port 7, the accessory port 7 communicates with the outside, and the heat sink cable can be connected with an external cable through the accessory port 7.

Supporting legs 8 can be arranged on the bottom plane, the supporting legs 8 can support the cabinet body to enable a certain height distance to exist between the heat dissipation cabinet and the ground, and a through-flow space is formed between the bottom plane and the ground, so that the hot air outlet 5 is favorable for blowing out hot air. The wind shielding structure 3 is rotatably connected with the bottom plane, and the length of the wind shielding structure 3 spans the bottom plane of the heat dissipation cabinet. Illustratively, the wind shielding structure 3 and the bottom plane may be connected by a hinge structure, and the wind shielding structure 3 and the bottom plane are rotatably connected by the hinge structure. Exemplarily, structure 3 keeps out the wind can adopt the baffle, and structure 3 keeps out the wind perpendicular to bottom plane under natural state, and structure 3 keeps out the wind can keep apart the through-flow space into first space and second space, is air outlet 5 on the bottom plane in the first space, can place the cable in the second space, and natural state means when the cooling cabinet is normally placed, and structure 3 keeps out the wind because the nature of gravity influence droops under the state. Therefore, in a natural state, the wind shielding structure 3 can guide the hot wind blown out from the air outlet. When the wind shielding structure 3 is subjected to an external force, the wind shielding structure 3 rotates close to the bottom plane, so that the circulation space can be communicated. Exemplarily, the cabinet needs to be transported, when the cabinet is forked from the front of the cabinet, wherein the left side in fig. 1 is exemplarily taken as the front of the cabinet, and the fork teeth of the forklift push down, as shown in fig. 3, the wind shielding structure 3 is overturned towards one side of the bottom plane, so that the propelling of the fork teeth is not influenced, and the fork teeth can be smoothly forked and transported until the fork teeth penetrate through the bottom of the cabinet. After the transfer is finished, the fork teeth are pulled out, and the wind shielding structure 3 is restored to be in a vertical state under the action of self gravity, so that the functions of diversion and wind shielding are achieved. When the fork is arranged from the rear of the machine cabinet, as shown in fig. 4, the wind shielding structure 3 is overturned towards the other side of the bottom plane, so that the propelling of the fork teeth is not influenced, and the fork teeth can be smoothly forked and transported until penetrating through the bottom of the machine cabinet. After the transfer is finished, the fork teeth are pulled out, and the wind shielding structure 3 is restored to be in a vertical state under the action of self gravity, so that the functions of diversion and wind shielding are achieved.

Optionally, the power device is disposed in the air duct cavity 1.

Specifically, the power device includes devices which generate much heat, such as an insulated gate bipolar transistor, a reactor, a capacitor, and an inverter. With reference to fig. 1, for example, a first support frame 14 and a second support frame 15 are disposed in the air duct cavity, a first power device with a higher power density, such as an igbt, may be disposed on the first support frame 14, the first support frame 14 generates more heat, and the first support frame 14 is disposed near the air inlet 4, so that heat can be better dissipated by utilizing faster air flow, wherein the first support frame 14 may be disposed on an inner wall of the air duct cavity 1 or disposed parallel to the direction of air flow, so as to reduce wind resistance and accelerate air circulation. The first support frame 14 may be provided with a second power device with a large volume or weight, such as a reactor, a capacitor, an inverter, and the like, and the second support frame 15 is provided near the air outlet 5, and may support the second power device by using a bottom plane structure of the cabinet.

Optionally, the wiring cavity 1 comprises a fitting port 7; the wind shielding structure 3 cuts off the through-flow space to form a first space and a second space in a natural state; the air outlet 5 is arranged on the bottom plane corresponding to the first space, and the accessory through opening 7 is arranged on the bottom plane corresponding to the second space.

In particular, the fitting through opening 7 of the connection chamber 6 is arranged in the bottom plane. Accessory opening 7 and air outlet 5 can set up side by side, and the bottom plane sets up accessory opening 7, can insert the cable harness through cabinet body bottom, avoids the complicated influence cabinet combination installation of heat dissipation cabinet both sides cable. Wherein, the wind structure keeps apart accessory through-hole 7 and air outlet 5 between accessory through-hole 7 and air outlet 5, and wherein, the line of accessory through-hole 7 and 5 position centers of air outlet intersects with wind structure 3, and wind structure 3's length spans the bottom plane of radiator tank. It should be noted that the natural state refers to a natural sagging state of the wind shielding structure 3 due to the influence of gravity when the heat dissipation cabinet is normally placed. The wind deflector 3 thus functions in its natural state as a flow deflector, heat insulator and wind deflector, protecting the cables passing through the fitting passage 7.

Optionally, the heat dissipation cabinet further comprises a connecting structure 2, the wind shielding structure 3 is connected with the bottom plane through the connecting structure 2, and the wind shielding structure 3 is used for isolating the through-flow space in a natural state and rotates by taking the connecting structure as an axis when stressed.

Specifically, the wind shielding structure 3 and the bottom plane are connected through the connecting structure 2, for example, the connecting structure 2 may be a hinge structure, the wind shielding structure 3 and the bottom plane are connected by using the hinge structure, wherein the connecting structure 2 may be applied in plurality to ensure the reliability of the connection between the wind shielding structure 3 and the bottom plane.

Fig. 5 is a schematic structural diagram of a connection structure according to an embodiment of the present invention, referring to fig. 5, the connection structure includes a first connection portion 510, a second connection portion 520, and a rotation shaft 530; the turning shaft 530 is used for connecting the first connecting part 510 and the second connecting part 520, the first connecting part 510 is arranged on the bottom plane, and the second connecting part 520 is arranged on the wind shielding structure; the first connecting portion 510 and the second connecting portion 520 rotate around the rotation shaft 530 when a force is applied to the two portions.

Specifically, the first connecting portion 510 and the second connecting portion 520 are connected by a rotating shaft 530, the first connecting portion 510 and the second connecting portion 520 can move around an axis, for example, one or more first collars 511 can be disposed on the first connecting portion 510, the cross section of the first collars 511 is perpendicular to one side of the first connecting portion 510, and similarly, the second connecting portion 520 is disposed with a plurality of second collars 521, the cross section of the second collars 521 is perpendicular to one side of the second connecting portion 520. The rotation shaft 530 passes through the first and

second collars

511 and 521, so that the first and

second connection parts

510 and 520 form a connection, and the first and

second connection parts

510 and 520 can rotate around the rotation shaft 530. Exemplarily, the first collar 511 and the second collar 521 pass through the rotating shaft rod 530 in a staggered manner, so as to form a symmetrical structure similar to a hinge, through holes are respectively formed on the surface of the first connecting portion 510 and the surface of the second connecting portion 520, the first connecting portion 510 can be fixed on the bottom plane by installing an installation screw through the through holes, and the second connecting portion 520 is fixed on the wind shielding structure 3, so that the wind shielding structure 3 can rotate around the rotating shaft rod 530 when being subjected to an external force applied to the wind shielding structure 3, and the wind shielding structure 3 naturally droops to achieve an effect of blocking hot wind when no external force is applied.

With continued reference to fig. 2, the attachment structure 2 further includes a torsion spring 540; one torsion pin of the torsion spring 540 contacts a surface of the first connection part 510, and the other torsion pin of the torsion spring 540 contacts a surface of the second connection part 520.

Specifically, the main body of the torsion spring 540 passes through the rotation shaft rod 530, the torsion pins at both ends of the torsion spring 540 are respectively disposed on the surfaces of the first connection portion 510 and the second connection portion 520, the torsion pins at both ends of the torsion spring 540 maintain a predetermined angle, when an external force forces the torsion spring to increase or decrease the predetermined angle, the torsion spring 540 can provide a torsion force to prevent torsion, and the initial state of the torsion spring 540 is maintained when no external force is applied. The surface at first connecting portion 510 and second connecting portion 520 can set up the pin lid and form accommodation space with first connecting portion 510 surface, second connecting portion 520 surface respectively, and the torsion pin is placed in accommodation space, and the torsion that utilizes the torsional spring to provide makes structure 3 that keeps out the wind when natural state, can not be blown up by the hot-blast of rack bottom air outlet 5 output, and the better effect that separates hot-blast that plays is applicable to the great scene of wind pressure. Meanwhile, in the forking process of the heat dissipation cabinet, the acting force of the fork teeth of the forklift is far greater than the torsion force of the torsion spring 540, so that the normal rotation of the wind shielding structure 3 is not influenced, and the forking is not influenced.

Fig. 6 is a schematic partial structural view of another heat dissipation cabinet according to an embodiment of the present invention, referring to fig. 6, the heat dissipation cabinet further includes a magnetic module 9; the material of the wind shielding structure 3 is magnetic material, and the magnetic module 9 is arranged on one side of at least one end of the wind shielding structure 3 in the first direction; the magnetic module 9 is used for providing magnetic attraction, wherein at least one end of the wind shielding structure 3 is an end of the wind shielding structure 3 in the extending direction of the rotating shaft when the wind shielding structure rotates close to the bottom plane.

Specifically, magnetic module 9 can set up alone in the position that is close to bottom plane edge of 3 one ends of structure of keeping out the wind, also can set up on supporting legs 8, and supporting legs 8 bear magnetic module 9 as load-bearing structure, the embodiment of the utility model provides an it is exemplary, set up magnetic module 9 on supporting legs 8, when magnetic module 9 sets up the one side of structure of keeping out the wind 3 one end, properly adjust the structure of keeping out the wind 3 and span the planar length in bottom, make structure of keeping out the wind 3 contact with magnetic module 9, structure of keeping out the wind 3 adopts magnetism to inhale the material, for example metal sheet etc.. When natural state, structure 3 keeps out the wind still can receive the restraint of magnetism absorption of magnetic force module 9 except receiving self gravity to further guarantee to keep out the wind the module and blown by hot-blast, the better effect of insulating hot-blast that plays is applicable to the great scene of wind pressure.

Further, the magnetic modules 9 are disposed at one side of two ends of the wind shielding structure 3, that is, one magnetic module 9 is correspondingly disposed at two sides of the wind shielding structure 3, and the length of the wind shielding structure 3 across the bottom plane is appropriately adjusted, so that two ends of the wind shielding structure 3 are respectively in contact with the magnetic modules 9. Through setting up two magnetic module 9 increase magnetism effect, keep keeping the stability of structure 3 that keeps out the wind under natural state.

Fig. 7 is a schematic partial structural view of another heat dissipation cabinet according to an embodiment of the present invention, referring to fig. 7, the wind shielding structure 3 includes a magnetic attraction enhancing portion 10 and a baffle portion 11; the magnetic attraction reinforcing part 10 is arranged on one side of the baffle part 11 close to the magnetic module 9, and the magnetic attraction reinforcing part 10 is vertically connected with the baffle part 11; wherein, the magnetic material is used as the magnetic material of the magnetic enhancement part.

Specifically, magnetism reinforcing part 10 and baffle 11 are connected perpendicularly, can buckle through the one end with wind-shielding structure 3, and wind-shielding structure 3 wholly forms similar "L" or "T" type, perhaps buckles wind-shielding structure 3's both ends, and wind-shielding structure 3 wholly forms similar "C" type or "worker" type, and wherein, the part of being buckled is as magnetism reinforcing part 10 for magnetism, and the material of magnetism reinforcing part 10 can use magnetism alone to inhale the material. By properly adjusting the length of the baffle portion 11, when the wind shielding structure 3 is in a natural state, the magnetic attraction enhancing portion 10 is matched with the magnetic module 9, so that the magnetic attraction effect is further increased, and the stability of the wind shielding structure 3 in the natural state is maintained.

Optionally, in a natural state, the magnetic attraction enhancing portion 10 at least partially covers the magnetic module 9 in a vertical projection of the magnetic module 9, the magnetic attraction enhancing portion 10 is used for increasing a magnetic attraction area, and the baffle portion 11 is used for blocking a through-flow space in the natural state.

Specifically, magnetism is inhaled reinforcing part 10 and magnetic module 9's relative position and can be directly relative or the mistake mutually, and perpendicular projection on magnetic module 9 is whole or partly falls on magnetic module 9, inhales reinforcing part 10 through the limit of bending that sets up structure 3 that keeps out the wind promptly, and the effect is inhaled with magnetic module 9 complex effort to increase and further increase magnetism, keeps the stability of structure 3 that keeps out the wind under natural state.

Optionally, the bottom plane is provided with a groove, and when the magnetic attraction reinforcing part rotates by taking the connecting structure as an axis, the groove is used for accommodating the magnetic attraction reinforcing part.

Specifically, when the device is forked from the front or the rear of the cabinet, due to the magnetic attraction enhancing part 10, the movement track of the wind shielding structure is limited to a certain extent, so that under the condition that the structure of the heat dissipation cabinet is not affected, a groove needs to be formed in the corresponding position of the bottom plane, and when the wind shielding structure 3 rotates around the shaft in the direction of the side provided with the magnetic attraction enhancing part 10 under the action of external force, the magnetic attraction enhancing part 10 can enter the groove to avoid affecting the movement track of the wind shielding structure 3.

With continued reference to fig. 2-4, the heat dissipation cabinet further includes a side wind shielding structure 13; the side wind shielding structure 13 is fixedly connected with the bottom plane, the side wind shielding structures 13 are respectively arranged on the side surface extending surfaces at two ends of the wind shielding structure, and the side wind shielding structure 13, the wind shielding structure 3 and the bottom plane form a flow guide channel in a surrounding manner; the flow guide channel is used for guiding hot gas at the air outlet 5.

Specifically, side wind-blocking structure 13 can be the baffle structure, on side wind-blocking structure 13 fixed connection bottom plane, side wind-blocking structure 13 sets up at the edge of the cabinet body and sets up on the side extension face at the both ends of structure 3 that keeps out the wind, furthermore, can use the supporting legs as the supporting body, the translation sets up in the outside of supporting legs, structure 3 that keeps out the wind is under natural state, can with side wind-blocking structure 13, bottom plane and ground form a water conservancy diversion passageway, thereby carry out the folk prescription with hot-blast water conservancy diversion, need not to set up the water conservancy diversion wind channel once more and reduce area, the cost of installation water conservancy diversion wind channel has also been reduced.

With continued reference to fig. 1, the heat dissipation cabinet further includes a heat dissipation fan 13; the heat radiation fan 13 is arranged in the air duct cavity 1; the radiator fan 13 is used for providing air flow power.

Specifically, a heat dissipation fan 13 is arranged in the air duct cavity 1, the heat dissipation fan 13 can be close to the air inlet 4, the fan of the heat dissipation fan 13 rotates, the fan generates air pressure, so that cold air is sucked into the air inlet 4, the cold air is used for cooling the power device, then the hot air is blown out from the air outlet 5 at the bottom of the cabinet, and the temperature of the power device is cooled through air flow.

Optionally, the air outlet 5 is provided with at least one layer of filter screen. Specifically, the filter screen is arranged to prevent the air outlet 5 from blowing hot air to blow pollutants such as ground dust into the air duct cavity 1, so as to protect devices in the cabinet.

With continued reference to fig. 1, the heat dissipation cabinet further includes an air inlet protection component 16, the air duct cavity further includes an air inlet 4, the air inlet 4 is disposed on the opposite surface of the bottom plane, and the air inlet protection component 16 covers the air inlet 4; the intake vent protection member 16 is used to protect the intake vent 4.

Specifically, the air inlet 4 adopts high-protection ceiling air inlet, the air inlet protection part 16 covers the air inlet 4, the air inlet protection part 16 comprises a ceiling, exemplarily, the vertical projection of the ceiling on the surface of the upper part of the heat dissipation cabinet covers the air inlet 4, the edge of the ceiling is provided with an air inlet filter screen, the air inlet filter screen is fixedly connected with the surface of the upper part, the ceiling and the filter screen form a protection space, and when the air inlet 4 is protected to suck cold air, sundries enter the inlet to influence the reliability of a power device in the heat dissipation cabinet.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A heat dissipation cabinet is characterized by comprising an air duct cavity, a wiring cavity and a wind shielding structure;

the air duct cavity comprises an air outlet which is arranged on the bottom plane of the radiating cabinet; the heat dissipation cabinet is characterized in that a through-flow space is arranged between the bottom plane of the heat dissipation cabinet and the ground, the wind shielding structure is rotatably connected with the bottom plane and used for isolating the through-flow space in a natural state and rotates close to the bottom plane when stressed.

2. The cabinet of claim 1, wherein power devices are disposed within the duct cavity.

3. The heat dissipation cabinet of claim 1, wherein the wiring cavity comprises a fitting port; the wind shielding structure cuts off the through-flow space to form a first space and a second space in a natural state; the air outlet is arranged on the bottom plane corresponding to the first space, and the accessory through opening is arranged on the bottom plane corresponding to the second space.

4. The heat dissipation cabinet of claim 1, further comprising a connection structure, wherein the wind shielding structure is connected to the bottom plane through the connection structure, and the wind shielding structure is configured to block the through-flow space in a natural state and rotate around the connection structure as an axis when a force is applied.

5. A heat radiating cabinet according to claim 4, wherein the connecting structure comprises a first connecting portion, a second connecting portion and a rotating shaft; the rotating shaft rod is used for connecting the first connecting part and the second connecting part, the first connecting part is arranged on the bottom plane, and the second connecting part is arranged on the wind shielding structure; the first connecting part and the second connecting part rotate by taking the rotating shaft rod as an axis when stressed.

6. A heat sink cabinet according to claim 5, wherein the connection structure further comprises a torsion spring; one torsion pin of the torsion spring is in contact with the surface of the first connecting part, and the other torsion pin of the torsion spring is in contact with the surface of the second connecting part.

7. A heat sink cabinet according to claim 4, further comprising a magnetic module; the material of the wind shielding structure is a magnetic material, the magnetic module is arranged on one side of at least one end of the wind shielding structure, and the magnetic module is used for providing magnetic attraction; and at least one end of the wind shielding structure is an end part of the wind shielding structure in the extending direction of the rotating shaft when the wind shielding structure is close to the bottom plane to rotate.

8. The heat sink cabinet of claim 7, wherein the wind blocking structure comprises a magnetically attractive reinforcement portion and a baffle portion; the magnetic attraction reinforcing part is arranged on one side of the baffle part close to the magnetic module and is vertically connected with the baffle part; wherein, the material of the magnetic attraction reinforcing part is magnetic attraction material.

9. The heat dissipation cabinet of claim 8, wherein in the natural state, a vertical projection of the magnetic attraction enhancing portion on the magnetic module at least partially covers the magnetic module, the magnetic attraction enhancing portion is configured to increase a magnetic attraction area, and the baffle portion is configured to block the through-flow space in the natural state.

10. The heat dissipation cabinet of claim 9, wherein the bottom plane has a groove, and the magnetic attraction enhancing portion rotates around the connecting structure as an axis, and the groove is used for accommodating the magnetic attraction enhancing portion.

11. The heat dissipation cabinet of claim 1, further comprising a side wind shield structure; the side wind shielding structure is fixedly connected with the bottom plane, the side wind shielding structures are arranged on side extending surfaces at two ends of the wind shielding structure, and the side wind shielding structure, the wind shielding structure and the bottom plane are encircled to form a flow guide channel; the flow guide channel is used for guiding the hot gas at the air outlet.

12. The cabinet of claim 1, further comprising a heat dissipation fan;

13. The heat dissipation cabinet of claim 1, further comprising an air inlet protection member, wherein the air duct cavity further comprises an air inlet, wherein the air inlet is disposed on an opposite surface of the bottom plane, and the air inlet protection member covers the air inlet; the air inlet protection component is used for protecting the air inlet.