CN216391947U - Communication equipment cabinet with good heat dissipation effect - Google Patents

Abstract

The utility model discloses a communication equipment cabinet with a good heat dissipation effect, and relates to the technical field of optical communication equipment. The server cabinet comprises a cabinet body, wherein one end of the cabinet body is rotatably connected with a cabinet door, and two server fixing frames for fixing servers are arranged in the cabinet body; two first heat dissipation plates and one second heat dissipation plate are also included. According to the utility model, through the structural design of the detachable cabinet door and the first heat dissipation plate, the hole part can be taken down from the cabinet body when dust is cleaned, so that the dust is cleaned more conveniently; and through the structural design of first heating panel for first heating panel can further carry out the split and change, makes first heating panel can dismantle old ventilative board, changes the ventilative board that the clearance was gone up, makes ventilative board clear up alone, shortens the clearance required time by a wide margin, reduces the server because of the influence that the clearance caused.

Description

Communication equipment cabinet with good heat dissipation effect

Technical Field

The utility model relates to the technical field of optical communication equipment, in particular to a communication equipment cabinet with a good heat dissipation effect.

Background

An optical communication device, a communication device that transmits information using light waves; the system consists of three parts, namely signal sending, signal transmission and signal receiving; according to different transmission media, the communication device is divided into an atmospheric laser communication device, an optical fiber laser communication device, a space laser communication device and a waveguide type laser communication device; the laser communication has the advantages of large information capacity, interference resistance, strong confidentiality, portable equipment and the like;

in the traditional communication equipment cabinet, heat generated during operation needs to be discharged out of the cabinet in time, otherwise, the heat exceeds the safe operation temperature, so that the system is crashed or the service life is damaged;

in order to achieve the purpose of heat dissipation, holes are often formed in the two sides and the back of the cabinet when the cabinet is produced, so that heat generated by a mechanism is discharged through the holes, but when the cabinet is used for a long time, a layer of dust on the surface of the cabinet influences the heat dissipation effect, the heat is required to be cleaned manually, but the dust cannot be removed due to the fact that the parts with the holes are integrated with the cabinet body, so that the dust is inconvenient to clean, the holes in the inner side of the cabinet body are difficult to clean, and the dust is not thoroughly cleaned; on the other hand, the heat dissipation method has the problem of uneven internal heat dissipation, which may cause local overheating and affect the overall operation performance of the server cabinet.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a communication equipment cabinet with good heat dissipation effect, which aims to solve the existing problems: traditional server rack, for reaching the heat dissipation purpose, often when the rack is produced, set up the hole at rack both sides and back, the hole that makes the heat that the server produced discharges the heat through seting up, when the clearance dust, because of seting up the position of hole and the cabinet body can't demolish as an organic whole for the clearance of dust is comparatively inconvenient, and is difficult to handle the hole position of the internal side of cabinet and clears up, makes the clearance of dust thoroughly inadequately.

In order to achieve the purpose, the utility model provides the following technical scheme: a communication equipment cabinet with good heat dissipation effect comprises a cabinet body, wherein one end of the cabinet body is rotatably connected with a cabinet door, and two server fixing frames for fixing servers are arranged in the cabinet body; the server fixing frame is arranged on the inner side of the cabinet body, and the server fixing frame is arranged on the inner side of the cabinet body; the lower end of the second heat dissipation plate is inserted with a rotating base, the upper end of the second heat dissipation plate is inserted with a fixed top frame, the rotating base is rotatably connected with the cabinet body, and the fixed top frame is in sliding connection with the cabinet body;

the first heat dissipation plate and the second heat dissipation plate are used for protecting and dissipating heat of the server;

still include radiator unit for the heat dissipation of server, radiator unit includes bellows and heat extraction case, bellows are fixed in the inside of rack body and are located the position department between two server mounts, the top at the rack body is fixed to the heat extraction case, the upper end of bellows communicates with each other with the inside of heat extraction case.

Preferably, the first heat dissipation plate comprises a plate frame, a breathable plate and a limiting cross rod, two sliding grooves are formed in the plate frame, the breathable plate is inserted in each sliding groove, the limiting cross rod is inserted in the lower end of one side of the plate frame, and the limiting cross rod is also connected with the breathable plate in an inserting manner;

the one end of spacing horizontal pole is fixed with the fixed plate, the fixed plate is kept away from the one side of plate frame and is fixed with the cavity rubber strip, the fixed plate is close to the one side of plate frame and is fixed with the magnetism strip.

Preferably, two vertical grooves I are vertically formed in the ventilating plate, two connecting columns I are fixed at the upper end of the inner part of the sliding groove, the connecting columns I are in plug-in connection with the vertical grooves I, and the ventilating plate and the plate frame are in plug-in connection through the structural matching of the connecting columns I and the vertical grooves I; two transverse grooves are transversely formed in the upper end and the lower end of the breathable plate, the limiting transverse rod is in plug-in connection with the transverse grooves, and the limiting transverse rod is in plug-in connection with the breathable plate through the transverse grooves.

Preferably, two vertical grooves II are vertically formed in the second heat dissipation plate, two connecting columns II are fixed at the lower end of the fixed top frame, the connecting columns II are in plug-in connection with the vertical grooves II, two connecting columns III are fixed at the upper end of the rotating base, and the connecting columns III are also in plug-in connection with the vertical grooves II;

the two ends of the fixed top frame are both fixed with T-shaped sliding blocks, a T-shaped sliding groove is formed in the position where the cabinet body is connected with the fixed top frame, the T-shaped sliding blocks are located inside the T-shaped sliding grooves and are in sliding connection with the T-shaped sliding grooves, and the fixed top frame is in sliding connection with the cabinet body through the structural matching of the T-shaped sliding blocks and the T-shaped sliding grooves; the rotary base is characterized in that rotary shafts are fixed at two ends of the rotary base, the rotary shafts are in plug-in connection with the cabinet body and in clearance fit with the cabinet body, and the rotary base is rotatably connected with the cabinet body through the rotary shafts.

Preferably, the top of rack body and the one end that is close to fixed roof-rack still all rotate and be connected with two spacing separation blades, spacing separation blade is used for the spacing fixed of fixed roof-rack.

Preferably, the outer side of the fixed top frame is provided with a groove for facilitating the up-and-down movement of the fixed top frame.

Preferably, the inside of bellows is provided with the wind channel, a plurality of air inlet grooves that link to each other with the wind channel have all been seted up to the both sides of bellows, the position department that just is located the air inlet groove upper end in the inside of bellows all is provided with the water conservancy diversion strip.

Preferably, the bottom center of the heat-exhausting box is provided with an air port communicated with the air duct, the upper end of the heat-exhausting box is provided with two air exhaust ports, the upper end of the heat-exhausting box is magnetically connected with a dust guard at positions corresponding to the two air exhaust ports, and the top end inside the heat-exhausting box is fixed with an air guide fan at a position corresponding to the air exhaust ports through screws.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the structural design of the detachable cabinet door and the first heat dissipation plate, the hole part can be taken down from the cabinet body when dust is cleaned, so that the dust is cleaned more conveniently; through the structural design of the first heat dissipation plate, the first heat dissipation plate can be further detached and replaced, the old air permeable plate can be detached by the first heat dissipation plate, and the cleaned air permeable plate is replaced, so that the air permeable plate can be cleaned independently, the cleaning time is greatly shortened, and the influence of the server caused by cleaning is reduced;

2. according to the utility model, through the structural design of the heat dissipation assembly, the mode of dissipating heat outwards through the holes is changed, and the heat dissipation mode leads external air into the cabinet through the holes, and heat enters the air box and is discharged outwards through the heat discharge box.

Drawings

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

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic view of the internal structure of the cabinet body according to the present invention;

FIG. 3 is a schematic view of a first heat sink plate according to the present invention;

fig. 4 is an exploded view of the first heat dissipating plate according to the present invention;

fig. 5 is a structural sectional view of the air-permeable panel of the present invention (structural sectional view;

FIG. 6 is a top view of the structure of the limiting cross bar, the fixing plate and the hollow rubber strip of the present invention;

FIG. 7 is a rear elevational view of the overall construction of the present invention;

fig. 8 is a schematic view of a second heat dissipation plate according to the present invention;

FIG. 9 is a schematic view of the overall structure of the fixed top frame of the present invention;

FIG. 10 is a schematic view of the overall structure of the rotating base of the present invention;

fig. 11 is a sectional view showing a structure of a second heat dissipation plate according to the present invention;

FIG. 12 is a schematic view of a spacing plate according to the present invention;

FIG. 13 is a schematic structural view of a heat dissipation assembly of the present invention;

FIG. 14 is a sectional view showing the internal structure of a windbox of the present invention;

FIG. 15 is an external view of the heat discharging box of the present invention;

fig. 16 is a sectional view showing the internal structure of the heat discharging box of the present invention.

In the figure: 1. a cabinet body; 2. a cabinet door; 3. a first heat dissipation plate; 4. a server fixing frame; 5. an air box; 6. a heat removal box; 7. a second heat dissipation plate; 8. rotating the base; 9. fixing the top frame; 10. a board frame; 11. connecting a column I; 12. a gas permeable plate; 13. a limiting cross bar; 14. a fixing plate; 15. a hollow rubber strip; 16. a magnetic strip; 17. a first vertical groove; 18. a transverse groove; 19. connecting a second column; 20. a groove; 21. a T-shaped slider; 22. connecting a column III; 23. a rotating shaft; 24. a vertical groove II; 25. a T-shaped chute; 26. a limiting baffle plate; 27. a flow guide strip; 28. an air inlet groove; 29. a dust-proof plate; 30. an exhaust port; 31. an air guiding fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below 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.

Referring to fig. 1 to 16, a communication equipment cabinet with good heat dissipation effect includes a cabinet body 1, one end of the cabinet body 1 is rotatably connected with a cabinet door 2, and two server fixing frames 4 for fixing servers are arranged inside the cabinet body 1; the server fixing frame is characterized by further comprising two first heat dissipation plates 3 and a second heat dissipation plate 7, wherein the two first heat dissipation plates 3 are respectively arranged on two sides inside the cabinet body 1 and located between the server fixing frame 4 and the cabinet body 1, and the second heat dissipation plate 7 is arranged at the other end of the cabinet body 1; a rotating base 8 is inserted at the lower end of the second heat dissipation plate 7, a fixed top frame 9 is inserted at the upper end of the second heat dissipation plate 7, the rotating base 8 is rotatably connected with the cabinet body 1, and the fixed top frame 9 is slidably connected with the cabinet body 1; the first heat dissipation plate 3 and the second heat dissipation plate 7 are used for protecting and dissipating heat of the server;

specifically, in order to greatly shorten the time required for cleaning and reduce the influence of the server caused by cleaning, the first heat dissipation plate 3 comprises a plate frame 10, a breathable plate 12 and a limiting cross rod 13, two sliding grooves are formed in the plate frame 10, the breathable plates 12 are inserted into the sliding grooves, the limiting cross rod 13 is inserted into the lower end of one side of the plate frame 10 in order to achieve the effect of fixing the breathable plates 12, and the limiting cross rod 13 is also connected with the breathable plates 12 in an inserting manner;

in order to achieve the effect of fixing the first heat dissipation plate 3 and the cabinet body 1, a fixing plate 14 is fixed at one end of a limiting cross rod 13, a hollow rubber strip 15 is fixed at one side, away from the plate frame 10, of the fixing plate 14, when the first heat dissipation plate 3 is placed between the cabinet body 1 and the server fixing frame 4, the cabinet body 1 and the server fixing frame 4 can achieve an extrusion effect on the hollow rubber strip 15, so that the hollow rubber strip 15 is deformed under pressure, and the hollow rubber strip 15 is elastically deformed and tensioned through the material of the hollow rubber strip 15, so that when being extruded, the friction force of the hollow rubber strip 15 between the cabinet body 1 and the server fixing frame 4 is increased, and the effect of fixing the first heat dissipation plate 3 is achieved; in order to fix the fixing plate 14 and the ventilation plate 12, a magnetic strip 16 is fixed on one side of the fixing plate 14 close to the plate frame 10.

Specifically, in order to enable the air-permeable plate 12 and the first heat dissipation plate 3 to be installed without considering the installation direction, two vertical grooves I17 are vertically formed in the air-permeable plate 12, two connecting columns I11 are fixed at the upper end of the inner portion of each sliding groove, the connecting columns I11 are in plug-in connection with the vertical grooves I17, and the air-permeable plate 12 and the plate frame 10 are in plug-in connection through structural matching of the connecting columns I11 and the vertical grooves I17; two transverse grooves 18 are transversely formed in the upper end and the lower end of the air permeable plate 12, the limiting cross rod 13 is in plug connection with the transverse grooves 18, and the limiting cross rod 13 is in plug connection with the air permeable plate 12 through the transverse grooves 18; by the connection mode, any end of the air permeable plate 12 can be inserted into the first connecting column 11, and any end of the air permeable plate 12 can be inserted into the limiting cross rod 13;

in summary, when the first heat dissipation plate 3 needs to be cleaned, the cabinet door 2 is opened, and the first heat dissipation plate 3, together with the limiting cross bar 13, the fixing plate 14 and the hollow rubber strip 15, is taken out from the interior of the cabinet body 1, so that the first heat dissipation plate 3 can be cleaned; when the time required for cleaning needs to be shortened, after the first heat dissipation plate 3 is taken out, the limiting cross rod 13 is drawn out from the bottom of the plate frame 10, so that the ventilating plate 12 can be detached from the inside of the sliding groove, the ventilating plate 12 can be replaced, the old ventilating plate 12 is detached, the cleaned ventilating plate 12 is replaced, and the limiting cross rod 13 is inserted into the bottom end of the plate frame 10 again to complete the fixing of the ventilating plate 12; resetting the first heat dissipation plate 3 with the replaced air permeable plate 12, the limiting cross rod 13, the fixing plate 14 and the hollow rubber strip 15 to finish cleaning the first heat dissipation plate 3; old air-permeable plate 12 can be cleared up after first heating panel 3 finishes installing, shortens the clearance required time by a wide margin, reduces the server because of the influence that the clearance caused.

Specifically, in order to make the installation and the disassembly of the second heat dissipation plate 7 more convenient, two vertical grooves two 24 are vertically formed in the second heat dissipation plate 7, two connecting columns two 19 are fixed at the lower end of the fixed top frame 9, the connecting columns two 19 are in plug-in connection with the vertical grooves two 24, two connecting columns three 22 are fixed at the upper end of the rotating base 8, and the connecting columns three 22 and the vertical grooves two 24 are also in plug-in connection, so that the second heat dissipation plate 7 can be installed and disassembled without considering the forward and reverse directions;

in order to limit the movement of the fixed top frame 9 and avoid the separation of the fixed top frame 9 and the cabinet body 1, the two ends of the fixed top frame 9 are both fixed with T-shaped sliding blocks 21, a T-shaped sliding groove 25 is arranged at the position where the cabinet body 1 is connected with the fixed top frame 9, the T-shaped sliding blocks 21 are positioned inside the T-shaped sliding grooves 25 and are in sliding connection with the T-shaped sliding grooves 25, and the fixed top frame 9 and the cabinet body 1 are in sliding connection through the structural matching of the T-shaped sliding blocks 21 and the T-shaped sliding grooves 25;

in order to limit the fixed top frame 9 after the second heat dissipation plate 7 is installed, and prevent the fixed top frame 9 from moving and affecting the fixing effect of the second heat dissipation plate 7, two limiting blocking pieces 26 are rotatably connected to the top end of the cabinet body 1 and one end of the cabinet body close to the fixed top frame 9, and the limiting blocking pieces 26 are used for limiting and fixing the fixed top frame 9; in order to facilitate the movement of the fixed top frame 9 when the second heat dissipation plate 7 is mounted or dismounted, a groove 20 is further formed in the outer side of the fixed top frame 9 and used for facilitating the up-and-down movement of the fixed top frame 9;

for the convenience of rotating base 8, rotating shaft 23 is fixed at both ends of rotating base 8, rotating shaft 23 and cabinet body 1 are connected in an inserting manner and are in clearance fit, and rotating base 8 is rotatably connected with cabinet body 1 through rotating shaft 23.

In summary, when the second heat sink 7 needs to be cleaned, the limiting stopper 26 is rotated ninety degrees, so that the limiting stopper 26 loses the effect of limiting the fixed top frame 9, the fixed top frame 9 can move upwards, the second connecting column 19 at the lower end of the fixed top frame 9 is pulled out from the second heat sink 7, the second heat sink 7 can be turned over by the rotating base 8, and the second heat sink 7 can be pulled out from the upper end of the rotating base 8 after the second heat sink 7 is turned over for cleaning or replacement; when installing second heating panel 7, pass through spliced pole three 22 with erect the structure cooperation of groove two 24 with clean second heating panel 7, insert the upper end at rotating base 8, it overturns to drive second heating panel 7 through rotating base 8, make second heating panel 7 remove to fixed roof-rack 9 lower extreme, through moving down fixed roof-rack 9, make spliced pole two 19 of fixed roof-rack 9 lower extreme inside from newly inserting second heating panel 7, accomplish fixed roof-rack 9 spacing to second heating panel 7, carry out spacing fixedly to fixed roof-rack 9 through spacing separation blade 26 that resets at last, accomplish the clearance of second heating panel 7 promptly.

In order to increase the heat dissipation effect of the device, the heat dissipation device further comprises a heat dissipation assembly for heat dissipation of the server, the heat dissipation assembly comprises an air box 5 and a heat dissipation box 6, the air box 5 is fixed in the cabinet body 1 and located at a position between two server fixing frames 4, heat dissipated by the server on the two server fixing frames 4 is conveniently absorbed, the heat dissipation box 6 is fixed on the top end of the cabinet body 1, and the upper end of the air box 5 is communicated with the inside of the heat dissipation box 6.

Specifically, in order to make heat enter the inside of the air box 5 and guide the airflow, an air duct is arranged inside the air box 5, a plurality of air inlet grooves 28 connected with the air duct are formed in both sides of the air box 5, and a flow guide strip 27 is arranged inside the air box 5 and at the position of the upper end of the air inlet groove 28.

Specifically, in order to facilitate the heat discharge, an air port for communicating with an air duct is formed in the center of the bottom end of the heat discharge box 6, two rows of exhaust ports 30 are formed in the upper end of the heat discharge box 6, dust shields 29 are magnetically connected to the positions, located at the two rows of exhaust ports 30, of the upper end of the heat discharge box 6, the dust shields 29 protect the exhaust ports 30, the entering of foreign dust is reduced, air guide fans 31 are fixed to the positions, opposite to the exhaust ports 30, of the top end inside the heat discharge box 6 through screws, and air flow is guided through the air guide fans 31;

in summary, when the air guide fan 31 is started, the air inside the air box 5 is driven to move upwards, so that negative pressure is formed inside the air box 5, and further, the air outside the cabinet body 1 enters the cabinet body 1 through the first heat dissipation plate 3 or the second heat dissipation plate 7, after the outside air enters, heat emitted by the server is brought into the air box 5 through the air inlet groove 28, after the air enters the air box 5, the air is guided through the guide strips 27 and enters the heat exhaust box 6 through the air openings, and finally, the air with heat is exhausted through the air guide fan 31; through the structural design of the heat dissipation assembly, the mode of dissipating heat outwards through the holes is changed, and the heat dissipation mode leads external air into the cabinet through the holes, leads heat into the air box 5 and discharges the heat outwards through the heat discharge box 6; when the heat dissipation assembly is not activated, heat can be slowly dissipated through the first heat dissipation plate 3 and the second heat dissipation plate 7.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. The utility model provides a communication equipment rack that radiating effect is good, includes rack body (1), its characterized in that: one end of the cabinet body (1) is rotatably connected with a cabinet door (2), and two server fixing frames (4) for fixing servers are arranged in the cabinet body (1); the server cabinet is characterized by further comprising two first heat dissipation plates (3) and a second heat dissipation plate (7), wherein the two first heat dissipation plates (3) are respectively arranged on two sides in the cabinet body (1) and located between the server fixing frame (4) and the cabinet body (1), and the second heat dissipation plate (7) is arranged at the other end of the cabinet body (1); a rotating base (8) is inserted into the lower end of the second heat dissipation plate (7), a fixed top frame (9) is inserted into the upper end of the second heat dissipation plate (7), the rotating base (8) is rotatably connected with the cabinet body (1), and the fixed top frame (9) is slidably connected with the cabinet body (1); the first heat dissipation plate (3) and the second heat dissipation plate (7) are used for protecting and dissipating heat of the server; still include radiator unit for the heat dissipation of server, radiator unit includes bellows (5) and heat extraction case (6), position department between the inside of rack body (1) and being located two server mounts (4) is fixed in bellows (5), the top in rack body (1) is fixed in heat extraction case (6), the upper end of bellows (5) communicates with each other with the inside of heat extraction case (6).

2. The communication equipment cabinet with good heat dissipation effect as claimed in claim 1, wherein: the first heat dissipation plate (3) comprises a plate frame (10), a breathable plate (12) and a limiting cross rod (13), two sliding grooves are formed in the plate frame (10), the breathable plate (12) is inserted in the sliding grooves, the limiting cross rod (13) is inserted at the lower end of one side of the plate frame (10), and the limiting cross rod (13) is also connected with the breathable plate (12) in an inserting manner; one end of the limiting cross rod (13) is fixed with a fixing plate (14), one side, far away from the plate frame (10), of the fixing plate (14) is fixed with a hollow rubber strip (15), and one side, close to the plate frame (10), of the fixing plate (14) is fixed with a magnetic strip (16).

3. The communication equipment cabinet with good heat dissipation effect as claimed in claim 2, wherein: two vertical grooves I (17) are vertically formed in the ventilating plate (12), two connecting columns I (11) are fixed at the upper ends of the inner parts of the sliding grooves, the connecting columns I (11) are in plug-in connection with the vertical grooves I (17), and the ventilating plate (12) and the plate frame (10) are in plug-in connection through structural matching of the connecting columns I (11) and the vertical grooves I (17); two transverse grooves (18) are transversely formed in the upper end and the lower end of the breathable plate (12), the limiting cross rod (13) is in plug-in connection with the transverse grooves (18), and the limiting cross rod (13) is in plug-in connection with the breathable plate (12) through the transverse grooves (18).

4. The communication equipment cabinet with good heat dissipation effect as claimed in claim 1, wherein: two vertical grooves II (24) are vertically formed in the second heat dissipation plate (7), two connecting columns II (19) are fixed at the lower end of the fixed top frame (9), the connecting columns II (19) are in plug-in connection with the vertical grooves II (24), two connecting columns III (22) are fixed at the upper end of the rotating base (8), and the connecting columns III (22) are also in plug-in connection with the vertical grooves II (24); the two ends of the fixed top frame (9) are both fixed with T-shaped sliding blocks (21), a T-shaped sliding groove (25) is formed in the position where the cabinet body (1) is connected with the fixed top frame (9), the T-shaped sliding blocks (21) are located inside the T-shaped sliding grooves (25) and are in sliding connection with the T-shaped sliding grooves (25), and the fixed top frame (9) is in sliding connection with the cabinet body (1) through the structural matching of the T-shaped sliding blocks (21) and the T-shaped sliding grooves (25); rotating shafts (23) are fixed at two ends of the rotating base (8), the rotating shafts (23) are connected with the cabinet body (1) in an inserting mode and in clearance fit with the cabinet body, and the rotating base (8) is connected with the cabinet body (1) in a rotating mode through the rotating shafts (23).

5. The communication equipment cabinet with good heat dissipation effect of claim 4, wherein: the top of rack body (1) and the one end that is close to fixed roof-rack (9) still all rotate and be connected with two spacing separation blade (26), spacing separation blade (26) are used for the spacing fixed of fixed roof-rack (9).

6. The communication equipment cabinet with good heat dissipation effect of claim 4, wherein: the outer side of the fixed top frame (9) is also provided with a groove (20) for facilitating the up-and-down movement of the fixed top frame (9).

7. The communication equipment cabinet with good heat dissipation effect as claimed in claim 1, wherein: the inside of bellows (5) is provided with the wind channel, a plurality of air inlet grooves (28) that link to each other with the wind channel have all been seted up to the both sides of bellows (5), the position department that just is located air inlet groove (28) upper end in the inside of bellows (5) all is provided with water conservancy diversion strip (27).

8. The communication equipment cabinet with good heat dissipation effect of claim 7, wherein: the utility model discloses a wind channel heat dissipation device, including heat dissipation case (6), the bottom center department of heat dissipation case (6) offers and is used for the communicating wind gap with the wind channel, two rows of gas vents (30) have been seted up to the upper end of heat dissipation case (6), the upper end of heat dissipation case (6) just is located the equal magnetism in position department of two rows of gas vents (30) and is connected with dust guard (29), the inside top of heat dissipation case (6) just is located the relative position department of gas vent (30) and all is fixed with air guide fan (31) through the screw.

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