CN218006732U

CN218006732U - Silent noise reduction cabinet

Info

Publication number: CN218006732U
Application number: CN202222031424.7U
Authority: CN
Inventors: 郑旭昭; 钟天洋; 钟泽鹏
Original assignee: Hainan Asia America Electric Energy Co ltd
Current assignee: Hainan Asia America Electric Energy Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-12-09
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses a rack of making an uproar falls in silence, open-ended rack around including, the front end is equipped with the cabinet door, rear end detachable installs the apron, be equipped with the slide rail on the inside wall of rack, the acoustic celotex board passes through in the slide rail sliding insertion rack, cabinet door and apron all are equipped with syllable-dividing material towards the inside one side of rack, air inlet and gas outlet have still been seted up on the roof of rack, inlet port and venthole have been seted up on the acoustic celotex board of roof in the laminating rack on the relevant position, be equipped with the extraction fan in the gas outlet, the air inlet top is equipped with air inlet silence return bend subassembly, the gas outlet top is equipped with the silence return bend subassembly of giving vent to anger, still be equipped with semiconductor refrigeration piece cooling device on the rack roof. The acoustic celotex board of quick dismantlement conveniently changes the noise insulation, and the heat dissipation wind gap at rack top sets up silence return bend subassembly and further falls the noise treatment to heat dissipation wind gap department, prevents that the noise from leaking from heat dissipation wind gap to the characteristic that utilizes the silence return bend sets up semiconductor refrigeration piece cooling device, realizes the cooling to the rack is inside.

Description

Silent noise reduction cabinet

Technical Field

The utility model relates to a rack design field, concretely relates to rack of making an uproar falls in silence.

Background

With the continuous development of industrialization and automation, a large number of control devices are centrally placed in a cabinet. Each kind of control equipment all comprises various hardware integrated circuit boards and radiating module, and these control equipment generally constitute a holistic rectangle install bin and fall to the ground and place. Because these install bins are integrated in the rack and installed, the installation density is higher, and in order to improve the radiating efficiency, all be provided with a plurality of fans in every controlgear's install bin. Although silent fans are currently used, the fans begin to age and vibrate after a long period of use, resulting in a lot of noise being generated in the cabinet.

In prior art, can use noise insulation such as soundproof cotton to fall and make an uproar and give sound insulation in the rack, however, soundproof cotton directly bonds at the inner wall of rack through the gluing agent usually, so the way is even more convenient when first installation, the rack structure is also comparatively simple, but soundproof cotton is ageing, wet, when needing to clear up or change soundproof cotton under the circumstances such as damage, need to shut down the control equipment in the rack and shift out the back, just there is sufficient operating space to tear soundproof cotton from the rack is inside down, for this some rack designs into detachable construction with rack wall all around, this kind of design need not shift out control equipment, but the rack is that the multiunit is parallel to be next to placing under most of circumstances, it also needs to shut down control equipment to move out the rack and demolish the cabinet wall. In addition, a general cabinet only performs mute noise reduction in the cabinet, but a heat dissipation air opening at the top of the cabinet does not perform mute noise reduction measures, so that noise is transmitted out from the heat dissipation air opening. And installed the rack behind the soundproof cotton additional, its rack outer wall reduces with external heat exchange efficiency, has leaded to the inside temperature of rack to rise too fast, also is very big examination to the inside heat dissipation of rack.

Therefore, how to consider the requirements of the cabinet on the silencing and noise reducing performance, the requirement of conveniently replacing the sound insulation piece and the requirement of heat dissipation inside the cabinet is a technical problem for the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rack of making an uproar falls in silence to solve the problem among the prior art, through set up the acoustic celotex board that can dismantle fast in the rack, conveniently change the acoustic celotex piece, and set up silence return bend subassembly in the heat dissipation wind gap at rack top, further fall the noise reduction to heat dissipation wind gap department, prevent that the noise from leaking from heat dissipation wind gap, and utilize the characteristic of silence return bend to set up semiconductor refrigeration piece cooling device, realize the cooling to the rack is inside.

The technical scheme of the utility model is realized like this:

the utility model provides a rack of making an uproar falls in silence, open-ended rack around including, the rack front end is equipped with the cabinet door, thereby rack rear end detachable installs the apron, be equipped with the slide rail on the inside wall of rack, the rack is inside to include four acoustic celotex boards, thereby the acoustic celotex board passes through in the slide rail sliding insertion rack and encloses into rectangular frame with the inner wall laminating of rack respectively, cabinet door and apron all are equipped with syllable-dividing material towards the inside one side of rack, air inlet and gas outlet have still been seted up on the roof of rack, inlet port and venthole have been seted up on the acoustic celotex board of roof in the laminating rack on the relevant position, be equipped with the induced-draught fan in the gas outlet, the air inlet top is equipped with the silence return bend subassembly of giving vent to anger, still be equipped with semiconductor refrigeration piece cooling device on the rack roof, the heat dissipation part position of semiconductor refrigeration piece cooling device is aimed at in the export of the silence return bend subassembly of giving vent to anger, the cooling part of semiconductor refrigeration piece cooling device is aimed at to the entry of silence return bend subassembly of admitting to breathe in.

A further technical scheme is, silence return bend subassembly that admits air includes intake pipe and silence return bend, the intake pipe is adorned admittedly at the rack roof, the air inlet is in the intake pipe, the silence return bend cup joints in the intake pipe top, be equipped with the material that gives sound insulation on the intake pipe inner wall, the silence return bend includes outer tube and inner tube, it is equipped with the sound-absorbing chamber to press from both sides between outer tube and the inner tube, be equipped with the material that gives sound insulation on the inner wall of inner tube, set up the inside hole that gives sound-absorbing between the chamber of a plurality of intercommunication silence return bends on the inner tube, the sound-absorbing hole of intercommunication hole is seted up to the material that gives sound insulation on the inner tube inner wall on the hole corresponds the position.

The air outlet mute bent pipe assembly comprises an air outlet pipe and a mute bent pipe, the air outlet pipe is fixedly arranged on the top wall of the cabinet, the air outlet is positioned in the air outlet pipe, the mute bent pipe is sleeved above the air inlet pipe, and the inner wall of the air outlet pipe is provided with a sound insulation material.

The semiconductor refrigeration piece cooling device comprises a semiconductor refrigeration piece, a heat conducting plate, a cooling dissipation piece, a radiating fin and a supporting rod, wherein the heat conducting plate is fixed above the top wall of the cabinet through the supporting rod, the semiconductor refrigeration piece is inserted into the heat conducting plate, one surface of the heat conducting plate is provided with a grid type radiating fin, and the other surface of the heat conducting plate is provided with a grid type cooling dissipation piece.

The further technical scheme is that a shell of the exhaust fan is fixed on the top wall of the cabinet through bolts, and a damping pad is clamped between the shell and the top wall of the cabinet.

A further technical scheme is that the acoustic celotex board includes base plate and syllable-dividing material, and the syllable-dividing material covers on the base plate, and when the acoustic celotex board inserted the rack, the base plate was towards the rack inner wall.

The sound insulation material is sound insulation cotton.

The further technical scheme is that two sound insulation materials and four sound insulation plates surround to form a closed hexahedron.

The beneficial effects of the utility model reside in that:

1. through set up the acoustic celotex board that can dismantle fast in the rack, be the parallel next prerequisite of placing of multiunit at the rack, only change cabinet door and inside on, down, a left side, when the soundproof cotton on four inner walls on the right side, can directly open the door and change the soundproof cotton on the door, or take the acoustic celotex board out and change the soundproof cotton, this in-process need not to shut down control device, the electrical problem that has avoided restarting controlgear and lead to, and the installation is dismantled all fairly easily, can prepare spare parts in advance, accomplish quick replacement.

2. Set up silence return bend subassembly through air inlet and the air outlet department at the rack top, the noise sees through the in-process that the air outlet air inlet passed outward from the rack is inside, earlier through the inside noise reduction of intake pipe and outlet duct, during the silence return bend afterwards, the noise hits on the inside curved wall of silence return bend, the part is absorbed by soundproof cotton, the part is through inhaling the sound hole, pass the hole entering and inhale the sound intracavity and be absorbed, last most noise is absorbed by the silence return bend, the fan noise of the inside noise of rack and rack top is outwards diffused, realize better silence noise reduction.

3. Through the characteristic that utilizes the silence return bend to set up semiconductor refrigeration piece cooling device, the fresh air of air inlet cools down through the cold piece that looses earlier before flowing into the silence return bend entry of admitting air, and inside the reentrant rack reduces the inside ambient temperature of rack afterwards. The air of gas outlet blows to the fin after flowing out the silence return bend of giving vent to anger, cools down the fin, improves the cooling capacity of semiconductor refrigeration piece.

Drawings

FIG. 1 is a general schematic view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is a schematic perspective view of the cabinet.

In the figure, 1, a cabinet, 2, a cabinet door, 3, a cover plate, 4, a sliding rail, 5, a base plate, 6, a sound insulation material, 7, an air outlet, 8, an air inlet, 9, an air outlet hole, 10, an air inlet hole, 11, a heat conducting plate, 12, a radiating fin, 13, a cooling fin, 14, a supporting rod, 15, a semiconductor cooling fin, 16, a fan, 17, a shell, 18, a bolt, 19, a shock pad, 20, an air outlet pipe, 21, an outer pipe, 22, an inner pipe, 23, a sound absorption cavity, 24, a hole, 25, a sound absorption hole, 26 and an air inlet pipe.

Detailed Description

In order to better understand the technical contents of the present invention, the following embodiments are provided, and the present invention is further described with reference to the accompanying drawings.

Referring to fig. 1 to 3, a cabinet of making an uproar falls in silence, including front and back open-ended cuboid cabinet 1, 1 front end of cabinet is equipped with cabinet door 2, and 1 rear end of cabinet installs apron 3 through spiro union mode detachable, and cabinet door 2 and apron 3 all are equipped with syllable-dividing material 6 towards 1 inside one side of cabinet, and syllable-dividing material 6 is soundproof cotton.

The inner side wall of the cabinet 1 is provided with a slide rail 4. Slide rail 4 is for adorning the stock on 1 inside wall of rack admittedly, and two inside walls respectively are equipped with two about, respectively for one from top to bottom, form the centre gripping space between the slide rail 4 of top and the roof, form the centre gripping space between slide rail 4 and the diapire of below, and the lower terminal surface of top slide rail 4 is protruding to be stretched downwards and is formed spacing, and the up end of below slide rail 4 is protruding to be stretched upwards and is formed spacing, forms the centre gripping space between two inside walls of spacing and rack 1. 1 inside four acoustic celotex boards that include of rack, the acoustic celotex board includes base plate 5 and syllable-dividing material 6, and syllable-dividing material 6 is soundproof cotton, covers to splice on base plate 5, and the edge of base plate 5 matches each other with the centre gripping space that slide rail 4 formed, and when the acoustic celotex board inserted rack 1 along slide rail 4, base plate 5 towards 1 inner wall of rack and laminating inner wall, thereby also respectively have a acoustic celotex board to surround into rectangular frame for upper and lower, left and right four inner walls. Two soundproof cotton on cabinet door 2 and the apron 3 and soundproof cotton on four soundproof cotton surround into a confined hexahedron together.

The benefit of 1 design of this kind of rack lies in, when only changing the soundproof cotton on cabinet door 2 and four inner walls on the inside upper and lower, left and right, can directly open the door and change the soundproof cotton on the door, or take the acoustic celotex board out and change soundproof cotton, and this in-process need not to shut down controlgear, and the installation is dismantled all fairly easily.

In order to cool and dissipate heat of control equipment inside the cabinet 1, the top wall of the cabinet 1 is further provided with an air inlet 8 and an air outlet 7, an air inlet hole 10 and an air outlet hole 9 are formed in corresponding positions on a sound insulation board attached to the inner top wall of the cabinet 1, an exhaust fan 16 is arranged in the air outlet 7, a shell 17 of the exhaust fan 16 is fixed on the top wall of the cabinet 1 through a bolt 18, and a shock pad 19 is clamped between the shell 17 and the top wall of the cabinet 1. The shock pad 19 can prevent the fan from resonating with the top wall of the cabinet 1 after aging, and noise is prevented from being generated.

8 tops of air inlet are equipped with the silence return bend subassembly of admitting air, 7 tops of gas outlet are equipped with the silence return bend subassembly of giving vent to anger, and the silence return bend subassembly of admitting air includes intake pipe 26 and silence return bend, and the welding of intake pipe 26 is at 1 roof of rack, and air inlet 8 is in intake pipe 26, and the silence return bend cup joints in intake pipe 26 top, is equipped with sound insulation material 6 on the intake pipe 26 inner wall, and sound insulation material 6 is soundproof cotton. The silence elbow pipe includes outer tube 21 and inner tube 22, presss from both sides between outer tube 21 and the inner tube 22 and is equipped with sound-absorbing cavity 23, is equipped with soundproof material 6 on the inner wall of inner tube 22, and soundproof material 6 of inner tube 22 is soundproof cotton equally, and the preferred soundproof cotton who has the silence awl of selecting for use. The inner pipe 22 is provided with a plurality of holes 24 communicated between the interior of the mute elbow and the sound-absorbing cavity 23, and the sound-insulating material 6 on the inner wall of the inner pipe 22 is provided with sound-absorbing holes 25 communicated with the holes 24 at the corresponding positions of the holes 24. The air outlet mute bent pipe component comprises an air outlet pipe 20 and a mute bent pipe, the air outlet pipe 20 is welded on the top wall of the cabinet 1, an air outlet 7 is positioned in the air outlet pipe 20, the mute bent pipe is sleeved above an air inlet pipe 26, a sound insulation material 6 is arranged on the inner wall of the air outlet pipe 20, and the sound insulation material 6 is sound insulation cotton.

The noise sees through 7 air inlets 8 of gas outlet 7 from cabinet 1 inside and goes out the in-process, earlier through the inside noise reduction of intake pipe 26 and outlet duct 20, when the silence return bend later on, the noise hits on the inside curved wall of silence return bend, the part is absorbed by soundproof cotton, the part is through inhaling sound hole 25, it absorbs in the chamber 23 to pass hole 24 entering sound absorption, last most noise is absorbed by the silence return bend, the fan noise of having avoided the inside noise of cabinet 1 and cabinet 1 top is to external diffusion, realize better silence noise reduction effect.

Specifically, after cabinet 1 is inside to set up soundproof cotton, cabinet 1 lateral wall reduces with external heat exchange capacity, and cabinet 1 is inside temperature on the high side. Therefore, the top wall of the cabinet 1 is also provided with a semiconductor refrigerating sheet 15 cooling device, and the semiconductor refrigerating sheet 15 cooling device comprises a semiconductor refrigerating sheet 15, a heat conducting plate 11, a cooling dissipating sheet 13, a radiating fin 12 and a supporting rod 14. The heat conducting plate 11, the cooling fins 13 and the heat radiating fins 12 are made of copper or aluminum alloy. The heat conducting plate 11 is fixed above the top wall of the cabinet 1 through a supporting rod 14, the semiconductor refrigeration sheet 15 is inserted in the heat conducting plate 11, one side of the heat conducting plate 11 is provided with a grid type cooling fin 12, and the other side of the heat conducting plate 11 is provided with a grid type cooling fin 13. The outlet of the air outlet mute bent pipe assembly is aligned with the heat dissipation part of the cooling device of the semiconductor chilling plate 15, and the inlet of the air inlet mute bent pipe assembly is aligned with the cooling part of the cooling device of the semiconductor chilling plate 15.

The fresh air of air inlet 8 is earlier through dispersing cold piece 13 and cooling before flowing into the silence return bend entry of admitting air, and then inside 1 of reentrant rack, the inside ambient temperature of reduction rack 1. After flowing out of the air outlet mute bent pipe, the air in the air outlet 7 is blown to the radiating fins 12 to cool the radiating fins 12, so that the cooling capacity of the semiconductor refrigerating fins 15 is improved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a rack of making an uproar falls in silence which characterized in that: the cabinet comprises a front cabinet and a rear cabinet, the front end of the cabinet is provided with a cabinet door, the rear end of the cabinet is detachably provided with a cover plate, a slide rail is arranged on the inner side wall of the cabinet, the cabinet is internally provided with four sound insulation plates, the sound insulation plates are slidably inserted into the cabinet through the slide rail and are respectively laminated with the inner wall of the cabinet to form a rectangular frame, one side of the cabinet door and the cover plate facing the inside of the cabinet is provided with sound insulation materials, the top wall of the cabinet is also provided with an air inlet and an air outlet, the sound insulation plates of the top wall in the cabinet are laminated and are provided with air inlets and air outlets at corresponding positions, a suction fan is arranged in the air outlet, an air inlet mute elbow assembly is arranged above the air inlet, an air outlet mute elbow assembly is arranged above the air outlet, the top wall of the cabinet is also provided with a semiconductor refrigerating fin cooling device, the outlet of the air outlet mute elbow assembly is aligned with the heat dissipation position of the semiconductor refrigerating fin cooling device, and the inlet of the air inlet mute elbow assembly is aligned with the cooling position of the semiconductor refrigerating fin cooling device.

2. The cabinet of claim 1, wherein: air inlet silence return bend subassembly includes intake pipe and silence return bend, the intake pipe is adorned at the rack roof admittedly, the air inlet is in the intake pipe, the silence return bend cup joints in the intake pipe top, be equipped with the material that gives sound insulation on the intake pipe inner wall, the silence return bend includes outer tube and inner tube, it inhales the sound chamber to press from both sides to be equipped with between outer tube and the inner tube, be equipped with the material that gives sound insulation on the inner wall of inner tube, set up the inside and hole between the sound chamber of inhaling of a plurality of intercommunication silence return bends on the inner tube, the sound hole that inhales of intercommunication hole is seted up to the material that gives sound on the inner tube inner wall on the hole corresponds the position.

3. The cabinet of claim 2, wherein: the air outlet mute bent pipe component comprises an air outlet pipe and a mute bent pipe, the air outlet pipe is fixedly arranged on the top wall of the cabinet, the air outlet is positioned in the air outlet pipe, the mute bent pipe is sleeved above the air inlet pipe, and the inner wall of the air outlet pipe is provided with a sound insulation material.

4. The cabinet of claim 3, wherein: the semiconductor refrigeration piece cooling device comprises a semiconductor refrigeration piece, a heat conduction plate, a cooling dissipation piece, a radiating fin and a support rod, wherein the heat conduction plate is fixed above the top wall of the cabinet through the support rod, the semiconductor refrigeration piece is inserted into the heat conduction plate, one surface of the heat conduction plate is provided with a grid type radiating fin, and the other surface of the heat conduction plate is provided with a grid type cooling dissipation piece.

5. The cabinet of claim 4, wherein: the shell of the exhaust fan is fixed on the top wall of the cabinet through bolts, and a shock pad is clamped between the shell and the top wall of the cabinet.

6. The cabinet of claim 5, wherein: the acoustic celotex board includes base plate and syllable-dividing material, and the material that gives sound insulation covers on the base plate, and when the acoustic celotex board inserted the rack, the base plate was towards the rack inner wall.

7. A cabinet according to any one of claims 1 to 6, wherein: the sound insulation material is soundproof cotton.

8. The cabinet of claim 7, wherein: the two sound insulation materials and the four sound insulation boards surround a closed hexahedron.