CN215672741U - Sound insulation protection device - Google Patents

Abstract

The utility model provides a sound-proof protection device, which comprises: a front side plate, a top plate, a back plate and a bottom plate; the front side plate is in a folded plate shape with an opening, and the back plate is detachably connected with one end of the opening of the front side plate so as to close the opening of the front side plate and form a vertical enclosure assembly; the vertical enclosure assembly is detachably connected with the top plate and the bottom plate along the longitudinal two ends to form a box body, and an inner cavity of the box body is used for containing a motor pump body of medical equipment. So the configuration, the constitution part of box is split type structure, when guaranteeing closure and the performance of making an uproar that separates, and the preceding curb plate of U font or U-shaped is convenient for dismantle when installing and maintaining, is convenient for assemble and operate parts such as the motor pump body of the medical equipment of holding in the box in limited space, is convenient for maintain and maintain parts such as the motor pump body, and space utilization is high.

Description

Sound insulation protection device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a sound insulation protection device.

Background

Many existing medical devices are currently provided with a motor pump body, for example: the cryoablation equipment is mainly used in a minimally invasive surgery room in a hospital, is normally used for 2 to 3 hours in one work, and can also be continuously used without interruption. When the cryoablation device is used, the pitch of the physical working sound of the motor pump body reaches 70-85 decibels, the sound of the motor pump body during working can affect the working state of medical personnel and the mood of a patient, and people can feel irritated and cannot feel quiet and feel quiet to do work and rest, so that the operation process is affected. Improvements to such medical devices are therefore particularly desirable.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sound insulation protective device, which aims to solve the problems that the existing medical equipment is high in noise and inconvenient to install.

In order to solve the above technical problem, the present invention provides a sound insulation protection device for medical equipment, comprising: a front side plate, a top plate, a back plate and a bottom plate;

the front side plate is in a folded plate shape with an opening, and the back plate is detachably connected with one end of the opening of the front side plate so as to close the opening of the front side plate and form a vertical enclosure assembly; the vertical enclosure assembly is detachably connected with the top plate and the bottom plate along the longitudinal two ends to form a box body, and an inner cavity of the box body is used for containing a motor pump body of medical equipment.

Optionally, a portion of the front side plate opposite to the back plate is arc-shaped, and/or the back plate is arc-shaped.

Optionally, the bottom plate includes a bottom plate body and a crash pad, a flange extending in a direction toward the top plate is provided around the bottom plate body, and a crash pad mounting area is formed by the bottom surface of the bottom plate body and the flange; the crash pad is disposed in the crash pad mounting area.

Optionally, a surface of the shock pad facing the top plate has a plurality of concave pits, and/or a surface of the shock pad facing away from the top plate has a plurality of concave pits.

Optionally, the bottom plate body is provided with at least two groups of mounting holes; the at least two groups of mounting holes are used for adapting at least two motor pump bodies.

Optionally, the sound insulation protection device further comprises a sound insulation part, and the sound insulation part is attached to at least one of the inner wall of the front side plate, the inner wall of the back plate and the inner wall of the top plate.

Optionally, the sound insulation member has a plurality of protrusions on a side facing the inside of the case.

Optionally, the protrusion is pyramid-shaped.

Optionally, the color of the sound insulation component is matched with the type of the motor pump body accommodated in the box body.

Optionally, the back plate has an air inlet and an air outlet; the sound insulation protection device further comprises a fan, and the fan is arranged at the air outlet.

In summary, the sound insulation protection device provided by the utility model comprises: a front side plate, a top plate, a back plate and a bottom plate; the front side plate is in a folded plate shape with an opening, and the back plate is detachably connected with one end of the opening of the front side plate so as to close the opening of the front side plate and form a vertical enclosure assembly; the vertical enclosure assembly is detachably connected with the top plate and the bottom plate along the longitudinal two ends to form a box body, and an inner cavity of the box body is used for containing a motor pump body of medical equipment.

So dispose, the component part of box is split type structure, when guaranteeing closure and noise insulation performance, has the preceding curb plate of open-ended folded plate shape and dismantles when being convenient for install and maintain, is convenient for assemble and operate parts such as the motor pump body of the medical equipment of holding in the box in limited space, is convenient for maintain and maintain parts such as the motor pump body, and space utilization is high.

Drawings

It will be appreciated by those skilled in the art that the drawings are provided for a better understanding of the utility model and do not constitute any limitation to the scope of the utility model. Wherein:

FIG. 1 is a schematic view of a sound barrier guard;

FIG. 2 is a perspective view of an acoustic barrier shield in accordance with an embodiment of the present invention;

FIG. 3 is an exploded view of the sound barrier shield in accordance with one embodiment of the present invention;

FIGS. 4a and 4b are top and front views of an acoustic barrier shield in accordance with an embodiment of the present invention;

FIGS. 4c and 4d are top and front views of an acoustic barrier shield according to another embodiment of the present invention;

FIG. 5 is a schematic view of a backplane according to an embodiment of the present invention;

FIG. 6 is an exploded view of a base plate of an embodiment of the present invention;

FIG. 7 is a schematic view of a front side panel of an embodiment of the present invention;

FIG. 8 is a schematic view of a sound insulating member according to an embodiment of the present invention;

FIG. 9 is a cross-sectional view of a sound insulating member according to an embodiment of the present invention;

FIG. 10 is a schematic view of a backing plate according to an embodiment of the utility model;

FIG. 11 is a schematic view of a top plate of an embodiment of the present invention.

In the drawings:

01-upper cover; 02-discharging the box; 10-front side plate; 11-fixing and installing screw holes; 20-a top plate; 21-inlet and outlet pipe ports; 22-a switch bracket; 30-a back plate; 31-an air inlet; 32-air outlet; 33-mounting a bracket; 40-a bottom plate; 41-a bottom plate body; 42-a crash pad; 43-flanging; 44-crash pad mounting area; 45-mounting a bracket; 46-pits; 47-mounting holes; 50-a sound-insulating member; 51-a boss; 52-an attracting layer; 53-sound insulation layer; 54-a back glue layer.

Detailed Description

To further clarify the objects, advantages and features of the present invention, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It is to be noted that the drawings are in greatly simplified form and are not to scale, but are merely intended to facilitate and clarify the explanation of the embodiments of the present invention. Further, the structures illustrated in the drawings are often part of actual structures. In particular, the drawings may have different emphasis points and may sometimes be scaled differently.

As used in this specification, the singular forms "a", "an" and "the" include plural referents, the term "or" is generally employed in its sense including "and/or," the terms "a" and "an" are generally employed in their sense including "at least one," the terms "at least two" are generally employed in their sense including "two or more," and the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second" and "third" may explicitly or implicitly include one or at least two of the features, "one end" and "the other end" and "proximal end" and "distal end" generally refer to the corresponding two parts, which include not only the end points, but also the terms "mounted", "connected" and "connected" should be understood broadly, e.g., as a fixed connection, as a detachable connection, or as an integral part; either directly or indirectly through intervening media, either internally or in any other relationship. Furthermore, as used in this specification, an element being disposed on another element generally only means that there is a connection, coupling, fit, or drive relationship between the two elements, and the connection, coupling, fit, or drive between the two elements may be direct or indirect through intermediate elements, and should not be understood as indicating or implying any spatial relationship between the two elements, i.e., an element may be in any orientation inside, outside, above, below, or to one side of another element, unless the content clearly dictates otherwise. The specific meanings of the above terms in the present specification can be understood by those of ordinary skill in the art as appropriate.

The utility model aims to provide a sound insulation protective device, which aims to solve the problems that the existing medical equipment is high in noise and inconvenient to install.

The inventor finds that when the existing medical equipment runs, the noise generated by a pump body of a motor of the existing medical equipment is large, and through field tests, the noise generated by some vacuum pumps when the existing medical equipment runs can reach 70-85 decibels, exceeds the comfortable and quiet environmental use condition, and belongs to noise pollution. However, for the existing physical existence of the motor pump body in the medical equipment, the sound size cannot be changed during the operation, so that the reduction of vibration and the blocking of the sound source are a better way for reducing the noise of the medical equipment.

Referring to fig. 1, a box-type sound-proof protection device is shown, which includes an upper cover 01 and a lower box 02 detachably connected to each other, the lower box 02 is used for accommodating a motor pump body (not shown) of a medical device, after the upper cover 01 is assembled with the lower box 02, although the formed box can form a good sound-proof protection effect, after the motor pump body is placed into the lower box 02, the motor pump body occupies about 4/5 volume space of the whole lower box 02, the space around the motor pump body is small, and since the whole box can only be assembled and maintained by detaching the upper cover 01, the operation is difficult and inconvenient. Because the functions of the existing medical equipment are more, the internal parts are more, and the requirement of small occupied area is considered, the internal parts of the existing medical equipment are placed compactly, so that the problem cannot be solved simply by using a mode of enlarging a box body.

Based on the above research, please refer to fig. 2 and fig. 3, the present embodiment provides a sound insulation protection device, which includes: a front side plate 10, a top plate 20, a back plate 30 and a bottom plate 40; the front side plate 10 is in a folded plate shape with an opening, and the back plate 30 is detachably connected with one end of the opening of the front side plate 10 to close the opening of the front side plate 10 to form a vertical enclosure assembly; the vertical enclosure assembly is detachably connected with the top plate 20 and the bottom plate 40 along the longitudinal two ends to form a box body, and an inner cavity of the box body is used for accommodating a motor pump body of medical equipment.

Here, the use state of the soundproof protection device is exemplarily described, and generally, the soundproof protection device is placed on the floor, the ground or the inside of the medical equipment, which is generally horizontally placed, and the placed soundproof protection device, as viewed in the vertical direction, has the bottom plate 40 at the lowermost portion, which is in contact with the floor, the ground or the inside of the medical equipment, and extends generally horizontally. The front side plate 10 and the back plate 30 both extend along the vertical direction (i.e. along the linear direction of gravity), the front side plate 10 is in the shape of an open folded plate, the open folded plate means that the cross section of the front side plate along the horizontal direction is in the shape of a U or a U, after one open end of the front side plate 10 is connected with the back plate 30, one open end of the front side plate 10 is closed by the back plate 30 to form a square vertical enclosure assembly, and the longitudinal direction of the square vertical enclosure assembly is also arranged along the vertical direction. The bottom end of the vertical enclosure assembly is used for being connected with the bottom plate 40; the top plate 20 is opposite the bottom plate 40 and preferably also extends horizontally, and the top plate 20 is adapted to be connected to the top end (i.e., the end that is vertically above) of the vertical enclosure assembly. After the front side plate 10, the top plate 20, the back plate 30 and the bottom plate 40 are assembled and connected with each other, a box body is formed, and an inner cavity of the box body is used for accommodating a motor pump body of medical equipment. Preferably, the front side plate 10, the top plate 20, the back plate 30 and the bottom plate 40 are all connected in a sealing manner, so that the six closed box bodies can coat the periphery of the motor pump body, isolation and blocking of noise transmission are realized, and the sound insulation and protection effect is better. Furthermore, because the front side plate 10 is in the shape of an open flap, and can be detached from the back plate 30, the periphery of the vacuum motor pump body can be exposed after the top plate 20 and the front side plate 10 are detached in use, so that the components such as the motor pump body of the medical equipment accommodated in the box body can be assembled and operated in a limited space, the maintenance of the components such as the motor pump body is facilitated, and the space utilization rate is high.

Further, referring to fig. 4 a-4 d, fig. 4a and 4b show a top view and a front view of a preferred embodiment acoustic barrier shield, and fig. 4c and 4d show a top view and a front view of another preferred embodiment acoustic barrier shield. In the preferred embodiment shown in figures 4a and 4b, the front plate 10 is u-shaped and the back plate 30 is a flat plate, so configured that the vertical containment assembly is formed with a substantially rectangular shape in plan and front view. The sound insulation protection device of the preferred embodiment occupies a small area and has high space utilization rate.

Optionally, a portion of the front side plate 10 opposite to the back plate 30 (i.e. the front portion of the front side plate 10) is curved, and/or the back plate is curved. In the preferred embodiment shown in fig. 4c and 4d, the front plate 10 is U-shaped, i.e. a portion of the front plate 10 opposite to the back plate 30 is arc-shaped, and the back plate 30 is also arc-shaped. Compared with a plane structure, the arc-shaped structure can reflect noise for multiple times, so that the energy of the noise is consumed, and the effect of reducing the noise is improved. Of course, in other embodiments, one of the front plate 10 and the back plate 30 opposite to the back plate 30 may be a planar shape (e.g. the front plate 10 is u-shaped or the back plate 30 is a flat plate), and the other is an arc shape, which is not limited in this embodiment. It should be noted that the curved surface may be a cylindrical surface, or may be another curved surface or cylindrical surface, such as a hyperbolic cylindrical surface, a parabolic cylindrical surface, or an ellipsoidal surface, which is not limited in the present invention.

Referring to fig. 5 and 6, preferably, the bottom plate 40 includes a bottom plate body 41 and a crash pad 42, a flange 43 extending toward the top plate 20 (i.e., upward) is disposed around the bottom plate body 41, and a crash pad mounting area 44 is formed between the bottom surface of the bottom plate body 41 and the flange 43; the crash pad 42 is disposed in the crash pad mounting area 44. In an alternative example, the material of the bottom plate body 41 is a metal material (such as stainless steel), the thickness is 2 mm, and the height of the flange 43 is 10 mm. Further optionally, two mounting brackets 45 with a width (indicating a distance along a horizontal direction) of 20 mm and a height (indicating a distance along a vertical direction) of 15 mm are respectively arranged at the front part of the front side plate 10 and the two sides of the back plate 30 of the turned-over edge 43, a mounting screw hole is arranged on the mounting bracket 45, and an M4 nut is welded on one side of the mounting screw hole so as to be conveniently assembled and connected with the front side plate 10 and the back plate 30. The pad 42 is sized to fit the pad mounting area 44, and the pad may have a thickness slightly less than the height of the pad mounting area 44, such as 5 mm. Preferably, the material of the crash pad may be an elastic material such as rubber. The crash pad 42 may be installed in the crash pad installation region 44 and may be attached to the base plate body 41, so that vibration caused by resonance may be reduced and noise may be reduced.

Further, the side of the crash pad 42 facing the top plate 20 (i.e., the upper surface) has a plurality of recesses 46, and/or the side of the crash pad 42 facing away from the top plate 20 (i.e., the lower surface) has a plurality of recesses 46. The arrangement of the concave pits 46 can form a structure similar to a sucker type structure, and when the concave pits 46 are arranged on the lower surface of the shock pad 42, the shock pad 42 can be reliably attached to the bottom plate body 41; when the concave pits 46 are formed on the upper surface of the shock pad 42, the motor pump body can be firmly sucked, so that the motor pump body cannot generate displacement, and the vibration caused by resonance is reduced. It is understood that in some embodiments, the recesses 46 may be formed in both the upper and lower surfaces of the crash pad 42, while in other embodiments, the recesses 46 may be formed in either the upper or lower surfaces of the crash pad 42, although the utility model is not limited in this respect.

Optionally, the bottom plate body 41 has at least two sets of mounting holes 47; the at least two sets of mounting holes 47 are adapted to fit at least two of the motor pump bodies. For one type of medical equipment, the specification of the motor pump body may be selected from more than one type, and therefore, at least two sets of mounting holes 47 are preferably provided on the bottom plate body 41, and each set of mounting holes 47 is adapted to one specification of the motor pump body. With the configuration, when the medical equipment is subsequently maintained, the motor pump bodies with different specifications can be selected for replacement and maintenance. Preferably, the crash pad 42 is provided with a through hole at a position corresponding to the mounting hole 47 to facilitate the mounting of the motor pump body.

Referring to fig. 7, the front portion and two side surfaces of the front plate 10 may be optionally provided with a plurality of fixing screw holes 11, so that the front plate 10 is detachably assembled with the top plate 20, the back plate 30 and the bottom plate 40, respectively.

Preferably, the soundproof protection device further includes a soundproof member 50, and the soundproof member 50 is attached to at least one of an inner wall of the front side plate 10, an inner wall of the back plate 30, and an inner wall of the top plate 20. The sound-deadening member 50 may include, for example, soundproof cotton, deadening felt, or the like. The inner wall here means a side of the front panel 10, the back panel 30 and the top panel 20 facing the inside of the cabinet.

Referring to fig. 8 and 9, in an exemplary embodiment, the soundproof member 50 includes a polyurethane elastic adhesive-backed double-layer composite sound-absorbing soundproof cotton. Which comprises a suction layer 52, a sound insulation layer 53 and a back adhesive layer 54 connected in sequence. The suction layer 52 is used for facing the inside of the box body, and the back glue layer 54 is used for being attached to the inner wall of the front side plate 10, the back plate 30 or the top plate 20. Preferably, the sound insulating member 50 has a plurality of protrusions 51 on a side facing the inside of the case, and the plurality of protrusions 51 are disposed as the suction layer 52. Polyurethane elasticity gum double-deck complex is inhaled sound formula soundproof cotton adopts and inhales sound + syllable-dividing dual design integration, effective separation sound transmission, noise abatement. Compared with the traditional sound insulation materials, such as asbestos, high-density rubber-plastic sponge and the like, the sound insulation material has better performance. And due to the arrangement of the back glue layer 54, the back glue can be conveniently attached to the inner walls of the front side plate 10, the back plate 30 or the top plate 20 only by tearing the back glue during installation.

The material of the convex part 51 is a three-dimensional net-shaped porous material, and the pores are communicated with each other. When sound is transmitted, the porous structure can cause air vibration in the gap, and a part of sound energy is converted into heat energy to be consumed, so that the effect of attenuating the sound wave is achieved. Further, the density of the soundproof layer 53 is preferably higher than the density of the attraction layer 52, and it mainly plays a role of soundproof, a part of the sound wave passing through the attraction layer 52 is reflected by the soundproof layer 53 to the attraction layer 52 to be absorbed, and a part of the sound wave passing through the attraction layer 52 is absorbed by the soundproof layer 53.

Preferably, the protrusion 51 has a pyramid shape, such as a quadrangular pyramid shape, and is formed in a pyramid shape. The outer surface of the pyramid-shaped convex part 51 can generate diffuse reflection to noise, and noise can be prevented from generating echo in the box body.

Optionally, the color of the sound insulation component 50 is adapted to the type of the motor pump body accommodated in the box body. The sound-deadening member 50 may be selected from various colors such as: blue, yellow, green, black, gray, brown, red, etc. The lectotype specification of the motor pump body has a plurality of, can select the syllable-dividing part 50 of different colours to fix the collocation according to the model of the motor pump body, and categorised sign uses, for example:

the type 1 motor pump body is selected from a blue sound insulation part 50.

The type 2 motor pump body is selected from a yellow sound insulation part 50.

The type 3 motor pump body selects a green sound insulation part 50.

When the motor pump body produces the loss or breaks down in the use, when needing the maintenance, the model of knowing specific motor pump body just need be distinguished fast through the colour of sound insulation part 50 on-the-spot to be convenient for formulate subsequent processing scheme, when helping the problem, quick response solves.

Referring to fig. 10, the back plate 30 has an air inlet 31 and an air outlet 32; the sound-proof protection device further comprises a fan (not shown) disposed at the air outlet 32. The motor pump body is sealed by the sound insulation protection device while sound insulation protection is carried out. However, the motor pump body generates heat during operation, and the arrangement of the air inlet 31 and the air outlet 32 can meet the heat dissipation requirement of the motor pump body, so that the performance of the motor pump body is stable and normal.

In an exemplary embodiment, the mounting brackets 33 are disposed on both sides of the back plate 30, the mounting brackets 33 have a width (i.e., a distance along a vertical direction) of 20 mm and a height (i.e., a distance along a horizontal direction) of 15 mm, the mounting brackets 33 are provided with mounting screw holes, and M4 nuts are welded on one side of the mounting screw holes to facilitate assembly and connection with the front plate 10.

The air outlet 32 can be provided with 1-2 fans for exhausting air and dissipating heat, the air inlet 31 is arranged below the air outlet 32, preferably, a dust filtering gauze can be additionally arranged, and the spare positions around the air inlet 31 and the air outlet 32 can be selectively paved with the sound insulation parts 50.

The inventor finds that because the placement space of the motor pump body in the medical equipment is limited, the motor pump body occupies most of the space of the box body of the sound insulation protection device, and if the air inlet 31 and the air outlet 32 are not arranged on the same side, effective circulation of air is difficult to realize, so that the heat dissipation effect is influenced. The air inlet 31 and the air outlet 32 are arranged on the same side face of the sound insulation protection device, so that air inside the box body can effectively generate circular flow, and aerodynamics is met. Through the test, compare with set up air intake 31 and air outlet 32 on the different sides at sound insulation protector, the radiating effect can promote 30%.

Optionally, the fan can be a variable frequency fan, and the air volume can be divided into three grades, namely high grade, medium grade and low grade. Furthermore, a temperature sensor can be arranged in the box body to collect internal temperature signals. In an alternative example, the fan is operated at a low speed when the temperature in the box body is 0-15 ℃; when the temperature in the box body is 16-30 ℃, the fan runs at a medium speed; when the temperature in the box body is 31-50 ℃, the fan runs at high speed.

Referring to fig. 11, the top plate 20 is preferably the same as the bottom plate 40 in size and material, an inlet/outlet duct port 21 of the motor pump body and a switch bracket 22 are reserved on the upper surface of the top plate 20, and the switch bracket 22 is used for arranging a switch component.

Based on the sound insulation protection device that this embodiment provided, at distance 1 meter department, the noise that medical equipment surveyed when normal operating falls to between 25dB-38dB, and the effect that gives sound insulation is obvious, and the stable performance is reliable, satisfies the user demand. The problem that the operating sound of the medical equipment is too loud and noise pollution is caused is effectively solved. And the sound insulation protection device has a simple structure, is convenient to disassemble and assemble and is convenient for later maintenance of medical equipment.

In summary, the sound insulation protection device provided by the utility model comprises: a front side plate, a top plate, a back plate and a bottom plate; the front side plate is in a folded plate shape with an opening, and the back plate is detachably connected with one end of the opening of the front side plate so as to close the opening of the front side plate and form a vertical enclosure assembly; the vertical enclosure assembly is detachably connected with the top plate and the bottom plate along the longitudinal two ends to form a box body, and an inner cavity of the box body is used for containing a motor pump body of medical equipment. So the configuration, the constitution part of box is split type structure, when guaranteeing closure and the performance of making an uproar that separates, and the preceding curb plate of U font or U-shaped is convenient for dismantle when installing and maintaining, is convenient for assemble and operate parts such as the motor pump body of the medical equipment of holding in the box in limited space, is convenient for maintain and maintain parts such as the motor pump body, and space utilization is high.

The above description is only for the purpose of describing the preferred embodiment of the present invention, and does not limit the scope of the present invention in any way, and the sound-proof device is used for the motor pump body of the medical equipment in the embodiment of the present invention, but it will be understood by those skilled in the art that the sound-proof device of the present invention can also be applied to the motor pump body of other equipment or can also be used for placing other relatively noisy devices. Any changes and modifications of the present invention based on the above disclosure will be within the scope of the appended claims.

Claims (10)

1. A sound-insulating protective device for a medical apparatus, comprising: a front side plate, a top plate, a back plate and a bottom plate;

the front side plate is in a folded plate shape with an opening, and the back plate is detachably connected with one end of the opening of the front side plate so as to close the opening of the front side plate and form a vertical enclosure assembly; the vertical enclosure assembly is detachably connected with the top plate and the bottom plate along the longitudinal two ends to form a box body, and an inner cavity of the box body is used for containing a motor pump body of medical equipment.

2. The acoustic insulator guard of claim 1 wherein a portion of the front plate opposite the back plate is curved and/or wherein the back plate is curved.

3. The acoustic protector as set forth in claim 1 wherein said base plate includes a base plate body and a crash pad, said base plate body having a flange extending around said base plate body in a direction toward said top plate, said base plate body having a bottom surface and said flange forming a crash pad mounting area; the crash pad is disposed in the crash pad mounting area.

4. The acoustic insulator guard of claim 3 wherein said pad has a plurality of dimples on a face of said pad facing said top plate and/or a plurality of dimples on a face of said pad facing away from said top plate.

5. The acoustic noise-abatement shield of claim 3, wherein the base plate body has at least two sets of mounting holes; the at least two groups of mounting holes are used for adapting at least two motor pump bodies.

6. The acoustic protector as claimed in claim 1, further comprising a sound insulating member attached to at least one of an inner wall of the front side panel, an inner wall of the back panel, and an inner wall of the top panel.

7. The acoustic protector of claim 6, wherein the side of the acoustic member facing the interior of the cabinet has a plurality of raised portions.

8. The acoustic noise-shielding device of claim 7 wherein the protrusions are pyramidal in shape.

9. The acoustic protector as claimed in claim 6, characterized in that the colour of the acoustic element is adapted to the type of motor pump housed in the tank.

10. The acoustic protector of claim 1, wherein the back plate has an air inlet and an air outlet; the sound insulation protection device further comprises a fan, and the fan is arranged at the air outlet.

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