CN218528639U

CN218528639U - Noise reduction box and cleaning robot

Info

Publication number: CN218528639U
Application number: CN202222796001.4U
Authority: CN
Inventors: 黄俊生; 张志忠; 梁杰
Original assignee: Lingdu Guangdong Intelligent Technology Development Co Ltd
Current assignee: Lingdu Guangdong Intelligent Technology Development Co Ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-02-28
Anticipated expiration: 2032-10-21

Abstract

The utility model relates to a cleaning machines technical field especially relates to a box and cleaning machines people of making an uproar falls. The noise reduction box comprises a box body, a fin assembly and a noise reduction filling layer. The air outlet channel is limited by part of the inner wall of the box body, the box body is provided with the air inlet and the air outlet, the fin assembly is arranged in the air flow channel, a first gap is limited between the fin assembly and the inner wall of the air flow channel, the fin assembly comprises a first fin unit and a second fin unit, a second gap is formed between the first fin unit and the second fin unit, and the noise-eliminating filling layer is arranged in the first gap. The noise reduction box is provided with the fin assembly, a part of gas is guided into the first gap by the fin assembly in the flowing process of the gas, the flow speed of the part of gas is reduced after the part of gas is blocked by the fin assembly, and the noise reduction filling layer is used for reducing the noise of the part of gas; and a part of gas flows in the second gap under the disturbance of the fin assembly, and the disturbance effect of the fin assembly can reduce the gas flow velocity to achieve the effect of reducing noise.

Description

Noise reduction box and cleaning robot

Technical Field

The utility model relates to a cleaning machines technical field especially relates to a box and cleaning machines people of making an uproar falls.

Background

As people pursue safety and convenience of work, people gradually give part of dangerous work to intelligent robots, so that various robots begin to appear, such as high-altitude curtain wall cleaning robots.

High altitude curtain cleaning machines people can produce a large amount of aqueous vapor at the in-process of function, and the gas portion need be taken it out through the fan, and this stage is because the air output is big, and the air-out speed height can produce very big noise problem, causes noise pollution, probably influences personnel's official working in the floor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a box and cleaning machines people of making an uproar fall for cleaning machines people's noise problem among the solution prior art realizes that cleaning machines people uses the travelling comfort.

An embodiment of the first aspect of the utility model provides a noise reduction box, include:

the air outlet channel is defined by part of the inner wall of the box body, an air inlet and an air outlet are formed in the box body, and two ends of the air outlet channel are respectively communicated with the air inlet and the air outlet;

the fin assembly is arranged in the airflow channel, and a first gap is defined between the fin assembly and the inner wall of the airflow channel;

the fin assembly comprises a first fin unit and a second fin unit which are oppositely arranged, and a second gap is formed between the first fin unit and the second fin unit;

and the noise-eliminating filling layer is arranged in the first gap.

According to the utility model provides a pair of box of making an uproar falls, be equipped with joint portion on airflow channel's the inner wall, just first fin unit with at least one in the second fin unit with joint portion joint.

According to the utility model provides a pair of box of making an uproar falls, joint portion is for locating bar structure on airflow channel's the inner wall, joint portion with airflow channel's partial inner wall is injectd the joint space, first fin unit or second fin unit card is located in the joint space.

According to the utility model provides a pair of box of making an uproar falls, first fin unit with second fin unit's structure is the same.

According to the utility model provides a pair of box of making an uproar falls, first fin unit includes:

the frame part is connected with the box body, and a hollow part is arranged in the middle of the frame;

and each fin part is positioned in the hollow part, and two ends of each fin part are connected with the frame part.

According to the utility model provides a pair of box of making an uproar falls, fin portion is the slice, just contained angle between fin portion and the air current flow direction is the acute angle.

According to the utility model provides a pair of box of making an uproar falls, the periphery wall of frame portion has arc guide part.

According to the utility model provides a pair of box of making an uproar falls, be equipped with damping piece in the airflow channel, with the backstop fin subassembly.

According to the utility model provides a pair of box of making an uproar falls, the partial inner wall of box body is injectd a plurality ofly airflow channel, every all be equipped with in the airflow channel fin assembly.

The embodiment of the second aspect of the utility model provides a cleaning robot still, include:

a noise reduction cassette as described above;

and the outlet of the fan is connected to the air inlet of the noise reduction box.

According to the utility model discloses noise reduction box, through setting up relative first fin unit and second fin unit, and set up the second clearance between first fin unit and second fin unit, the gas is in the flow process, and a part of gas is guided to the first clearance by fin subassembly, and after this part of gas was blockked by fin subassembly, its velocity of flow reduced, and the noise reduction filling layer makes an uproar to this part of gas; and a part of gas flows in the second gap under the disturbance of the fin assembly, and the disturbance effect of the fin assembly can reduce the gas flow velocity to achieve the effect of reducing noise.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of a noise reduction box provided by the present invention;

fig. 2 is a schematic diagram of a partial explosion of the noise reduction box provided by the present invention;

fig. 3 is a cross-sectional view of a noise reduction box provided by the present invention;

fig. 4 is a schematic view of a fin assembly provided by the present invention.

Reference numerals:

100. a noise reduction box;

110. a box body; 111. an air inlet; 112. an air outlet; 113. a first gap; 114. a second gap; 115. a clamping part; 117. a first side wall; 118. a second side wall;

120. a fin assembly; 121. a first fin unit; 122. a second fin unit; 123. a frame portion; 124. a fin portion.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

The noise reduction box 100 and the cleaning robot of the present invention will be described with reference to fig. 1 to 4. It should be noted that the cleaning robot can be used for cleaning glass curtain walls, belongs to a high-altitude plane wall cleaning robot, and can also be called a spider man. The cleaning robot is adsorbed on the outer vertical surface of the high-rise building, the multiple cleaning design of brushing, washing and scraping is adopted, the cleaning system is tightly attached to the wall surface, and each piece of glass is cleaned for multiple times.

When the cleaning robot works, the cleaning liquid used by the cleaning robot can be recycled after being recovered and filtered. When the cleaning liquid of the cleaning robot is recovered, the cleaning liquid can be sucked into a specific space or container through the negative pressure device, and the absorbed fluid is a mixture comprising liquid and gas. The recovered mixture needs to pass through a water-gas separation device to separate the cleaning liquid from the gas, and the separated cleaning liquid can be returned to a water tank or other containers so as to be recycled. The gas generates noise during the flowing process, so the noise reduction box 100 can be used for noise reduction.

Referring to fig. 1 and 2, a noise reduction box 100 according to an embodiment of the present invention includes a box body 110, a fin assembly 120, and a noise reduction filling layer.

Specifically, referring to fig. 3, a portion of the inner wall of the box body 110 defines an air outlet channel, an air inlet 111 and an air outlet 112 are formed on the box body 110, and two ends of the air outlet channel are respectively communicated with the air inlet 111 and the air outlet 112. The airflow can enter the airflow channel through the air inlet 111 and then flow out through the air outlet 112. For example, the box body 110 has a first side wall 117 and a second side wall 118 adjacent to each other, the intake vent 111 may be disposed on the first side wall 117, the outtake vent 112 may be disposed on the second side wall 118, and the intake vent 111 is located on the first side wall 117 at a position away from the second side wall 118.

Referring to fig. 3, the fin assembly 120 is disposed in the airflow channel, a first gap 113 is defined between the fin assembly 120 and the inner wall of the airflow channel, and a noise reduction filling layer is disposed in the first gap 113. The fin assembly 120 includes a first fin unit 121 and a second fin unit 122 disposed opposite to each other, with a second gap 114 between the first fin unit 121 and the second fin unit 122. Thus, the air flow can flow in the air flow passage through the second gap 114, and when the air flow passes through the noise reduction filling layer, the first fin units 121 and the second fin units 122, the noise reduction filling layer, the first fin units 121 and the second fin units 122 reduce noise generated when the air flow flows.

According to the noise reduction box 100 of the embodiment of the present invention, by providing the first fin unit 121 and the second fin unit 122 opposite to each other, and providing the second gap 114 between the first fin unit 121 and the second fin unit 122, during the flowing process of the gas, a part of the gas is guided to the first gap 113 by the fin assembly 120, after the part of the gas is blocked by the fin assembly 120, the flow rate of the part of the gas is reduced, and the noise reduction filling layer reduces the noise of the part of the gas; a part of the gas flows in the second gap 114 under the disturbance of the fin assembly 120, and the disturbance effect of the fin assembly 120 can reduce the gas flow rate to achieve the effect of reducing noise.

In some examples, the noise reduction filling layer is made of noise reduction cotton capable of absorbing noise of a specific frequency or a noise reduction material capable of reducing a flow rate of gas, and the material of the noise reduction filling layer is not particularly limited as long as it can achieve the purpose of reducing noise.

According to some embodiments of the present invention, as shown in fig. 2, the inner wall of the airflow channel is provided with a clamping portion 115, and at least one of the first fin unit 121 and the second fin unit 122 is clamped with the clamping portion 115. The first fin unit 121 and the second fin unit 122 are connected with the inner wall of the airflow channel in a clamping mode, so that the first fin unit 121 and the second fin unit 122 are detachably connected with the box body 110, the fin units of the noise reduction box 100 can be replaced conveniently, and the service life of the noise reduction box 100 can be prolonged.

According to the utility model discloses some embodiments, combine fig. 2 and 3 to show, joint portion 115 is for locating the bar structure on airflow channel's the inner wall, and joint portion 115 is injectd the joint space with airflow channel's partial inner wall, and first fin unit 121 or second fin unit 122 card are located in the joint space.

It is understood that the first fin unit 121 and the second fin unit 122 are stably fixed in the airflow passage by the snap-in portions 115. For example, the clamping portion 115 may have a bar structure, and the clamping portion 115 includes two parts, which are respectively a first bar structure and a second bar structure. Wherein, the first bar-shaped structure and the upper inner wall of the box body 110 form a mounting groove for mounting the first fin unit 121, and the second bar-shaped structure and the bottom inner wall of the box body 110 form a mounting groove for mounting the second fin unit 122.

Like this, first fin unit 121 and second fin unit 122 all can be installed in airflow channel through the mounting groove that corresponds to can promote the assembly stability of first fin unit 121 and second fin unit 122, when the gas flow is too fast, can prevent to lead to the fact because of the too big striking of air current impact force takes place between each part in the box 100 of making an uproar falls. In addition, through setting up joint portion 115, can also reduce the joint gap between the part, also reduce the assembly gap between the part promptly, reach the effect that promotes assembly stability, noise reduction.

According to some embodiments of the present invention, the first fin unit 121 and the second fin unit 122 are identical in configuration. As illustrated in fig. 3 and 4, the fin inclination direction of the first fin unit 121 and the fin inclination direction of the second fin unit 122 are mirror-symmetrical, that is, the first fin unit 121 and the second fin unit 122 are assembled in opposite directions. Thus, two application effects can be realized by only designing one die of the fin assembly 120, and better economic benefit is realized.

According to some embodiments of the present invention, as shown in fig. 3 and 4, the first fin unit 121 includes a frame portion 123 and a plurality of fin portions 124. The frame portion 123 is connected to the box body 110, and a hollow portion is formed in the middle of the frame. And a plurality of fin portions 124, each fin portion 124 being located in the hollow portion, and both ends of each fin portion 124 being connected to the frame portion 123. When the gas flow rate is too high, the plurality of fin portions 124 are stably fixed to the frame portion 123, and the fin portions 124 are not easily damaged by high-speed impact of the gas, which results in failure of the noise reduction function.

According to some embodiments of the present invention, as shown in fig. 3 and 4, the fin portion 124 is shaped like a sheet, and the included angle between the fin portion 124 and the airflow flowing direction is an acute angle. The fin portion 124 is formed in a sheet shape, which increases the contact area of the gas with the fin assembly 120, and slows down the gas flow rate. The included angle between the fin part 124 and the airflow flowing direction is an acute angle, and the smaller the included angle is, the more easily the gas is guided to the first gap 113; the larger the angle of the included angle, the greater the number of fin portions 124 placed in a certain space, and the more sufficient the gas flow rate is slowed down, and it will be understood that the preferable angle thereof is related to the design size of the noise reduction box 100. According to some embodiments of the present invention, the peripheral wall of the frame part 123 has an arc-shaped guide part. The arc-shaped guide surface has a guiding function, so that the fin assembly 120 can be conveniently installed in the box body 110.

According to some embodiments of the present invention, a damping member is provided in the airflow path to stop the fin assembly 120. The inner wall of the box body 110 is provided with a damping member, and the damping member and the frame part 123 have a certain frictional resistance, so as to prevent the phenomenon that the connection between the fin group 120 and the box body 110 is lost, i.e. loosened or fallen off, when the gas flow rate is too high.

According to some embodiments of the present invention, as shown in fig. 1 and 2, a plurality of airflow channels are defined by a portion of the inner wall of the box body 110, and a fin assembly 120 is disposed in each airflow channel. The noise reduction box 100 has a plurality of airflow channels, which can make the airflow flow in a partition manner, so as to improve the noise reduction effect of the noise reduction box 100.

According to the utility model discloses some embodiments, it is shown in combination with fig. 3, air intake 111 can be equipped with the connecting pipe rather than being connected on the box body 110, and connected mode can be for threaded connection but not limited to this, and air intake 111 can set up on the great lateral wall of box body upper area, makes things convenient for fixed connection pipe like this, also conveniently fixes box body 110 on cleaning machines people.

The embodiment of the utility model provides a cleaning robot is still provided, it includes the fan and as above fall the box 100 of making an uproar, the exit linkage of fan falls the air intake 111 of box 100 of making an uproar. In which the noise reduction box 100 is installed in a cleaning robot, and exhaust gas of the cleaning robot flows into the noise reduction box 100 by a blower.

The flow process of the exhaust gas flow of the cleaning robot to the noise reduction box 100 is described below:

when the air enters the box body 110 from the air inlet 111 and enters the connecting pipe, the air is blocked after reaching the bottom of the box body 110, and the air flow is diverted to the air flow channel. At this time, the partial gas flow enters the second gap 114, a part of the gas flows to the first gap 113 under the guidance of the multiple fins 124, and the flow rate of the gas is further reduced in the noise elimination filling layer of the first gap 113, so as to achieve the purpose of noise reduction; a part of the gas still flows in the second gap 114, and finally the gas is discharged to the outlet 112 through the first gap 113 and the second gap 114.

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 and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A noise reduction box, comprising:

and the noise-eliminating filling layer is arranged in the first gap.

2. The noise reduction box according to claim 1, wherein a clamping portion is provided on an inner wall of the airflow channel, and at least one of the first fin unit and the second fin unit is clamped with the clamping portion.

3. The noise reduction box according to claim 2, wherein the clamping portion is a strip-shaped structure arranged on the inner wall of the airflow channel, a clamping space is defined by the clamping portion and part of the inner wall of the airflow channel, and the first fin unit or the second fin unit is clamped in the clamping space.

4. The noise reduction box according to claim 1, wherein the first fin unit and the second fin unit are identical in configuration.

5. The noise reduction box according to claim 1, wherein the first fin unit includes:

6. The noise attenuation cassette of claim 5, wherein the fin portion is sheet-shaped and the angle between the fin portion and the direction of airflow is acute.

7. The noise reduction box according to claim 5, wherein an outer peripheral wall of the frame portion has an arc-shaped guide portion.

8. The noise reduction cassette of claim 1, wherein a damper is provided within the airflow passage to stop the fin assembly.

9. The noise reduction cassette of claim 1, wherein portions of the inner wall of the cassette body define a plurality of the airflow channels, each of the airflow channels having the fin assembly disposed therein.

10. A cleaning robot, characterized by comprising:

a noise reduction cassette as defined in any one of claims 1-9;