CN214259195U

CN214259195U - Air duct assembly and floor sweeping robot

Info

Publication number: CN214259195U
Application number: CN202022695929.4U
Authority: CN
Inventors: 杨勇; 宫海涛; 廖佰军; 潘发兰
Original assignee: Shenzhen 3irobotix Co Ltd
Current assignee: Shenzhen 3irobotix Co Ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-09-24
Anticipated expiration: 2030-11-19

Abstract

The utility model provides a wind channel subassembly and robot of sweeping floor. The air duct assembly is applied to the floor sweeping robot and comprises a shell, a fan and a silencing piece, wherein the shell is provided with an air inlet, an air outlet and an air duct communicated with the air inlet and the air outlet, the air duct is provided with a plurality of sections, and the air ducts are arranged on the shell in a bent and circuitous manner; the fan is arranged on the shell and used for guiding airflow to enter from the air inlet, and the airflow passes through the fan and is discharged to the air outlet along the multiple sections of air channels; the silencing piece is arranged in the air duct. The utility model discloses improved the structure of wind channel subassembly, produced noise when having reduced the wind channel subassembly exhaust has alleviateed noise pollution, has promoted user experience.

Description

Air duct assembly and floor sweeping robot

Technical Field

The utility model relates to a robot technical field, in particular to wind channel subassembly and robot of sweeping floor sweeps floor.

Background

With the development of intelligent technology, smart homes gradually enter thousands of households, various automatic floor sweeping robots continuously emerge, and great convenience is brought to users. The existing sweeping robot generally comprises a machine body, a driving wheel, a dust collector, a fan, a rolling brush, an edge brush, a dust box, a complete machine control system and the like. The sweeping robot mainly works in a mode that dust is sucked into the dust box along with air flow through the rolling brush and the dust collector, and the air flow in the dust box is discharged outwards through the air outlet duct so as to leave the dust in the dust box. When the air flow is discharged outwards through the air outlet duct, the generated noise value is large and even can reach more than 80dB, so that the use of the user is influenced, and certain influence is caused on the body health of the user. Therefore, how to manufacture a low-noise floor sweeping robot becomes a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a wind channel subassembly, produced noise when aiming at reducing the wind channel subassembly exhaust alleviates noise pollution, promotes user experience.

In order to achieve the above object, the present invention provides an air duct assembly, which is applied to a floor sweeping robot, and comprises a housing, a fan and a noise reduction member, wherein the housing is provided with an air inlet, an air outlet and an air duct communicating the air inlet and the air outlet, the air duct has multiple segments, and the multiple segments of the air duct are arranged on the housing in a bending and circuitous manner; the fan is arranged on the shell and used for guiding airflow to enter from the air inlet, and the airflow passes through the fan and is discharged to the air outlet along the multiple sections of air channels; the silencing piece is arranged in the air duct.

Optionally, the air duct includes a first air outlet section, a transition section and a second air outlet section that are connected in sequence, the first air outlet section is communicated with an outlet of the fan, the second air outlet section is communicated with the air outlet, the first air outlet section is extended in a direction that the outlet of the fan faces away from the fan, the second air outlet section is extended in a direction that the transition section faces towards the fan, and the silencing piece is arranged in the transition section.

Optionally, the width of the transition section is greater than the width of the first outlet section.

Optionally, the transition section is arranged in a gradually expanding manner in a direction away from the first air outlet section.

Optionally, the length of the second air outlet section is greater than the length of the transition section.

Optionally, the sound-absorbing member is a sound-absorbing sponge, and the transition section is filled with the sound-absorbing member.

Optionally, the casing includes a casing body and a casing cover detachably connected to the casing body, the casing body and the casing cover cooperate to form the air duct, the casing body is provided with an accommodating cavity, the fan is installed in the accommodating cavity, the air duct assembly further includes an air guide frame disposed between the fan and the air inlet, the air guide frame is detachably connected to the casing body, and an inlet of the fan is communicated with the air inlet through the air guide frame.

Optionally, the air duct assembly further includes a sealing ring, and the sealing ring is located between the air guide frame and the inner wall of the casing at the air inlet.

Optionally, the air duct assembly further comprises a shock pad, the shock pad is arranged in the accommodating cavity, and the fan is mounted on the shock pad.

The utility model also provides a robot of sweeping floor, the robot of sweeping floor includes the wind channel subassembly as above, the wind channel subassembly includes casing, fan and amortization piece, the casing is equipped with air intake, air outlet and communicates the wind channel of air intake and air outlet, the wind channel has the multistage, the multistage wind channel is the circuitous arrangement of buckling on the casing; the fan is arranged on the shell and used for guiding airflow to enter from the air inlet, and the airflow passes through the fan and is discharged to the air outlet along the multiple sections of air channels; the silencing piece is arranged in the air duct.

The technical scheme of the utility model, through setting up the casing, fan and amortization piece, the casing is equipped with the air intake, the air outlet and the wind channel that communicates air intake and air outlet, the wind channel has the multistage, multistage wind channel is the circuitous distribution of buckling on the casing, the fan is located on the casing, the fan is used for guiding the air current to enter from the air intake, the air current is discharged to the air outlet along multistage wind channel behind the fan, the multistage wind channel makes the length of wind channel longer, multistage wind channel is the circuitous distribution of buckling, make the noise that the air current flows and produce reflect in the wind channel, the noise can attenuate gradually, thereby realized the function of making an uproar; the air channels are arranged in a bent and circuitous manner, so that a streamline air outlet form can be formed in the air channels, air flow is smoother when passing through the streamline air channels, the phenomenon of high noise caused by wind whistling generated by direct blowing of the air flow is avoided, and the function of noise reduction is realized; meanwhile, the silencing piece is arranged in the air duct and can effectively absorb noise generated by the air duct assembly, so that the noise reduction function is further realized; and, the multistage wind channel has effectively prolonged the contact length with amortization piece when the air current flows to the effect of making an uproar is fallen in the amortization has been improved. Therefore, the utility model discloses a produced noise when wind channel subassembly can reduce its exhaust alleviates noise pollution, promotes user experience.

Drawings

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

Fig. 1 is a schematic structural diagram of an embodiment of an air duct assembly according to the present invention;

FIG. 2 is a schematic diagram of the structure of FIG. 1 from another perspective;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2;

FIG. 4 is a schematic exploded view of the structure of FIG. 3;

FIG. 5 is a schematic structural view of the housing body of FIG. 4;

fig. 6 is a schematic structural diagram of the structure in fig. 5 from another view angle.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Shell body	116	Mounting cavity
110	Shell body	120	Shell cover
				111	Air inlet	200	Fan blower
112	Air outlet	300	Air guide frame
				113	Air duct	310	Upper air guide frame
1131	First air outlet section	320	Lower air guide frame
				1132	Transition section	400	Sealing ring
1133	Second air outlet section	500	Shock pad
				114	Containing cavity	510	Upper shock pad
115	Mounting cavity	520	Lower shock pad

The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.

Detailed Description

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

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The floor sweeping robot is also called an automatic sweeper, an intelligent dust collection robot, a dust collector and the like, is one of intelligent household appliances, and can automatically complete floor cleaning work in a room by means of certain artificial intelligence. Generally, the floor cleaning machine adopts a brushing and vacuum mode, and firstly absorbs the impurities on the floor into the garbage storage box, so that the function of cleaning the floor is achieved. The sweeping robot is operated remotely by a remote controller or by an operation panel on a machine body, and the machine body is mainly of a disc type. The rechargeable battery is used for operation, and generally, the time can be set for cleaning in a reserved mode, and the rechargeable battery can be charged automatically. The sensor is arranged in front of the system, can detect obstacles, can automatically turn when the sensors touch a wall or other obstacles, can walk different routes according to the setting of different programs of the system, and can clean the area in a planned place. The sweeping robot can generate noise when exhausting air, so that the use of a user is influenced, and certain influence is also caused on the body health of the user.

In order to reduce noise, the utility model provides a wind channel subassembly is applicable to the robot of sweeping the floor, and produced noise when this wind channel subassembly can reduce its exhaust alleviates noise pollution, promotes user experience.

Referring to fig. 1 to 4, in an embodiment of the air duct assembly of the present invention, the air duct assembly is applied to a floor sweeping robot, and the air duct assembly includes a housing 100, a blower 200 and a noise reduction member, wherein the housing 100 is provided with an air inlet 111, an air outlet 112 and an air duct 113 communicating the air inlet 111 and the air outlet 112, the air duct 113 has multiple segments, and the multiple segments of the air duct 113 are arranged on the housing 100 in a winding and circuitous manner; the fan 200 is arranged on the shell 100, the fan 200 is used for guiding airflow to enter from the air inlet 111, and the airflow passes through the fan 200 and then is discharged to the air outlet 112 along the multi-section air duct 113; a silencer (not shown) is provided in the air duct 113.

Specifically, the housing 100 may have a variety of shapes, such as, but not limited to: circular or square. In this embodiment, the air inlet 111 is circular, and may be disposed on an outer wall of the housing 100, or the middle of the housing 100 is provided with an installation cavity 115, the installation cavity 115 may be used for installing a dust box, the air inlet 111 is disposed on an inner wall of the installation cavity 115, and the air inlet 111 may be communicated with the dust box; the air outlet 112 is arranged on the outer wall of the casing 100, the air duct 113 is arranged in the casing 100, the fan 200 is also arranged on the casing 100, the fan 200 has stronger suction force when working, air flow can be sucked from the air inlet 111, the sucked air flow is discharged from the outlet of the fan 200 after passing through the inlet of the fan 200, and the discharged air flow is discharged from the air outlet 112 to the outside of the casing 100 along the air duct 113, so that the air duct assembly has the function of exhausting air.

Further, the air duct 113 may be formed by enclosing the inner wall of the casing 100 and a partition board protruding from the casing 100, or may be formed by enclosing the partition board and the partition board; the multistage wind channel 113 then can be enclosed by the polylith baffle and close the formation, perhaps polylith baffle and casing 100 enclose jointly and close the formation, and the polylith baffle connects gradually and is the circuitous arranging of buckling, and the relative interval setting of polylith baffle to form the wind channel 113 of circuitous arranging of buckling. The width and length of the air duct 113 may be designed according to needs, and are not limited herein. In addition, the amortization piece can adopt the better amortization sponge of gas permeability or materials such as non-woven fabrics, and the amortization piece has the function of amortization, can absorb the noise, and the wind channel 113 can be filled up as required to the amortization piece, perhaps partly fills in wind channel 113, specifically sets up as required.

The technical scheme of the utility model, through setting up casing 100, fan 200 and amortization piece, casing 100 is equipped with air intake 111, air outlet 112 and the wind channel 113 that communicates air intake 111 and air outlet 112, wind channel 113 has the multistage, multistage wind channel 113 is the circuitous distribution of buckling on casing 100, fan 200 is located on casing 100, fan 200 is used for guiding the air current to get into from air intake 111, the air current discharges to air outlet 112 along multistage wind channel 113 behind fan 200, multistage wind channel 113 makes the length of wind channel 113 longer, multistage wind channel 113 is the circuitous distribution of buckling, make the produced noise of air current flow reflect in wind channel 113, the noise can attenuate gradually, thereby the function of making an uproar is fallen in the realization; moreover, the air duct 113 is bent and roundly arranged, so that a streamline air outlet form can be generated in the air duct 113, the air flow is smoother when passing through the streamline air duct 113, the phenomenon of high noise caused by wind and whistle generated by direct blowing of the air flow is avoided, and the noise reduction function is realized; meanwhile, the silencing piece is arranged in the air duct 113, and can effectively absorb noise generated by the air duct assembly, so that the noise reduction function is further realized; moreover, the multi-section air duct 113 effectively prolongs the contact length of the air flow with the noise reduction part when flowing, thereby improving the noise reduction effect. Therefore, the utility model discloses a produced noise when wind channel subassembly can reduce its exhaust alleviates noise pollution, promotes user experience.

Referring to fig. 1 to 3, in an embodiment, the casing 100 includes a casing body 110 and a casing cover 120 detachably connected to the casing body 110, the casing body 110 and the casing cover 120 cooperate to form an air duct 113, the casing body 110 is provided with an accommodating cavity 114 (as shown in fig. 4 and 5), the blower 200 is installed in the accommodating cavity 114, the air duct assembly further includes an air guiding frame 300 disposed between the blower 200 and the air inlet 111, the air guiding frame 300 is detachably connected to the casing body 110, and an inlet of the blower 200 is communicated with the air inlet 111 through the air guiding frame 300.

Specifically, the housing cover 120 may cover the housing body 110, and the housing cover 120 and the housing body 110 may be connected by a bolt structure or a snap structure, which is not limited herein. Air guide frame 300 is arranged between shell body 110 and shell cover 120, a mounting groove 116 is formed between shell body 110 and shell cover 120, air guide frame 300 is arranged in mounting groove 116, an inlet and an outlet are formed in air guide frame 300, the inlet of air guide frame 300 is arranged at air inlet 111 of shell 100, the outlet of air guide frame 300 is communicated with the inlet of fan 200, so that air flow can directly enter the inlet of fan 200 from the inlet of air guide frame 300, the condition that air flow is exhausted outside air guide frame 300 to influence the air flow exhaust effect is avoided, and the reliability of the air duct assembly is improved.

Further, the air-guiding frame 300 is disposed in a hollow manner, and the air-guiding frame 300 includes an upper air-guiding frame 310 and a lower air-guiding frame 320, so that the air-guiding frame 300 can be conveniently processed, and the upper air-guiding frame 310 and the lower air-guiding frame 320 can be connected by a snap or a bolt structure, which is not limited herein. The inner wall of the air guide frame 300 is in arc transition, and the air guide frame 300 is beneficial to guiding air flow, so that the air flow circulation efficiency is improved.

Referring to fig. 4 to 6, in an embodiment, the air duct 113 includes a first air outlet section 1131, a transition section 1132 and a second air outlet section 1133 connected in sequence, the first air outlet section 1131 is communicated with an outlet of the fan 200, the second air outlet section 1133 is communicated with the air outlet 112, the first air outlet section 1131 extends from the outlet of the fan 200 toward a direction away from the fan 200, the second air outlet section 1133 extends from the transition section 1132 toward a direction close to the fan 200, and the noise reduction element is disposed in the transition section 1132.

Specifically, the air duct 113 is disposed on the casing body 110, the air duct 113 may be formed by enclosing a plurality of partition boards, in this embodiment, the casing body 110 is provided with a plurality of partition boards, including a first partition board, a second partition board, a third partition board, a fourth partition board and a fifth partition board, the first partition board and the first partition board are spaced to form a first air outlet section 1131 of the air duct 113, the second partition board is connected to the third partition board, the third partition board and the fourth partition board are spaced to form a transition section 1132 of the air duct 113, the fourth partition board is connected to the first partition board, the fifth partition board and the casing of the casing body 110 are spaced to form a second air outlet section 1133 of the air duct 113, the air outlet 112 is disposed on the casing of the casing body 110, the casing cover 120 covers the casing body 110, the partition boards abut against the inner wall of the casing cover 120, the outlet of the fan 200 is communicated with the air duct 113, the air flow enters the air duct 113 from the outlet of the fan 200, and is discharged to the air outlet 112 along the air duct 113 formed by enclosing the plurality of partition boards, and further realize the function that the wind channel subassembly was aired exhaust.

Further, first baffle and second baffle are convex rectangular form setting, so that first air-out section 1131 also is circular-arc, the fifth baffle also is circular-arc rectangular form setting, and the shell of shell body 110 also is circular-arc, make second air-out section 1133 also be circular-arc, the baffle that is circular-arc setting is favorable to wind channel 113 to be streamlined, the air current is more smooth and easy when passing through streamlined wind channel 113, and simultaneously, first air-out section 1131 is extended towards the direction of keeping away from fan 200 by the export of fan 200, second air-out section 1133 is extended towards the direction of being close to fan 200 by changeover portion 1132, first air-out section 1131 and second air-out section 1133's interval is less, make arranging of wind channel 113 in shell body 110 compacter like this, be favorable to practicing thrift the space.

Further, still be equipped with installation cavity 115 on shell body 110, installation cavity 115 is enclosed by first baffle and shell body 110 and closes and form, second baffle, third baffle and fifth baffle still enclose and close and form mounting groove 116, installation cavity 115 is located shell body 110's centre, mounting groove 116 is located between shell body 110's the conch wall and installation cavity 115, installation cavity 115 can supply the dust box installation of robot of sweeping the floor, holding chamber 114 can supply fan 200 to install, mounting groove 116 can supply the installation of power control device, can control fan 200 work through electric control device. In addition, the setting of amortization spare is in changeover portion 1132, and changeover portion 1132 is located the one side of keeping away from fan 200, and the noise that the amortization spare can produce fan 200 and the noise that the air current flows the production is absorbed, and then has realized the function of making an uproar.

Referring to fig. 4 to 6, in an embodiment, the width of the transition portion 1132 is greater than the width of the first air outlet portion 1131. So set up for wind channel 113 is narrow wind channel 113 in the one end that is close to the export of fan 200, is favorable to gathering the export exhalant of fan 200 like this, and the wide wind channel 113 is formed to the air current flow to behind the changeover portion 1132, is favorable to reducing the wind speed like this, thereby has reached the purpose of making an uproar.

Further, the transition portion 1132 is disposed in a direction away from the first air outlet portion 1131 in a gradually expanding manner. So set up, make changeover portion 1132 be loudspeaker form setting to because first air-out section 1131 is the circuitous arranging of buckling with changeover portion 1132, changeover portion 1132 is loudspeaker form and has ensured the stability of air current circulation, can also reduce the wind speed, and the condition of having avoided the air current to produce the noise when the wind channel 113 of buckling takes place, has improved the reliability of wind channel subassembly.

Further, the amortization piece is the amortization sponge, and the transition piece 1132 is filled with to the amortization piece. So set up, when the air current passes through changeover portion 1132, because changeover portion 1132 is the gradually-expanding setting in the direction of keeping away from first air-out section 1131, changeover portion 1132 is with first air-out section 1131 and buckles and arranges, has effectively prolonged the air current when flowing with the contact length of amortization sponge like this to the effect of making an uproar is fallen in the amortization has been improved. It can be understood that the internal structure of the sound-deadening sponge is in a mesh shape, and after sound is transmitted to the surface of the sound-deadening sponge, part of the sound is reflected, part of the sound is transmitted through the material, and the other part of the sound is lost when the sound is rubbed with the surrounding medium when the sound is transmitted due to the vibration of the material, so that the sound-deadening structure is formed.

Further, the length of the second air outlet section 1133 is greater than the length of the transition section 1132. So set up, communicate with air outlet 112 at second air-out section 1133 and by under the condition that changeover portion 1132 orientation is close to fan 200 orientation extension for air outlet area greatly increased of air outlet 112 has reduced the wind speed like this, is favorable to the discharge of air current, thereby reaches the purpose of making an uproar.

Referring to fig. 3 and 4, in an embodiment, the air duct assembly further includes a sealing ring 400, and the sealing ring 400 is located between the air guiding frame 300 and the inner wall of the housing 100 at the air inlet 111. So set up, when the air current got into wind-guiding frame 300 along air intake 111, sealing washer 400 can seal the clearance between casing 100 and the wind-guiding frame 300, has avoided the air current to take place from the condition that the clearance between the two got into in the casing 100, has ensured the stability of air current circulation, and then has improved the reliability of wind channel subassembly.

Further, the air duct assembly further includes a shock pad 500, the shock pad 500 is disposed in the accommodating cavity 114, and the fan 200 is mounted on the shock pad 500. Shock pad 500 can include shock pad 510 and lower shock pad 520, goes up the upper and lower both ends that fan 200 was located respectively to shock pad 510 and lower shock pad 520, goes up the shape of shock pad 510 and lower shock pad 520 and the appearance adaptation of fan 200 and hugs closely fan 200, so set up to reduce the produced noise of fan 200 during operation, and then reach the mesh of making an uproar that falls in the amortization, soft materials such as flexible glue can be adopted to the material of shock pad 500.

The utility model also provides a robot of sweeping floor, this robot of sweeping floor include the wind channel subassembly, and the concrete structure of this wind channel subassembly refers to above-mentioned embodiment, because the utility model provides a robot of sweeping floor includes all schemes of all embodiments of above-mentioned wind channel subassembly, consequently, have at least with the same technological effect of wind channel subassembly, the explanation differs here.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides an air duct assembly, is applied to the robot of sweeping the floor, its characterized in that, air duct assembly includes:

the air duct is provided with a plurality of sections, and the plurality of sections of air ducts are arranged on the shell in a bent and circuitous manner;

the fan is arranged on the shell and used for guiding airflow to enter from the air inlet, and the airflow passes through the fan and is discharged to the air outlet along the multiple sections of air channels; and

the silencing piece is arranged in the air duct.

2. The air duct assembly according to claim 1, wherein the air duct includes a first air outlet section, a transition section, and a second air outlet section, which are connected in sequence, the first air outlet section is communicated with the outlet of the fan, the second air outlet section is communicated with the air outlet, the first air outlet section extends from the outlet of the fan towards a direction away from the fan, the second air outlet section extends from the transition section towards a direction close to the fan, and the noise reduction member is disposed in the transition section.

3. The air duct assembly of claim 2, wherein the transition section has a width greater than a width of the first outlet section.

4. The air duct assembly of claim 2, wherein the transition section is disposed to diverge in a direction away from the first outlet section.

5. The air duct assembly of claim 2, wherein the length of the second air outlet section is greater than the length of the transition section.

6. The air duct assembly of claim 4, wherein the sound attenuating member is a sound attenuating sponge, the sound attenuating member filling the transition section.

7. The air duct assembly according to claim 1, wherein the casing includes a casing body and a casing cover detachably connected to the casing body, the casing body and the casing cover cooperate to form the air duct, a receiving cavity is provided on the casing body, the blower is installed in the receiving cavity, the air duct assembly further includes an air guide frame disposed between the blower and the air inlet, the air guide frame is detachably connected to the casing body, and an inlet of the blower is communicated with the air inlet through the air guide frame.

8. The air duct assembly of claim 7, further comprising a sealing ring positioned between the air-guide frame and an inner wall of the housing at the air inlet.

9. The air duct assembly of claim 7, further comprising a shock pad disposed within the receiving cavity, wherein the fan is mounted on the shock pad.

10. A sweeping robot, characterized in that the sweeping robot comprises the air duct assembly according to any one of claims 1 to 9.