CN215695254U

CN215695254U - Air duct structure, atomizer and disinfection robot

Info

Publication number: CN215695254U
Application number: CN202022980232.1U
Authority: CN
Inventors: 温伟林; 张涛; 何源
Original assignee: Shenzhen Pudu Technology Co Ltd
Current assignee: Shenzhen Pudu Technology Co Ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2022-02-01
Anticipated expiration: 2030-12-10
Also published as: WO2022121675A1

Abstract

The utility model belongs to the technical field of atomizers, and particularly relates to an air duct structure, an atomizer and a disinfection robot. The air channel structure comprises a fan, an air channel pipe provided with a flow channel through hole and a liquid storage tank provided with an atomization space, wherein the air channel pipe is communicated with the atomization space; the air duct pipe is provided with a mounting hole used for mounting the fan and communicating the flow passage through hole, and the air duct pipe is provided with an annular backflow groove used for preventing condensate from flowing back to the fan on the inner wall of the mounting hole joint or the inner wall of the mounting hole. In the utility model, the noise generated by the air channel structure is low, and the energy utilization rate and the user experience of the atomizer are improved.

Description

Air duct structure, atomizer and disinfection robot

Technical Field

The utility model belongs to the technical field of atomizers, and particularly relates to an air duct structure, an atomizer and a disinfection robot.

Background

The ultrasonic atomizer is an important component of a disinfection robot, and can provide water mist to adjust the humidity of air or provide disinfection water mist to disinfect the air, the ultrasonic atomizer takes water or disinfection liquid as a medium to convert electric energy into mechanical energy through ultrasonic waves, the mechanical energy can enable the water or the disinfection liquid to generate atomized particles, and the atomized particles are sprayed out from a spray opening of the ultrasonic atomizer to achieve the effect of purifying the air. Ultrasonic atomizers typically use bottom air supply to fly the atomized particles from the top. In order to avoid the backflow of the condensate inside the ultrasonic atomizer into the fan, the ultrasonic atomizer generally adopts a centrifugal fan side air outlet mode, but the noise of the centrifugal fan is high, and the energy efficiency ratio is low, so that the user experience of the ultrasonic atomizer is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an air channel structure, an atomizer and a disinfection robot, aiming at the technical problems of high noise, low energy efficiency ratio and the like of an ultrasonic atomizer in the prior art.

In view of the above technical problems, an embodiment of the present invention provides an air duct structure, including a fan, an air duct pipe provided with a flow passage through hole, and a liquid storage tank provided with an atomization space, wherein the air duct pipe is connected to the liquid storage tank, and the flow passage through hole is communicated with the atomization space;

the air duct pipe is provided with a mounting hole used for mounting the fan and communicating the flow passage through hole, and the air duct pipe is arranged on the inner wall of the joint of the mounting hole or on the inner wall of the mounting hole and used for preventing condensate from flowing back to the annular backflow groove of the fan.

The air duct pipe is provided with a mounting hole used for mounting the fan and communicating the flow passage through hole, and the air duct pipe is provided with an annular backflow groove used for preventing condensate from flowing back to the fan on the inner wall of the mounting hole joint or the inner wall of the mounting hole.

Optionally, an included angle between a main flow direction of the air flow provided by the fan and a main extending direction of the air duct pipe is an acute angle.

Optionally, the annular backflow groove is annularly arranged around the mounting hole, and an opening of the annular backflow groove faces to one end away from the fan.

Optionally, the liquid storage box includes the outer tube and installs wind channel roof and wind channel bottom plate at the relative both ends of outer tube, the outer tube the wind channel roof and enclose the city between the wind channel bottom plate atomizing space, be equipped with on the wind channel bottom plate connect the through-hole.

Optionally, the liquid storage tank includes an outer tube, and an air duct top plate and an air duct bottom plate installed at opposite ends of the outer tube, and the atomization space is enclosed among the outer tube, the air duct top plate and the air duct bottom plate; the air duct bottom plate is provided with a connecting through hole which is connected with the air duct pipe in a sealing mode, and one end of the air duct pipe penetrates through the connecting through hole and stretches into the atomization space.

Optionally, the air duct top plate is provided with a spray nozzle communicated with the atomization space, and an annular concave part extending into the flow passage through hole.

Optionally, the air duct top plate is further provided with an annular flow guide portion for guiding the condensate on the air duct top plate into the atomization space.

Optionally, an expansion cavity communicated with the flow passage through hole is further arranged on the air duct pipe, and the expansion cavity is arranged opposite to the mounting hole.

The utility model further provides an atomizer which comprises the air duct structure.

Optionally, the nebulizer further comprises at least one ultrasonic nebulizing device mounted at the bottom of the liquid storage tank.

Optionally, the atomizer further comprises a connecting tube and a liquid pump for delivering liquid into the atomization space; the liquid storage tank is further provided with a connecting hole, one end of the connecting pipe is communicated with the connecting hole, and the other end of the connecting pipe is connected with the liquid pump.

The utility model further provides a disinfection robot, which comprises the atomizer.

In the utility model, the air duct pipe is connected with the liquid storage tank, and the flow passage through hole is communicated with the atomization space; the air duct pipe is provided with a mounting hole which is used for mounting the fan and is communicated with the flow passage through hole, and the inner wall of the joint of the air duct pipe and the mounting hole or the inner wall of the mounting hole is provided with an annular backflow groove which is used for preventing condensate from flowing back to the fan; in the working process of the atomizer, the atomized particles in the atomization space form condensate on the inner wall of the flow passage through hole and flow downwards, and the annular backflow groove on the inner wall of the mounting hole can prevent the condensate from flowing into the fan, so that the practical service life of the atomizer is prolonged; in addition, the air channel structure does not need to be provided with an eccentric fan, so that the noise of the atomizer is reduced, and the energy utilization rate and the user experience of the atomizer are improved.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a cross-sectional view of a leakage reduction provided by an embodiment of the present invention;

FIG. 2 is a schematic view of a leakage reduction structure provided by an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a sterilization robot according to an embodiment of the present invention.

The reference numerals in the specification are as follows:

1. an air duct structure; 11. a fan; 12. an air duct pipe; 121. a flow passage through hole; 122. mounting holes; 1221. An annular reflux tank; 123. a return port; 124. expanding the cavity; 13. a liquid storage tank; 131. an atomization space; 132. an outer tube; 133. a duct top plate; 1331. a spray nozzle; 1332. an annular recess; 1333. An annular flow guide portion; 134. an air duct bottom plate; 2. an ultrasonic atomization device; 10. an atomizer; 3. and (5) disinfecting the robot.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "middle", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 and fig. 2, an air duct structure 1 according to an embodiment of the present invention includes a fan 11, an air duct 12 having a flow passage hole 121, and a liquid storage tank 13 having an atomization space 131; the air duct 12 is connected to the liquid storage tank 13, and the flow passage through hole 121 is communicated with the atomization space 131; it can be understood that one end of the air duct 12 can be inserted into the atomizing space 131, thereby achieving the technical effect that the flow passage through hole 121 is communicated with the atomizing space 131. Preferably, the air duct 12 has a bent pipe structure designed according to the flow of the air duct 12 into the atomization space 131, and the bent pipe structure of the air duct 12 improves the efficiency of the air flow into the atomization space 131 in the flow passage through hole 12.

Be equipped with on the air duct pipe 12 and be used for the installation fan 11 and intercommunication the mounting hole 122 of runner through-hole 121, air duct pipe 12 with on the inner wall of mounting hole 122 junction or be equipped with on the inner wall of mounting hole 122 and be used for preventing the condensate backward flow extremely annular backward flow groove 1221 of fan 11. It can be understood that the annular backflow groove 1221 may be disposed on the inner wall of the mounting hole 122 according to actual requirements, or may be disposed on the inner wall where the air duct 12 is connected to the mounting hole 122; the fan 11 can supply and discharge air into and from the atomizing space 131 through the mounting hole 122 and the flow passage hole 121.

Specifically, the liquid in the atomizing space 131 is converted into atomized particles by the ultrasonic atomizing device 2, the fan 11 blows air into the atomizing space 131 through the flow passage through hole 121, and the atomized particles are sprayed to the external environment from the spray opening 1331 of the atomizer 10, thereby achieving the technical effect of humidifying and purifying the external environment air.

Alternatively, if the liquid is a disinfecting liquid, the atomized particles can be sprayed from the spray opening 1331 of the atomizer 10 to the external environment, which can perform the disinfecting function.

In the present invention, the air duct 12 is connected to the liquid storage tank 13, and the flow passage through hole 121 is communicated with the atomization space 131; the air duct pipe 12 is provided with a mounting hole 122 for mounting the fan 11 and communicating with the flow passage through hole 121, and an annular backflow groove 1221 for preventing condensate from flowing back to the fan 11 is arranged on the inner wall of the joint of the air duct pipe 12 and the mounting hole 122 or the inner wall of the mounting hole 122; during the operation of the atomizer 10, the atomized particles in the atomizing space 131 may form condensate on the inner wall of the flow passage through hole 121 and flow downward under the action of gravity, and the annular backflow groove 1221 on the inner wall of the mounting hole 122 can prevent the condensate from flowing into the fan 11, thereby prolonging the service life of the atomizer 10; in addition, the air duct structure 1 does not need to be provided with the eccentric fan 11, so that the noise of the atomizer 10 is reduced, and the energy utilization rate and the user experience of the atomizer 10 are improved.

In one embodiment, as shown in fig. 1, an included angle α between a main flow direction of the airflow provided by the fan 11 and a main extending direction of the air duct 12 is an acute angle (e.g., 70 degrees, 60 degrees, 50 degrees, etc.). In a working state, a main extending direction of the air duct 12 is a perpendicular line direction, that is, an included angle between the center line of the mounting hole 122 and the perpendicular line is an acute angle, that is, an included angle α between the center line of the mounting hole 122 and the main extending direction of the flow path through hole 121 is an acute angle. It can be understood that an included angle α between the main flow direction of the air flow provided by the fan 11 and the main extending direction of the air duct 12 is an acute angle, so that the condensate on the inner wall of the flow passage through hole 121 can be prevented from flowing into the fan 11 from the mounting hole 122 along the inner wall of the flow passage through hole 121, the safety of the atomizer 10 is improved, and the service life of the atomizer 10 is prolonged.

In one embodiment, as shown in fig. 1, the annular backflow groove 1221 is disposed around the circumference of the mounting hole 122, and the opening of the annular backflow groove 1221 faces the end facing away from the fan 11. It can be understood that the annular backflow groove 1221 is an annular structure, that is, the connection between the fan 11 and the air duct 12 is provided with the annular backflow groove 122, so that the condensate can be prevented from flowing into the fan 11 from the inner wall around the flow passage through hole 121, and in addition, the opening of the annular backflow groove 1221 faces the end away from the fan 11, so that the condensate collected by the annular backflow groove 1221 can flow into the flow passage through hole 1221, and cannot flow into the fan 11 through the mounting hole 122, thereby further improving the service life of the fan 11.

In one embodiment, as shown in fig. 1, the liquid storage tank 13 includes an outer tube 132, and a top plate 133 and a bottom plate 134 installed at opposite ends of the outer tube 132, the atomizing space 131 is enclosed among the outer tube 132, the top plate 133 and the bottom plate 134, and the bottom plate 134 is provided with the connecting through hole. It is understood that the duct top plate 133 and the duct bottom plate 134 are respectively installed at the upper and lower ends of the outer tube 132; in the present invention, the liquid storage tank 13 has a block structure, and is simple in structure and low in manufacturing cost.

The air duct bottom plate 134 is provided with a connecting through hole which is connected with the air duct pipe 12 in a sealing manner, and one end of the air duct pipe 12 penetrates through the connecting through hole and extends into the atomization space 131. It will be appreciated that the connection through-hole is in sealing connection with the outer wall of the duct tube 12. In the utility model, the air duct structure 1 is simple in structure and convenient to install.

In an embodiment, as shown in fig. 1, the air duct top plate 133 is provided with a spray opening 1331 communicating with the atomizing space 131, and an annular recess 1332 extending into the flow passage through hole 121. It can be understood that the annular recess 1332 not only can make the wind air in the runner through hole 121 blow the atomized particles in the atomization space downwards along the inner wall of the annular recess 1332; the condensate on the top plate of the flow channel can drop into the flow channel through hole 121 along the annular depression 1332, and cannot drop onto the inner wall of the flow channel through hole 121, so that the safety of the atomizer 10 is improved, and the service life of the atomizer 10 is prolonged.

In one embodiment, as shown in fig. 1, the duct ceiling 133 is further provided with an annular guiding portion 1333 for guiding the condensate on the duct ceiling 133 into the atomization space 131. As can be appreciated, the annular guide 1333 is located outside the annular recess 1332; and the annular guiding portion 1333 may be a protrusion portion provided on the duct top plate 133 and protruding toward the atomizing space 131. Specifically, the condensate on the air duct top plate 133 drops into the atomizing space 131 under the action of the annular flow guide portion 1333, so that the condensate on the air duct top plate 133 is prevented from dropping into the flow passage through hole 121, the safety of the atomizer 10 is improved, and the service life of the atomizer 10 is prolonged.

In an embodiment, as shown in fig. 1, a return opening 123 communicating with the flow passage through hole 121 is further disposed at an end of the duct pipe away from the duct top plate 133. It is understood that the condensate in the flow passage space may flow into the return port 123 along the inner wall of the flow passage through hole 121 and flow out from the return port 123.

In an embodiment, as shown in fig. 1, the duct pipe 12 is further provided with an enlarged cavity 124 communicating with the flow passage through hole 121, and the enlarged cavity 124 is disposed opposite to the mounting hole 122. It can be understood that the aperture of the expansion cavity 124 is larger than the aperture of the flow passage hole 121, and the air blown by the fan 11 firstly buffers through the expansion cavity 124 and then flows into the atomization space 131 through the flow passage hole 121. In the present invention, the enlarged cavity 124 is designed to allow air to smoothly flow through the flow passage hole 121.

As shown in fig. 2, another embodiment of the present invention further provides an atomizer 10, which includes the air duct structure 1.

In one embodiment, as shown in fig. 2, the atomizer 10 further comprises at least one ultrasonic atomizing device 2 mounted at the bottom of the liquid storage tank 13. It is understood that the bottom of the liquid storage tank 13 may be provided with a plurality of ultrasonic atomization devices 2 (e.g., 2, 4, 6, etc.), and the ultrasonic atomization devices 2 may change the liquid in the atomization space 131 into atomized particles.

In one embodiment, as shown in fig. 1, the atomizer 10 further comprises a connecting tube (not shown) and a liquid pump (not shown) for delivering liquid into the atomizing space 131; and a connecting hole is also formed in the liquid storage tank 13, one end of the connecting pipe is communicated with the connecting hole, and the other end of the connecting pipe is connected with the liquid pump. It is understood that the end of the liquid pump away from the connection pipe is connected to a water storage tank, from which water can be sucked from the water storage tank and transported to the atomization space 131 through the communication pipe.

As shown in fig. 3, another embodiment of the present invention further provides a sterilization robot 3, and the sterilization robot 3 further includes the atomizer 10 in any of the above embodiments. Alternatively, the sterilization robot 3 may be used to sterilize a predetermined area by spraying. Specifically, the sterilizing water may be assembled and atomized by the atomizer 10 to form atomized particles, which sterilize the air after being dispersed therein.

The present invention is not limited to the above embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An air channel structure is characterized by comprising a fan, an air channel pipe and a liquid storage box, wherein the air channel pipe is provided with a flow channel through hole, the liquid storage box is provided with an atomization space, the air channel pipe is connected with the liquid storage box, and the flow channel through hole is communicated with the atomization space;

2. An air duct structure according to claim 1, wherein an angle between a main flow direction of the air flow provided by the fan and a main extending direction of the air duct pipe is an acute angle.

3. The air duct structure according to claim 1, wherein the annular return groove is provided around a circumference of the mounting hole, and an opening of the annular return groove faces an end facing away from the fan.

4. The air duct structure according to claim 1, wherein the liquid storage tank includes an outer tube, and an air duct top plate and an air duct bottom plate that are installed at opposite ends of the outer tube, the air duct top plate, and the air duct bottom plate enclosing the atomization space therebetween; the air duct bottom plate is provided with a connecting through hole which is connected with the air duct pipe in a sealing mode, and one end of the air duct pipe penetrates through the connecting through hole and stretches into the atomization space.

5. The air duct structure according to claim 4, wherein the top plate of the air duct is provided with a spray opening communicating with the atomizing space and an annular recess extending into the flow passage through hole.

6. The air duct structure according to claim 4, characterized in that the air duct top plate is further provided with an annular flow guide for guiding condensate on the air duct top plate into the atomization space.

7. The air duct structure according to claim 1, wherein the air duct pipe is further provided with an enlarged cavity communicated with the flow passage through hole, and the enlarged cavity is arranged opposite to the mounting hole.

8. An atomizer, characterized in that it comprises the air channel structure according to any one of claims 1 to 7.

9. The nebulizer of claim 8, further comprising at least one ultrasonic nebulizing device mounted at a bottom of the liquid storage tank;

wherein the atomizer further comprises a connecting pipe and a liquid pump for delivering liquid into the atomization space; the liquid storage tank is further provided with a connecting hole, one end of the connecting pipe is communicated with the connecting hole, and the other end of the connecting pipe is connected with the liquid pump.

10. A disinfection robot, characterized in that it comprises a nebulizer according to any one of claims 8 or 9.