CN206803440U - Airduct and air treatment system - Google Patents

Abstract

An air duct and an air treatment system including the air duct, the air duct has a simple structure, uniform air supply, and low air outlet noise. The air duct includes a pipe body for airflow, one end of the pipe body is an airflow inlet, a plurality of airflow outlets are arranged in the length direction of the pipe body, and a guide part is arranged at each airflow outlet , the air guiding part has an airflow passage for allowing the airflow to flow in a direction at a certain angle to the pipe body. The air handling system includes the air duct.

Description

Duct and Air Handling Systems

technical field

The utility model relates to an air duct and an air treatment system comprising the air duct.

Background technique

In the existing air handling system, the air supply outlet and the air return outlet are usually suspended in the ceiling of the room or embedded in the facade wall of the room in the form of grilles. A certain point leads to uneven air supply in the room. In addition, the construction is also difficult.

In order to improve the uniformity of air supply and reduce the difficulty of construction, in the past, there was an air treatment system as shown in Figure 10, which can control the flow direction of indoor air. The air treatment system includes fan 3X, air supply pipe 7X and return air pipe 4X, air supply pipe 7X and return air pipe 4X are installed at the junction of the top surface and the elevation of the room, the outdoor fresh air inlet 1X set on the fan 3X is connected to the air supply pipe 7X, and the air exhaust port set on the fan 3X 2X communicates with the air return pipe 4X, and more than one air supply port 6X is provided on the air supply pipe, and the return air port 5X corresponding to the air supply port 6X is provided on the return air pipe 4X (for example, refer to Patent Document 1).

Patent Document 1: Chinese Patent CN201072206Y

Although the above-mentioned air treatment system is beneficial to improve the uniformity of air supply in the room, the air driven by the fan 3X collides with the pipe wall when it flows at high speed in the air supply pipe 7X, which will cause noise, and the air is at the air supply outlet 6X Changes in the direction of the flow can also generate a lot of noise due to collisions, affecting user comfort.

Utility model content

The utility model is completed to solve the above problems. The purpose of the utility model is to provide an air duct with simple structure, uniform air supply and low air outlet noise, and an air treatment system including the air duct.

In order to achieve the above purpose, the air duct of the first aspect of the utility model includes a pipe body for airflow, one end of the pipe body is an airflow inlet, and a plurality of airflow outlets are arranged in the length direction of the pipe body, wherein A guide part is provided at each of the air outlets, and the guide part has an air flow path that allows the air flow to flow along a direction that forms a certain angle with the pipe body.

According to the air duct according to the first aspect of the utility model, multiple air outlets can be used to supply air evenly, and the air guide can be used to guide the direction of the air flow out of the air duct, thereby reducing the outflow noise of the air flow.

The air duct of the second aspect of the utility model is based on the air duct of the first aspect of the utility model. The airflow passage flows in an oblique direction relative to the pipe body.

According to the air duct according to the second aspect of the utility model, by selecting an air duct with a suitable air guide part according to needs, it is helpful to improve the user's comfort. When the airflow path flows in the direction of the pipe body's inclination, the resistance of the airflow when it flows from the airflow outlet to the air guide pipe is small, which is beneficial to reduce the noise generated by the air turning.

The air duct of the third aspect of the utility model is based on the air duct of the first aspect of the utility model, and the air guide part is an air guide tube or a guide plate.

According to the air duct according to the third aspect of the present invention, the air guide part can be formed with a simple structure, which helps to reduce the manufacturing cost of the air duct.

The air duct of the fourth aspect of the utility model is based on the air duct of the third aspect of the utility model. of any kind.

According to the air duct of the fourth aspect of the present invention, by selecting an air duct with a suitable air guide part according to needs, it is helpful to improve the user's comfort.

The air duct of the fifth aspect of the utility model is based on the air duct of the third aspect of the utility model, and the end of the air guide tube is an inclined plane.

The air duct according to the fifth aspect of the utility model is helpful for the diffusion of the airflow.

The air duct according to the sixth aspect of the present utility model is based on the air duct according to the first aspect of the present utility model, and the directions of the airflow passages of the air guide parts are different.

According to the air duct according to the sixth aspect of the present utility model, by making each deflector part send air in different directions, it is helpful to improve the uniformity of air supply.

The air duct according to the seventh aspect of the present utility model is based on the air duct according to the first aspect of the present utility model, at least a part of the air guide part is arranged inside the tube body.

According to the air duct according to the seventh aspect of the utility model, the noise generated by the turning of the air can be kept in the duct body, which is beneficial to reduce the noise.

The air duct of the eighth aspect of the present utility model is based on the air duct of the first aspect of the present utility model, the apertures of the plurality of air outlets on the duct body gradually become larger along the forward direction of the air flow, and/or, The pipe diameter of the pipe body gradually decreases along the airflow advancing direction.

According to the air duct of the eighth aspect of the utility model, the difference in the air volume of each air outlet in the length direction of the pipe body can be reduced due to the gradual attenuation of the flow velocity of the air flow in the pipe body, so that the air supply in the length direction of the pipe body is more uniform.

The air duct according to the ninth aspect of the utility model is based on the air duct according to the first aspect of the utility model, and the tube body is provided with multiple rows of the air outlets, and the multiple rows of the air outlets are arranged in a staggered manner.

According to the air duct of the ninth aspect of the present invention, it is beneficial to improve the uniformity of air supply.

The air duct of the tenth aspect of the present utility model is based on the air duct of the first aspect of the present utility model. Any way to connect with the pipe body.

According to the air duct according to the tenth aspect of the utility model, by selecting a suitable way to install the air guide part according to the needs, it is helpful to improve the maintenance convenience of the air duct.

The air duct of the eleventh aspect of the utility model is based on the air duct of the first aspect of the utility model, and the air guide part is an air guide tube with a closed end and a plurality of small holes on the tube body.

According to the air duct according to the eleventh aspect of the utility model, it is beneficial to improve the uniformity of air supply.

In order to achieve the above object, the air treatment system of the twelfth aspect of the utility model includes the air duct described in any one of the first aspect to the eleventh aspect of the utility model.

Utility Model Effect

According to the air duct of the present utility model and the air treatment system including the air duct, a plurality of air outlets are provided, and a guide part is provided at each air outlet, and the guide part has the function of making the air flow along the pipe body in a certain direction. The airflow path circulates in the direction of the angle, therefore, multiple airflow outlets can be used to evenly send air, and the guide part can be used to guide the direction of the airflow when it flows out of the air duct, reducing the outflow noise of the airflow.

Description of drawings

FIG. 1 is a partial schematic view showing the structure of an air duct according to Embodiment 1 of the present invention.

Fig. 2 is a partial schematic diagram showing the air guide part at the air outlet of the air duct according to Embodiment 1 of the present invention.

Fig. 3 is a partial schematic diagram showing the structure of an air duct according to Embodiment 2 of the present invention.

Fig. 4A is a partial schematic view showing the structure of the air duct according to Embodiment 3 of the present invention.

Fig. 4B is a partial schematic diagram showing the structure of an air duct according to a modified example of Embodiment 3 of the present invention.

Fig. 4C is a partial schematic view showing the structure of an air duct according to another modified example of Embodiment 3 of the present invention.

Fig. 5A is a partial schematic view showing the structure of the air duct according to Embodiment 4 of the present invention.

5B is a partial schematic diagram showing the structure of an air duct according to a modified example of Embodiment 4 of the present invention.

Fig. 6 is a partial schematic view showing the structure of the air duct according to Embodiment 5 of the present invention.

Fig. 7A is a partial schematic view showing the structure of the air duct according to Embodiment 6 of the present invention.

Fig. 7B is a partial schematic diagram showing the structure of an air duct according to a modified example of Embodiment 6 of the present invention.

Fig. 8 is a partial schematic view showing the structure of the air duct according to Embodiment 7 of the present invention.

Fig. 9 is a partial schematic view showing the structure of an air duct in a modified example of Embodiments 1 to 5 and 7 of the present invention.

Fig. 10 is a perspective view schematically showing the configuration of a conventional air handling system.

(Symbol Description)

1, 1A, 1B, 1B’, 1B”, 1C, 1C’, 1D, 1E, 1E’～1F air duct

10, 10A, 10C, 10D, 10F tube body

101, 101D, 101E, 101E’ air inlet

102, 102B, 102C, 102D, 102E, 102E’ air outlet

103, 103A, 103B, 103C, 103D, 103E, 103E’, 103F diverter

104 sound-absorbing material

1X outdoor fresh air inlet

2X exhaust vents

3X fan

4X return duct

5X return air outlet

6X air outlet

7X air supply pipe

detailed description

Next, the air duct according to the embodiment of the present utility model will be described with reference to the accompanying drawings.

<Embodiment 1>

Below with reference to Fig. 1 and Fig. 2, the structure of the air duct 1 of embodiment 1 of the present utility model is described, and wherein, Fig. 1 is the partial schematic view showing the structure of the air duct 1 of embodiment 1 of the present utility model, and Fig. A partial schematic diagram of the air guide part 103 at the air outlet 102 of the air duct 1 according to Embodiment 1 of the utility model.

The air duct 1 of the present embodiment includes a pipe body 10 for airflow, one end of the pipe body 10 is an airflow inlet 101, and a plurality of airflow outlets 102 are arranged on the length direction of the pipe body 10, and each airflow outlet A guide part 103 is provided at 102 , and the guide part 103 has an air flow passage for allowing the air flow to flow in a direction forming a certain angle with the pipe body 10 .

In this embodiment, the pipe body 10 is a pipe of the same diameter, and its inner diameter is constant in its longitudinal direction (left-right direction in FIG. 1 ). Of course, it is not limited thereto, and the pipe body 10 may also be a reducer whose pipe diameter gradually decreases as it moves away from the air inlet 101 , so as to avoid the flow velocity of the air flow gradually decaying in the pipe body 10 .

In addition, in this embodiment, the air guiding part 103 is an air guide pipe arranged perpendicular to the pipe body 10 , the air guide pipe is a straight pipe integrally arranged outside the pipe body 10 , and has the function of making the air flow along with the pipe body 10 An air passage that flows in a substantially vertical direction.

Here, the cross-section of the air guide tube can be any one of rectangle, circle, ellipse and star, for example, and the air guide tube can be integrally formed with the pipe body 10, or can be formed by clamping, welding, bonding It is fixedly connected to the air outlet 102 of the pipe body 10 by either connection or screw connection.

In addition, in this embodiment, the diameters of the plurality of air outlets 102 on the pipe body 10 gradually increase along the advancing direction of the air flow (from left to right in FIG. 1 ), and the diameters of the corresponding air ducts also gradually increase. increase. Here, the diameters of the plurality of air outlets 102 may increase continuously, or increase in stages.

In addition, in this embodiment, the sound absorbing material 104 is also covered at the terminal end of the air duct. Of course, sound-absorbing materials can also be pasted on the inner wall of the pipe body 10 and the inner wall of the air duct to further reduce noise.

According to the air duct 1 of the utility model, the structure is simple and easy to process.

In addition, according to the air duct 1 of the present invention, a plurality of air outlets 102 are provided in the length direction of the duct body 10 , so that the air flow can flow out uniformly in the length direction of the duct body 10 .

In addition, according to the air duct 1 of the present utility model, a guide part 103 is provided at each air outlet 102, and the guide part 103 has an air flow passage for allowing the air flow to flow along a direction at a certain angle to the pipe body 10. Therefore, The direction in which the airflow flows out from the air duct 10 can be guided by the air guide part 103 to reduce the outflow noise of the airflow.

In addition, according to the air duct 1 of the present utility model, the apertures of the plurality of air outlets 102 and the diameters of the corresponding air ducts gradually increase along the advancing direction of the air flow. Therefore, each air outlet 102 in the length direction of the pipe body 10 can be reduced. The air volume varies due to the flow velocity of the airflow gradually attenuating in the pipe body 10, so that the air supply in the length direction of the pipe body 10 is more uniform.

In addition, according to the air duct 1 of the present invention, the sound absorbing material 104 is provided at the end of the air guide duct, so that the outflow noise of the air flow can be further reduced.

<Embodiment 2>

The structure of the air duct 1A according to the second embodiment of the present invention will be described below with reference to FIG. 3 , wherein FIG. 3 is a partial schematic view showing the structure of the air duct 1A according to the second embodiment of the present invention.

The structure of the air duct 1A of the present embodiment is basically the same as that of the air duct 1 of the above-mentioned embodiment, and the difference from the air duct 1 of the above-mentioned embodiment lies in the flow guiding part.

In this embodiment, the air guide part 103A provided at the air outlet of the pipe body 10A is an air guide pipe with a sloped end.

According to the air duct 1A of the present embodiment, basically the same technical effect as that of the air duct 1 of the first embodiment described above can be achieved.

In addition, according to the air duct 1A of the present embodiment, the end of the air guide duct is inclined, so that it contributes to the diffusion of the airflow.

<Embodiment 3 and Modifications>

Referring to Figures 4A to 4C, the structure of the air ducts 1B, 1B', 1B" in Embodiment 3 of the present utility model and its modifications will be described, wherein Figure 4A shows the structure of the air duct 1B in Embodiment 3 of the present invention Fig. 4B is a partial schematic view showing the structure of the air duct 1B' according to the modified example of the third embodiment of the present utility model, and Fig. 4C is a partial schematic view showing the structure of the air duct 1B" according to another modified example of the third embodiment of the present utility model local schematic diagram.

The structure of the air duct 1B of the present embodiment is basically the same as that of the air duct 1 of the above-mentioned embodiment, and the difference from the air duct 1 of the above-mentioned embodiment lies in the shape of the air guide tube constituting the air guiding part.

In this embodiment, as shown in FIG. 4A , as the air guide part 103B at the air outlet 102B, there is a narrow section of diameter in the middle of the air guide pipe, and the diameter of the air guide pipe first decreases along the flow direction of the air. The way of increasing again changes continuously, which is similar to the structure of Venturi tube. However, it is not limited thereto. As shown in Figure 4B, the air guide pipe can also be formed such that the diameter of the air guide pipe gradually increases along the flow direction of the air, or as shown in Figure 4C, the air guide pipe can also be formed with a pipe diameter in the middle It is larger than the pipe diameter at both ends, and the pipe diameter changes stepwise along the air flow direction, which is similar to the structure of the muffler.

According to the air ducts 1B, 1B', 1B" of this embodiment and its modified examples, it is possible to achieve basically the same technical effects as the air duct 1 of the above-mentioned first embodiment.

In addition, according to the air duct 1B of the present embodiment, there is a diameter-contracted portion in the middle of the air guide duct, which is beneficial to increase the flow velocity of the airflow.

In addition, according to the air duct 1B' of the modified example of the present embodiment, air diffusion is facilitated, and the outflowing air flow is uniformly dispersed.

In addition, according to the air duct 1B" of another modified example of this embodiment, it is advantageous to reduce noise.

<Embodiment 4 and Modifications>

Referring to Fig. 5A and Fig. 5B, the structure of the air duct 1C and 1C' according to the fourth embodiment of the present invention will be described, wherein Fig. 5A is a partial schematic view showing the structure of the air duct 1C according to the fourth embodiment of the present invention, and Fig. 5B It is a partial schematic diagram which shows the structure of the air duct 1C' of the modification of Embodiment 4 of this invention.

The structure of the air duct 1C of the present embodiment is basically the same as that of the air duct 1 of the above-mentioned embodiment, and the difference from the air duct 1 of the above-mentioned embodiment lies in the flow guiding part.

In this embodiment, as shown in FIG. 5A , the guide portion 103C provided at the air outlet 102C is an air guide tube with the same diameter, and a part of the air guide tube is provided inside the tube body 10C. However, it is not limited thereto. As shown in FIG. 5B , the air duct may also be formed such that the diameter of the duct changes continuously along the flow direction of the air in a manner of first decreasing and then increasing.

According to the air ducts 1C and 1C' of the present embodiment and its modifications, basically the same technical effects as those of the air duct 1 of the above-mentioned first embodiment can be achieved.

In addition, according to the air ducts 1C and 1C' of this embodiment and its modified examples, by arranging a part of the air guide duct inside the duct body, the noise generated by the air deflection can be kept in the duct body, which is beneficial to noise reduction.

<Embodiment 5>

Next, the structure of the air duct 1D according to Embodiment 5 of the present invention will be described with reference to FIG. 6 , wherein FIG. 6 is a partial schematic view showing the structure of the air duct 1D according to Embodiment 5 of the present invention.

The structure of the air duct 1D of this embodiment is basically the same as that of the air duct 1 of the above-mentioned embodiment, and the difference from the air duct 1 of the above-mentioned embodiment lies in the flow guiding part.

In this embodiment, the air guide portion 103D at the air outlet 102D has an air flow passage for allowing the air flow to flow in a direction inclined relative to the pipe body 10D. Here, as shown in FIG. 6 , as the air guide portion 103D, an air duct inclined along the advancing direction of the air flow is provided.

According to the air duct D of the present embodiment, basically the same technical effect as that of the air duct 1 of the first embodiment can be achieved.

In addition, according to the air duct D of this embodiment and its modified example, the airflow encounters little resistance when flowing from the air outlet 102D to the air duct, which is beneficial to reduce the noise generated by air turning.

<Embodiment 6 and Modifications>

Referring to Fig. 7A and Fig. 7B, the structures of the air ducts 1E and 1E' according to Embodiment 6 of the present utility model and its modified examples will be described below, wherein Fig. 7A shows a part of the structure of the air duct 1E according to Embodiment 6 of the present invention Schematic diagram, FIG. 7B is a partial schematic diagram showing the structure of an air duct 1E' according to a modified example of Embodiment 6 of the present invention.

The structure of the air duct 1E of this embodiment is basically the same as that of the air duct 1 of the above-mentioned embodiment, and the difference from the air duct 1 of the above-mentioned embodiment lies in the flow guiding part.

In this embodiment, as shown in FIG. 7A , the guide part 103E provided at the air outlet 102E is a guide plate, and the guide plate is a curved plate with a certain radian. Here, in FIG. 7A, the deflector is arranged on the side of the airflow outlet 102E close to the airflow inlet 101E, but it is not limited thereto. As shown in FIG. 7B, the deflector as the deflector 103E' can also be It is arranged on the side of the airflow outlet 102E' away from the airflow inlet 101E'.

According to the air ducts E and E' of the present embodiment and its modifications, basically the same technical effects as those of the air duct 1 of the above-mentioned first embodiment can be achieved.

In addition, according to the air ducts E and E' of this embodiment and its modified examples, the structure of the deflector is simple, and it can be integrally formed with the pipe body, and can also be fixed by any one of clamping, welding, bonding and screwing. Connected at air outlet.

<Embodiment 7>

Next, the structure of the air duct 1F according to Embodiment 7 of the present invention will be described with reference to FIG. 8 , wherein FIG. 8 is a partial schematic view showing the structure of the air duct 1F according to Embodiment 7 of the present invention.

The structure of the air duct 1F of the present embodiment is basically the same as that of the air duct 1 of the above-mentioned embodiment, and the difference from the air duct 1 of the above-mentioned embodiment lies in the flow guiding part.

In this embodiment, as shown in FIG. 8 , multiple rows of airflow outlets are arranged on the body 10F of the air duct 1F, and these rows of airflow outlets are arranged in a staggered manner (staggered in the circumferential direction of the pipe body 10F here, but can also be The length direction of the pipe body 10F is staggered or both the circumferential direction and the length direction of the pipe body 10F are staggered), and a flow guide part 103F is arranged at each air outlet, and the flow guide part 103F has the function of making the air flow along with the pipe The body 10F is an air flow path that flows in an angled direction.

In this embodiment, the air guiding part 103F includes a first air guiding pipe 103F1 and a first air guiding pipe 103F2 , and the orientations of the first air guiding pipe 103F1 and the first air guiding pipe 103F2 are different. Here, both the first air guiding pipe 103F1 and the first air guiding pipe 103F2 are inclined relative to the pipe body 10F.

According to the air duct F of the present embodiment, basically the same technical effect as that of the air duct 1 of the first embodiment can be achieved.

In addition, according to the air duct F of this embodiment, when the air duct is suspended in the middle of the ceiling of the room, the first air guide duct 103F1 and the first air guide duct 103F2 respectively supply air to both sides of the air duct, and the air supply is uniform. .

The utility model has been exemplarily described above in conjunction with the accompanying drawings, and it is obvious that the specific implementation of the utility model is not limited by the above-mentioned embodiments.

For example, in the aforementioned embodiments 1 to 5, and 7, as shown in FIG. 9 , an air duct with a closed end and a plurality of small holes provided on the tube body can also be used.

In addition, in the above-mentioned embodiment, the air duct can be integrally formed, or can be spliced by multi-section pipe fittings according to actual installation requirements, and can also be a multi-section telescopic pipe, which has good flexibility, and the end of the air duct can be closed or closed. Additional air outlets can be installed.

In addition, in the above-mentioned embodiment, according to the actual installation requirements or the decoration style of the installation space, the cross-section of the pipe fittings can be formed into any one of circular, elliptical, rectangular, trapezoidal, triangular and fan-shaped, which is convenient for processing. Also, the shape of the air outlet can be any one of circle, ellipse, wave and rectangle.

In addition, in Embodiment 7 above, the air outlets corresponding to the first air guide pipe 103F1 and the first air guide pipe 103F2 may be a single row of air outlets, or multiple rows of air outlets arranged in a staggered manner.

In addition, according to actual installation requirements, the air ducts of the above-mentioned embodiments 1 to 7 can be hoisted, hung or embedded in any suitable installation position in the room.

In addition, when the air handling system (for example, the air supply duct 7X of the air handling system shown in FIG. Do not destroy the overall sense of room decoration.

Claims (12)

1. a kind of airduct, including the body for airflow, one end of the body is air flow inlet, in the length of the body Multiple air stream outlets are provided with direction, it is characterised in that

Each air flow outlet is provided with diversion division, the diversion division have make air-flow along with the body at an angle Direction circulation current path.

2. airduct as claimed in claim 1, it is characterised in that

The diversion division has a current path for making air-flow be circulated along the direction vertical with the body, or with making air-flow edge The current path relative to the inclined direction circulation of the body.

3. airduct as claimed in claim 1, it is characterised in that

The diversion division is guide duct or deflector.

4. airduct as claimed in claim 3, it is characterised in that

The diversion division is guide duct, and the guide duct is any of increaser, Venturi tube and bend pipe.

5. airduct as claimed in claim 3, it is characterised in that

The end of the guide duct is inclined-plane.

6. airduct as claimed in claim 1, it is characterised in that

The direction of the current path of each diversion division is different.

7. airduct as claimed in claim 1, it is characterised in that

At least a portion of the diversion division is arranged on the inside of the body.

8. airduct as claimed in claim 1, it is characterised in that

The aperture of multiple air stream outlets on the body becomes larger along air-flow direction of advance, and/or, the body Caliber tapers into along air-flow direction of advance.

9. airduct as claimed in claim 1, it is characterised in that

Air stream outlet described in multiple row is provided with the body,

Air stream outlet is staggered described in multiple row.

10. airduct as claimed in claim 1, it is characterised in that

The diversion division is shaped in the body, or by clamping, welding, be bonded, any of be spirally connected mode and institute State body connection.

11. airduct as claimed in claim 1, it is characterised in that

The diversion division is the guide duct that endcapped and body are provided with multiple apertures.

12. a kind of air treatment system, it is characterised in that including the airduct any one of claim 1 to 11.