阅读说明：本技术 风道结构及空调器 (Air duct structure and air conditioner ) 是由 姚龙 钟志成 谭赞松 曾松 于 2021-08-26 设计创作，主要内容包括：本发明公开了风道结构及空调器,风道结构包括出风口,设于风道内的靠近出风口的挡水板,设于挡水板上的振动器,噪音信号采集模块和控制器；挡水板包括框架和设于框架内的至少一组挡水片,振动器设于框架上；每组挡水片包括多个挡水片,挡水片的截面形状为人字形,且挡水片设有导流槽；挡水板的板面与风道的横截面倾斜；风道结构还包括与导流槽导通的接水盘,风道的内壁上还贴设有吸音棉,风道的外壁上还贴设有发泡橡胶。本申请利用振动器带动挡水板进行振动,借助声波的干涉,实现风道出风口噪声的降低；同时使挡水板的挡水的能力得到提升。(The invention discloses an air duct structure and an air conditioner, wherein the air duct structure comprises an air outlet, a water baffle arranged in an air duct and close to the air outlet, a vibrator arranged on the water baffle, a noise signal acquisition module and a controller; the water baffle comprises a frame and at least one group of water baffle sheets arranged in the frame, and the vibrator is arranged on the frame; each group of water retaining pieces comprises a plurality of water retaining pieces, the cross sections of the water retaining pieces are in a shape of Chinese character 'ren', and the water retaining pieces are provided with diversion trenches; the surface of the water baffle is inclined with the cross section of the air duct; the air duct structure further comprises a water receiving disc communicated with the flow guide groove, sound absorbing cotton is further attached to the inner wall of the air duct, and foaming rubber is further attached to the outer wall of the air duct. The water baffle is driven by the vibrator to vibrate, and noise of the air outlet of the air duct is reduced by means of interference of sound waves; meanwhile, the water retaining capacity of the water retaining plate is improved.)

1. The utility model provides an air duct structure, the air duct includes the air outlet, its characterized in that still includes: the water baffle is arranged in the air duct and close to the air outlet, and the vibrator is arranged on the water baffle.

2. The air duct structure according to claim 1, wherein the water deflector comprises a frame and at least one set of water deflector disposed in the frame, and the vibrator is disposed on the frame.

3. The air duct structure according to claim 2, wherein each set of the water-retaining pieces comprises a plurality of water-retaining pieces, each of the water-retaining pieces is arranged at intervals and faces are opposite to each other, and the water-retaining pieces are provided with flow guide grooves at edges.

4. The air duct structure according to claim 3, wherein the water-blocking sheets have a herringbone cross-sectional shape in the arrangement direction of the water-blocking sheets, and flow guide grooves are provided at the edges of the water-blocking sheets in the cross-sectional direction.

5. The air duct structure according to claim 3, further comprising a water pan, wherein the diversion trench is communicated with the water pan.

6. The air duct structure according to claim 1, wherein an included angle is formed between the surface of the water baffle and the cross section of the air duct.

7. The air duct structure according to claim 1, wherein sound-absorbing cotton is attached to an inner wall of the air duct.

8. The air duct structure according to claim 1, wherein the outer wall of the air duct is further adhered with foamed rubber.

9. The air duct structure according to claim 1, further comprising a noise signal collection module disposed at the air outlet, and a controller in signal connection with the noise signal collection module, wherein the controller is electrically connected to the vibrator to adjust vibration parameters of the vibrator according to noise parameters.

10. An air conditioner characterized by comprising the air duct structure according to any one of claims 1 to 9.

11. The air conditioner of claim 10, comprising a heat exchanger disposed in the air duct, wherein the water deflector is disposed on a side of the heat exchanger opposite to the air outlet.

Technical Field

The invention relates to the field of air conditioners, in particular to an air duct structure suitable for a large-scale air conditioner and an air conditioner using the air duct structure.

Background

In present air conditioner, especially large-scale air conditioner, because the amount of wind is great, therefore the fan rotational speed of air conditioner is high, lead to the noise high, seriously influence customer's experience, simultaneously because the wind speed is very fast, the amount of wind is great, the comdenstion water is blown out from the air outlet very easily, consequently can set up the breakwater in the air outlet department in air conditioner wind channel and keep out the wind, because the air-out contains a large amount of water, the breakwater can effectively block the comdenstion water, because the impact sound of water and breakwater blade, make the noise of air outlet can further strengthen. In the prior art, the resonance of the resonant cavity is generally used to eliminate noise, or the noise reducer receives noise to feed back corresponding noise to cancel the sound wave, however, the above two noise reduction methods cannot have a good noise reduction effect on the water baffle, and thus the overall noise reduction effect of the current air conditioner is not good.

Disclosure of Invention

The invention provides an air duct structure and an air conditioner, and solves the technical problem that an air conditioner with a water baffle in the prior art is poor in noise reduction effect.

The technical scheme adopted by the invention is as follows: the utility model provides an air duct structure, the air duct includes the air outlet, still includes: the water baffle is arranged in the air duct and close to the air outlet, and the vibrator is arranged on the water baffle.

Furthermore, the water baffle comprises a frame and at least one group of water baffles arranged in the frame, and the vibrator is arranged on the frame.

Furthermore, each group of water retaining pieces comprises a plurality of water retaining pieces, the surfaces of the water retaining pieces are opposite to each other and are arranged at intervals, and diversion trenches are arranged at the edges of the water retaining pieces.

Furthermore, in the arrangement direction of the water baffles, the cross sections of the water baffles are in a herringbone shape, and diversion trenches are arranged at the edges of the water baffles in the cross section direction.

Further, the air duct structure further comprises a water pan, and the diversion trench is communicated with the water pan.

Furthermore, an included angle is formed between the plate surface of the water baffle and the cross section of the air duct.

Furthermore, sound-absorbing cotton is attached to the inner wall of the air duct.

Furthermore, the outer wall of the air duct is also adhered with foamed rubber.

Furthermore, the air duct structure further comprises a noise signal acquisition module arranged at the air outlet and a controller in signal connection with the noise signal acquisition module, wherein the controller is electrically connected with the vibrator to adjust the vibration parameters of the vibrator according to the parameters of noise.

An air conditioner comprises the air duct structure.

Further, the air conditioner comprises a heat exchanger arranged in the air duct, and the water baffle is arranged on one side of the heat exchanger opposite to the air outlet.

Compared with the prior art, the method has the advantages that the vibrator is used for driving the water baffle to vibrate, the critical frequency band sound pressure level to be compensated is sent out through vibration of the water baffle, the critical frequency band sound pressure level to be compensated and the critical frequency band sound pressure level with the noise are superposed to obtain the superposed critical frequency band masking noise, and the noise of the air outlet of the air duct is reduced by means of interference of sound waves; simultaneously, because the breakwater can vibrate for the area of contact increase of air current and breakwater, the comdenstion water in the air current can be more condense on the breakwater, and the breakwater can accelerate assembling and the drippage of water droplet in the vibration simultaneously, makes the ability of the manger plate promoted.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic structural view of an air duct according to the present invention;

FIG. 2 is a schematic view of the structure of the water guard plate of the present invention;

FIG. 3 is a schematic cross-sectional view of a water dam of the present invention.

1. An air duct; 11. an air inlet; 12. an air outlet; 13. a centrifugal fan; 14. a heat exchanger; 2. a water baffle; 21. a frame; 22. a water retaining sheet; 23. a diversion trench; 24. a vibrator; 25. and a noise signal acquisition module.

Detailed Description

The principles and construction of the present invention will be described in detail below with reference to the drawings and examples.

The application discloses a structure of an air duct 1, as shown in fig. 1, one end of the air duct 1 is an air inlet 11, the other end is an air outlet 12, the air inlet 11 is arranged above the air duct 1, and the air outlet 12 is arranged below the air duct 1; wherein, be equipped with in wind channel 1 with the relative centrifugal fan 13 of air intake 11, centrifugal fan 13 is used for forming the negative pressure, forms the air current from wind channel 1 outside to wind channel 1 inside, still is equipped with heat exchanger 14 in the wind channel 1, and heat exchanger 14 sets up in being close to air outlet 12 for carry out the heat transfer to the air in wind channel 1.

This application is provided with breakwater 2 in wind channel 1, breakwater 2 sets up air-out one side at heat exchanger 14, and breakwater 2 is located air outlet 12 department equally, the air flows through heat exchanger 14 and becomes the air of wet cold, the breakwater 2 is flowed through earlier to wet cold air, flow out from air outlet 12 again, breakwater 2 can block the comdenstion water, the comdenstion water in the wet cold air condenses on breakwater 2 and assembles into big water droplet discharge under the effect of gravity, and then guarantee to reduce from the water content in the gas that air outlet 12 flows out.

As shown in fig. 2, the water baffle 2 mainly includes a frame 21 and at least one group of water baffles 22, wherein the frame 21 is a rectangular frame formed by splicing four sheet metal parts end to end, each group of water baffles 22 is arranged inside the frame 21, in this embodiment, a group of water baffles 22 is provided, each group of water baffles 22 includes a plurality of water baffles 22, the water baffles 22 are arranged in a line shape at intervals, and the surfaces of the water baffles 22 are opposite to each other, as shown in fig. 3, when viewed from the cross section in the arrangement direction of the water baffles 22, the cross section is parallel to the surface of the water baffle frame 21, which is abutted to each water baffle 22, the cross section of the water baffles 22 is in a shape of a straight herringbone, and the arrangement form of the water baffles 22 is similar to the arrangement form of a wild goose during flying.

The water blocking sheet 22 is a rectangular plate body, the length direction of the water blocking sheet is transversely arranged on the frame 21, the water blocking sheet 22 extends from one side of the frame 21 to the other side of the frame 21, the cross section direction of the water blocking sheet 22 is vertical to the length direction of the water blocking sheet 22, a diversion trench 23 is formed at each edge of the water blocking sheet 22 in the cross section direction in a bending mode, namely the diversion trench 23 extending in the length direction of the water blocking sheet 22 is formed at the edge of the water blocking sheet in a bending mode, and the diversion trench 23 is used for guiding the flow of condensed water to avoid splashing of water drops; in the embodiment, the surface of the water baffle 2 is inclined with the cross section of the air duct 1, so that the guide groove 23 is also inclined, and the flow of the condensed water is facilitated; and the lowest end of the horizontal position of each flow guide groove 23 is communicated with the water receiving tray, and the condensed water in each flow guide groove 23 is collected to the water receiving tray and then discharged.

Further, the vibrator 24 is arranged on the water baffle 2, the vibrator 24 is used for driving the water baffle 2 to vibrate, the critical frequency band sound pressure level needing to be compensated is sent out through the vibration of the water baffle 2, the critical frequency band sound pressure level needing to be compensated and the critical frequency band sound pressure level with the noise modulation are superposed to obtain the superposed critical frequency band masking noise, and the noise of the air outlet 12 of the air duct 1 is reduced by means of the interference of sound waves.

Further, this application is equipped with noise signal collection module 25 in air outlet 12 department, and noise signal collection module 25 is used for detecting the amplitude, frequency and the isoparametric of phase place of the noise of wind gap 12 department, and signal acquisition device and controller signal connection, controller and vibrator 24 electricity are connected in order to adjust the vibration parameter of vibrator 24 according to the parameter of noise. Specifically, the noise reduction is carried out by a tonal noise compensation elimination method, namely, the frequency position and the critical frequency band sound pressure level of tonal noise in a noise signal in the air duct 1 are firstly identified, the difference value between the critical frequency band sound pressure level of the tonal noise and the critical frequency band sound pressure level of masking noise is calculated, if the difference value is greater than a threshold value, the critical frequency band sound pressure level needing to be compensated is driven by a vibrator 24 to vibrate a water baffle 2, the critical frequency band sound pressure level needing to be compensated is sent out by the vibration of the water baffle 2, the critical frequency band sound pressure level needing to be compensated and the critical frequency band sound pressure level of the tonal noise are superposed to obtain the superposed critical frequency band masking noise, and the noise reduction of the air outlet 12 of the air duct 1 is realized by means of the interference of sound waves; meanwhile, the water baffle 2 can vibrate, so that the contact area between the airflow and the water baffle 22 is increased, more condensed water in the airflow can be condensed on the water baffle 22, meanwhile, the water baffle 22 can accelerate the gathering and dripping of water drops in vibration, and the water retaining capacity of the water baffle 2 is improved.

The 1 structure in wind channel in this application can effectively reduce the noise of air outlet 12 department, especially the noise that air outlet 12 department breakwater 2 arouses, through driving 2 vibrations of breakwater, utilizes the resonance noise reduction of sound wave for the noise of air outlet 12 obtains minimumly, and the vibration of breakwater 2 can also improve the manger plate performance of breakwater 2 by a wide margin simultaneously, and this scheme is applicable to all refrigeration plant on the market, especially large-scale air conditioner.

The application also provides an air conditioner which comprises the air duct 1 structure.

The above specific embodiments are only intended to illustrate the inventive concept and many modifications and variations may be made by those skilled in the art within the spirit of the invention, which are included within the scope of the invention.