CN215490029U

CN215490029U - Air conditioner air-out structure

Info

Publication number: CN215490029U
Application number: CN202122074333.7U
Authority: CN
Inventors: 罗思一; 王长宏; 蔡坚锋; 曾志颢; 李卓明
Original assignee: Guangdong University of Technology
Current assignee: Guangdong University of Technology
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-11
Anticipated expiration: 2031-08-30

Abstract

The utility model provides an air conditioner air-out structure, includes hollow casing, locates respectively air intake and air outlet, at least one of casing both ends are located single-stage ion wind generating device in the casing, single-stage ion wind generating device include the annular sawtooth electrode that middle confession ion wind passed through and with annular sawtooth electrode parallel arrangement's ring electrode, annular sawtooth electrode include cross sectional shape with the annular electrode that the cross sectional shape assorted of casing was enclosed by the plate electrode and locate sawtooth on the terminal surface of one side of annular electrode air-out direction, the most advanced of sawtooth is towards the air-out direction, ring electrode locates one side that annular sawtooth electrode is equipped with the sawtooth. The annular sawtooth electrode is used for replacing a needle electrode, the processing of the sawtooth electrode is easier than that of the needle electrode, the requirement on processing precision is lower, the manufacturing cost and difficulty are reduced, and the ionic wind technology is convenient to popularize.

Description

Air conditioner air-out structure

Technical Field

The utility model relates to the technical field of air conditioner air outlets, in particular to an air conditioner air outlet structure.

Background

In the field of household air conditioners, air is generally supplied by an axial flow fan, and the problems of large volume, vibration, noise and the like are difficult to fundamentally solve due to the fact that the axial flow fan comprises mechanical moving parts. Compared with the prior art, the device has the advantages of simple and flexible structure, small volume, light weight, silence and energy conservation due to the technical characteristics of the ion wind and the generation of the ion wind based on the corona effect without moving parts. In addition, the ion wind is charged wind, so the ion wind can also play a role in purifying air and sterilizing, and is very suitable for being applied to a household air-conditioning scene.

Chinese patent publication No. CN107809061B discloses an ion wind generating device and an air conditioner indoor unit. Ion wind generating device is including being used for producing at least one discharge module of ion wind, and every discharge module all includes: the mesh electrode is arranged perpendicular to the air supply direction of the ion wind generating device and is provided with a plurality of round meshes; and an electrode beam which is arranged on one side of the mesh electrode in parallel with the mesh electrode, wherein a plurality of needle electrodes are arranged on the electrode beam, and the needle point of each needle electrode points to the center of a corresponding mesh hole of the mesh electrode. The ratio of the vertical distance between the needle tip of the needle electrode and the mesh electrode to the diameter of the mesh is any proportional value within the range of 0.1-0.3. The air-conditioning indoor unit comprises: the air conditioner comprises a shell, a fan and a fan, wherein the shell is provided with at least one air supply outlet, and one or more air supply outlets are provided with an opening and closing mechanism for rectifying air supply; and at least one ion wind generating device arranged in the shell and used for providing ion wind to one or more air supply outlets.

However, in the above scheme, the number of the extremely fine needles in the needle-shaped electrode is large, the processing and installation requirements are strict, the influence on the use effect is large when the installation deviation of the electrode needle occurs, and the wind resistance generated by the mesh electrode to the ion wind is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the difficulty in mounting a needle electrode in an ion wind generating device in the prior art and provides an air outlet structure of an air conditioner. The annular sawtooth electrode is used for replacing a needle electrode, the processing of the sawtooth electrode is easier than that of the needle electrode, the requirement on processing precision is lower, the manufacturing cost and difficulty are reduced, and the ionic wind technology is convenient to popularize.

The purpose of the utility model can be achieved by adopting the following technical scheme:

the utility model provides an air conditioner air-out structure, includes hollow casing, locates air intake and air outlet, at least one of casing both ends respectively and locates single-stage ion wind generating device in the casing, single-stage ion wind generating device include the annular sawtooth electrode that middle confession ion wind passes through and with annular sawtooth electrode parallel arrangement's ring electrode, annular sawtooth electrode include cross sectional shape with the cross sectional shape assorted of casing is by the cyclic annular electrode that the plate electrode encloses and locate the sawtooth on the terminal surface of a side of cyclic annular electrode air-out direction, the most advanced of sawtooth is towards the air-out direction.

When a high voltage is applied between a tip electrode with a small radius of curvature and a collector electrode with a large radius of curvature, corona discharge occurs between the tip electrode and the collector electrode, wherein the field strength near the tip electrode becomes large enough to ionize neutral air molecules into freely movable ions, and under the action of the electric field, the free ions move towards the collector electrode and drive the neutral air molecules, and finally, an ion wind directionally moving from the tip electrode to the collector electrode is formed. The sawtooth on the annular sawtooth electrode is used as a tip electrode, the ring electrode is used as a collector electrode, corona discharge is realized under high voltage of the annular sawtooth electrode and the ring electrode, and ion wind with directional motion is generated, so that the effect of supplying air to a household air conditioner is realized. Because annular sawtooth electrode and ring electrode are annular to its terminal surface shape with the terminal surface shape phase-match of casing, annular sawtooth electrode and ring electrode axis direction with ionic wind's the flow direction is unanimous in the casing, and ionic wind energy passes from annular sawtooth electrode and ring electrode centre, compares the net electrode that traditional ionic wind generating device used, greatly reduced the wind channel to the barrier effect of ionic wind, enable the ionic wind speed that produces higher. The number of the single-stage ion wind generating devices is selected according to actual needs. Meanwhile, because the utility model produces the ionic wind through the corona discharge, after adding the negative high voltage at both ends of sawtooth electrode 4 and ring electrode 5, can produce the ionic wind with negative charge, can kill the bacterium in the air effectively, realize the effect of air-purifying.

Further, the distance between two adjacent sawtooth tips is not less than 1 cm. In order to ensure that corona discharge between the tip electrodes of the adjacent sawtooth electrodes 4 does not interfere with each other and avoid weakening the corona discharge, the distance between the tips of two adjacent sawteeth on the annular sawtooth electrode is not less than 1 cm.

Furthermore, the number of the single-stage ion wind generating devices is 5, and the single-stage ion wind generating devices are uniformly distributed in the shell. The single-stage ion wind generating device is connected in series, so that ion wind can be effectively enhanced, the air outlet of the ion wind is more stable and uniform, and the air outlet requirement of a household air conditioner can be effectively met.

Further, the distance between the annular sawtooth electrode and the annular electrode is 5-15 mm. Thus, the distance between the annular sawtooth electrode and the annular electrode is moderate, and the ionic wind generated by the previous stage can enter the next stage for enhancement.

Furthermore, the working voltage of the single-stage ion wind generating device is 5-15 kV. The ion wind generated by over-small voltage has smaller wind quantity, and the electric current can generate electric spark discharge after being increased to a certain degree by over-voltage, so that the actual working voltage of the single-stage ion wind generating device is reduced, the wind quantity of the ion wind is also reduced, and a proper range is selected for the working voltage.

Furthermore, the air inlet and the air outlet are both provided with a baffle for blocking foreign matters, and the baffle is made of insulating plastics. The baffle is used for blockking off the foreign matter and gets into, if probably have mouse etc. to climb into the casing, some foreign matters blow and get into to lead to the short circuit or have child to stretch into to lead to getting electric shock, causes the incident. Meanwhile, in order to avoid electric leakage, the baffle is made of insulating plastic, and in order to avoid blocking of ion wind, the baffle is a net with larger holes.

Furthermore, the shell is an L-shaped shell formed by connecting two mutually perpendicular rectangular tubes, and the baffle plates are arranged on the end faces of two sides of the rectangular tubes in the air outlet direction.

Further, the shell is made of insulating plastics, and a manganese dioxide coating is coated on the air outlet of the shell. When the ion wind with ozone flows through, the ozone in the ion wind can be reduced by manganese dioxide, so that the ozone is removed.

Furthermore, the annular sawtooth electrode is made of stainless steel, and the annular sawtooth electrode is made of copper. The ion wind generating device is more limited by the service life of the tip electrode, and the stainless steel material can ensure the stable operation of the ion wind generating device for a long time.

Further, the surface of the annular sawtooth electrode is coated with a graphene coating. In order to enhance the ion wind and reduce the ozone amount generated in the corona discharge process, the surface of the sawtooth electrode is coated with the graphene coating, the ion wind speed can be effectively increased and the corona voltage can be reduced due to the good field emission characteristic and the high aspect ratio of the graphene, and the single-stage ion wind generating device coated with the graphene coating can obviously reduce the ozone amount in the working process.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the utility model discharges air through corona effect, avoids the problems of large volume, vibration and noise of the axial flow fan, and simultaneously, the ion wind also has the functions of sterilization, disinfection and air purification.

(2) The utility model uses the serrated electrode to replace the needle electrode which is usually used, the needle electrode is difficult to process, install and position, the service life is short, the serrated electrode is convenient to process and install, the number of tips is more, and the discharging effect is better.

(3) The annular sawtooth electrode and the annular electrode are both annular, and the cross-sectional shape of the annular sawtooth electrode is matched with the shape of the shell, so that ionic wind can pass through the annular sawtooth electrode and the annular electrode, and the wind resistance cannot be increased when a plurality of single-stage ionic wind generating devices are used for generating the ionic wind, and compared with a mesh electrode used by a traditional ionic wind generating device or a fine mesh arranged on the mesh electrode, the wind resistance is also greatly reduced.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention.

The graphic symbols are illustrated as follows:

1-shell, 2-air inlet, 3-air outlet, 4-annular sawtooth electrode, 5-annular electrode, 6-conductive column, 7-baffle.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

Example 1

As shown in fig. 1, an air outlet structure of an air conditioner includes a hollow casing 1, an air inlet 2 and an air outlet 3 respectively disposed at two ends of the casing 1, and at least one single-stage ion wind generating device disposed in the casing 1, where the single-stage ion wind generating device includes an annular sawtooth electrode 4 for passing ion wind in the middle and a ring electrode 5 disposed in parallel with the annular sawtooth electrode 4, the annular sawtooth electrode 4 includes an annular electrode surrounded by an electrode plate and having a cross-sectional shape matched with that of the casing 1, and sawteeth disposed on an end surface of one side of an air outlet direction of the annular electrode, and tips of the sawteeth face the air outlet direction.

When a high voltage is applied between a tip electrode with a small radius of curvature and a collector electrode with a large radius of curvature, corona discharge occurs between the tip electrode and the collector electrode, wherein the field strength near the tip electrode becomes large enough to ionize neutral air molecules into freely movable ions, and under the action of the electric field, the free ions move towards the collector electrode and drive the neutral air molecules, and finally, an ion wind directionally moving from the tip electrode to the collector electrode is formed. The sawtooth on the annular sawtooth electrode 4 is used as a tip electrode, the ring electrode 5 is used as a collector electrode, corona discharge is realized under the high voltage of the annular sawtooth electrode 4 and the ring electrode 5, and ion wind with directional motion is generated, so that the effect of supplying air to a household air conditioner is realized. Because annular sawtooth electrode 4 and ring electrode 5 are annular to its terminal surface shape matches with the terminal surface shape of casing 1, annular sawtooth electrode 4 and ring electrode 5 axis direction with the flow direction of ionic wind in casing 1 is unanimous, and ionic wind energy passes from annular sawtooth electrode 4 and ring electrode 5 centre, compares the net electrode that traditional ionic wind generating device used, greatly reduced the wind channel to the barrier effect of ionic wind, enable the ionic wind speed that produces higher. The number of the single-stage ion wind generating devices is selected according to actual needs. Meanwhile, because the utility model produces the ionic wind through the corona discharge, after adding the negative high voltage at both ends of sawtooth electrode 4 and ring electrode 5, can produce the ionic wind with negative charge, can kill the bacterium in the air effectively, realize the effect of air-purifying.

As shown in FIG. 1, the distance between the tips of two adjacent serrations was 2 cm. In order to ensure that corona discharge between the tip electrodes of adjacent sawtooth electrodes 4 does not interfere with each other and avoid weakening the corona discharge, the distance between the tips of two adjacent sawteeth on the annular sawtooth electrode 4 is not less than 1 cm.

As shown in fig. 1, the number of the single-stage ion wind generating devices is 5, and the single-stage ion wind generating devices are uniformly distributed in the housing 1. The single-stage ion wind generating device is connected in series, so that ion wind can be effectively enhanced, the air outlet of the ion wind is more stable and uniform, and the air outlet requirement of a household air conditioner can be effectively met.

As shown in fig. 1, the distance between the annular saw-tooth electrode 4 and the ring electrode 5 is 10 mm. Thus, the distance between the annular saw-tooth electrode 4 and the annular electrode 5 is relatively moderate, and the ionic wind generated by the previous stage can enter the next stage for enhancement.

As shown in FIG. 1, the single-stage ion wind generating device has an operating voltage of 10 kV. The ion wind generated by over-small voltage has smaller wind quantity, and the electric current can generate electric spark discharge after being increased to a certain degree by over-voltage, so that the actual working voltage of the single-stage ion wind generating device is reduced, the wind quantity of the ion wind is also reduced, and a proper range is selected for the working voltage.

As shown in fig. 1, baffles 7 for blocking foreign matters are arranged at the air inlet 2 and the air outlet 3, and the baffles 7 are made of insulating plastics. Baffle 7 is used for blockking off the foreign matter and gets into, if can have mouse etc. to climb into casing 1, some foreign matters blow into and lead to the short circuit or have child to stretch into and lead to getting electric shock, causes the incident. Meanwhile, in order to avoid electric leakage, the baffle 7 is made of insulating plastic, and in order to avoid blocking of ion wind, the baffle 7 is a mesh with larger holes.

As shown in fig. 1, the casing 1 is an L-shaped casing 1 formed by connecting two rectangular pipes perpendicular to each other, and the baffles 7 are disposed on end surfaces of the rectangular pipes on both sides in the air outlet direction.

As shown in fig. 1, the material of the housing 1 is insulating plastic, and the housing 1 is coated with manganese dioxide at the air outlet 3. When the ion wind with ozone flows through, the ozone in the ion wind can be reduced by manganese dioxide, so that the ozone is removed.

As shown in fig. 1, the material of the annular sawtooth electrode 4 is stainless steel, and the material of the annular sawtooth electrode 5 is copper. And conductive columns 6 are arranged on two sides of the annular sawtooth electrode 4.

As shown in fig. 1, the surface of the annular sawtooth electrode 4 is coated with a graphene coating. In order to enhance the ion wind and reduce the ozone amount generated in the corona discharge process, the surface of the sawtooth electrode is coated with the graphene coating, the ion wind speed can be effectively increased and the corona voltage can be reduced due to the good field emission characteristic and the high aspect ratio of the graphene, and the single-stage ion wind generating device coated with the graphene coating can obviously reduce the ozone amount in the working process.

Example 2

This embodiment is similar to embodiment 1 except that the distance between the tips of two adjacent saw teeth is 1cm in this embodiment. The distance between the annular sawtooth electrode 4 and the ring electrode 5 is 5 mm. The working voltage of the single-stage ion wind generating device is 5 kV.

Example 3

This embodiment is similar to embodiment 1 except that the distance between the tips of two adjacent saw teeth is 3cm in this embodiment. The distance between the annular sawtooth electrode 4 and the ring electrode 5 is 15 mm. The working voltage of the single-stage ion wind generating device is 15 kV. The working voltage of the single-stage ion wind generating device is 15 kV.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides an air conditioner air-out structure, its characterized in that includes hollow casing (1), locates respectively air intake (2) and air outlet (3) at casing (1) both ends, at least one locate single-stage ion wind generating device in casing (1), single-stage ion wind generating device include annular sawtooth electrode (4) that the middle confession ion wind passes through and with annular sawtooth electrode (4) parallel arrangement's ring electrode (5), annular sawtooth electrode (4) including cross sectional shape with the annular electrode that the cross sectional shape assorted of casing (1) was enclosed by the plate electrode and locate the sawtooth on the terminal surface of one side of annular electrode air-out direction, the most advanced of sawtooth is towards the air-out direction, ring electrode (5) are located one side that annular sawtooth electrode (4) were equipped with the sawtooth.

2. The air conditioner air outlet structure of claim 1, wherein the distance between two adjacent sawtooth tips is not less than 1 cm.

3. Air conditioner air outlet structure according to claim 1, characterized in that the distance between the annular sawtooth electrode (4) and the ring electrode (5) is 5-15 mm.

4. Air conditioner air-out structure according to any one of claims 1 to 3, characterized in that the number of the single-stage ion wind generating devices is 5, and the single-stage ion wind generating devices are uniformly distributed in the casing (1).

5. The air conditioner air outlet structure of claim 1, wherein the operating voltage of the single-stage ion wind generating device is 5-15 kV.

6. The air conditioner air outlet structure of claim 1, wherein baffles (7) for blocking foreign matters are arranged at the air inlet (2) and the air outlet (3), and the baffles (7) are made of insulating plastics.

7. The air conditioner air outlet structure of claim 6, wherein the casing (1) is an L-shaped casing formed by connecting two mutually perpendicular rectangular pipes, and the baffle (7) is arranged on the end surfaces of two sides of the rectangular pipes in the air outlet direction.

8. Air conditioner air outlet structure according to any one of claims 1 or 5 to 7, characterized in that the material of the casing (1) is insulating plastic, and the casing (1) is coated with manganese dioxide coating at the air outlet (3).

9. Air conditioner air outlet structure according to claim 1, characterized in that the material of the annular sawtooth electrode is stainless steel, and the material of the annular electrode (5) is copper.

10. Air conditioner air-out structure of claim 1 or 9, characterized in that, the annular sawtooth electrode (4) surface is coated with graphene coating.