CN114811816B

CN114811816B - Air purifying device

Info

Publication number: CN114811816B
Application number: CN202210589516.9A
Authority: CN
Inventors: 王德武; 罗汉兵; 凌业生; 吴若虞; 陈欢; 于博文
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2023-04-18
Anticipated expiration: 2042-05-26
Also published as: CN114811816A

Abstract

The invention relates to an air purification device, which comprises a shell, a dust collecting electrode and a discharge electrode. Wherein, the both sides of casing are formed with first wind gap and second wind gap respectively. The dust collecting electrodes are arranged in the shell and positioned between the first air port and the second air port, at least one inclined plane is formed on each dust collecting electrode, the inclined planes of the two adjacent dust collecting electrodes are oppositely arranged and are close to or far away from each other along the direction close to the first air port, and the dust collecting electrodes are suitable for being grounded; the discharge electrode is arranged between two adjacent dust collecting electrodes, the extension direction of the discharge electrode is parallel to the dust collecting electrodes, and the discharge electrode is suitable for being connected with a power supply device. Therefore, the air purification device of the invention has better dust removal efficiency under the condition of not damaging the portability, and can overcome the defects of low purification efficiency or larger volume of the air purification device in the prior art. Meanwhile, the air purification device is simple in structure, convenient to manufacture, practical, safe, reliable and convenient to implement, popularize and apply.

Description

Air purifying device

Technical Field

The invention relates to the technical field of air purification equipment, in particular to an air purification device.

Background

With the development of social economy, the requirements of residents on house interior decoration are higher and higher. The use of large-scale decoration materials and building materials leads the concentration of pollutants such as formaldehyde, TVOC and the like in indoor air to exceed the standard, and influences the health of people. At present, methods for purifying indoor air pollution include ventilation methods, plant purification methods, microbiological methods, physical chemical adsorption methods, plasma methods, and the like.

Because high-energy electrons, excited particles, active groups and the like exist in low-temperature plasma, harmful gases can be effectively catalyzed and degraded by utilizing plasma discharge, and therefore, the low-temperature plasma is increasingly applied to the fields of air purification and the like. The plasma discharge comprises corona discharge and glow discharge, and the glow discharge has larger area and higher plasma density, so the plasma discharge has good application prospect.

However, in the prior art, to improve the dust removal efficiency of the air purification device, only the windward area of the dust collecting electrode can be increased or the wind speed flowing through the dust collecting electrode can be reduced, which requires increasing the volume of the air purification device, resulting in damaging the portability of the air purification device.

Disclosure of Invention

Therefore, the technical problem to be solved by the present invention is to overcome the defects of low purification efficiency or large volume of the air purification device in the prior art, so as to provide an air purification device with high purification efficiency and good portability.

In order to solve the above problems, the present invention provides an air cleaning device including a housing, a dust collecting electrode, and a discharge electrode. Wherein, the both sides of casing are formed with first wind gap and second wind gap respectively. The dust collecting electrodes are arranged in the shell and positioned between the first air port and the second air port, at least one inclined plane is formed on each dust collecting electrode, the inclined planes of the two adjacent dust collecting electrodes are oppositely arranged and are close to or far away from each other along the direction close to the first air port, and the dust collecting electrodes are suitable for being grounded; the discharge electrode is arranged between two adjacent dust collecting electrodes, the extension direction of the discharge electrode is parallel to the dust collecting electrodes, and the discharge electrode is suitable for being connected with a power supply device.

Further, the dust collecting poles are triangular prisms, and each dust collecting pole is formed with two inclined surfaces.

Further, the collection dirt is a plurality of and mutual parallel arrangement, and the discharge electrode is a wire electrode, and air purification device still includes the winding structure who forms in the casing, and the wire electrode passes through between every two adjacent collection dirt poles through the winding structure.

Furthermore, the winding structure comprises two first winding parts, and two ends of the electrode wire are respectively fixed on the first winding parts.

Furtherly is formed with spacing shell in the casing, is formed with a plurality of breachs of one-to-one on the both ends of spacing shell, and the both ends of collection dirt utmost point set up respectively in the breach, are formed with the wire winding boss between two breachs, and the wire winding structure is still including two at least adjacent wire winding bosss that are located the first end of collection dirt utmost point.

Further, be formed with the backup pad in the casing, the backup pad is located the second end department of a plurality of collection dirt poles, and wire winding structure includes the second wire winding, and the second wire winding includes:

the main body is arranged in the shell in a sliding way, and the sliding direction is parallel to or consistent with the length extending direction of the dust collecting electrode;

a winding part formed on the main body, the discharge electrode being wound on the winding part;

and an elastic support supported between the main body and the support plate.

Furthermore, a holding part is formed on the shell, and an accommodating cavity is formed in the holding part and is suitable for accommodating the power supply device.

Further, the power supply device comprises a battery and a voltage-multiplying rectifying module which is suitable for being in communication connection with the battery.

Further, air purification device still includes the fixed conducting strip that sets up in the casing, and every collection dirt utmost point all is connected with the conducting strip, and the conducting strip links to each other with the ground pole of voltage doubling rectifier module, is formed with the metal contact on the surface of portion of holding, and voltage doubling rectifier module's ground pole and metal contact communication connection.

Further, the air purification device is a handheld air purifier.

The invention has the following advantages:

according to the technical scheme, the dust collecting poles of the air purifying device are provided with at least one inclined surface, and the inclined surfaces of two adjacent dust collecting poles are oppositely arranged. The inclined planes of two adjacent dust collecting poles can be set to be close to each other along the direction close to the first tuyere and also can be set to be far away from each other along the direction close to the first tuyere, or the inclined planes of two adjacent dust collecting poles are partially close to each other along the direction close to the first tuyere and the inclined planes of two adjacent dust collecting poles are partially far away from each other along the direction close to the first tuyere. The equal windward area that can play the increase collection dirt utmost point reduces the flow velocity of air current, increases the dwell time of air current in air purification device, makes particulate matter dwell time extension, changes the effect of adsorbing on the collection dirt utmost point to effectively promote air purification device's dust collection efficiency. Under the same space, the air purification device of the invention improves the dust removal efficiency by about 20 percent compared with the electric purification structure of the line board, has compact structure, low discharge voltage and large design space, can develop a handheld sterilization and disinfection air purifier, and expands the application range.

Therefore, the air purification device of the invention has better dust removal efficiency under the condition of not damaging the portability, and can overcome the defects of low purification efficiency or larger volume of the air purification device in the prior art. In addition, the discharge electrode is arranged between the adjacent dust collecting electrodes, so that one discharge electrode can discharge the dust collecting electrodes on two sides, the dust removal efficiency of the air purification device can be improved, the electrodes on the edges are ensured to be the dust collecting electrodes, and the risk of ignition caused by conductive materials on the edges is avoided. Meanwhile, the air purification device is simple in structure, convenient to manufacture, practical, safe, reliable and convenient to implement, popularize and apply.

Drawings

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

Fig. 1 shows a perspective view of an air cleaning device of an embodiment of the present invention;

FIG. 2 is an exploded view of an air cleaning device according to an embodiment of the present invention;

FIG. 3 is an air cleaning apparatus according to an embodiment of the present invention, with an upper cover thereof omitted;

FIG. 4 is a cross-sectional view of an air purification apparatus according to an embodiment of the present invention;

fig. 5 is a front view of a bottom case of an air cleaning device according to an embodiment of the present invention.

Description of reference numerals:

100. an air purification device; 1. a housing; 11. a support plate; 12. a grip portion; 13. an accommodating chamber; 14. a limiting shell; 15. a first tuyere; 16. a second tuyere; 17. a limiting cavity; 1a, an upper cover; 1b, a bottom shell; 2. a dust collecting electrode; 21. a bevel; 3. a discharge electrode; 4. a first winding member; 5. a second winding member; 51. a main body; 52. a winding part; 53. an elastic support member; 6. a power supply device; 61. a battery; 62. a voltage doubling rectifying module; 7. winding a boss; 8. and (4) conducting strips.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Fig. 1 shows a perspective view of an air cleaning device according to an embodiment of the present invention. Fig. 2 is an exploded view of an air cleaning device according to an embodiment of the present invention. As shown in fig. 1 and 2, the present embodiment relates to an air cleaning apparatus 100 including a housing 1, a dust collecting electrode 2, and a discharge electrode 3. Wherein, a first tuyere 15 and a second tuyere 16 are formed at both sides of the housing 1, respectively. At least two dust collecting electrodes 2 are provided. The dust collecting electrode 2 is disposed in the housing 1 between the first tuyere 15 and the second tuyere 16. The dust collecting electrode 2 is formed with at least one inclined surface 21. The inclined surfaces 21 of the adjacent two dust collecting electrodes 2 are oppositely disposed and are close to or away from each other in a direction approaching the first tuyere 15. The dust collecting electrode 2 is adapted to be grounded. The discharge electrode 3 is arranged between two adjacent dust collecting electrodes 2, the extension direction of the discharge electrode 3 is parallel to the dust collecting electrodes 2, and the discharge electrode 3 is suitable for being connected with a power supply device 6. The air purification apparatus 100 of the present embodiment is preferably, but not limited to, a hand-held air purifier. The collector electrode 2 is preferably, but not limited to, made of an electrically conductive material such as aluminum, steel or electrically conductive plastic. Preferably, the housing 1 is formed by splicing a bottom case 1b and an upper cover 1a, so that an operator can install the dust collecting electrode 2 and the discharge electrode 3 in the bottom case 1b first and then snap the upper cover 1a on the bottom case 1b, thereby completing the installation of the air purifying device 100.

As can be seen from the above technical solutions, the dust collecting electrodes 2 of the air purifying device 100 of the present embodiment are arranged to have at least one inclined surface 21, and the inclined surfaces 21 of two adjacent dust collecting electrodes 2 are arranged oppositely. The inclined surfaces 21 of two adjacent dust collecting poles 2 may be disposed to be close to each other in a direction approaching the first tuyere 15, or may be disposed to be away from each other in a direction approaching the first tuyere 15, or the inclined surfaces 21 of two partially adjacent dust collecting poles 2 may be close to each other in a direction approaching the first tuyere 15 and the inclined surfaces 21 of two partially adjacent dust collecting poles 2 may be away from each other in a direction approaching the first tuyere 15. The homoenergetic plays the windward area that increases collection dirt utmost point 2, reduces the flow velocity of air current, increases the dwell time of air current in air purification device 100, makes particulate matter dwell time extension, changes the effect of adsorbing on collection dirt utmost point 2 to effectively promote air purification device 100's dust collection efficiency. Under the same space, the air purification device 100 of this embodiment promotes about 20% than the electric purification structure of line board dust collection efficiency, and compact structure discharge voltage is low, and the design space is big, can develop hand-held type disinfection air purifier that disinfects, enlarges application range.

Therefore, the air purification device 100 of the present embodiment can have a better dust removal efficiency without destroying its portability, and can overcome the defects of low purification efficiency or large volume of the air purification device 100 in the prior art. In addition, the discharge electrode 3 of this embodiment will be located the centre of adjacent collection dirt utmost point 2, and this has made a discharge electrode 3 can discharge to the collection dirt utmost point 2 of both sides, can promote air purification device 100's dust collection efficiency, has guaranteed again that the electrode of edge is collection dirt utmost point 2, has avoided the risk of striking sparks that the edge has conducting material to arouse. Meanwhile, the air purification device 100 of the embodiment has a simple structure, is convenient to manufacture, is practical, safe and reliable, and is convenient to implement, popularize and apply.

The dust collecting poles 2 are preferably, but not limited to, fan-shaped columns, V-shaped folded plates, triangular columns, etc., for example, in the present embodiment, as shown in fig. 3 and 4, the dust collecting poles 2 are triangular columns for easy processing, each dust collecting pole 2 is formed with two inclined surfaces 21, and the two inclined surfaces 21 can function to increase the windward area of the dust collecting pole, extend the flow path of the air flow in the housing 1, and reduce the flow speed of the air flow.

In the present embodiment, the dust collecting electrodes 2 are preferably provided in plural and in parallel with each other. The discharge electrode 3 is a wire electrode. The air cleaning device 100 further includes a winding structure formed in the housing 1. The wire electrode passes between every two adjacent dust collecting electrodes 2 through a winding structure. This enables one wire electrode to discharge electricity to the plurality of dust collecting electrodes 2, simplifies the circuit connection in the air cleaner 100, and contributes to improvement in the manufacturing efficiency of the air cleaner 100. The wire electrode is preferably, but not limited to, made of red copper, graphite, copper tungsten alloy, silver tungsten alloy, steel, brass or cast iron. For example, in this embodiment, the electrode wire is a tungsten wire with good arc striking performance, high stability of the arc column, and low electrode burnout rate.

In the present embodiment, the winding structure preferably includes two first winding elements 4. Both ends of the wire electrode are fixed to the first wire winding member 4, respectively. The first winding member 4 is preferably, but not limited to, a winding post or a winding protrusion. Preferably, in this embodiment, the first wire winding element 4 is a wire winding post, and two ends of the wire electrode are respectively provided with a connecting ring, and the connecting rings are sleeved on the wire winding post.

In the present embodiment, a stopper case 14 is formed inside the housing 1. Be formed with a plurality of breachs of one-to-one on the both ends of spacing shell 14, the both ends of collection dirt utmost point 2 set up respectively in the breach, are formed with wire winding boss 7 between two breachs, and wire winding structure is still including two at least adjacent wire winding bosses 7 that are located the first end of collection dirt utmost point 2, and discharge electrode 3 can twine on wire winding boss 7. The winding boss 7 can play a role in enhancing the strength of the limiting shell 14 and can also be used for winding a lead, so that the structure of the air purification device 100 is more compact, and the portability of the air purification device 100 is improved. Preferably, an anti-falling notch is further formed in the side wall of the winding boss 7, and the discharge electrode 3 can be clamped in the anti-falling notch when being wound on the winding boss 7, so that the risk of falling off of the discharge electrode 3 is reduced.

In the present embodiment, a support plate 11 is formed inside the housing 1. The support plate 11 is located at the second end of the plurality of dust collecting electrodes 2. The winding structure comprises a second winding element 5. The second wire winding member 5 includes a main body 51, a wire winding portion 52, and an elastic support 53. Wherein, the main body 51 can be arranged in the housing 1 in a sliding way, and the sliding direction is parallel to or consistent with the length extending direction of the dust collecting pole 2. The winding part 52 is formed on the body 51, and the discharge electrode 3 is wound on the winding part 52. The elastic support 53 is supported between the main body 51 and the support plate 11. This enables the elastic support 53 to move in a direction away from the support plate 11 by elastically pushing the body 51 by itself, thereby tightening the wire electrode. The housing 1 and the main body 51 are optionally connected by a sliding rail, in this embodiment, a sliding cavity is formed on the housing 1, and the main body 51 of the first winding element 4 is disposed in the sliding cavity and is adapted to slide in the sliding cavity. The elastic support 53 is preferably, but not limited to, a spring or an elastic rubber plug, etc., and preferably, in the present embodiment, the elastic support 53 includes a boss formed on one of the support plate 11 and the main body 51, and a spring fitted over the boss.

In the embodiment, the housing 1 is further formed with a holding portion 12, the holding portion 12 is formed with a receiving cavity 13 therein, the receiving cavity 13 is adapted to receive the power supply device 6, and the holding portion 12 can both serve to facilitate the user's grip and improve the portability of the air purification device 100, and can be used to receive the power supply device 6, which makes the structure of the air purification device 100 more compact, and contributes to further improving the portability of the air purification device 100. For example, when a smoker smokes a lot of smoke in a room, the user can hold the holding part 12 of the air cleaning device 100 and swing back and forth to remove the second-hand smoke; the high-voltage discharge generates plasma and ozone, and can also sterilize and disinfect indoor air, thereby meeting the multiple requirements of families.

In the present embodiment, the power supply device 6 preferably, but not limited to, includes a battery 61 and a voltage-doubling rectifying module 62 adapted to be communicatively connected with the battery 61. The type of the power supply device 6 can be adjusted according to the actual use requirement, for example, in the present embodiment, the power supply device 6 is suitable for supplying high voltage of 6.5KV to the discharge electrode 3.

In this embodiment, the air purification apparatus 100 further includes a conductive sheet 8 fixedly disposed within the housing 1. Each dust collecting pole 2 is connected with a conducting strip 8, the conducting strip 8 is connected with the ground pole of the voltage-doubling rectifying module 62, a metal contact point is formed on the outer surface of the holding part 12, and the ground pole of the voltage-doubling rectifying module 62 is in communication connection with the metal contact point. The conductive sheet 8 can simultaneously ground the plurality of dust collecting electrodes 2, which makes the structure of the air cleaning apparatus 100 simpler and the installation more convenient. The conductive plate 8 is preferably, but not limited to, fixedly disposed in the housing 1 by means of bonding, clipping or screwing, for example, in the present embodiment, as shown in fig. 5, a limiting cavity 17 is formed on the housing 1, and the conductive plate 8 is fixedly disposed in the limiting cavity 17. Preferably, a limiting notch is formed in conductive sheet 8. When the dust collecting electrode 2 is installed in the limiting shell, the dust collecting electrode 2 enters the limiting opening, the connection between the conducting strip 8 and the dust collecting electrode 2 can be more reliable through the limiting opening, and the risk that the dust collecting electrode 2 moves when the air purifying device 100 is moved is reduced. When the user holds the grip portion 12 with his hand, it can contact the metal contact point and be connected to the ground of the voltage doubler rectifier module 62, and thus be connected to the ground by a person. The communication connection can be selected as wireless connection such as wifi or bluetooth, and also can be selected as wired connection such as wire connection.

According to the above technical solution, the air purification device 100 of the present embodiment can have a better dust removal efficiency without damaging its portability, and can overcome the defects of low purification efficiency or large volume of the air purification device in the prior art. Meanwhile, the air purification device of the embodiment is simple in structure, convenient to manufacture, practical, safe, reliable and convenient to implement, popularize and apply.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. 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. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. An air purification apparatus, comprising:

the air conditioner comprises a shell (1), wherein a first air opening (15) and a second air opening (16) are formed in two sides of the shell (1) respectively;

the dust collecting electrodes (2) are arranged in a row and are arranged at least two in parallel, the dust collecting electrodes (2) are arranged in the shell (1) and are positioned between the first air opening (15) and the second air opening (16), at least one inclined surface (21) is formed on each dust collecting electrode (2), the inclined surfaces (21) of two adjacent dust collecting electrodes (2) are oppositely arranged and are close to or far away from each other along the direction close to the first air opening (15), and the dust collecting electrodes (2) are suitable for being grounded;

the discharge electrode (3) is arranged between two adjacent dust collecting electrodes (2), the extending direction of the discharge electrode is parallel to that of the dust collecting electrodes (2), and the discharge electrode (3) is suitable for being connected with a power supply device (6);

the dust collecting pole (2) is a triangular prism, and each dust collecting pole (2) is provided with two inclined planes (21).

2. The air cleaning apparatus according to claim 1, wherein the dust collecting electrodes (2) are provided in plurality and in parallel with each other, the discharge electrode (3) is a wire electrode, and the air cleaning apparatus (100) further comprises a wire winding structure formed in the housing (1), and the wire electrode passes between every two adjacent dust collecting electrodes (2) through the wire winding structure.

3. The air cleaning device according to claim 2, wherein the wire winding structure comprises two first wire winding members (4), and both ends of the wire electrode are respectively fixed on the first wire winding members (4).

4. The air purification device according to claim 2, wherein a limiting shell (14) is formed in the housing (1), a plurality of notches are formed at two ends of the limiting shell (14), the two ends of the dust collecting electrode (2) are respectively arranged in the notches, a winding boss (7) is formed between the two notches, and the winding structure further comprises at least two adjacent winding bosses (7) at the first end of the dust collecting electrode (2).

5. Air cleaning device according to claim 4, characterized in that a support plate (11) is formed in the housing (1), the support plate (11) being located at a second end of the plurality of collecting electrodes (2), the winding structure comprising a second winding element (5), the second winding element (5) comprising:

a main body (51) which is slidably arranged in the shell (1) and the sliding direction of which is parallel to or consistent with the length extending direction of the dust collecting electrode (2);

a winding part (52) formed on the main body (51), the discharge electrode (3) being wound on the winding part (52);

an elastic support (53) supported between the main body (51) and the support plate (11).

6. Air cleaning device according to any one of claims 1-5, characterized in that a grip (12) is further formed on the housing (1), that a receiving cavity (13) is formed in the grip (12), and that the receiving cavity (13) is adapted to receive a power supply device (6).

7. Air cleaning device according to claim 6, characterized in that the power supply device (6) comprises a battery (61) and a voltage doubler rectifier module (62) adapted to be communicatively connected to the battery (61).

8. The air purification apparatus according to claim 7, wherein the air purification apparatus (100) further comprises a conductive sheet (8) fixedly disposed in the housing (1), each dust collecting electrode (2) is connected to the conductive sheet (8), the conductive sheet (8) is connected to the ground electrode of the voltage-multiplying rectifying module (62), a metal contact point is formed on the outer surface of the holding portion (12), and the ground electrode of the voltage-multiplying rectifying module (62) is in communication connection with the metal contact point.

9. Air cleaning device according to any of claims 1-5, characterized in that the air cleaning device (100) is a hand-held air cleaner.