CN220173460U - Operation safety type plasma generator and air purifier - Google Patents

Abstract

The utility model discloses an operation-safe plasma generator and an air purifier, wherein a first protection net comprises a front net plate and two side net plates connected with the width direction of the front net plate, and the cross section of the first protection net in the height direction is U-shaped; the second protection net comprises a rear net plate and a top net plate connected to the top of the rear net plate, the longitudinal section of the second protection net in the height direction is L-shaped, and the second protection net is connected with the first protection net to form a net cage structure; according to the operation safety type plasma generator and the air purifier provided by the utility model, the U-shaped first protection net and the L-shaped second protection net form the net cage structure, the alignment and combination process between the U-shaped first protection net and the L-shaped second protection net is simple, the ion tube part is protected, and meanwhile, the possibility that a user accidentally contacts the ion tube part is reduced; the first protective net and the second protective net can be independently processed or independently connected, so that the processing difficulty is reduced, and the processing efficiency is improved; the net cage structure can realize air inlet and outlet better.

Description

Operation safety type plasma generator and air purifier

Technical Field

The utility model relates to the field of ion generators, in particular to an operation-safe plasma generator and an air purifier.

Background

Ion generators (ion tubes) are increasingly being used in air purification. In particular, the ionizer may be mounted in an air supply system or in a mobile small air purifier or directly on a wall. The ionizer has the problems of use and operation safety in application due to the factors of operating voltage and the structural strength of the ionizer.

There are various ways of protecting the ionizer, such as CN204275780U in chinese patent, which protects the generator by a safety net on the inner wall of the case; in chinese patent CN113285355a, the discharge element is protected by a first protection cover, a second protection cover and an outer casing. The protection structure of the generator at present has the conditions that the production and the installation processes are inconvenient, and the external fixing structure is relatively complex to rely on, thereby influencing the flow field.

Disclosure of Invention

The utility model mainly aims to provide an operation-safe plasma generator and an air purifier, and aims to solve the problems that a protection structure of the ion generator is inconvenient in production and installation processes, and a depending external fixing structure is complex and influences a flow field.

In order to achieve the above object, the present utility model provides an operation-safe plasma generator comprising:

a mounting box;

the driving assembly is arranged in the installation box;

the ion tube part is arranged on the upper surface of the mounting box and is electrically connected to the driving assembly in the mounting box;

the first protection net comprises a front net plate and two side net plates connected with the front net plate in the width direction, and the cross section of the first protection net in the height direction is U-shaped;

the second protection net comprises a rear net plate and a top net plate connected to the top of the rear net plate, the longitudinal section of the second protection net in the height direction is L-shaped, and the second protection net is connected with the first protection net to form a net cage structure with an opening at the lower end;

wherein, the cylinder mould structure is fixed in the installation box or be fixed in outside fixed knot structure.

Further, the first protection net is of an integrally formed structure.

Further, the second protection net is of an integrally formed structure.

Further, a plurality of first fixing holes are formed in the rear screen plate, and fixing lugs are arranged on the side screen plate corresponding to the first fixing holes.

Further, the fixing lugs and the side net plates are of an integrated structure.

Further, the first fixing hole is combined with the fixing lug through a pull rivet.

Further, a first fixing groove corresponding to the rear screen plate is formed in the length direction of the upper surface of the mounting box, and a second fixing groove corresponding to the two side screen plates is formed in the width direction of the upper surface of the mounting box.

The utility model also provides an air purifier, which comprises a shell, a fan and the plasma generator, wherein a fixing piece is arranged corresponding to the first fixing hole and the fixing lug, and penetrates through the outer wall of the shell and connects the fixing lug with the first fixing hole.

Further, a concave supporting cylinder is arranged on the inner wall of the casing at a position corresponding to the first fixing hole, and the supporting cylinder penetrates through an alignment hole for the fixing piece to penetrate through in the length direction.

Further, the number of the fans is two, the fans are respectively arranged corresponding to the two side screen plates, an air outlet is formed in the top of the shell, and an air inlet is formed in the side wall of the shell corresponding to the fans.

According to the operation safety type plasma generator and the air purifier provided by the utility model, the U-shaped first protection net and the L-shaped second protection net form the net cage structure, so that the alignment and combination process between the U-shaped first protection net and the L-shaped second protection net is simpler, the ion tube part is protected, and meanwhile, the possibility that a user accidentally contacts the ion tube part is reduced; the first protective net and the second protective net can be independently processed or independently connected, so that the processing difficulty is reduced, and the processing efficiency is improved; the net cage structure can realize air inlet and outlet better.

Drawings

FIG. 1 is a schematic illustration of a first embodiment of an operationally safe plasma generator in accordance with the present utility model;

fig. 2 is a schematic view of a second protective net in an operation-safe plasma generator according to a first embodiment of the present utility model;

FIG. 3 is a schematic view of a first protective mesh in an operation-safe plasma generator according to a first embodiment of the present utility model;

FIG. 4 is a schematic view showing the attachment of the ion tube portion to the mounting box in the operation-safe plasma generator according to the first embodiment of the present utility model;

FIG. 5 is a schematic view of an air purifier according to a second embodiment of the present utility model;

FIG. 6 is a schematic view of a longitudinal section of an air cleaner (mesh cage structure is not broken) according to a second embodiment of the present utility model;

FIG. 7 is a schematic view of a second embodiment of an air purifier according to the present utility model in longitudinal section (with the mesh cage structure hidden);

fig. 8 is a schematic view of a cabinet in an air cleaner according to a third embodiment of the present utility model.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless expressly stated otherwise, as understood by those skilled in the art. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, units, modules, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, units, modules, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. The term "and/or" as used herein includes all or any element and all combination of one or more of the associated listed items.

It will be understood by those skilled in the art that all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Referring to fig. 1 to 8, in one embodiment of the present utility model, an operation-safe type plasma generator includes:

a mounting box 100;

a driving assembly disposed in the mounting box 100;

an ion tube part 200 installed on the upper surface of the installation box 100 and electrically connected to a driving assembly inside the installation box 100;

a first protective net 300 including a front net plate 310 and two side net plates 320 connected to the width direction of the front net plate 310, the first protective net 300 having a U-shaped cross section in the height direction;

the second protection net 400 comprises a rear net plate 410 and a top net plate 420 connected to the top of the rear net plate 410, wherein the longitudinal section of the second protection net 400 in the height direction is L-shaped, and the second protection net 400 is connected with the first protection net 300 to form a net cage structure with an opening at the lower end;

wherein the netpen structure is fixed to the mounting box 100 or to an external fixation structure.

In the prior art, the use of ionizers (ion tubes) in air purification is becoming increasingly widespread. In particular, the ionizer may be mounted in an air supply system or in a mobile small air purifier or directly on a wall. The ionizer has the problems of use and operation safety in application due to the factors of operating voltage and the structural strength of the ionizer.

There are various ways of protecting the ionizer, such as CN204275780U in chinese patent, which protects the generator by a safety net on the inner wall of the case; in chinese patent CN113285355a, the discharge element is protected by a first protection cover, a second protection cover and an outer casing. The protection structure of the generator at present has the conditions that the production and the installation processes are inconvenient, and the external fixing structure is relatively complex to rely on, thereby influencing the flow field.

In the present utility model, the ion tube 200 is fixed in the vertical direction when it is mounted, and the ion tube 200 is positioned above and the mounting box 100 is positioned below, so that a certain direction is indicated in the vertical direction. The mounting box 100 serves to provide a receiving space for a drive assembly and serves as a support foundation for the ion tube portion 200. In the application process, the plasma generator can be integrally installed in a box body, and other components are installed in an adapting way so as to guide air to the ion tube part 200, and the effect of air purification is achieved. The drive assembly is disposed within the mounting box 100 for providing the ion tube portion 200 with an operating voltage. The ion tube portion 200 is mounted to the upper surface of the mounting box 100, and the number may be plural. The particular ion tube portion 200 may include a glass tube, an inner electrode mesh, an outer electrode mesh, an inner electrode tab, and an outer electrode tab, the inner electrode mesh and the outer electrode mesh being electrically connected to the drive assembly through the inner electrode tab and the outer electrode tab, respectively. The cross section of the first protection net 300 is U-shaped, the longitudinal section of the second protection net 400 is L-shaped, the first protection net 300 and the second protection net 400 can be independently processed or independently connected, the two models are all provided with good integrated forming bases, a net cage structure (providing space for the ion tube part 200) is formed in the installation process, ventilation can be realized by the whole net cage structure, and the air flow field is not influenced. The shaping of the first protective net 300 and the shaping of the second protective net 400 make the alignment and combination process between the two simple, and the five sub-board nets are directly connected with each other relative to the net cage structure, so that the processing difficulty is reduced and the processing efficiency is improved. The fixing manner between the first protective net 300 and the second protective net 400 may be selected variously, for example, if the materials of the two are polymer, bonding, screw connection, or the like may be adopted; if the materials are metals, welding, screw connection, or the like may be adopted. Specifically, the netpen structure may be connected to the installation box 100 by means of screw connection or fastening, and at this time, the operation-safe plasma generator may be integrally adapted to be installed at a corresponding position; or the netpen structure may be secured to other external securing structures (e.g., an air purifier housing) other than the mounting box 100, in which case the netpen structure may also restrict securing of the mounting box 100 in addition to protecting the ion tube portion 200.

In summary, the U-shape of the first protection net 300 and the L-shape of the second protection net 400 form a net cage structure, so that the alignment and combination process between the U-shape and the L-shape is simpler, and the probability of accidental contact of a user with the ion tube part 200 is reduced while the ion tube part 200 is protected; the first protective net 300 and the second protective net 400 can be independently processed or independently connected, so that the processing difficulty is reduced and the processing efficiency is improved; the net cage structure can realize air inlet and outlet better.

Referring to fig. 1 to 4, in one embodiment, the first protective net 300 is an integrally formed structure.

In the foregoing embodiment, the shape of the first protective net 300 and the shape of the second protective net 400 make the alignment bonding process between the two relatively simple. However, the shape of the first protection net 300 has a convenient processing basis, and in this embodiment, the first protection net 300 is limited to an integrally formed structure, so that the processing process is relatively simple, for example, after a large net plate structure is formed by punching, the first protection net 300 can be formed by two times of bending, and at this time, the problem of connection between the front net plate 310 and the side net plate 320 does not exist.

Referring to fig. 1 to 4, in one embodiment, the second protection net 400 is an integrally formed structure.

In this embodiment, the same modeling of the second protection net 400 has a convenient processing basis, and the second protection net 400 is limited to an integrally formed structure, so that the processing process is relatively simple, for example, after a large net plate structure is formed by stamping, the second protection net 400 can be formed by one bending, and at this time, the problem of connection between the top of the rear net plate 410 and the top net plate 420 is avoided.

Referring to fig. 1 to 4, in one embodiment, the rear screen 410 is provided with a plurality of first fixing holes 411, and the side screen 320 is provided with fixing lugs 321 corresponding to the first fixing holes 411.

The connection manner between the first protective net 300 and the second protective net 400 is not limited in the foregoing embodiment, and in this embodiment, the first fixing holes 411 are provided on the rear net plate 410 of the second protective net 400, and particularly, the connection manner can be conveniently realized by corresponding changes of the mold; and, correspondingly, fixing lugs 321 are provided on the side net plate 320 of the first protective net 300. The first protective net 300 and the second protective net 400 can be implemented by connecting a bolt structure or a rivet structure between the first fixing hole 411 and the fixing lug 321. In particular, when the first protective net 300 and the second protective net 400 are connected by a bolt structure or a rivet structure, they may be fixed to other external structures, for example, the plasma generator is mounted on the air cleaner, and the bolt structure or the rivet structure may fix the first protective net 300 and the second protective net 400 to the outer wall thereof at the same time, thereby improving the fixing stability of the two and not complicating the overall structure. The fixing lugs 321 may be arranged in a rear-connection manner or in an integral manner. It should be noted that, when the second protection net 400 is connected to the external fixing structure, a plurality of spacers may be disposed between the rear net plate 410 of the second protection net 400 and the external fixing structure, so that the rear net plate 410 does not cling to the external fixing structure, or a boss corresponding to the first fixing hole 411 is disposed on the external fixing structure, and the rear net plate 410 is not bonded to the external fixing structure by the boss.

In one embodiment, the fixing lug 321 and the side screen 320 are integrally formed.

In this embodiment, the fixing lug 321 may be integrally formed, and the first fixing hole 411 may be formed to correspond to the fixing lug 321 by bending.

In one embodiment, the first fixing hole 411 is coupled to the fixing lug 321 by a pull rivet.

In this embodiment, the combination of the first fixing hole 411 and the fixing lug 321 is particularly suitable for penetrating from an external fixing structure (such as an outer wall of an air purifier), and after passing through the first fixing hole 411 and the fixing lug 321, the first protection net 300 and the second protection net 400 are fixed on the external fixing structure.

Referring to fig. 1 to 4, in one embodiment, the upper surface of the mounting box 100 is provided with a first fixing groove 110 corresponding to the rear screen 410 in a length direction, and the upper surface of the mounting box 100 is provided with a second fixing groove 120 corresponding to two side screens 320 in a width direction.

The second fixing groove 120 is not limited to penetrate to the front surface of the mounting box 100, and when it does not penetrate to the front surface, the second fixing groove 120 can form a fixing effect to the side screen 320 in conformity with the width dimension of the side screen 320.

In one embodiment, the second fixing groove 120 extends to the front surface of the mounting box 100, wherein the front surface of the mounting box 100 is a surface thereof near the front screen 310 in the width direction.

In this embodiment, during the process of installing the first protection net 300, the side net plate 320 of the first protection net 300 is pushed in from the second fixing groove 120, so that the alignment accuracy between the first protection net 300 and the second protection net 400 is ensured.

The utility model also provides an air purifier, which comprises a casing 500, a fan 600 and the plasma generator, wherein a fixing piece is arranged corresponding to the first fixing hole 411 and the fixing lug 321, and penetrates through the outer wall of the casing 500 and connects the fixing lug 321 with the first fixing hole 411.

When the first protective net 300 and the second protective net 400 are connected by the bolt structure or the rivet structure, they can be fixed to the cabinet 500 of the air cleaner, and the fixing effect of the corresponding first protective net 300 and second protective net 400 is improved. When the casing 500 is opened in other manners, the first protective net 300 and the second protective net 400 cannot be removed, and only after the fixing member is removed, the first protective net 300 and the second protective net 400 can be removed, so that the safety in use is improved.

Referring to fig. 8, in one embodiment, a concave supporting cylinder 530 is disposed on the inner wall of the housing 500 at a position corresponding to the first fixing hole 411, and the supporting cylinder 530 penetrates through an alignment hole through which the fixing member penetrates in the length direction.

During the installation, the first protective net 300 and the second protective net 400 may be commonly fixed to the cabinet 500, except in the foregoing embodiments. In this embodiment, the second protection net 400 is separated from the housing 500 by the supporting cylinder 530 integrally provided to the housing 500, so that the utilization efficiency of the entire ion tube unit 200 is ensured. The processing of the holding cylinder 530 on the casing 500 can be achieved by the molding adjustment of the mold.

Referring to fig. 5 to 7, in one embodiment, the number of fans 600 is two, and the fans are respectively disposed corresponding to the two side screens 320, an air outlet 510 is disposed at the top of the housing 500, and an air inlet 520 is disposed on the side wall of the housing 500 corresponding to the fans 600.

In this embodiment, the fans 600 are respectively disposed at two ends of the first protection net 300 in the width direction, and meanwhile, the air outlets 510 are disposed at the top of the casing 500, and corresponding to the fans 600, an air duct structure may be disposed to guide the air flow to the air outlets 510, at this time, the air inlet volume is large, and the air outlet angle is upward, so that the use effect of the air purifier is guaranteed.

In summary, in the operation-safe plasma generator and the air purifier provided by the utility model, the U-shape of the first protection net 300 and the L-shape of the second protection net 400 form a net cage structure, so that the alignment and combination process between the two is simpler, and the possibility of accidental contact of a user with the ion tube 200 is reduced while the ion tube 200 is protected; the first protective net 300 and the second protective net 400 can be independently processed or independently connected, so that the processing difficulty is reduced and the processing efficiency is improved; the net cage structure can realize air inlet and outlet better.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the utility model.

Claims (10)

1. An operationally safe plasma generator, comprising:

a mounting box (100);

a drive assembly disposed within the mounting box (100);

an ion tube part (200) mounted on the upper surface of the mounting box (100) and electrically connected to a driving assembly inside the mounting box (100);

a first protective net (300) comprising a front net plate (310) and two side net plates (320) connected to the front net plate (310) in the width direction, wherein the cross section of the first protective net (300) in the height direction is U-shaped;

the second protection net (400) comprises a rear net plate (410) and a top net plate (420) connected to the top of the rear net plate (410), the longitudinal section of the second protection net (400) in the height direction is L-shaped, and the second protection net (400) is connected with the first protection net (300) to form a net cage structure with an opening at the lower end;

wherein the netpen structure is fixed to the mounting box (100) or to an external fixation structure.

2. The operation-safe plasma generator of claim 1, wherein the first protective mesh (300) is an integrally formed structure.

3. The operation-safe plasma generator of claim 2, wherein the second protective net (400) is an integrally formed structure.

4. An operation-safe plasma generator according to any one of claims 1 to 3, characterized in that the rear screen (410) is provided with a plurality of first fixing holes (411), and the side screen (320) is provided with fixing lugs (321) corresponding to the first fixing holes (411).

5. The operation-safe plasma generator of claim 4, wherein the fixing lugs (321) and the side screen (320) are integrally formed.

6. The operation-safe plasma generator of claim 4, wherein the first fixing hole (411) is coupled to the fixing lug (321) by a pull rivet.

7. The operation-safe plasma generator according to claim 1, wherein a first fixing groove (110) corresponding to the rear mesh plate (410) is provided in a length direction of an upper surface of the mounting box (100), and a second fixing groove (120) corresponding to two side mesh plates (320) is provided in a width direction of the upper surface of the mounting box (100).

8. An air cleaner characterized by comprising a casing (500), a blower (600) and the plasma generator of any one of claims 4 to 7, wherein fixing members are provided corresponding to the first fixing holes (411) and the fixing lugs (321), and penetrate through the outer wall of the casing (500) and connect the fixing lugs (321) to the first fixing holes (411).

9. The air cleaner according to claim 8, wherein a concave supporting cylinder (530) is disposed on the inner wall of the housing (500) at a position corresponding to the first fixing hole (411), and the supporting cylinder (530) penetrates through an alignment hole through which the fixing member penetrates in the length direction.

10. The air cleaner of claim 8, wherein the number of fans (600) is two, and the fans are respectively arranged corresponding to the two side screen plates (320), an air outlet (510) is formed in the top of the casing (500), and an air inlet (520) is formed in the side wall of the casing (500) corresponding to the fans (600).