Plasma generator of integrated punch forming electrode net

Abstract

The plasma generator comprises a fixing plate, an elastic insulating base, a single-pass glass tube and a metal net, the fixing plate is made of insulating materials and provided with an inner electrode conductive screw, the elastic insulating base is elastically attached and fixed to an opening, and the single-pass glass tube is fixed to the opening. The metal net is of a cylindrical structure formed by winding a metal sheet with holes integrally formed through punching, the metal net comprises an inner electrode conductive net and an outer electrode conductive net, a first inner cavity of the inner electrode conductive net is matched with the outer diameter of the inner electrode conductive screw rod, and the inner electrode conductive screw rod is arranged in the first inner cavity in a sleeving mode; the outer diameter of the second inner cavity of the outer electrode conductive net is matched with that of the one-way glass tube, and the one-way glass tube is arranged in the second inner cavity in a sleeved mode. The metal net is of a cylindrical structure formed by winding a metal sheet with integrally punched and formed rhombic holes, the inner diameter of the metal net is basically kept consistent, and therefore the metal net is stable and firm in structure, has supporting performance, can avoid looseness of the metal net and is more stable in attaching degree.

Description

Technical Field

[0001] The utility model relates to the field of air purifiers, in particular to a plasma generator with an integrated stamped electrode mesh. Background Art

[0002] The main working principle of the plasma generator is to increase the low voltage to positive high voltage and negative high voltage through a boost circuit, and use the positive high voltage and negative high voltage to ionize the air (mainly oxygen) to produce a large number of positive ions and negative ions. The number of negative ions is greater than the number of positive ions (the number of negative ions is about 1.5 times the number of positive ions).

[0003] As the requirements for air purifiers increase, plasma air purifiers have the advantages of good air purification effect and non-irritation (compared with ultraviolet irradiators and ozone generators).

[0004] Existing plasma generators generally include two parts: an inner electrode conductive mesh and an outer electrode conductive mesh;

[0005] However, the existing metal mesh has the following disadvantages:

[0006] 1. Existing metal mesh is generally woven into a roll shape, and the mesh holes are generally square holes. Its advantage is that it has a certain degree of deformation, which makes it easy to install. However, the metal mesh structure is relatively loose, which affects the stable release of plasma (which can be understood as the poor consistency of the square hole diameter);

[0007] 2. When the metal mesh structure is relatively loose, by-products (mainly ozone) are easily produced, causing the ozone concentration to exceed the standard and affecting the purity and concentration of the plasma;

[0008] 3. The connecting ends between the meshes are generally crimped (hence the convex part), so the fit between the metal mesh and the glass tube is poor, and the metal mesh and the glass tube are elastically fitted, so the contact area is small, resulting in low efficiency and high energy consumption.

[0009] 4. The metal mesh and the glass tube are elastically fitted together, so the adhesion is relatively low. It is easy to loosen during transportation or use, affecting the stability of the plasma generator. Utility Model Content

[0010] The main purpose of the utility model is to propose a plasma generator with an integrally stamped electrode mesh, which aims to integrally stamp a metal sheet with diamond holes and roll the metal sheet into a cylindrical shape as an electrode mesh, so that its structure is firm and not easy to loosen, thereby ensuring stable plasma release.

[0011] To achieve the above-mentioned purpose, the present invention proposes a plasma generator with an integrated stamped electrode mesh, comprising:

[0012] A fixing plate, the fixing plate being made of an insulating material and provided with an inner electrode conductive screw;

[0013] An elastic insulating base, wherein the elastic insulating base is provided with a through hole for the inner electrode conductive screw to pass through;

[0014] A single-pass glass tube is a tube body with an opening at the lower end, and the elastic insulating base is elastically fitted and fixed to the opening.

[0015] The metal mesh is formed by rolling a metal sheet with holes punched into a cylindrical structure, and the metal mesh includes an inner electrode conductive mesh and an outer electrode conductive mesh.

[0016] The first inner cavity of the inner electrode conductive mesh is adapted to the outer diameter of the inner electrode conductive screw, and the inner electrode conductive screw is sleeved in the first inner cavity;

[0017] The second inner cavity of the outer electrode conductive mesh is adapted to the outer diameter of the single-pass glass tube, and the single-pass glass tube is sleeved in the second inner cavity.

[0018] In this technical solution, the metal mesh is formed by rolling a metal sheet with integrally punched diamond holes into a cylindrical structure, and its inner diameter remains basically consistent, so the structure is stable and firm, and has support, which can prevent the metal mesh from loosening, and the fit is more stable (that is, the spacing between the inner electrode conductive mesh and the outer electrode conductive mesh is consistent), so that the number of meshes or area of ​​the inner electrode conductive mesh and the outer electrode conductive mesh can be guaranteed to be constant, reducing the production of by-products (mainly ozone), effectively controlling the ozone concentration, and improving the purity and concentration of the plasma. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a cross-sectional view of the utility model;

[0020] Figure 2 This is a three-dimensional schematic diagram of the utility model after the outer electrode conductive mesh is hidden;

[0021] Figure 3 It is a three-dimensional schematic diagram of the utility model;

[0022] Figure 4 It is a three-dimensional schematic diagram of the utility model;

[0023] Figure 5 Schematic diagram of the metal sheet.

[0024] In the figure,

[0025] 1 is a fixed plate,

[0026] 21 is the inner electrode conductive screw, 22 is the elastic insulating base, 23 is the gasket, 24 is the single-pass glass tube, 25 is the positioning groove,

[0027] 3 is a metal mesh, 301 is a metal sheet, 302 is a hole, 303 is a mesh wire, 31 is an inner electrode conductive mesh, 32 is an outer electrode conductive mesh,

[0028] 41 is a double-pass insulating stud, 42 is a countersunk screw,

[0029] 5 is a conductive plate,

[0030] 61 is the inner electrode sheet, and 62 is the outer electrode sheet. DETAILED DESCRIPTION

[0031] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial...), then the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0033] In addition, if there are descriptions involving "first" or "second" in the embodiments of the present invention, the descriptions of "first" or "second" are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features specified as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0034] like Figures 1 to 5 As shown, a plasma generator with an integrally stamped electrode mesh comprises:

[0035] A fixed plate 1, made of insulating material, provided with an inner electrode conductive screw 21;

[0036] An elastic insulating base 22, wherein the elastic insulating base 22 is provided with a through hole for the inner electrode conductive screw 21 to pass through;

[0037] The single-pass glass tube 24 is a tube body with an opening at the lower end, and the elastic insulating base 22 is elastically fitted and fixed to the opening.

[0038] The metal mesh 3 is formed by rolling a metal sheet 301 with integrally punched holes 302 into a cylindrical structure. The metal mesh 3 includes an inner electrode conductive mesh 31 and an outer electrode conductive mesh.

[0039] The first inner cavity of the inner electrode conductive mesh 31 is adapted to the outer diameter of the inner electrode conductive screw 21 , and the inner electrode conductive screw 21 is sleeved in the first inner cavity;

[0040] The second inner cavity of the outer electrode conductive mesh 32 is adapted to the outer diameter of the single-pass glass tube 24 , and the single-pass glass tube 24 is sleeved in the second inner cavity.

[0041] In the present technical solution, the metal mesh 3 is formed by a metal sheet 301 with integrally stamped diamond-shaped holes and wound into a cylindrical structure, and its inner diameter remains basically consistent, so the structure is stable and firm, and has support, which can prevent the metal mesh 3 from loosening, and the fit is more stable (that is, the spacing between the inner electrode conductive mesh 31 and the outer electrode conductive mesh 32 is consistent), so that the number of meshes or the area of ​​the inner electrode conductive mesh 31 and the outer electrode conductive mesh 32 can be guaranteed to be constant, reducing the production of by-products (mainly ozone), effectively controlling the ozone concentration, and improving the purity and concentration of the plasma.

[0042] Specifically, both side ends of the metal sheet 301 are formed by welding or pressing, and generally need to be polished a second time after welding or pressing to ensure smoothness and burr-free.

[0043] In the embodiment of the present invention, the shape of the holes 302 is rhombus, rectangle, square or triangle. The preferred embodiment is rhombus, which has better support and can also ensure the conductive area of ​​the metal mesh 3.

[0044] Specifically, the holes 302 are surrounded by a flat mesh wire 303. The metal plate is preferably a thin sheet of metal. The holes 302 are then punched out to form the mesh wire. Finally, the metal plate is wound, welded, and polished on both ends. Finally, the inner electrode conductive mesh 31 is attached to the inner electrode conductive screw, and the outer electrode metal sleeve is attached to the single-pass glass tube 24.

[0045] At the same time, when the mesh wire is in a flat strip shape, the contact area between the metal mesh 3 and the wall of the single-pass glass tube 24 is increased when the metal mesh 3 elastically contacts the wall of the single-pass glass tube 24, thereby improving efficiency and effectively reducing energy consumption.

[0046] In an embodiment of the present utility model, a positioning groove 25 is recessed at the upper end of the elastic insulating base 22, and the lower end of the single-pass glass tube 24 is inserted into the positioning groove 25, and a gasket 23 is provided between the lower end of the single-pass glass tube 24 and the upper wall of the positioning groove 25. Of course, in a specific embodiment, the single-pass glass tube 24 can also be inserted into the outer peripheral wall of the elastic insulating base 22 to achieve a sealing effect.

[0047] Specifically, the upper end of the inner electrode conductive screw 21 is provided with a double-pass insulating stud 41, to which a countersunk screw 42 is screwed. The countersunk screw 42 is electrically connected to the inner electrode conductive screw 21. The upper end of the inner electrode conductive mesh 31 is sleeved on the outer circumferential wall of the double-pass insulating stud 41, and the inner electrode conductive mesh 31 is electrically connected to the countersunk screw 42, thereby achieving electrical conductivity of the inner electrode conductive mesh 31. This ensures the alignment of the axis of the inner electrode conductive screw 21 and its fixation. A nut is screwed onto the lower portion of the inner electrode conductive screw 21.

[0048] In this embodiment of the present invention, a bent conductive plate 5 extends from the upper end of the fixed plate 1. The upper end of the conductive plate 5 extends to and abuts the upper end of the outer electrode conductive mesh 32. The integrally formed conductive plate 5 can output greater power, ensure the stability of the generator, and reduce problems such as deformation and separation.

[0049] Specifically, the fixing plate 1 is provided with a first positioning hole and a second positioning hole. The first positioning hole is used to install the inner electrode sheet 61, and the second positioning hole is used to install the outer electrode sheet 62. The outer electrode sheet is connected to the conductive plate 5, thereby realizing the power supply of the positive and negative poles, making the layout more compact and stable.

[0050] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the practical concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A plasma generator with an integrally stamped electrode mesh, characterized in that: include: A fixing plate, the fixing plate being made of an insulating material and provided with an inner electrode conductive screw; An elastic insulating base, wherein the elastic insulating base is provided with a through hole for the inner electrode conductive screw to pass through; A single-pass glass tube is a tube body with an opening at the lower end, and the elastic insulating base is elastically fitted and fixed to the opening. The metal mesh is formed by rolling a metal sheet with holes punched into a cylindrical structure, and the metal mesh includes an inner electrode conductive mesh and an outer electrode conductive mesh. The first inner cavity of the inner electrode conductive mesh is adapted to the outer diameter of the inner electrode conductive screw, and the inner electrode conductive screw is sleeved in the first inner cavity; The second inner cavity of the outer electrode conductive mesh is adapted to the outer diameter of the single-pass glass tube, and the single-pass glass tube is sleeved in the second inner cavity.

2. The plasma generator with an integrally stamped electrode mesh according to claim 1, characterized in that: Both side ends of the metal sheet are welded or pressed together.

3. The plasma generator with an integrally stamped electrode mesh according to claim 1, characterized in that: The shape of the holes is diamond, rectangular, square or triangular.

4. The plasma generator with an integrally stamped electrode mesh according to claim 1, characterized in that: The holes are surrounded by mesh wires, and the mesh wires are flat.

5. The plasma generator with an integrally stamped electrode mesh according to claim 1, characterized in that: The upper end of the elastic insulating base is concavely provided with a positioning groove, the lower end of the single-pass glass tube is inserted into the constant temperature tank, and a gasket is provided between the lower end of the single-pass glass tube and the upper wall of the positioning groove.

6. The plasma generator with an integrally stamped electrode mesh according to claim 1, characterized in that: A double-pass insulating stud is provided at the upper end of the inner electrode conductive screw, a countersunk screw is screwed onto the upper end of the double-pass insulating stud, and the countersunk screw is electrically connected to the inner electrode conductive screw. The upper end of the inner electrode conductive mesh is sleeved on the outer peripheral wall of the double-pass insulating stud, and the inner electrode conductive mesh is electrically connected to the countersunk screw.

7. The plasma generator with an integrally stamped electrode mesh according to claim 1, characterized in that: A bent conductive plate extends from the upper end of the fixing plate, and the upper end of the conductive plate extends to and abuts against the upper end of the outer electrode conductive mesh.

8. The plasma generator with an integrally stamped electrode mesh according to claim 7, characterized in that: The fixing plate is provided with a first positioning hole and a second positioning hole, the first positioning hole is used for installing the inner electrode sheet, and the second positioning hole is used for installing the outer electrode sheet, and the outer electrode sheet is connected to the conductive plate.

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