Annular plasma generating device
By designing an annular plasma generator, using threaded connections and limit rings to stabilize the negative and positive electrode conduits, and combining ventilation plates to guide the airflow, the problem of difficulty in generating continuous annular plasma in the existing technology is solved, and simple and stable plasma generation is achieved.
Patent Information
- Application Number
- CN202422418523.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-10-08
AI Technical Summary
It is difficult to simply and stably generate continuous annular plasma with existing technologies, which makes plasma generation and control complicated.
A ring-shaped plasma generator is designed, including a cylindrical shell, a cathode conduit and a cathode conduit. Stability is ensured by threaded connections and limit rings. A ventilation plate is used to guide the airflow to form a ring-shaped plasma, and a continuous cavity is formed between the cathode conduit and the cathode conduit.
The device has a simple structure, a small size and can form a continuous annular plasma by blowing air. The overall process is simple and the device has high stability.
Smart Images
Figure CN223334830U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of plasma devices and relates to a ring-shaped plasma generating device. Background Art
[0002] Plasma is an ionized gaseous substance composed of positive and negative ions produced by the ionization of atoms and atomic groups stripped of some of their electrons. Its motion is primarily governed by electromagnetic forces and exhibits significant collective behavior. Several methods exist for generating plasma, including high-temperature heating, strong electromagnetic fields, photoionization, radiative dissociation, thermal electron impact, and electron collisions. Due to the high activity and instability of plasma, its generation and control are complex. Therefore, it is important to design a ring-shaped plasma generator that can simply generate a continuous, ring-shaped plasma. Utility Model Content
[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and to provide an annular plasma generating device with a simple structure and stable performance.
[0004] The utility model is realized by the following technical solution: a ring-shaped plasma generating device, comprising a cylindrical shell and a negative electrode conduit and a positive electrode conduit arranged on the upper and lower sides of the shell, the shell is composed of a cylindrical outer shell with a concentric circle and a cylindrical ventilation plate arranged inside the outer shell, the ventilation plate and the outer shell are connected by a first connecting member, a first cavity is formed between the ventilation plate and the outer shell, an air inlet is provided on the side of the outer shell, and a cover plate is provided on the top of the outer shell, the cover plate is fixedly connected to the outer shell by a second connecting member, and the middle position of the cover plate is fixed to the outer shell. A first circular hole with a first internal thread matching the negative electrode conduit is provided, and a second circular hole with a second internal thread matching the positive electrode conduit is provided at the bottom of the outer shell. First and second external threads matching the first and second internal threads are provided on the outer sides of the negative electrode conduit and the positive electrode conduit. The negative electrode conduit and the positive electrode conduit are connected to the cover plate and the outer shell through the threads, and a complete and continuous second cavity is formed between the negative electrode conduit, the cylindrical ventilation plate and the positive electrode conduit after installation; the negative electrode conduit and the positive electrode conduit are also provided with a negative electrode connector and a positive electrode connector, respectively.
[0005] Preferably, a first limiting ring is installed at the connection between the top cover of the outer shell and the negative electrode conduit, located on the outside of the negative electrode conduit; a second limiting ring is installed at the connection between the bottom of the outer shell and the positive electrode conduit, located on the outside of the positive electrode conduit; the first limiting ring and the second limiting ring are used to ensure the stability of the overall installation and the internal airtightness.
[0006] Preferably, the first connecting member between the outer shell and the ventilation plate is at least three fixing columns, which are evenly distributed at the three corners of the ventilation plate, one end of which is connected to the inner wall of the outer shell, and the other end is connected to the outer wall of the ventilation plate, so as to ensure the strength and stability between the outer shell and the ventilation plate.
[0007] Preferably, the second connecting member between the outer shell and the cover plate is composed of a plurality of first threaded holes arranged at the edge of the outer shell, a plurality of second threaded holes arranged at the edge of the cover plate and penetrating the cover plate, and screws, wherein the number and positions of the first threaded holes and the second threaded holes correspond to each other and are evenly distributed at the edges of the outer shell and the cover plate, and a screw is inserted into each corresponding first threaded hole and second threaded hole to achieve fixation between the outer shell and the cover plate.
[0008] Preferably, at least six oblique openings are provided on the ventilation plate, so that the wind entering from the air inlet of the outer shell is blown around each oblique opening on the ventilation plate toward the plasma formed between the negative electrode conduit and the positive electrode conduit.
[0009] Preferably, the negative electrode conduit and the positive electrode conduit are both cylindrical structures, and the diameters of the negative electrode conduit and the positive electrode conduit are both smaller than the diameter of the outer shell, and an opening extending outward in an eight-shaped structure is provided at one end of the negative electrode conduit and the positive electrode conduit away from the outer shell.
[0010] Preferably, a third cavity is provided in the positive electrode conduit.
[0011] The beneficial effects of the utility model are as follows:
[0012] The utility model has a simple overall structure, and a simple blowing method is used to transform a single-point plasma shape into a ring-shaped and continuous plasma shape. The entire device is small in size and the overall process is simple. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0014] Figure 2 This is a front cross-sectional view (exploded view) of the shell and cover.
[0015] Figure 3 A top view of the shell.
[0016] Figure 4 This is a forward schematic diagram of the positive electrode catheter. DETAILED DESCRIPTION
[0017] In order to enable those skilled in the art to more clearly understand the purpose, technical solutions and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments.
[0018] In the description of the present invention, it should be understood that the orientations or positional relationships indicated by terms such as "upper", "lower", "left", "right", "inside", "outside", "horizontal", and "vertical" are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or original referred to must have a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.
[0019] The present invention will be described in detail below with reference to the accompanying drawings: Figure 1-2 As shown, a ring-shaped plasma generating device comprises a cylindrical shell 1 and a negative electrode conduit 2 and a positive electrode conduit 3 arranged on the upper and lower sides of the shell 1, the shell 1 is composed of a concentric cylindrical outer shell 25 and a cylindrical and hollow ventilation plate 15 arranged inside the outer shell 25, the ventilation plate 15 and the outer shell 25 are connected by a first connecting member, and a first cavity 19 is formed between the ventilation plate 15 and the outer shell 25, the side of the outer shell 25 is provided with an air inlet 5, and a cover plate 12 is provided on the top of the outer shell 25, the cover plate 12 is fixedly connected to the outer shell 25 by a second connecting member, and a middle position of the cover plate 12 is provided with a positive electrode conduit 3. A first circular hole 17 with a first internal thread 21 matching the negative electrode conduit 2 is provided at the bottom of the outer shell 25, and a second circular hole 20 with a second internal thread 16 matching the positive electrode conduit 3 is provided. First external threads 6 and second external threads 7 matching the first internal thread 21 and the second internal thread 16 are provided on the outside of the negative electrode conduit 2 and the positive electrode conduit 3. The negative electrode conduit 2 and the positive electrode conduit 3 are connected to the cover plate 12 and the outer shell 25 through the threads, and a complete and continuous second cavity 24 is formed between the negative electrode conduit 2, the ventilation plate 15 and the positive electrode conduit 3 after installation; the negative electrode conduit 2 and the positive electrode conduit 3 are also provided with a negative electrode connector 4 and a positive electrode connector 8, respectively.
[0020] A first limiting ring 9 is installed at the connection between the top cover 12 of the outer shell 25 and the negative electrode conduit 2, and a second limiting ring 10 is installed at the connection between the bottom of the outer shell 25 and the positive electrode conduit 3, and the first limiting ring 9 and the second limiting ring 10 are used to ensure the stability of the overall installation and the internal airtightness.
[0021] like Figure 3-4 As shown, the first connecting member between the outer shell 25 and the ventilation plate 15 is at least three fixing columns 14, which are evenly distributed at the three corners of the ventilation plate. One end of the fixing columns 14 is connected to the inner wall of the outer shell 25, and the other end is connected to the outer wall of the ventilation plate 15, so as to ensure the strength and stability between the outer shell 25 and the ventilation plate 15.
[0022] The second connecting member between the outer shell 25 and the cover plate 12 is composed of a plurality of first threaded holes 22 arranged at the edge of the outer shell 25, a plurality of second threaded holes 13 arranged at the edge of the cover plate and penetrating the cover plate 12, and a screw 11, wherein the number and position of the first threaded holes 22 and the second threaded holes 13 correspond to each other and are evenly distributed at the edges of the outer shell 25 and the cover plate 12, respectively. A screw 11 is inserted into each corresponding first threaded hole 22 and second threaded hole 13 to achieve fixation between the outer shell 25 and the cover plate 12.
[0023] The ventilation plate 15 is provided with at least six oblique openings 18 for the wind entering from the air inlet 5 of the outer shell 25 to blow obliquely around each oblique opening 18 on the ventilation plate 15 toward the plasma formed between the negative electrode conduit 2 and the positive electrode conduit 3 .
[0024] The negative electrode conduit 2 and the positive electrode conduit 3 are both cylindrical in structure, and their diameters are smaller than the diameter of the outer shell 25. An opening 26 extending outward in an eight-shaped structure is provided at one end of the negative electrode conduit 2 and the positive electrode conduit 3 away from the outer shell 25. A third cavity 23 is provided within the positive electrode conduit 3.
[0025] The working principle and process of this utility model are as follows:
[0026] This equipment diffuses the point-to-point plasma form into the plasma form of the entire surface by blowing air.
[0027] The first retaining ring 9 is threadedly connected to the negative electrode conduit 2, and the second retaining ring 10 is threadedly connected to the positive electrode conduit 3. The negative electrode conduit 2 and the positive electrode conduit 3 are then threadedly connected to the housing 1. Negative pressure is applied to the negative electrode connector 4, and positive pressure is applied to the positive electrode connector 8. The distance between the negative electrode conduit 2 and the positive electrode conduit 3 is controlled by the first and second external threads 6 and 7, so that plasma appears at the closest distance between the negative electrode conduit 2 and the positive electrode conduit 3. At this point, the first and second retaining rings 9 and 10 are rotated toward the housing 1 to secure the negative electrode conduit 2 and the positive electrode conduit 3. Air is introduced through the air inlet 5. Due to the presence of the ventilation plate 15, the incoming air is directed around the six oblique openings 18 on the ventilation plate 15 and blows obliquely toward the plasma formed between the negative electrode conduit 2 and the positive electrode conduit 3. Due to the characteristics of plasma, plasma appears on the entire surface of the negative electrode conduit 2 and the positive electrode conduit 3.
[0028] The specific embodiments described herein are merely illustrative of the principles and effects of this utility model and are not intended to limit this utility model. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, any equivalent modifications or alterations made by one of ordinary skill in the art without departing from the spirit and technical concepts disclosed in this utility model shall be covered by the claims of this utility model.
Claims
1. A ring-shaped plasma generating device, comprising a cylindrical shell (1) and a negative electrode conduit (2) and a positive electrode conduit (3) arranged on upper and lower sides of the shell (1), characterized in that: The shell (1) is composed of a cylindrical outer shell (25) with a concentric center and a cylindrical and hollow ventilation plate (15) arranged inside the outer shell (25), the ventilation plate (15) and the outer shell (25) are connected by a first connecting member, and a first cavity (19) is formed between the ventilation plate (15) and the outer shell (25), an air inlet (5) is provided on the side of the outer shell (25), and a cover plate (12) is provided on the top of the outer shell (25), the cover plate (12) is fixedly connected to the outer shell (25) by a second connecting member, and a first circular hole (17) with a first internal thread (21) matching the negative electrode conduit (2) is provided in the middle position of the cover plate (12), and the outer shell (25) is provided with a first circular hole (17) with a first internal thread (21) matching the negative electrode conduit (2). A second circular hole (20) with a second internal thread (16) matching the positive electrode conduit (3) is provided at the bottom of the body (25), and a first external thread (6) and a second external thread (7) matching the first internal thread (21) and the second internal thread (16) are provided on the outside of the negative electrode conduit (2) and the positive electrode conduit (3). The negative electrode conduit (2) and the positive electrode conduit (3) are connected to the cover plate (12) and the outer shell (25) through the threads, and a complete and continuous second cavity (24) is formed between the negative electrode conduit (2), the ventilation plate (15) and the positive electrode conduit (3) after installation; and a negative electrode connector (4) and a positive electrode connector (8) are also provided on the negative electrode conduit (2) and the positive electrode conduit (3), respectively.
2. The annular plasma generating device according to claim 1, characterized in that: A first limiting ring (9) is installed at a connection point between the top cover plate (12) of the outer shell (25) and the negative electrode conduit (2) and located outside the negative electrode conduit (2). A second limiting ring (10) is installed at a connection point between the bottom of the outer shell (25) and the positive electrode conduit (3) and located outside the positive electrode conduit (3). The first limiting ring (9) and the second limiting ring (10) are used to ensure stability after overall installation and to ensure internal airtightness.
3. The annular plasma generating device according to claim 2, characterized in that: The first connecting member between the outer shell (25) and the ventilation plate (15) is at least three fixing columns (14), which are evenly distributed at three corners of the ventilation plate, one end of which is connected to the inner wall of the outer shell (25) and the other end of which is connected to the outer wall of the ventilation plate (15), so as to ensure the strength and stability between the outer shell (25) and the ventilation plate (15).
4. The annular plasma generating device according to claim 3, characterized in that: The second connecting member between the outer shell (25) and the cover plate (12) is composed of a plurality of first threaded holes (22) arranged at the edge of the outer shell (25), a plurality of second threaded holes (13) arranged at the edge of the cover plate and penetrating the cover plate (12), and screws (11), wherein the number and positions of the first threaded holes (22) and the second threaded holes (13) correspond to each other and are evenly distributed at the edges of the outer shell (25) and the cover plate (12), and a screw (11) is inserted into each corresponding first threaded hole (22) and second threaded hole (13) to achieve fixation between the outer shell (25) and the cover plate (12).
5. The annular plasma generating device according to claim 3 or 4, characterized in that: The ventilation plate (15) is provided with at least six oblique openings (18) for blowing air entering from the air inlet (5) of the outer shell (25) around each oblique opening (18) on the ventilation plate (15) toward the plasma formed between the negative electrode conduit (2) and the positive electrode conduit (3).
6. The annular plasma generating device according to claim 5, characterized in that: The negative electrode conduit (2) and the positive electrode conduit (3) are both cylindrical structures, and the diameters of the negative electrode conduit (2) and the positive electrode conduit (3) are both smaller than the diameter of the outer shell (25), and an opening (26) extending outward in an eight-shaped structure is provided at one end of the negative electrode conduit (2) and the positive electrode conduit (3) away from the outer shell (25).
7. The annular plasma generating device according to claim 6, characterized in that: A third cavity (23) is provided in the positive electrode conduit (3).