Plasma generator

Abstract

The utility model discloses a plasma generator, which belongs to the technical field of plasma generators and comprises a shell, a generator body is arranged in the shell, ports are arranged at one end of the shell and one end of the generator body, and piezoelectric ceramic pieces are arranged at the ports of the generator body. An insulating plate corresponding to the piezoelectric ceramic piece is arranged at the through opening of the shell, a connecting cylinder is arranged at the end, away from the through opening, of the shell, a connecting frame is arranged at the end, away from the shell, of the connecting cylinder, the shell and the connecting cylinder are connected through a connecting assembly, and the connecting frame and the connecting cylinder are connected through a connecting assembly. A filter screen located on the side, away from the connecting cylinder, of the draught fan is arranged in the connecting frame, a water storage cavity and an air guide channel are formed in the connecting cylinder, a humidification assembly is arranged at the end, close to the connecting cylinder, in the generator body, and the air purifier has the advantages of air purification, uniform air humidification, efficient sterilization, sealed connection, safety, reliability, simplicity, convenience and practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of plasma generators, in particular to a plasma generator. Background Art

[0002] A plasma generator is a device that converts gas into plasma. Plasma is a substance composed of one or more pairs of electrons and atomic nuclei, and has the characteristics of high energy, high temperature, high current density and high magnetic field strength. The working principle of a plasma generator is mainly to use an electrode to generate a high-energy current, which passes through the gas and converts it into plasma. When the plasma comes into contact with pollutants, the pollutants are depolymerized, oxidized or directly degraded, thereby achieving the purpose of air purification or water purification.

[0003] In the prior art, a plasma generator includes a flow-equalizing membrane frame, a connecting shell, an insulating shell, a piston rod and a micro-atomizing nozzle, wherein the inner surface of the flow-equalizing membrane frame is provided with a flow-equalizing membrane, and an exhaust fan is provided inside the connecting shell; however, since the position of the micro-atomizing nozzle is fixed, it is inconvenient to uniformly humidify the interior of the plasma generator, and the incoming gas is moved from left to right by the exhaust fan, and the sprayed water mist will be directly brought to the piezoelectric ceramic sheet and the insulating plate by the drawn-in gas and discharged with the gas, and it is impossible to create a humidifying condition for the gas in the middle of the plasma generator, so that less strongly oxidizing hydroxyl radicals and active oxygen groups are generated in the plasma generator, and the overall sterilization effect produced by the plasma generator is not ideal.

[0004] Therefore, it is necessary to provide a plasma generator to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, an object of the embodiments of the present utility model is to provide a plasma generator to solve the problems in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A plasma generator comprises a shell, wherein a generator body is arranged inside the shell, through openings are arranged at one end of the shell and the generator body, a piezoelectric ceramic sheet is arranged at the through opening of the generator body, an insulating plate corresponding to the piezoelectric ceramic sheet is arranged at the through opening of the shell, a connecting cylinder is arranged at one end of the shell away from the through opening, a connecting frame is arranged at one end of the connecting cylinder away from the shell, the shell and the connecting cylinder are connected through a connecting assembly, a fan is arranged inside the connecting frame, a filter screen is arranged inside the connecting frame and is located on a side of the fan away from the connecting cylinder, a water storage chamber and an air guide channel are arranged inside the connecting cylinder, and a humidifying assembly is arranged at one end of the generator body close to the connecting cylinder.

[0008] As a further solution of the utility model, the connecting assembly includes groove 1 respectively arranged on the outer wall of the outer shell, the outer wall of the connecting tube and the outer wall of the connecting frame, and rings are respectively sleeved on the outer sides of both ends of the connecting tube, and a plurality of grooves 2 corresponding to groove 1 are provided on the side walls of the rings, and a sealing ring is provided between the grooves 1 and 2, and the rings are respectively connected to the outer shell, the connecting frame and the connecting tube through connecting screws.

[0009] As a further solution of the utility model, the humidification component includes a connecting ring tube arranged inside the generator body, the connecting ring tube is located at one end of the generator body close to the connecting cylinder, a plurality of atomizing nozzles are circumferentially distributed on the inner side of the connecting ring tube, a water pump is provided on the outer side of the connecting ring tube, the input end of the water pump is connected to the water storage chamber through a water suction pipe, the output end of the water pump is connected to the inside of the connecting ring tube, and the water storage chamber is connected to the water injection equipment through a water inlet pipe.

[0010] As a further solution of the utility model, the cross-sectional dimension of the air guide channel at one end close to the connection frame is larger than the cross-sectional dimension of the air guide channel at one end close to the shell.

[0011] As a further solution of the utility model, the shape of the piezoelectric ceramic sheet is set to be a honeycomb shape, and the shape of the insulating plate is set to be a honeycomb shape.

[0012] As a further solution of the utility model, the cross section of the collar is configured to be a right-angled plate.

[0013] As a further solution of the utility model, the groove 1 and the groove 2 are both configured as annular grooves with a semicircular cross-section.

[0014] As a further solution of the utility model, the spraying direction of the atomizing nozzle is inclined towards a direction away from the connecting tube.

[0015] As a further solution of the utility model, the inner diameter of the connecting ring tube is larger than the diameter of the air guide channel at one end close to the generator body.

[0016] In summary, the embodiments of the present invention have the following beneficial effects compared with the prior art:

[0017] The utility model can introduce external air into the shell and the inside of the generator body through the fan through the connecting tube, filter and purify the introduced air through the filter, and humidify the air through the humidification component, so as to reduce the internal temperature of the generator body and generate more hydroxyl free radicals and active oxygen groups with strong oxidizing properties in the generator body, thereby improving the sterilization effect. The piezoelectric ceramic sheet and the insulating plate can facilitate the discharge of the sterilized gas, and the connecting component can realize the sealed connection between the shell and the connecting tube and between the connecting tube and the connecting frame, thereby improving the safety performance of the device, and achieving the effects of air purification, uniform air humidification, efficient sterilization, sealed connection, safety, reliability, simplicity and practicality.

[0018] In order to more clearly illustrate the structural features and functions of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of a plasma generator in an embodiment of the utility model.

[0020] Figure 2 for Figure 1 A is an enlarged view of the middle image.

[0021] Figure 3 for Figure 1 Enlarged view of B.

[0022] Figure numerals: 1. outer shell; 2. generator body; 3. connecting frame; 4. filter; 5. fan; 6. connecting box; 7. water storage chamber; 8. water inlet pipe; 9. connecting ring pipe; 10. atomizing nozzle; 11. groove one; 12. sealing ring; 13. groove two; 14. ring; 15. connecting screw; 16. water guide pipe; 17. water pump; 18. water suction pipe; 19. piezoelectric ceramic sheet; 20. insulating plate; 21. air guide channel. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0025] In one embodiment of the present invention, see Figure 1The plasma generator comprises a shell 1, a generator body 2 is arranged inside the shell 1, through openings are arranged at one end of the shell 1 and the generator body 2, a piezoelectric ceramic sheet 19 is arranged at the through opening of the generator body 2, an insulating plate 20 corresponding to the piezoelectric ceramic sheet 19 is arranged at the through opening of the shell 1, a connecting cylinder 6 is arranged at the end of the shell 1 away from the through opening, a connecting frame 3 is arranged at the end of the connecting cylinder 6 away from the shell 1, the shell 1 and the connecting cylinder 6 are connected as well as the connecting frame 3 and the connecting cylinder 6 are connected by a connecting assembly, a fan 5 is arranged inside the connecting frame 3, a filter screen 4 is arranged inside the connecting frame 3 and is located on the side of the fan 5 away from the connecting cylinder 6, a water storage chamber 7 and an air guide channel 21 are arranged inside the connecting cylinder 6, and a humidifying assembly is arranged at one end of the generator body 2 close to the connecting cylinder 6.

[0026] In this embodiment, the external air can be introduced into the shell 1 and the generator body 2 through the connecting tube 6 by the fan 5, the introduced air can be filtered and purified by the filter 4, and the air can be humidified by the humidifying component, which is convenient for lowering the internal temperature of the generator body 2. At the same time, more hydroxyl free radicals and active oxygen groups with strong oxidizing properties can be generated in the generator body 2, thereby improving the sterilization effect. The piezoelectric ceramic sheet 19 and the insulating plate 20 are used to facilitate the discharge of the sterilized gas. The sealing connection between the shell 1 and the connecting tube 6 and the connecting tube 6 and the connecting frame 3 can be achieved by the connecting assembly, thereby improving the safety performance of the device, and having the effects of air purification, uniform air humidification, efficient sterilization, sealing connection, safety, reliability, simplicity and practicality. The air guide channel 21 is set to a funnel-shaped channel, and the cross-sectional size of the air guide channel 21 near the end of the connecting frame 3 is larger than the cross-sectional size of the air guide channel 21 near the end of the shell 1. The shape of the piezoelectric ceramic sheet 19 is set to a honeycomb shape, and the shape of the insulating plate 20 is set to a honeycomb shape.

[0027] In one embodiment of the present invention, see Figure 1 and Figure 2 The connecting assembly includes a groove 11 respectively arranged on the outer wall of the shell 1, the outer wall of the connecting tube 6 and the outer wall of the connecting frame 3, and the outer sides of the two ends of the connecting tube 6 are respectively sleeved with a ring 14, and the side wall of the ring 14 is provided with a plurality of grooves 13 corresponding to the groove 11, and a sealing ring 12 is provided between the groove 11 and the groove 2 13, and the ring 14 is respectively connected to the shell 1, the connecting frame 3 and the connecting tube 6 through connecting screws 15.

[0028] In this embodiment, the connection between the outer shell 1 and the connecting tube 6 and between the connecting frame 3 and the connecting tube 6 can be achieved through the ring 14 and the connecting screw 15. The connection between the outer shell 1 and the connecting tube 6 and between the connecting frame 3 and the connecting tube 6 can be sealed through the cooperation of the groove 11, the sealing ring 12 and the groove 2 13 to avoid the occurrence of gaps that affect the reliability of the device, wherein the cross-section of the ring 14 is set to a right-angle plate shape, and the groove 1 11 and the groove 2 13 are both set to be annular grooves with a semicircular cross-section.

[0029] In one embodiment of the present invention, see Figure 1 and Figure 3 The humidification component includes a connecting ring tube 9 arranged inside the generator body 2, the connecting ring tube 9 is located at one end of the generator body 2 close to the connecting tube 6, a plurality of atomizing nozzles 10 are circumferentially distributed on the inner side of the connecting ring tube 9, a water pump 17 is arranged on the outer side of the connecting ring tube 9, the input end of the water pump 17 is connected to the water storage chamber 7 through a water suction pipe 18, the output end of the water pump 17 is connected to the inside of the connecting ring tube 9 through 16, and the water storage chamber 7 is connected to the water injection equipment through a water inlet pipe 8.

[0030] In this embodiment, the spray water can be introduced into the water storage chamber 7 through the water inlet pipe 8, the water pump 17 draws out the water stored in the water storage chamber 7 through the water suction pipe 18 and introduces it into the connecting ring tube 9 through 16, and the water inside the connecting ring tube 9 is sprayed out through the atomizing nozzle 10, which can humidify the air introduced into the generator body 2 to avoid excessive temperature inside the generator body 2 and improve the safety of the device, wherein the spraying direction of the atomizing nozzle 10 is inclined in the direction away from the connecting tube 6, and the inner diameter of the connecting ring tube 9 is larger than the diameter of the air guide channel 21 close to the end of the generator body 2, which is convenient for comprehensive humidification of the introduced air.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A plasma generator, comprising a housing (1), characterized in that: A generator body (2) is provided inside the shell (1), and one end of the shell (1) and the generator body (2) are both provided with a through opening, a piezoelectric ceramic sheet (19) is provided at the through opening of the generator body (2), and an insulating plate (20) corresponding to the piezoelectric ceramic sheet (19) is provided at the through opening of the shell (1), a connecting tube is provided at the end of the shell (1) away from the through opening, and a connecting frame (3) is provided at the end of the connecting tube away from the shell (1), the shell (1) and the connecting tube, as well as the connecting frame (3) and the connecting tube are connected via a connecting assembly, a fan (5) is provided inside the connecting frame (3), and a filter screen (4) is provided inside the connecting frame (3) and is located on the side of the fan (5) away from the connecting tube, a water storage chamber (7) and an air guide channel (21) are provided inside the connecting tube, and a humidifying assembly is provided inside the generator body (2) at the end close to the connecting tube.

2. The plasma generator according to claim 1, characterized in that: The connection assembly comprises a groove one (11) respectively arranged on the outer wall of the outer shell (1), the outer wall of the connecting tube and the outer wall of the connecting frame (3); collars (14) are respectively sleeved on the outer sides of both ends of the connecting tube; a plurality of grooves two (13) corresponding to the groove one (11) are arranged on the side wall of the collar (14); a sealing ring (12) is arranged between the groove one (11) and the groove two (13); and the collar (14) is respectively connected to the outer shell (1), the connecting frame (3) and the connecting tube through connecting screws (15).

3. The plasma generator according to claim 1, characterized in that: The humidifying assembly comprises a connecting ring tube (9) arranged inside the generator body (2), the connecting ring tube (9) being located at one end of the generator body (2) close to the connecting tube, a plurality of atomizing nozzles (10) being distributed circumferentially inside the connecting ring tube (9), a water pump (17) being arranged outside the connecting ring tube (9), the input end of the water pump (17) being connected to the water storage chamber (7) through a water suction pipe (18), the output end of the water pump (17) being connected to the inside of the connecting ring tube (9), and the water storage chamber (7) being connected to a water injection device through a water inlet pipe (8).

4. The plasma generator according to claim 1, characterized in that The cross-sectional dimensions of the end of the air guide channel (21) close to the connection frame (3) are greater than the cross-sectional dimensions of the end of the air guide channel (21) close to the housing (1).

5. The plasma generator according to claim 1, characterized in that: The piezoelectric ceramic sheet (19) is in the shape of a honeycomb, and the insulating plate (20) is in the shape of a honeycomb.

6. The plasma generator according to claim 2, characterized in that: The cross section of the collar (14) is configured to be in the shape of a right-angled plate.

7. The plasma generator according to claim 2, characterized in that: The groove 1 (11) and the groove 2 (13) are both configured as annular grooves with a semicircular cross section.

8. The plasma generator according to claim 3, characterized in that: The spraying direction of the atomizing nozzle (10) is inclined in a direction away from the connecting tube.

9. The plasma generator according to claim 3, characterized in that: The inner diameter of the connecting ring tube (9) is larger than the diameter of the air guide channel (21) at one end close to the generator body (2).

Images