Two-channel plasma generating device

Abstract

A dual-channel plasma generating device comprises a frame, a mounting plate is fixedly arranged in the frame, two through holes are symmetrically formed in the mounting plate, first supports are detachably arranged at the two through holes, and plasma generating units are mounted on the first supports; a second support is detachably arranged at the position, close to the through hole, of the front side face of the installation plate, a motor is installed on the second support, an output shaft of the motor is connected with a fan, and the central axis of the plasma generation unit and the central axis of the fan are located on the same straight line. An open structure is adopted, the airflow scale can be enlarged, meanwhile, the airflow speed is guaranteed, on one hand, dust accumulation can be effectively reduced under the airflow effect, on the other hand, the plasma generation unit can be conveniently cleaned, dust accumulation is prevented, and therefore consumption of dust to plasmas is effectively reduced, and the bacterium killing effect is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of air purification, in particular to a double-channel plasma generating device. Background Art

[0002] At present, the devices that use plasma for disinfection are all complex in structure, resulting in high cost, and also reducing their versatility in combination with other devices to achieve better cleaning and disinfection effects. In addition, another type of disinfection machine is also equipped with a plasma disinfection device, but the plasma disinfection device has a low degree of modularization and is basically dedicated to a specific model. Not only is the cost high, but the degree of versatility is also relatively low.

[0003] The disinfection efficiency is related to many factors, including the plasma discharge density range, the size and shape of the air duct, the wind speed, the number of air turnovers in the same space at the same time, the air volume of the fan, the dust density and the impact of dust on plasma, etc.

[0004] According to the current test and test results of the electric pen, the density of the space around the plasma module within 5-6 cm is very high. When the electric pen is powered on, the disinfection rate of viruses and bacteria carried in the air is very high, close to 100%. However, the disinfection rate will decrease in the area beyond the radius of 6-10 cm. Viruses and bacteria may survive in this area, and it is difficult to achieve a disinfection rate of more than 99% in a short time. Utility Model Content

[0005] One advantage of the utility model is that it provides a dual-channel plasma generating device with a dual-channel design, large air volume, light weight, and can circulate and disinfect the air sequentially. It adopts two forward-inclined centrifugal fans placed side by side, with a reasonable air duct design, compact structure, low noise, light weight, and large air volume.

[0006] One advantage of the utility model is that it provides a dual-channel plasma generating device, in which the plasma generator is placed in the middle of the air duct and installed vertically. The air duct is reasonably designed, compact in structure, and feasible in layout, and the air in the air duct can be efficiently disinfected. It has been verified by experiments that the disinfection effect can reach 99.99% / 2h.

[0007] One advantage of the utility model is that it provides a dual-channel plasma generating device with an open structure, which can increase the scale of the airflow while ensuring the airflow speed. On the one hand, the accumulation of dust can be effectively reduced under the action of the airflow, and on the other hand, it is convenient to clean the plasma generating unit to prevent dust accumulation, thereby effectively reducing the consumption of plasma by dust and ensuring the killing effect on bacteria.

[0008] One advantage of the utility model is that it provides a dual-channel plasma generating device with a modular design, which is convenient for production and installation.

[0009] In order to achieve at least one of the above advantages of the utility model, the utility model provides a dual-channel plasma generating device, including a frame, a mounting plate is fixedly arranged inside the frame, two through holes are symmetrically arranged on the mounting plate, and a first bracket is detachably arranged at the two through holes, and a plasma generating unit is installed on the first bracket;

[0010] A second bracket is detachably arranged on the front side of the mounting plate near the through hole, a motor is mounted on the second bracket, a fan is connected to the output shaft of the motor, and the central axis of the plasma generating unit and the fan are located on the same straight line.

[0011] According to an embodiment of the utility model, a partition is installed in the middle of the front side of the installation plate, and the upper and lower ends of the partition are respectively connected to the frame.

[0012] According to one embodiment of the utility model, two electrical control boxes are arranged on the rear side of the mounting plate, and a speed regulating switch, a PLC control board and a power supply module are installed in the two electrical control boxes. The speed regulating switch and the power supply module are electrically connected to the PLC control board, and the PLC control board is electrically connected to the plasma generating unit and the motor.

[0013] According to an embodiment of the present invention, the first bracket is a cross-shaped structure, and the end of the first bracket is connected to the mounting plate by screws.

[0014] According to an embodiment of the present invention, the fan is a forward-inclined centrifugal fan.

[0015] According to an embodiment of the utility model, both the first bracket and the second bracket are provided with a hollow structure for airflow to pass through.

[0016] According to one embodiment of the utility model, the plasma generating unit includes a first electrode layer, a second electrode layer and a barrel-shaped barrier with an opening at one end; a cavity is provided inside the barrel-shaped barrier, the first electrode layer is located in the cavity and is in contact with the inner wall of the barrel-shaped barrier, and the second electrode layer is sleeved on the outer wall of the barrel-shaped barrier; and also includes an internal electrode, which is located inside the first electrode layer and in contact with the first electrode layer, and the internal electrode is a metal terminal.

[0017] According to an embodiment of the utility model, the diameter of the through hole is set to 10 cm to 12 cm, and the wind speed of the air duct is 18 m / s to 25 m / s. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the main structural diagram of the utility model;

[0019] Figure 2 This is a rear view structural diagram of the utility model;

[0020] Figure 3This is a cross-sectional structural diagram of the utility model;

[0021] Among them, 1. frame, 2. mounting plate, 3. electric control box, 4. first bracket, 5. plasma generating unit, 6. fan, 7. partition, 8. second bracket, 9. motor. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the present invention more clear, the following will be combined with the appendix of the present invention. Figure 1 ~Attached Figure 3 , the utility model is described in more detail.

[0023] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the utility model defined in the following description can be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not deviate from the spirit and scope of the utility model.

[0024] The utility model provides a dual-channel plasma generating device, comprising a frame 1, a mounting plate 2 is fixedly arranged inside the frame 1, two through holes are symmetrically arranged on the mounting plate 2, a first bracket 4 is detachably arranged at the two through holes, and a plasma generating unit 5 is installed on the first bracket 4; a second bracket 8 is detachably arranged at a position near the through hole on the front side of the mounting plate 2, a motor 9 is installed on the second bracket 8, a fan 6 is connected to the output shaft of the motor 9, and the central axis of the plasma generating unit 5 and the fan 6 are located on the same straight line; a partition 7 is installed in the middle of the front side of the mounting plate 2, and the upper and lower ends of the partition 7 are respectively connected to the frame 1; two electric control boxes 3 are arranged on the rear side of the mounting plate 2, and a speed regulating switch, a PLC control board and a power supply module are installed in the two electric control boxes 3, and the speed regulating switch and the power supply module are connected to the PLC The control board is electrically connected, and the PLC control board is electrically connected to the plasma generating unit 5 and the motor 9; the first bracket 4 is a cross-shaped structure, and the end of the first bracket 4 is connected to the mounting plate 2 by screws; the fan 6 is a forward-inclined centrifugal fan 6; the first bracket 4 and the second bracket 8 are both provided with a hollow structure for airflow to pass through; the plasma generating unit 5 includes a first electrode layer, a second electrode layer and a barrel-shaped barrier with an opening at one end; a cavity is provided inside the barrel-shaped barrier, the first electrode layer is located in the cavity and fits with the inner wall of the barrel-shaped barrier, and the second electrode layer is sleeved on the outer wall of the barrel-shaped barrier; it also includes an internal electrode, the internal electrode 9 is located inside the first electrode layer and contacts the first electrode layer, and the internal electrode is a metal terminal; the diameter of the through hole is set to 10 cm to 12 cm, and the wind speed in the air duct is 18 m / s to 25 m / s.

[0025] Embodiment 1 of the present utility model is as follows:

[0026] A dual-channel plasma generating device comprises a frame 1, which is arranged as a rectangular structure, has good adaptability and good installation stability, a mounting plate 2 is fixedly arranged inside the frame 1, two through holes are symmetrically arranged on the mounting plate 2, respectively corresponding to the dual-channel plasma generating channels, the dual-channel design has a large air volume and a light weight, and can circulate and disinfect the air sequentially, a first bracket 4 is detachably arranged at the two through holes, the first bracket 4 is a cross-shaped structure, a hollow structure is arranged on the first bracket 4, which is convenient for airflow to pass through, an end of the first bracket 4 is connected to the mounting plate 2 by screws, which is convenient for disassembly for cleaning, a plasma generating unit 5 is installed on the first bracket 4, and the plasma generating unit 5 faces the direction of the fan 6.

[0027] The plasma generating unit 5 includes a first electrode layer, a second electrode layer and a barrel-shaped barrier with an opening at one end; a cavity is provided inside the barrel-shaped barrier, the first electrode layer is located in the cavity and is in contact with the inner wall of the barrel-shaped barrier, and the second electrode layer is sleeved on the outer wall of the barrel-shaped barrier; it also includes an internal electrode, the internal electrode 9 is located inside the first electrode layer and in contact with the first electrode layer, the internal electrode is a metal terminal, and plasma is generated through the first electrode layer and the second electrode layer, thereby killing viruses in the air.

[0028] According to the current test and electric pen test results, the spatial density of 5-6 cm around the plasma module is very high. When the electric pen is powered on, the single air-borne virus and bacteria disinfection rate is very high, close to 100%. However, the disinfection rate will decrease in areas with a radius of more than 6-10 cm. Therefore, within the effective radius, the closer to the plasma module, the greater the plasma density, and the plasma density in the area far away from the plasma module is greatly reduced. Bacteria and viruses will pass through a certain area and survive, which is not conducive to achieving a high disinfection rate in a short time. At the same time, the channel diameter affects the wind speed. The diameter of the through hole is set to 10 cm to 12 cm. On this basis, the wind speed in the air duct is guaranteed to be 18 meters per second to 25 meters per second, which can maximize the disinfection efficiency.

[0029] At the maximum wind volume of the fan, the wind speed near the module of the 10cm diameter duct is about 18m / s, and 20m / s within 30min 3 The killing rate of the space can reach 99.9%. The wind speed in the air duct can be as high as 25 meters per second, which can effectively reduce the amount of dust accumulation.

[0030] A second bracket 8 is detachably provided on the front side of the mounting plate 2 near the through hole, a motor 9 is mounted on the second bracket 8, a fan 6 is connected to the output shaft of the motor 9, the central axis of the plasma generating unit 5 and the fan 6 are located on the same straight line, the plasma generator is placed in the middle of the air duct and is installed vertically, the air duct is reasonably designed, the structural layout is feasible, and the air in the air duct can be efficiently disinfected; it has been verified by experiments that the disinfection effect can reach 99.99% / 2h.

[0031] The fan 6 is a forward-inclined centrifugal fan 6 with large air volume, light weight and good quiet effect.

[0032] A partition 7 is installed in the middle of the front side of the mounting plate 2. The upper and lower ends of the partition 7 are respectively connected to the frame 1 to separate the double channels. On the one hand, the structural strength is improved, and on the other hand, the airflows are prevented from affecting each other to avoid turbulence.

[0033] Two electric control boxes 3 are arranged on the rear side of the mounting plate 2, and speed regulating switches, PLC control boards and power supply modules are installed in the two electric control boxes 3. The speed regulating switches and power supply modules are electrically connected to the PLC control board, and the PLC control board is electrically connected to the plasma generating unit 5 and the motor 9. A control switch is also arranged to control the operation of the plasma generating unit 5.

[0034] Those skilled in the art should understand that, in the disclosure of the specification, the orientation or position relationship indicated by the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the orientation or position relationship shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and 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. Therefore, the above terms should not be understood as limiting the present invention.

[0035] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0036] It should be understood by those skilled in the art that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The advantages of the present invention have been fully and effectively realized. The functions and structural principles of the present invention have been demonstrated and explained in the embodiments, and the embodiments of the present invention may be deformed or modified in any way without departing from the principles.

Claims

1. A dual-channel plasma generating device, characterized in that: It comprises a frame, a mounting plate is fixedly arranged inside the frame, two through holes are symmetrically arranged on the mounting plate, a first bracket is detachably arranged at the two through holes, and a plasma generating unit is installed on the first bracket; A second bracket is detachably provided on the front side of the mounting plate near the through hole, a motor is mounted on the second bracket, a fan is connected to the output shaft of the motor, and the central axis of the plasma generating unit and the fan are located on the same straight line.

2. The dual-channel plasma generating device according to claim 1, characterized in that: A partition is installed in the middle of the front side surface of the installation plate, and the upper and lower ends of the partition are respectively connected to the frame.

3. The dual-channel plasma generating device according to claim 1, characterized in that: Two electric control boxes are arranged on the rear side of the mounting plate, and a speed regulating switch, a PLC control board and a power supply module are installed in the two electric control boxes. The speed regulating switch and the power supply module are electrically connected to the PLC control board, and the PLC control board is electrically connected to the plasma generating unit and the motor.

4. The dual-channel plasma generating device according to claim 1, characterized in that: The first bracket is a cross-shaped structure, and the end of the first bracket is connected to the mounting plate by screws.

5. The dual-channel plasma generating device according to claim 1, characterized in that: The fan is a forward-inclined centrifugal fan.

6. The dual-channel plasma generating device according to claim 1, characterized in that: The first bracket and the second bracket are both provided with a hollow structure for airflow to pass through.

7. The dual-channel plasma generating device according to claim 1, characterized in that: The plasma generating unit comprises a first electrode layer, a second electrode layer and a barrel-shaped barrier with an opening at one end; a cavity is arranged inside the barrel-shaped barrier, the first electrode layer is located in the cavity and is in contact with the inner wall of the barrel-shaped barrier, and the second electrode layer is sleeved on the outer wall of the barrel-shaped barrier; and an internal electrode is also included, the internal electrode is located inside the first electrode layer and is in contact with the first electrode layer, and the internal electrode is a metal terminal.

8. The dual-channel plasma generating device according to claim 1, characterized in that: The diameter of the through hole is set to 10 cm to 12 cm, and the wind speed in the air duct is 18 m / s to 25 m / s.

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