Single-channel plasma generating device

Abstract

A single-channel plasma generating device comprises a front frame and a rear frame, a fan and a motor are installed on the front frame, an output shaft of the motor is fixedly connected with the fan, a plasma generating unit is installed on the rear frame, and the central axis of the plasma generating unit and the central axis of the fan are located on the same straight line. The air duct is light in weight, large in air volume, suitable for the space below 100 m < 3 > and capable of being applied to an air purifier and an air disinfection machine, the plasma generator is placed in the middle of the air duct and vertically installed, the air duct is reasonable in design, compact in structure and feasible in layout, and air in the air duct can be efficiently disinfected.

Description

Technical Field

[0001] The utility model relates to the technical field of air purification, and more specifically to a single-channel plasma generating device. Background Art

[0002] At present, the structures of the devices using plasma for disinfection are relatively complex, resulting in relatively high costs, and at the same time reducing their versatility in combination with other devices to achieve better cleaning and disinfection effects. In addition, there is also a plasma disinfection device installed in another disinfection whole machine, but the modularity of the plasma disinfection device is low, and basically it is dedicated to a specific mold, not only with relatively high costs but also with relatively low generalization degree. Summary of the Utility Model

[0003] One advantage of the utility model is to provide a single-channel plasma generating device, which adopts a forward-inclined centrifugal fan, with low noise, light weight and large air volume, and is applicable to spaces below 100m 3 and can be applied to air purifiers and air disinfection machines.

[0004] One advantage of the utility model is to provide a single-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, with a compact structure and a feasible layout, and can efficiently disinfect the air in the air duct; through experimental verification, the disinfection effect can reach 99.99% / 2h.

[0005] One advantage of the utility model is to provide a single-channel plasma generating device, which can not only efficiently disinfect the air, but also remove odors from the air and other harmful substances such as formaldehyde in the air.

[0006] One advantage of the utility model is to provide a single-channel plasma generating device, which is modularly designed, facilitating production and installation.

[0007] To achieve at least one of the above advantages of the utility model, the utility model provides a single-channel plasma generating device, including a front frame and a rear frame. A fan and a motor are installed on the front frame, and the output shaft of the motor is fixedly connected to the fan. A plasma generating unit is installed on the rear frame, and the plasma generating unit and the central axis of the fan are on the same straight line.

[0008] According to an embodiment of the utility model, the rear frame and the front frame are connected by a snap-fastening method.

[0009] According to an embodiment of the utility model, an electric control box is arranged at the lower part of the rear frame. A speed regulation switch, a PLC control board and a power supply module are installed in the electric control box. The speed regulation switch and the power supply module are both electrically connected to the PLC control board, and the PLC control board is electrically connected to the plasma generating unit and the motor.

[0010] According to an embodiment of the present utility model, a front mounting bracket is installed in the middle of the front frame in a snap-fit manner. The motor is installed in the middle on the outside of the front mounting bracket, and the fan is located inside the front mounting bracket.

[0011] According to an embodiment of the present utility model, the fan is a forward-inclined centrifugal fan.

[0012] According to an embodiment of the present utility model, a rear mounting bracket is installed in the middle of the rear frame, and the plasma generating unit is installed inside the rear mounting bracket.

[0013] According to an embodiment of the present utility model, hollow structures for the airflow to pass through are provided on both the front frame and the rear frame.

[0014] According to an embodiment of the present utility model, the plasma generating unit includes a first electrode layer, a second electrode layer, and a barrel-shaped blocking member with one end open; a cavity is provided inside the barrel-shaped blocking member, the first electrode layer is located inside the cavity and is attached to the inner wall of the barrel-shaped blocking member, and the second electrode layer is sleeved on the outer wall of the barrel-shaped blocking member; an internal electrode is further 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. Description of the Drawings

[0015] Figure 1 It is a rear view structure diagram of the present utility model;

[0016] Figure 2 It is a sectional structure diagram of the present utility model;

[0017] Figure 3 It is a front view structure diagram of the present utility model;

[0018] Wherein, 1, front frame; 2, fan; 3, rear mounting bracket; 4, electric control box; 5, plasma generating unit; 6, rear frame; 7, front mounting bracket; 8, motor. Detailed Embodiments

[0019] To make the purpose, technical solutions, and advantages of the implementation of the present utility model clearer, the following will combine the attached drawings of the present utility model Figure 1 ~Attached drawings Figure 3 to describe the present utility model in more detail.

[0020] The following description is used to disclose the present utility model so that those skilled in the art can implement the present 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 defined in the following description can be applied to other implementation schemes, variation schemes, improvement schemes, equivalent schemes, and other technical schemes that do not depart from the spirit and scope of the present utility model.

[0021] The utility model provides a single-channel plasma generating device, which comprises a front frame 1 and a rear frame 6. A fan 2 and a motor 8 are installed on the front frame 1. The output shaft of the motor 8 is fixedly connected with the fan 2. A plasma generating unit 5 is installed on the rear frame 6. The central axes of the plasma generating unit 5 and the fan 2 are on the same straight line. The rear frame 6 and the front frame 1 are connected by a snap-fastening method. A control box 4 is arranged at the lower part of the rear frame 6. A speed regulating switch, a PLC control board and a power supply module are installed in the control box 4. The speed regulating switch and the power supply module are both electrically connected with the PLC control board. The PLC control board is electrically connected with the plasma generating unit 5 and the motor 8. A front mounting bracket 7 is installed in the middle of the front frame 1 by a snap-fastening method. The motor 8 is installed in the middle on the outer side of the front mounting bracket 7, and the fan 2 is located on the inner side of the front mounting bracket 7. The fan 2 is a forward-inclined centrifugal fan 2. A rear mounting bracket 3 is installed in the middle of the rear frame 6. The plasma generating unit 5 is installed on the inner side of the rear mounting bracket 3. The front frame 1 and the rear frame 6 are both provided with a hollow structure for air flow to pass through. The plasma generating unit 5 comprises a first electrode layer, a second electrode layer and a barrel-shaped blocking member with one end open. A cavity is arranged inside the barrel-shaped blocking member. The first electrode layer is located inside the cavity and is attached to the inner wall of the barrel-shaped blocking member. The second electrode layer is sleeved on the outer wall of the barrel-shaped blocking member. An internal electrode is further included. The internal electrode 8 is located inside the first electrode layer and contacts the first electrode layer. The internal electrode is a metal wiring terminal.

[0022] The first embodiment of the utility model is as follows:

[0023] The single-channel plasma generating device comprises a front frame 1 and a rear frame 6. The rear frame 6 and the front frame 1 are connected by a snap-fastening method. In order to achieve a more stable connection, mounting seats for placing screws are further arranged on the side edges of the front frame 1 and the rear frame 6. The front frame 1 and the rear frame 6 are connected together by screws and nuts, and the modular effect is good.

[0024] There is a cross-shaped structure at the front part of the front frame 1. The periphery of the cross-shaped structure is a hollow structure, which can allow air flow to pass through. At the same time, this structure achieves a lightweight effect without affecting the structural strength. There is an annular structure in the middle of the cross-shaped structure. The front mounting bracket 7 is installed in the middle of the annular structure by a snap-fastening method. The motor 8 is installed in the middle on the outer side of the front mounting bracket 7, and the fan 2 is located on the inner side of the front mounting bracket 7. The fan 2 is driven by the motor 8 to rotate to generate air flow. The fan 2 is a forward-inclined centrifugal fan 2, which has low noise, light weight and large air volume.

[0025] A rear mounting bracket 3 is installed in the middle of the rear frame 6. The rear mounting bracket 3 is a cross-shaped structure. The plasma generating unit 5 is installed on the inner side of the rear mounting bracket 3. The central axes of the plasma generating unit 5 and the fan 2 are on the same straight line.

[0026] A fan 2 and a motor 8 are installed on the front frame 1. The output shaft of the motor 8 is fixedly connected to the fan 2. A plasma generating unit 5 is installed on the rear frame 6, placed in the middle of the air duct, vertically installed. The air duct is reasonably designed, with a compact structure and a feasible layout, and can efficiently disinfect the air in the air duct. Through experimental verification, the disinfection effect can reach 99.99% / 2h.

[0027] The plasma generating unit 5 includes a first electrode layer, a second electrode layer, and a barrel-shaped barrier with one end open; a cavity is provided inside the barrel-shaped barrier, the first electrode layer is located inside the cavity and fits against 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, and the internal electrode 8 is located inside the first electrode layer and in contact with the first electrode layer, and the internal electrode is a metal terminal.

[0028] A control box 4 is provided at the lower part of the rear frame 6. A speed control switch, a PLC control board, and a power supply module are installed in the control box 4. The speed control switch and the power supply module are both electrically connected to the PLC control board, and the PLC control board is electrically connected to the plasma generating unit 5 and the motor 8. The fan 2 can be turned on through the control switch, and at the same time, the rotation speed of the fan 2 can be adjusted, thereby changing the size of the air flow. A control switch is also installed on the control box 4, which can turn on the plasma generating unit 5.

[0029] Those skilled in the art should understand that in the disclosure of the specification, the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 construed as limiting the present invention.

[0030] It can 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 can be one, and in other embodiments, the number of the element can be multiple. The term "one" should not be construed as a limitation on the number.

[0031] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the 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 shown and described in the embodiments. Without departing from the principle, the embodiments of the present invention can have any deformation or modification.

Claims

1. A single-channel plasma generating device, characterized in that: The invention comprises a front frame and a rear frame, wherein a fan and a motor are mounted on the front frame, wherein the output shaft of the motor is fixedly connected to the fan, and a plasma generating unit is mounted on the rear frame, wherein the plasma generating unit and the central axis of the fan are located on the same straight line.

2. The single-channel plasma generating device according to claim 1, characterized in that: The rear frame and the front frame are connected by snap-fitting.

3. The single-channel plasma generating device according to claim 1, characterized in that: An electric control box is provided at the lower part of the rear frame, and a speed regulating switch, a PLC control board and a power supply module are installed in the electric control box. 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 single-channel plasma generating device according to claim 1, characterized in that: A front mounting frame is mounted in the middle of the front frame in a snap-fit ​​manner, the motor is mounted in the middle of the outer side of the front mounting frame, and the fan is located on the inner side of the front mounting frame.

5. The single-channel plasma generating device according to claim 4, characterized in that: The fan is a forward-inclined centrifugal fan.

6. The single-channel plasma generating device according to claim 1, characterized in that: A rear mounting frame is installed at the middle of the rear frame, and the plasma generating unit is installed at the inner side of the rear mounting frame.

7. The single-channel plasma generating device according to claim 1, characterized in that: The front frame and the rear frame are both provided with a hollow structure for airflow to pass through.

8. The single-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.

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