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CN-116878066-B - Plasma purifying module, device, air conditioning equipment and noise control method

CN116878066BCN 116878066 BCN116878066 BCN 116878066BCN-116878066-B

Abstract

The application discloses a plasma purifying module, a device, air conditioning equipment and a noise control method, relates to the technical field of air conditioning, and aims to solve the technical problem that working noise generated by an existing plasma purifying module during working is obvious. The plasma purifying module comprises a dielectric barrier, an electrode and an insulating limiting piece, wherein the dielectric barrier is provided with a through hole along the axial direction, the electrode comprises a first electrode, and the end part of the first electrode penetrates through the through hole and is provided with a gap with the wall of the through hole. At least part of the structure of the insulating limiting part is positioned in the gap, the insulating limiting part is provided with a limiting through hole along the axial direction of the insulating limiting part, the end part of the first electrode penetrates through the limiting through hole, and the insulating limiting part is abutted with the hole wall of the through hole so as to limit the position of the first electrode relative to the dielectric barrier. The application can weaken the working noise generated by the ion body purifying module.

Inventors

  • Xia Tongling
  • ZHONG ZHIXIONG
  • JIANG YU

Assignees

  • 广东美的暖通设备有限公司
  • 美的集团股份有限公司

Dates

Publication Date
20260505
Application Date
20230817

Claims (20)

  1. 1. The plasma purifying module is characterized by comprising a plasma generator, wherein the plasma generator comprises a dielectric barrier, an electrode and an insulating limiting piece for reducing noise, the dielectric barrier is provided with a through hole along the axial direction, the electrode comprises a first electrode, and the end part of the first electrode penetrates through the through hole and is provided with a gap with the wall of the through hole; At least part of the structure of the insulating limiting part is positioned in the gap, the insulating limiting part is provided with a limiting through hole along the axial direction of the insulating limiting part, the end part of the first electrode is arranged in the limiting through hole in a penetrating mode, and the insulating limiting part is in butt joint with the hole wall of the through hole so as to limit the position of the first electrode relative to the dielectric barrier.
  2. 2. The plasma cleaning module of claim 1, wherein the first electrode is of a linear configuration, and the shape of the through hole is the same as the shape formed by the radial profile of the first electrode; When the insulating limiting piece is abutted with the hole wall of the through hole, the first electrode is located on the central line of the through hole.
  3. 3. The plasma cleaning module of claim 2, wherein a centerline of the limiting through hole coincides with a centerline of the through hole, and a geometric center of the first electrode is located on the centerline of the limiting through hole.
  4. 4. The plasma cleaning module of claim 1, wherein the limiting aperture is located at a geometric center of the insulating limiting member, and/or, And at least part of the structure of the insulating limiting piece is abutted with the hole wall of the through hole along the axial direction of the dielectric barrier piece.
  5. 5. The plasma cleaning module of claim 1, further comprising a second electrode disposed on an outer wall of the dielectric barrier and forming a discharge region with the first electrode and the dielectric barrier; the insulating limiting piece is positioned outside the discharge area and is positioned at one end of the dielectric barrier adjacent to the first electrode.
  6. 6. The plasma cleaning module of any of claims 1-5, wherein the insulating limiter is configured to elastically deform at least a portion of structures located within the gap and abut between the via and the first electrode during threading of the end of the first electrode through the limiter via.
  7. 7. The plasma cleaning module of claim 6, wherein the insulating limiter comprises a flexible member having the limiting through hole, an end of the flexible member having an elastic abutment; The elastic abutting part is positioned in the gap and is configured to elastically deform towards one side of the hole wall of the through hole in the process that the end part of the first electrode penetrates through the limiting through hole so as to clamp the radial outer wall of the first electrode and abut against the hole wall of the through hole.
  8. 8. The plasma cleaning module of claim 7, wherein an aperture of the limiting through hole at the resilient abutment is smaller than a wire diameter of the first electrode.
  9. 9. The plasma cleaning module of claim 7, wherein an outer diameter at the resilient abutment is greater than a wire diameter of the first electrode and less than an aperture of the through hole.
  10. 10. The plasma cleaning module of claim 7, wherein the length of the resilient abutment is less than one half the length of the flexible member along the axial direction of the dielectric barrier.
  11. 11. The plasma cleaning module of claim 7, wherein the flexible member further comprises a connection portion, the elastic abutment portion is connected to a side of the connection portion toward an axial center of the dielectric barrier, and the elastic abutment portion protrudes from the connection portion toward a side of a center line of the limiting through hole.
  12. 12. The plasma purification module of claim 7, wherein the insulating stop further comprises a stop collar connected to an end of the flexible member remote from the resilient abutment and abutting an end face of the dielectric barrier.
  13. 13. The plasma cleaning module of claim 7, wherein a portion of the flexible member is configured to elastically deform in an axial direction of the dielectric barrier and be brought into the through hole to form the elastic abutment during the insertion of the end portion of the first electrode into the limiting through hole.
  14. 14. The plasma cleaning module of any of claims 1-5, further comprising a boost power supply electrically connected to the electrode.
  15. 15. A plasma cleaning apparatus comprising a housing and a plasma cleaning module as claimed in any one of claims 1 to 14, part of the structure of the plasma cleaning module being supported outside the housing.
  16. 16. An air conditioning apparatus comprising an indoor unit having a housing with an air duct therein, a blower and the plasma purifying device of claim 15, both the plasma purifying device and the blower being located in the air duct.
  17. 17. A noise control method of an air conditioner, applied to the air conditioner of claim 16, comprising: Receiving an air purification instruction; judging whether a fan in an indoor unit of the air conditioning equipment is started or not; if the fan is in an opening state, starting a plasma purifying device in the indoor unit so that noise generated by the fan covers working noise of the plasma purifying device; If the fan is in a closed state, starting the fan and then starting the plasma purifying device.
  18. 18. The noise control method of claim 17, wherein after said activating said plasma cleaning apparatus, said noise control method further comprises: And adjusting the wind speed of the fan so as to enable the frequency band of noise generated by the fan to be matched with the frequency band of working noise of the plasma purifying device.
  19. 19. The method of claim 17, wherein the operating mode of the indoor unit is a cooling mode, a heating mode, a blowing mode, or a dehumidifying mode when the blower is in an on state.
  20. 20. The method of claim 17, wherein restarting the plasma cleaning apparatus after turning on the blower comprises: and after the fan is started for a preset time, restarting the plasma purifying device.

Description

Plasma purifying module, device, air conditioning equipment and noise control method Technical Field The application relates to the technical field of air conditioners, in particular to a plasma purifying module, a plasma purifying device, air conditioning equipment and a noise control method. Background With the improvement of living standard of people, the demands for indoor environments are increasing. Common means for improving indoor environment such as closing windows to block pollution of urban noise to indoor space are to use air conditioning equipment to regulate indoor temperature and humidity so as to create comfortable indoor space. In addition, people are beginning to pursue clean healthy environments, and the need for purification of microorganisms in the room is increasingly emphasized. At present, the air conditioning equipment in the related art is provided with a plasma air purifying device in an indoor unit, and the plasma air purifying device is internally provided with a plasma purifying module so that the plasma purifying module can discharge and ionize air, and a large amount of plasmas capable of purifying air can be generated, so that the requirements of people on indoor comfort and air purification are met. However, when the plasma purifying module works, some obvious working noise can be generated, and discomfort of indoor personnel can be caused. Therefore, how to reduce the working noise generated by the plasma purifying module during working has become a technical problem to be solved. Disclosure of Invention The application mainly aims to provide a plasma purifying module, a plasma purifying device, an air conditioning device and a noise control method, and aims to solve the technical problem of working noise generated during working of the existing ion purifying module. In order to achieve the above object, in a first aspect, the present application provides a plasma purification module, which comprises a plasma generator, wherein the plasma generator comprises a dielectric barrier, an electrode and an insulating limiting member, the dielectric barrier is provided with a through hole along the axial direction, the electrode comprises a first electrode, and the end part of the first electrode is penetrated in the through hole and is provided with a gap with the wall of the through hole; At least part of the structure of the insulating limiting part is positioned in the gap, the insulating limiting part is provided with a limiting through hole along the axial direction of the insulating limiting part, the end part of the first electrode is arranged in the limiting through hole in a penetrating mode, and the insulating limiting part is in butt joint with the hole wall of the through hole so as to limit the position of the first electrode relative to the dielectric barrier. The application has the beneficial effects that through the arrangement of the insulating limiting piece, as the end part of the first electrode is penetrated in the limiting through hole of the insulating limiting piece, the insulating limiting piece is abutted with the hole wall of the through hole to limit the position of the first electrode relative to the dielectric barrier piece, so that the first electrode can be limited on the central axis of the dielectric barrier piece through the insulating limiting piece, the uniformity of the thickness of an air layer between the first electrode and the hole wall of the through hole is ensured, and the working noise of the plasma purification module caused by uneven discharge is reduced. And through the setting of insulating locating part, can also restrict the vibration amplitude of first electrode in the working process of plasma purification module to stop collision quartz capsule, further weaken the ion purification module because the produced operational noise of vibration of first electrode. On the basis of the technical scheme, the application can be improved as follows. Further, the first electrode is of a linear structure, the shape of the through hole is the same as that formed by the radial outline of the first electrode, and when the insulating limiting piece is abutted against the wall of the through hole, the first electrode is located on the central line of the through hole. Further, the center line of the limiting through hole coincides with the center line of the through hole, and the geometric center of the first electrode is located on the center line of the limiting through hole. Further, the limiting through hole is located at the geometric center of the insulating limiting piece, and/or at least part of the insulating limiting piece is in butt joint with the hole wall of the through hole along the axial direction of the dielectric barrier piece. The plasma purifying module further comprises a second electrode, wherein the second electrode is arranged on the outer wall of the dielectric barrier, a discharge area is formed between the second el