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WO2018210152A1 - Dispositif éolien ionique et unité intérieure de climatiseur - Google Patents

Dispositif éolien ionique et unité intérieure de climatiseur Download PDF

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Publication number
WO2018210152A1
WO2018210152A1 PCT/CN2018/085852 CN2018085852W WO2018210152A1 WO 2018210152 A1 WO2018210152 A1 WO 2018210152A1 CN 2018085852 W CN2018085852 W CN 2018085852W WO 2018210152 A1 WO2018210152 A1 WO 2018210152A1
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WO
WIPO (PCT)
Prior art keywords
air
ion wind
needle
generating device
indoor unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/085852
Other languages
English (en)
Chinese (zh)
Inventor
关婷婷
闫宝升
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Publication of WO2018210152A1 publication Critical patent/WO2018210152A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1413—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T19/00—Devices providing for corona discharge
    • H01T19/04—Devices providing for corona discharge having pointed electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T23/00—Apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere

Definitions

  • the present invention relates to air conditioning technology, and more particularly to an ion wind generating device and an air conditioning indoor unit having the same.
  • corona discharge ion air supply technology as a unique air supply system, has many advantages such as simple structure, no noise, and air purification, and has become a technology with great market potential and good application prospects.
  • the generation of ion wind is derived from the principle of corona discharge: after a certain high voltage is applied between the needle electrode (ie, the corona pole) and the receiving electrode (ie, the mesh electrode), a forward corona discharge is generated, and the gas near the needle tip of the needle electrode is generated.
  • Ionization occurs, forming hundreds of millions of ions, combining air molecules or dust particles to make them charged, and under the action of high-voltage electric field, they are quickly attracted by the receiving pole, maintaining inertia and continuing to move, forming a beneficial ion wind.
  • some existing air-conditioning indoor units usually use an ion wind module instead of a blower fan to supply air, or an ion wind module and a blower fan simultaneously drive the air supply. In any case, the performance and air supply of the ion wind module are critical.
  • the designer of the present invention found that while the ion wind is generated, the negative high voltage corona electrode (ie, the needle electrode) generates a small amount of backward discharge, sparking, and the like. If these phenomena are not treated, the metal heat exchanger will become the receiving end of the backward discharge. In this way, problems such as charging and high-voltage leakage of the heat exchange device may occur, which has serious safety hazards.
  • an object of the first aspect of the present invention is to overcome at least one of the deficiencies of the prior art, and to provide an ion wind generating device capable of avoiding the backward discharge of the needle electrode and eliminating the hidden danger of leakage.
  • Another object of the first aspect of the invention is to ensure that the distance between each of the needle electrodes and the mesh electrodes is the same and remains constant.
  • Yet another object of the first aspect of the invention is to ensure that the relative position of the needle electrodes is constant.
  • An object of the second aspect of the present invention is to provide an air conditioner indoor unit having good performance and low noise.
  • an ion wind generating apparatus comprising: at least one discharge module for generating an ion wind, each of the discharge modules comprising:
  • a mesh electrode extending perpendicular to a blowing direction of the ion wind generating device
  • a plurality of needle electrodes are distributed on a downstream side of the mesh electrode along a blowing direction of the ion wind generating device, and a tip end of the needle electrode is directed to the mesh electrode;
  • a needle holder for fixing the plurality of needle electrodes
  • a shielding net disposed on a side of the needle holder opposite to the mesh electrode, and a gap is formed between the shielding net and the needle holder to prevent the needle electrode from facing away from the mesh electrode One side of the discharge.
  • the needle holder has a plurality of conductive rods for electrically connecting to the needle electrodes, and at least a lateral surface of the conductive rod facing away from the needle electrodes is provided with an insulating layer.
  • the gap between the shielding net and the needle holder is any value ranging between 3 mm and 10 mm.
  • one side of the mesh electrode is provided with a fixing frame, and the fixing frame is fixed on the casing of the discharge module, so that the mesh electrode is always kept perpendicular to the ion wind.
  • the planar state of the air supply direction of the device is provided with a fixing frame, and the fixing frame is fixed on the casing of the discharge module, so that the mesh electrode is always kept perpendicular to the ion wind.
  • the needle holder further has a plurality of mutually parallel reinforcing ribs, wherein the plurality of conductive rods are parallel to each other, the conductive rod and the reinforcing rib are alternately arranged, and each of the conductive rods and each of the conductive rods Each of the ribs is provided with one of the needle electrodes.
  • the present invention further provides an air conditioner indoor unit, comprising:
  • a casing having at least one air supply port for supplying airflow, wherein one or more of the at least one air supply opening is provided with an opening and closing mechanism for rectifying the air supply;
  • the air blowing opening having the opening and closing mechanism is circular, and each of the opening and closing structures includes:
  • a central baffle fixedly disposed at a center of the corresponding air supply opening, and an air outlet region is formed between an outer circumferential edge thereof and an inner circumferential edge of the corresponding air supply opening;
  • a plurality of curved blades disposed in sequence along a circumference of the central baffle, configured to be gathered toward a center of the center baffle to at least partially open the outlet region, and configured to be movable away from the center
  • the direction of the center of the baffle is unfolded to at least partially enclose the exit region.
  • each of the curved leaves comprises:
  • An outer contour edge portion including a first circular arc segment and a second circular arc segment
  • An inner contour edge portion including a third arcuate segment and a fourth arcuate segment, the inner contour edge portion facing the center of the center baffle when the plurality of curved blades are gathered;
  • the first circular arc segment and the fourth circular arc segment are gradually approached in a direction pointing to the root end of the curved blade such that the root end of the curved blade forms a tapered curved region;
  • the second arcuate section and the third arcuate section are gradually approached in a direction directed to the end of the curved blade such that the end of the curved blade forms a tapered curved region.
  • the number of air blowing ports provided with the opening and closing mechanism is plural, and the air conditioning indoor unit further includes a plurality of axial flow fans disposed in one-to-one correspondence with the air blowing ports provided with the opening and closing mechanism.
  • the air blowing opening is located at a front side of the casing, and each of the air blowing openings is provided with a wind guiding structure, each of the air guiding
  • the structure includes:
  • rotating ring disposed inside the casing and disposed opposite a corresponding one of the air blowing ports, the rotating ring being configured to be controllably rotatable about a central axis thereof;
  • each of the swinging blade assemblies includes a swinging leaf driving mechanism and a plurality of swinging blades, and the plurality of swinging blades are disposed on the inner side of the rotating ring, each piece
  • the pendulum blades each have a rotation axis, and the pendulum drive mechanism is configured to drive each of the pendulum blades to rotate, and to synchronize the plurality of pendulum blades.
  • the ion wind generating device of the present invention has a shielding net disposed on a side of the needle holder of each of the discharge modules facing away from the mesh electrode, and when the needle electrode has a backward discharge phenomenon, the shielding net can be used as a backward discharge.
  • the receiving pole neutralizes the charged ions in the backward direction to avoid the problem of charging of the heat exchange device or other metal parts, and eliminates the leakage potential.
  • the present invention also forms a gap of a certain size between the shielding net and the needle holder, and the gap can be used to effectively perform charge neutralization, thereby further ensuring the safety performance of the ion wind generating device.
  • the insulating layer can also improve the structural strength of the conductive rod, and play a certain supporting role on the needle electrode to ensure that the relative position of the needle electrode remains unchanged, and the overall performance of the ion wind generating device is ensured.
  • the present invention fixes the position and shape of the mesh electrode by the sizing frame, and can avoid bending or deformation of the mesh electrode, so that it can always maintain a planar structure to form a planar electrode mesh. Since the structural frame of the sizing frame is much stronger than the fine mesh-like mesh electrode, it is not displaced or deformed by the external force, thus ensuring that the distance between each acicular electrode and the mesh electrode is the same. That is to ensure that the spacing of the needle net is constant, effectively avoiding uneven discharge due to unequal discharge distance, resulting in friction and ignition, odor, and eliminating potential safety hazards.
  • the needle electrode of the discharge module is disposed at the intersection of the conductive rod and the rib. That is, the number of the conductive rods and the ribs may vary depending on the number of needle electrodes required to ensure that each of the needle electrodes can be fixed by the dual action of the conductive rod and the rib. After the number of needle electrodes is determined, the spacing and relative position between the conductive rod and the rib are constant, and the structural strength of the conductive rod and the rib is relatively large, and the displacement or deformation is hardly caused by the external force. Therefore, it is possible to reliably ensure that the relative position of each of the needle electrodes is constant, and the ion wind generating device always has good performance.
  • FIG. 1 is a schematic structural view of an ion wind generating device according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural exploded view of a discharge module of an ion wind generating device according to an embodiment of the present invention
  • FIG. 3 is a schematic cross-sectional view of a discharge module of an ion wind generating device in accordance with one embodiment of the present invention
  • Figure 4 is a schematic enlarged view of a portion A of Figure 3;
  • Figure 5 is a schematic side view of a conductive rod to which a needle electrode is fixed, in accordance with one embodiment of the present invention
  • FIG. 6 is a schematic structural view showing a connection relationship between a plurality of discharge modules of an ion wind generating device according to an embodiment of the present invention
  • FIG. 7 is a schematic structural view showing a connection relationship between a plurality of discharge modules of an ion wind generating device according to another embodiment of the present invention.
  • FIGS 8 and 9 are schematic structural views of an indoor unit of an air conditioner according to an embodiment of the present invention.
  • Figure 10 is a schematic structural exploded view of an indoor unit of an air conditioner according to an embodiment of the present invention.
  • FIG. 11 and FIG. 12 are respectively schematic structural views of different orientations of a curved blade of an opening and closing structure according to an embodiment of the present invention.
  • Figure 13 is a front elevational view showing an air guiding structure of an indoor unit of an air conditioner according to an embodiment of the present invention.
  • FIG. 1 is a schematic structural view of an ion wind generating device according to an embodiment of the present invention
  • FIG. 2 is a discharge of the ion wind generating device according to an embodiment of the present invention
  • FIG. 3 is a schematic cross-sectional view of a discharge module of an ion wind generating device according to an embodiment of the present invention
  • FIG. 4 is a schematic enlarged view of a portion A of FIG.
  • the ion wind generating device 10 of the present invention includes at least one discharge module 100 for generating an ion wind.
  • Each of the discharge modules 100 includes a mesh electrode 110 and a plurality of needle electrodes 120.
  • the needle holder 130 and the shielding net 180 for fixing the plurality of needle electrodes 120 are used.
  • the plurality referred to in the embodiments of the present invention means two, three or more than three.
  • the mesh electrode 110 extends perpendicular to the air blowing direction of the ion wind generating device 10.
  • the mesh electrode 110 may be a metal mesh having a square hole, a rhombic hole, a circular hole, or other shaped through hole.
  • the plurality of needle electrodes 120 are distributed on the downstream side of the mesh electrode 110 in the air blowing direction of the ion wind generating device 10, and the tip end of the needle electrode 120 is directed to the mesh electrode 110.
  • the needle electrode 120 may be a metal discharge needle having a discharge tip that may point toward the center of a certain through hole of the mesh electrode 110.
  • the plurality of needle electrodes 120 are distributed on the rear side of the web electrode 110.
  • the shielding net 180 is disposed on a side of the needle holder 130 facing away from the mesh electrode 110, and a gap is formed between the shielding net 180 and the needle frame 130 to prevent the needle electrode 120 from being discharged toward a side facing away from the mesh electrode 110.
  • the material of the shielding mesh 180 may be a conductive metal to facilitate charge neutralization.
  • the shield mesh 180 can serve as a receiving end of the backward discharge to neutralize the backward charged ions, thereby preventing the indoor appearance when the ion wind generating device 10 is applied to the air conditioner indoor unit.
  • the problem of charging the heat exchanger or other metal parts of the machine eliminates the potential for leakage.
  • the present invention also forms a gap of a certain size between the shield net 180 and the needle holder 130, and the gap can be used to effectively perform charge neutralization, thereby further ensuring the safety performance of the ion wind generating device 10.
  • the "backward discharge” referred to in the present invention is for the “forward discharge” expected to occur in the ion wind generating device 10.
  • "Forward discharge” refers to the discharge of the needle electrode 120 toward the mesh electrode 110 to produce the desired ion wind.
  • “Backward discharge” means that the needle electrode 120 is discharged toward the side facing away from the mesh electrode 110. As described above, the backward discharge may cause the metal member located on the side of the needle electrode 120 facing away from the mesh electrode 110 to be charged. .
  • the present invention utilizes the charge in the shield mesh 180 and the backward discharge, which can well avoid the occurrence of the above phenomenon.
  • the size of the screen mesh 180 may be comparable to the size of the entire area in which the entire plurality of needle electrodes 120 are distributed.
  • the needle holder 130 has a plurality of conductive bars 131 for electrical connection with the needle electrodes 120.
  • Figure 5 is a schematic side view of a conductive rod to which a needle electrode is attached, in accordance with one embodiment of the present invention. Referring to FIG. 5, at least the lateral surface of the conductive rod 131 facing away from the needle electrode 120 is provided with an insulating layer 1311. When the air blowing direction of the ion wind generating device 10 is from the back to the front, at least the rear surface of the conductive rod 131 is provided with an insulating layer.
  • the insulating layer 1311 may be an insulating material coated on the lateral surface of the conductive rod 131, or may be an insulating plate fixed on the lateral surface of the conductive rod 131 by adhesive or other suitable means.
  • the arrangement of the insulating layer 1311 can further prevent the needle electrode 120 from generating a backward discharge or sparking phenomenon, thereby avoiding safety hazards.
  • the additionally added insulating layer 1311 can also improve the structural strength of the conductive rod 131.
  • the needle electrode 120 plays a certain supporting role to ensure that the relative position of the needle electrode 120 remains unchanged, ensuring the overall performance of the ion wind generating device 10.
  • the thickness of the insulating layer 1311 may vary depending on the selection of the high voltage anti-breakdown insulating material. This thickness requirement of the insulating layer further ensures that the conductive rod 131 has a high strength and is not displaced or deformed by an external force.
  • the entire outer portion of the conductive rod 131 is provided with an insulating layer, and the inside thereof is a conductive layer electrically connected to the needle electrode 120 to further prevent the occurrence of disordered discharge and sparking.
  • the gap between the screen mesh 180 and the needle holder 130 is any value ranging between 2 mm and 8 mm.
  • the gap between the shielding net 180 and the needle holder 130 may be 2 mm, 3 mm, 4 mm, 5 mm, 6 mm, 7 mm or 8 mm. Therefore, it is possible to prevent the gap between the shield net 180 and the needle holder 130 from being too small to completely neutralize the electric charge, and to avoid the excessive gap between the shield net 180 and the needle holder 130, thereby causing the ion wind generating device.
  • the volume of 10 is too large and takes up a lot of space. Further, when the gap between the shielding net 180 and the needle holder 130 is between 3 mm and 6 mm, the effect is better.
  • the gap between the screen mesh 180 and the needle holder 130 is 4.5 mm.
  • one side of the mesh electrode 110 is provided with a fixing frame 150, and the fixing frame 150 is fixed on the housing 140 of the discharge module 100, so that the mesh electrode 110 is always maintained perpendicular to the ion wind.
  • the planar state of the air blowing direction of the device 10 is generated. That is to say, the present invention fixes the position and shape of the mesh electrode 110 by the sizing frame 150, thereby preventing the mesh electrode 110 from being bent or deformed, so that it can always maintain a planar structure to form a planar electrode mesh.
  • the structural frame 150 is much stronger than the fine mesh-like mesh electrode 110, it is not displaced or deformed by an external force, thereby ensuring that each of the needle electrodes 120 is separated from the mesh electrode 110.
  • the distances are the same, that is, the spacing of the needle net is kept constant, and the uneven discharge due to the unequal discharge distance is effectively avoided, thereby causing frictional ignition and odor, thereby eliminating safety hazards.
  • the styling frame 150 can be made of a plastic, rubber or other insulating material having a relatively high hardness.
  • the housing 140 has only four upper, lower, left and right side walls, both of which are open on the front side and the rear side.
  • the mesh electrode 110 is located on the front side of the needle electrode 120 in the depth direction to ensure that the air blowing direction of the ion wind generating device 10 is rearward and forward.
  • the sizing frame 150 is located on the front side of the mesh electrode 110 in the depth direction, thereby being capable of fixing the mesh electrode 110 to the housing 140 through the sizing frame 150, and ensuring the appearance of the entire discharge module 100.
  • the mesh electrode 110 is secured to the styling frame 150 by adhesive means. In some alternative embodiments, the mesh electrode 110 can also be secured to the styling frame 150 by other suitable means.
  • the needle holder 130 further has a plurality of mutually parallel reinforcing ribs 132.
  • the plurality of conductive rods 131 are parallel to each other, and the conductive rods 131 and the reinforcing ribs 132 are alternately disposed, and each of the conductive rods 131 is reinforced with each
  • a needle electrode 120 is provided at the intersection of the ribs 132. That is, the number of the conductive rods 131 and the ribs 132 may vary depending on the number of needle electrodes 120 to ensure that each of the needle electrodes 120 can be fixed by the dual action of the conductive rod 131 and the rib 132. .
  • the spacing and relative position between the conductive rods 131 and the reinforcing ribs 132 are constant, and the structural strength of the conductive rods 131 and the reinforcing ribs 132 is relatively large, and almost no external force is caused.
  • the action is displaced or deformed, so that the relative position of each of the needle electrodes 120 can be reliably ensured, and the ion wind generating device always has good performance.
  • the reinforcing rib 132 and the conductive rod 131 may be integrally formed, or may be fixed together by adhesive, screw or other suitable means.
  • the materials of the two are the same; when the reinforcing rib 132 and the conductive rod 131 are fixed together by glue, screw or other suitable means, the materials of the two may be the same, or different.
  • the rib 132 can be made of an insulating material such as plastic or rubber having a relatively high hardness.
  • the conductive rod 131 is preferably a rod-shaped or elongated strip-shaped PCB board.
  • Each of the conductive bars 131 has an insulating protective layer forming an outer portion thereof and a conductive layer forming an inner portion thereof, the conductive layer being electrically connected to the needle electrode 120 distributed on the conductive rod. Thereby, the conductive layer can be prevented from being exposed to the outside, thereby avoiding the phenomenon of disordered discharge or ignition.
  • a plurality of pinholes for mounting the needle electrode 120 are disposed on a side of each of the conductive bars 131 facing the mesh electrode 110, and the pinholes are surrounded by the soldering process around the needle electrodes 120. Fill layer.
  • the needle electrode 120 maintains a good electrical connection with the conductive layer in the conductive rod 131, and at the same time, the conductive layer is strictly prevented from being exposed to the outside, thereby avoiding the phenomenon of disordered discharge or sparking.
  • the size of the pinhole may be slightly smaller than the size of the needle electrode so that the two are fixed together by an interference fit.
  • the conductive rod 131 and the reinforcing rib 132 are perpendicular to each other, so that the needle holder 130 is not easily deformed, has strong structural stability and high structural strength, and further secures each needle shape.
  • the relative position of the electrode 120 is constant.
  • the angle between the conductive rod 131 and the reinforcing rib 132 may also be an obtuse angle or an acute angle, that is, a lattice in which a plurality of diamonds may be enclosed between the conductive rod 131 and the reinforcing rib 132.
  • the needle holder 130 further includes conductive strips 133 extending in the lateral direction, each of the conductive rods 131 being electrically connected to the conductive strips 133 and extending vertically upward by the conductive strips 133, each of the reinforcing ribs 132 extending in the lateral direction.
  • the ion wind generating device 10 can be blown from the rear to the front, that is, the flow direction of the ion wind generated therefrom is from the back to the front.
  • Each of the discharge modules 100 further includes a housing 140 extending through the front and rear. The conductive strips 132 are engaged with the housing 140 to fix the conductive strips 132 and the conductive rods 131 to which the plurality of needle electrodes 120 are fixed to the housing 140.
  • the distance between each adjacent two conductive rods 131 is the same, and the distance between each adjacent two reinforcing ribs 132 is the same.
  • the distribution of the needle electrode 120 can be made more uniform, and the uniformity of the air blow by the ion wind generating device 10 can be improved, thereby improving the user's comfort experience.
  • the distance between the adjacent two conductive bars 131 and the distance between the adjacent two reinforcing ribs 132 may be the same or different. That is to say, a plurality of rectangular or square lattices may be enclosed between the plurality of conductive rods 131 and the plurality of reinforcing ribs 132.
  • the number and spacing of the conductive bars 131 and the ribs 132 may vary depending on the number of needle electrodes 120 required.
  • the number of the discharge modules 100 is plural, and the plurality of discharge modules 100 are sequentially arranged along the air blowing direction of the ion wind generating device 10, and the plurality of discharge modules 100 are connected in parallel or in series. .
  • the number of the discharge modules 100 may be two, and the two discharge modules 100 are sequentially arranged along the air blowing direction of the ion wind generating device 10 .
  • the number of discharge modules 100 may also be three or more than three.
  • FIG. 6 is a schematic structural view showing a connection relationship between a plurality of discharge modules of an ion wind generating device according to an embodiment of the present invention.
  • the needle electrode 120 of each discharge module 100 is electrically connected to a positive or negative high voltage terminal
  • the mesh electrode 110 of each discharge module 100 is electrically connected to the ground terminal to enable multiple The discharge modules 100 are connected in parallel. That is, the ion wind generating device 10 of the embodiment shown in Fig. 6 is a parallel multi-stage ion wind blowing device.
  • Fig. 7 is a schematic structural view showing a connection relationship between a plurality of discharge modules of an ion wind generating device according to another embodiment of the present invention.
  • the needle electrode 120 of the discharge module 100 at one end of the ion wind generating device 10 is electrically connected to a positive or negative high voltage terminal, and the mesh of the discharge module 100 at the other end is connected.
  • the electrode 110 is electrically connected to the ground terminal, and the mesh electrode 110 of each of the discharge modules 100 except the discharge module 100 at the other end is arranged from one end of the ion wind generating device 10 to the other end thereof.
  • the needle electrodes 120 of the discharge module 100 adjacent to each other are electrically connected to connect the plurality of discharge modules 100 in series. That is, the ion wind generating device 10 of the embodiment shown in Fig. 7 is a series multi-stage ion wind blowing device.
  • a corona discharge phenomenon occurs between the needle electrode 120 in each discharge module 100 and the corresponding mesh electrode 110, so that the wind can pass through the plurality of discharge modules.
  • 100 is accelerated a plurality of times to realize superposition of wind speeds, and further, a negative pressure can be formed when a high air blowing speed is obtained, and the air intake amount is further increased, thereby further increasing the air blowing speed of the ion wind generating device 10, Air supply volume and air supply efficiency.
  • the embodiment of the invention further provides an air conditioner indoor unit.
  • 8 and 9 are schematic structural views of an indoor unit of an air conditioner according to an embodiment of the present invention
  • Fig. 10 is a schematic structural exploded view of an indoor unit of an air conditioner according to an embodiment of the present invention.
  • the air conditioning indoor unit 1 of the present invention includes a casing 30 and at least one ion wind generating device 10 described in any of the above embodiments.
  • the casing 30 has at least one air blowing port 31 for supplying airflow, and one or more air blowing ports 31 of the at least one air blowing port 31 are provided with an opening and closing mechanism 20 for rectifying the air. That is, the number of the air supply openings 31 may be one, and the air supply port 31 is provided with an opening and closing mechanism 20. Alternatively, the number of the air supply ports 31 is plural, and only the partial air supply port 31 has the opening and closing mechanism 20 or the entire air supply port 31 is provided with the opening and closing mechanism 20.
  • the at least one ion wind generating device 10 is disposed in the casing 30 for providing ion wind to the one or more air blowing ports 31 of the at least one air blowing port 31.
  • the ion wind generating device 10 relies on an electric field force to cause kinetic energy to be obtained by particles in the air, thereby forming an ion wind.
  • a rotating air supply component for example, a fan
  • the ion wind generating device 10 has the advantages of small pressure loss, low energy consumption, low noise, and the like, thereby greatly reducing the operation of the air conditioner indoor unit. noise.
  • the air conditioning indoor unit 1 further includes a heat exchange device disposed in the casing 30, and the heat exchange device is configured to exchange heat with air flowing therethrough to change the temperature of the air.
  • the heat exchange device can be a flat plate evaporator, a multi-fold evaporator, a multi-stage evaporator or other type of evaporator.
  • the air conditioner indoor unit 1 can drive the air supply by the ion wind generating device 10 alone, or can cooperate with the fan type unit to drive the air supply.
  • the ion wind generated by the ion wind generating device 10 can be sent out after heat exchange by the heat exchange device, or can be directly sent out without heat exchange of the heat exchange device, and can be separately sent out or mixed with the airflow driven by the fan type component and sent out.
  • the air supply opening 31 having the opening and closing mechanism 20 is circular.
  • the air supply opening 1 which does not have the opening and closing mechanism 20 may have a circular shape, a square shape or other suitable shape.
  • Each of the opening and closing structures 30 includes a center baffle 21 and a plurality of curved blades 22.
  • the center baffle 21 is fixedly disposed at the center of the corresponding one of the air blowing ports 31, and an air outlet region is formed between the outer peripheral edge and the inner peripheral edge of the corresponding one of the air blowing ports 31.
  • the central baffle 21 may be circular, and the corresponding air outlet region is annular.
  • the central baffle 21 may be square, elliptical, or the like.
  • a plurality of curved blades 22 are sequentially disposed along the circumferential direction of the center flap 21, and the plurality of curved blades 22 are disposed to be gathered toward the center of the center flap 21 to at least partially open the wind exit region, and can be fully gathered and contracted to the center.
  • the front side or the rear side of the flapper 21 Thereby, when the air conditioner indoor unit 1 is stopped, the plurality of curved blades 22 can be deployed toward the edge of the air supply opening 31, and the air outlet area can be completely closed, thereby effectively preventing external dust and impurities from entering the air passage, thereby ensuring the inside.
  • the plurality of curved blades 22 are gathered and contracted toward the center of the center flap 21 to completely open the air outlet area to facilitate the air conditioning indoor unit 1 to supply air.
  • the number of curved blades 22 may be six and uniformly disposed along the circumference of the center flap 21. In other embodiments, the number of blades may be six or less or six or more, and may be specifically set according to the blade size, the size of the center baffle 21, and the size of the air supply port 31.
  • the plurality of curved blades 22 can be completely gathered and contracted to the rear side of the center flap 21, that is, when the plurality of curved blades 22 are in the fully closed state, the center flap 21 can shield a plurality of With the curved blade 22, the user cannot observe the curved blade 22 from the outside of the air outlet, so that the shape at the air outlet is more beautiful.
  • the plurality of curved blades 22 can be completely gathered to the rear side of the center flap 21 without occupying additional air passage space, thereby improving the space utilization inside the air conditioner indoor unit 1.
  • a plurality of curved blades 22 can also be deployed in a direction away from the center of the center flap 21 to at least partially enclose the wind exit region.
  • a plurality of curved vanes 22 can be deployed to completely cover the annular outlet region to achieve a complete closure of the blower.
  • FIG. 11 and 12 are schematic structural views of different orientations of a curved blade of an opening and closing structure, respectively, according to an embodiment of the present invention.
  • the curved blade 22 is approximately crescent-shaped, having an outer contour edge portion and an inner contour edge portion, the outer contour edge portion being convex, and the inner contour edge portion being concave.
  • the inner contour edge portion is disposed toward the center of the center flap 21 when the plurality of curved vanes 22 are gathered, and accordingly, the outer contour edge portion may face the inner circumference of the air supply port 31 when the plurality of curved vanes 22 are gathered.
  • the outer contour edge portion and the inner contour edge portion collectively define a root end and an end of the curved blade 22.
  • the outer contour edge portion of each curved blade 22 includes a first arcuate segment 221 and a second arcuate segment 222.
  • the inner contour edge portion includes a third circular arc shaped section 223 and a fourth circular arc shaped section 224.
  • the first arcuate section 221 and the fourth arcuate section 224 are gradually approached toward the root end of the curved blade 22 such that the root end of the curved blade 22 forms a tapered curved region.
  • the second circular arc-shaped section 222 and the third circular-arc shaped section 223 are gradually approached toward the end of the curved blade 22 such that the end of the curved blade 22 also forms a tapered curved region.
  • first circular arc-shaped section 221 and the fourth circular-arc shaped section 224 are gradually approached in a direction directed to the root end of the curved blade 22 such that the root end of the curved blade 22 forms a tapered curved region.
  • the second arcuate section 222 and the third arcuate section 223 are gradually approached in a direction directed to the end of the curved blade 22 such that the end of the curved blade 22 forms a tapered curved region.
  • the curvature of the first arcuate section 221 is equal to the curvature of the outer periphery of the center flap 21. That is, when the plurality of curved blades 22 are completely gathered to the rear side of the center flap 21, the first circular arc-shaped section 221 of the plurality of curved vanes 22 coincides with the outer circumference of the center flap 21. After the plurality of curved blades 22 are gathered, a partial region of each of the curved blades 22 is located between the two curved blades 22 adjacent to the curved blade 22.
  • the curvature of the second arcuate section 222 is equal to the curvature of the inner circumference of the air supply port 31.
  • the second circular arc segments 222 of the plurality of curved blades 22 coincide with the inner peripheral edge of the air blowing port 31. So designed, the plurality of curved blades 22 can be completely gathered to the rear side of the center baffle 21 or fully deployed to shield the wind out area, so that the shape at the air supply port 31 is more complete and beautiful.
  • the curvature and length of the third circular arc-shaped section 223 are equal to the curvature and length of the first circular arc-shaped section 221 .
  • the first arc-shaped segments 221 and the third arc-shaped segments of the adjacent two curved blades 22 are just joined together. Together, the plurality of curved blades 22 can completely cover the wind-out region, while the adjacent curved blades 22 do not overlap as much as possible to fully utilize the size of the curved blades, so that the shape at the air supply opening is more complete. Beautiful.
  • each curved blade 22 is preferably rotatably disposed about the root end thereof on the front side or the rear side of the center flap 21. Moreover, after the plurality of curved blades 22 are gathered, a partial region of each of the curved blades 22 is located between the two curved blades 22 adjacent to the curved blade.
  • the first circular arc-shaped section 221 further has a guiding flange 225 which is gradually increased from the root end of the curved curved blade 22 toward the distal end, so that when the plurality of curved blades 22 are contracted or expanded, The plurality of curved blades 22 are guided in the front-rear direction of the indoor unit so that the plurality of curved blades 22 can at least partially overlap.
  • the guiding flange 225 has a lower position near the root end and a higher position away from the root end.
  • the guiding flange 225 can guide the adjacent blades to move slightly toward the rear side, so that Adjacent curved blades 22 are staggered in the front-rear direction of the opening and closing structure 20 to prevent mechanical interference.
  • the positive direction of the X-axis points to the front side of the indoor unit of the air conditioner
  • the positive direction of the Y-axis points to the right side of the indoor unit
  • the positive direction of the Z-axis points to the upper side of the indoor unit.
  • the air supply port 31 is located on the front side of the casing 30, and at least a part of the air supply port 31 is provided with an air guiding structure 50 on the rear side.
  • the air blowing mechanism 50 is provided at the circular air blowing port 31 having the opening and closing mechanism 20.
  • FIG 13 is a front elevational view showing an air guiding structure of an indoor unit of an air conditioner according to an embodiment of the present invention.
  • each air guiding structure 50 includes a rotating ring 53 and two swinging blade assemblies.
  • the rotating ring 53 is disposed inside the casing 30 and disposed opposite a corresponding one of the air blowing ports 31, and the rotating ring 53 is configured to be controllably rotated about its central axis.
  • the inner peripheral edge of the rotating ring 53 can be overlapped with the inner peripheral edge of the air blowing port 31 in the vertical and horizontal directions of the air conditioning indoor unit 1, that is, the inner peripheral edge of the rotating ring 53 is provided on the rear side of the inner peripheral edge of the air blowing port 31.
  • each swinging blade assembly includes a swinging leaf drive mechanism and a plurality of swinging vanes 54 located on the inner side of the rotating ring, and the root of each of the pendulum blades 54 Each has a rotation axis 541 through which the end of the rotation shaft 541 can pass.
  • the pendulum drive mechanism is configured to drive the plurality of pendulum blades 54 to rotate synchronously about the respective rotation axes 541.
  • the pendulum blades 54 of the two pendulum assemblies are also symmetrically disposed about the diameter of the one of the rotating rings 53, and the axes of rotation 541 of the two pendulum blades 54 that are symmetric with each other are on the same straight line.
  • the size of the pendulum leaf 54 can be set according to the size of the wind exit area.
  • each wobble drive mechanism is rotatable following the rotating ring 53, and includes: a curved link, a plurality of rockers, a crank, and a link motor.
  • the range of rotation of the rotating ring 53 is preferably 0 to 90°.
  • the working principle of the air guiding structure 50 is that the rotating ring 53 is first rotated to a preset position to move the rotating shaft 541 of the plurality of swinging blades 54 to a position at a specific angle with respect to the horizontal plane, and then adjust the swinging blade 54 according to the user's needs.
  • Rotation angle Specifically, when the user needs the air-conditioning indoor unit 1 to ventilate in the up and down direction, the rotating ring 53 is first rotated to 0°. At this time, the rotation axis 541 is in the horizontal direction, as shown in the right air supply port 31 of the air conditioning indoor unit 1 in FIG.
  • the two curved links are driven to move up and down, and the plurality of swinging blades 54 are driven up and down.
  • the rotating ring 53 is first rotated to 90°.
  • the rotation shaft 541 is in the vertical direction, as shown in FIG. 9, the left air supply port of the air conditioner indoor unit 1, and at this time, the two curved link movements are driven to drive the plurality of swinging blades 54 to be turned left and right.
  • the swinging vane 54 of the wind deflecting structure 50 of the present invention can rotate about its own rotating shaft 541 and can also revolve around the center of the rotating ring 53.
  • the user can first adjust the rotation of the rotating ring 53 to determine the sweeping direction of the air blowing port 31, for example, up and down sweeping, left and right sweeping, oblique 45° sweeping, and then adjusting the swinging blade 54 to rotate. Sweep the wind.
  • the wind is simultaneously swept to possibly blow out the natural wind.
  • the swinging blade 54 of the present invention has a more diverse swinging angle, and the user can more freely adjust the air blowing angle of the air blowing port.
  • the number of air blowing ports 31 provided with the opening and closing mechanism 50 is plural, and the air conditioning indoor unit 1 further includes a one-to-one correspondence with the air blowing ports 31 provided with the opening and closing mechanism 50.
  • Multiple axial fans 60 are Specifically, the number of the ion wind generating devices 10 is one, and the number of the axial flow fans 60 is two, and the two axial flow fans 60 are respectively disposed on the lateral sides of the ion wind generating device 10.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Air-Flow Control Members (AREA)

Abstract

L'invention concerne un dispositif éolien ionique (10) et une unité intérieure (1) d'un climatiseur. Le dispositif éolien ionique (10) comprend au moins un module de décharge (100) utilisé pour générer un vent ionique. Chaque module de décharge (100) comprend : une grille à mailles (110) s'étendant perpendiculairement à la direction de soufflage d'air du dispositif éolien ionique (10) ; de multiples électrodes aiguilles (120) réparties sur un côté amont de la grille à mailles (110) le long de la direction de soufflage d'air du dispositif éolien ionique (10), les pointes des électrodes aiguilles (120) pointant vers la grilles à mailles (110) ; un cadre d'aiguille (130) utilisé pour fixer les multiples électrodes aiguilles (120) ; et un filet de blindage (180) disposé sur un côté du cadre d'aiguille (130) opposé à la grille à mailles (110), un espace étant formé entre le filet de blindage (180) et le cadre d'aiguille (130), de manière à empêcher les électrodes aiguilles (120) de se décharger vers le côté opposé à la grille à mailles (110). L'unité intérieure (1) d'un climatiseur comprend : un boîtier (30) pourvu d'au moins un orifice de soufflage d'air (31) pour qu'un flux d'air s'écoule vers l'extérieur, un ou plusieurs des orifices de soufflage d'air (31) sont pourvus d'un mécanisme d'ouverture/fermeture (20) utilisé pour le redressement et le soufflage d'air ; et au moins un dispositif éolien ionique (10) disposé dans le boîtier (30) pour fournir du vent ionique à un ou plusieurs des orifices de soufflage d'air (31).
PCT/CN2018/085852 2017-05-16 2018-05-07 Dispositif éolien ionique et unité intérieure de climatiseur Ceased WO2018210152A1 (fr)

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CN201710343589.9A CN108870530B (zh) 2017-05-16 2017-05-16 离子风发生装置及空调室内机
CN201710343589.9 2017-05-16

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CN112682937A (zh) * 2021-01-15 2021-04-20 珠海格力电器股份有限公司 除尘装置、除尘控制方法、换热器组件及空调器
CN120843789B (zh) * 2025-09-03 2025-11-25 法垄热工技术(上海)有限公司 一种集成化热处理生产线

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JPS60241946A (ja) * 1984-05-15 1985-11-30 Matsushita Electric Ind Co Ltd 空気清浄器
JPS6125649A (ja) * 1984-07-16 1986-02-04 Nippon Soken Inc イオン風起風装置
CN2234659Y (zh) * 1995-05-26 1996-09-04 王德英 多功能负离子发生器
WO2007112763A1 (fr) * 2006-04-03 2007-10-11 Aureola Swedish Engineering Ab Méthode et appareil de refroidissement et de ventilation
CN203550151U (zh) * 2013-09-26 2014-04-16 广东美的制冷设备有限公司 导风机构和空调器
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CN105387599A (zh) * 2015-12-18 2016-03-09 广东美的制冷设备有限公司 用于空调器的导风板组件及空调器
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