WO2008004454A1 - Appareil de génération d'ions et appareil électrique - Google Patents
Appareil de génération d'ions et appareil électrique Download PDFInfo
- Publication number
- WO2008004454A1 WO2008004454A1 PCT/JP2007/062662 JP2007062662W WO2008004454A1 WO 2008004454 A1 WO2008004454 A1 WO 2008004454A1 JP 2007062662 W JP2007062662 W JP 2007062662W WO 2008004454 A1 WO2008004454 A1 WO 2008004454A1
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- WIPO (PCT)
- Prior art keywords
- transformer
- ion
- block
- drive circuit
- ion generating
- Prior art date
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Classifications
-
- 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
-
- 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
Definitions
- the present invention relates to an ion generation device and an electric device, and more particularly to an ion generation device and an electric device including a transformer driving circuit, a transformer, and an ion generation element.
- ion generators using a discharge phenomenon have been put into practical use. These ion generators generally include an ion generating element for generating ions, a high voltage transformer for supplying a high voltage to the ion generating element, a high voltage transformer driving circuit for driving the high voltage transformer, and a connector. It is comprised by the power input part, such as.
- the types of ion generating elements are roughly classified into two types. One of them is a metal wire, a metal plate with an acute angle, a needle-shaped metal or the like as a discharge electrode, and a ground potential metal plate or grid as a counter electrode, or a counter electrode as a ground.
- the electrode is not arranged.
- air serves as an insulator.
- This ion generation element is a system that obtains a discharge phenomenon by applying electric field concentration at the tip of an electrode with a sharp angle when a high voltage is applied to the electrode, and the air near the tip breaks down. is there.
- the other is composed of a pair of an induction electrode embedded in a high-voltage dielectric and a discharge electrode disposed on the dielectric surface.
- This type of ion generating element is a method in which when a high voltage is applied to an electrode, an electric field concentration occurs in the vicinity of the outer edge of the discharge electrode on the surface, and the air in the immediate area breaks down to cause a discharge phenomenon. is there.
- a winding transformer having a primary winding and a secondary winding and a piezoelectric transformer using a piezoelectric phenomenon made of a piezoelectric ceramic element are practically used. It has become.
- a conventional ion generator for example, there is one described in JP-A-2002-374670.
- This ion generator uses a discharge electrode as an ion generation electrode and a counter electrode as a discharge electrode. It is of a type that is not arranged.
- a piezoelectric transformer for supplying a high voltage to the ion generating electrode and a drive circuit for driving the piezoelectric transformer are mounted in a case and integrated with a mold.
- the ion generating electrode is arranged outside the case and connected to a cable drawn from the case.
- the high-voltage transformer describes differences and advantages / disadvantages of a piezoelectric transformer and a winding transformer.
- the transformer itself can be more compact than a winding transformer, but the peripheral circuit is complicated. Is described. It is described that the high-voltage transformer is mounted on the same substrate as the other components, and that the substrate is placed in the outer case in a form where the bottom surface force of the case is buoyant for a certain distance.
- Patent Document 1 JP 2002-374670 A
- the high-voltage transformer is mounted on the same substrate as the drive circuit.
- the high voltage transformer placement section requires a height not less than the thickness of the high voltage transformer on the board surface (component surface) side, and the high voltage transformer on the board back surface (solder surface) side.
- the height of the soldered lead must be at least as long.
- the present invention has been made in view of the above problems, and an object of the present invention is to provide an ion generator suitable for miniaturization and thinning, and an electric device equipped with the ion generator. Means for solving the problem
- the ion generator of the present invention has a transformer driving circuit, a transformer driven by the transformer driving circuit to boost the voltage, and a voltage boosted by the transformer to which positive ions and negative ions are applied.
- An ion generating device including an ion generating element for generating at least one of ions, wherein at least a transformer driving circuit block for arranging a transformer driving circuit and at least a secondary side of the transformer are arranged A case that is divided in a plane into a transformer block for arranging the ion generating element and an ion generating element block for arranging the ion generating element.
- each block can be molded separately. It can.
- the transformer block the entire secondary side of the transformer can be molded, but in the ion generating element block, the high voltage circuit portion of the ion generating element can be molded without molding the ion generating portion.
- the high-pressure part of the ion generator can be efficiently insulated and separated by the mold, so that the parts can be placed close to each other, and the ion generator can be made smaller and thinner.
- the above ion generating apparatus has a configuration in which a transformer block and an ion generating element block are molded.
- the transformer block the entire secondary side of the transformer is molded, but in the ion generating element block, the ion generating portion is not molded, and the high voltage circuit portion of the ion generating element is formed.
- the high pressure portion of the ion generator can be efficiently insulated and separated by the mold. For this reason, it becomes possible to arrange each part close to each other, and the ion generator can be made smaller and thinner.
- the transformer drive circuit block has a configuration that can be molded with the transformer drive circuit disposed.
- the transformer drive circuit block can be molded as necessary, the ion generator can be further reduced in size and thickness.
- the case has a wall for partitioning the transformer drive circuit block and the transformer block, and the wall is a connection for electrically connecting the transformer drive circuit and the transformer. It has a notch for passing the part.
- the transformer drive circuit block and the transformer block can be partitioned in a plane, and the transformer drive circuit and the transformer can be electrically connected by a notch provided in the wall. .
- the case has a wall for partitioning the primary side and the secondary side of the transformer, and the transformer is arranged at an intermediate portion between the primary side and the secondary side.
- the enlarged diameter part has a larger diameter than the other parts, and the enlarged diameter part abuts against the wall in a state where the intermediate part of the transformer is fitted in the notch of the wall.
- the enlarged diameter portion abuts against the wall in a state where the intermediate portion of the transformer is fitted in the cutout portion of the wall in this way, for example, when molding into the transformer block, the mold is transferred from the transformer block to the transformer driving circuit block. Inflow can be prevented.
- the ion generating element preferably includes an induction electrode, a plurality of discharge electrodes, and a support substrate.
- the induction electrode is an integral metal plate force having a plurality of through holes, and the thickness of the wall portion of the through hole is made thicker than the plate thickness of the metal plate by bending each peripheral portion of the plurality of through holes. It is.
- Each of the plurality of discharge electrodes has a needle-like tip located within each of the plurality of through holes of the induction electrode and within the thickness range of the through holes.
- the support substrate supports the induction electrode and the plurality of discharge electrodes.
- the induction electrode has an integral metal plate force as described above, the thickness can be reduced. Further, since the peripheral portion of the through hole is bent, the thickness of the wall portion of the through hole can be made larger than the thickness of the metal plate while the induction electrode is formed of an integral metal plate.
- the shortest distance between the induction electrode and the discharge electrode is the distance between the needle tip of the discharge electrode and the peripheral edge of the through hole of the induction electrode. It becomes.
- the thickness of the peripheral portion of the through hole is thicker than the thickness of the metal plate, even if the position of the discharge electrode is slightly shifted in the thickness direction of the peripheral portion, the needle-shaped tip of the through hole is Stays within the thickness range.
- the shortest distance between the induction electrode and the discharge electrode is the needle of the discharge electrode.
- the distance between the tip of the electrode and the peripheral edge of the through hole of the induction electrode is maintained, and it is possible to reduce variations in the amount of ions generated due to variations in positional relationship.
- the case includes a main body that is divided in a plane into a transformer driving circuit block, a transformer block, and an ion generating element block, and a lid for covering the main body.
- the lid body has a plurality of ion emission holes provided corresponding to each of the plurality of through holes.
- the case includes a main body that is planarly divided into a transformer driving circuit block, a transformer block, and an ion generating element block, and a lid for covering the main body.
- the bottom portion of the main body has a plurality of ion emission holes provided corresponding to each of the plurality of through holes.
- each of the plurality of ion emission holes preferably has an opening size smaller than that of the through hole.
- Another ion generating apparatus of the present invention is positive by applying a transformer driving circuit, a transformer driven by the transformer driving circuit to boost a voltage, and a voltage boosted by the transformer.
- An ion generation device including an ion generation element for generating at least one of ions and negative ions, and includes a substrate and a case.
- the substrate has a transformer drive circuit mounted on the surface.
- the case accommodates the substrate on which the transformer drive circuit is mounted, the transformer, and the ion generating element.
- the transformer is not mounted on the surface of the board and is housed in the case in a state.
- the thickness of the substrate at the height of the case in the transformer block can be deleted.
- the height of the case in the transformer block can be reduced, and the size of the ion generator can be reduced.
- the electrical device of the present invention is configured by placing the above-described ion generator and at least one of positive ions and negative ions generated by the ion generator on a blowing airflow. And a blowing section for sending.
- the ions generated in the ion generator can be sent on the airflow by the blower, so that, for example, the ions can be released outside the apparatus in the air conditioning equipment.
- Ions can be released into or out of the cabinet.
- the transformer is not mounted on the substrate and is housed in the case in a state where Therefore, the ion generator can be reduced in size and thickness. For this reason, it is possible to mount on an electrical device that could not be equipped with an ion generator due to size restrictions so far, expanding applications to electrical devices equipped with an ion generator and increasing the degree of freedom of mounting locations. It becomes possible to do.
- FIG. 1 is an exploded perspective view schematically showing a configuration of an ion generator in an embodiment of the present invention.
- FIG. 2 is a schematic plan view of the ion generator shown in FIG. 1 with the lid removed.
- FIG. 3 is a schematic sectional view taken along line III-III in FIG.
- FIG. 4 is a schematic cross-sectional view taken along the line IV-IV in FIG.
- FIG. 5 is a view of R1 part of FIG.
- FIG. 6 is an exploded perspective view schematically showing a configuration of an ion generating element used in the ion generating apparatus shown in FIGS.
- FIG. 7 is a plan view schematically showing a configuration of an ion generating element used in the ion generating apparatus shown in FIGS.
- FIG. 8 is a schematic sectional view taken along line VIII-VIII in FIG.
- FIG. 9 is an enlarged cross-sectional view showing a portion R2 in FIG. 8 in an enlarged manner.
- FIG. 10 is a plan view schematically showing a configuration of a high-voltage transformer used in the ion generator shown in FIGS.
- FIG. 11 is a plan view showing a state in which a high voltage transformer is molded in a case.
- FIG. 12 is a functional block diagram of an ion generator according to an embodiment of the present invention, and shows electrical connection of each functional element.
- FIG. 13 is a plan view showing a configuration in which only the secondary side of the high-voltage transformer is arranged in the high-voltage transformer block and the primary side is arranged in the high-voltage transformer drive circuit block.
- FIG. 14 is a plan view showing a configuration in which an enlarged-diameter portion is provided between the primary side and the secondary side of the high-voltage transformer.
- FIG. 15 is a diagram showing a configuration in which a step is provided at the bottom of the case between the high-voltage transformer block and the high-voltage transformer drive circuit block.
- FIG. 16 is a perspective view showing a state in which the elements of the drive circuit are arranged in the through hole in which the substrate on which the high-voltage transformer drive circuit is mounted is cut out.
- FIG. 17 is a partial sectional view taken along line XVII—XVII in FIG.
- FIG. 18 is a perspective view schematically showing a configuration of an air cleaner using the ion generator shown in FIGS. 1 to 3.
- FIG. 19 is an exploded view of the air cleaner showing an ion generator arranged in the air cleaner shown in FIG. 18.
- FIG. 1 is a schematic diagram showing the configuration of an ion generator according to an embodiment of the present invention.
- FIG. FIG. 2 is a schematic plan view of the ion generator shown in FIG. 1 with the lid removed.
- 3 and 4 are schematic sectional views taken along lines III-III and IV-IV in FIG.
- ion generator 50 of the present embodiment includes high voltage circuit 5 (FIG. 3), ion generating element 10, high voltage transformer 20, and high voltage transformer drive circuit 30 ( 3), a power input connector 30b (FIG. 3), and an exterior case 40.
- the high-voltage transformer drive circuit 30 is for driving the high-voltage transformer 20 in response to an external input voltage.
- the high voltage transformer 20 is driven by the high voltage transformer drive circuit 30 to boost the input voltage.
- the ion generating element 10 generates at least one of positive ions and negative ions by applying a voltage boosted by the high-voltage transformer 20.
- the exterior case 40 includes a main body 40a and a lid 40b. Inside the main body 40a is an ion generating element block 40A for arranging the ion generating element 10, a high voltage transformer block 40B for arranging the high voltage transformer 20, and a high voltage transformer driving for arranging the high voltage transformer driving circuit 30.
- the circuit block 40C is partitioned in a plane. Each block 40A, 40B, 40C is partitioned, for example, by walls 41, 42, 43 placed in the main body 40a! /
- the ion generating element 10 is accommodated in the ion generating element block 40A in a state where the constituent elements of the high voltage circuit 5 are attached.
- the high voltage transformer 20 is accommodated in the high voltage transformer block 40B without being mounted on the substrate.
- the high-voltage transformer drive circuit 30 and the power input connector 30b are accommodated in the high-voltage transformer drive circuit block 40C while being mounted on the substrate 31. A part of the power input connector 30b is exposed to the outside of the outer case 40, so that the external power can be connected to the power connector.
- Each functional element housed in the main body 40a is appropriately electrically connected and molded as will be described later. Finally, a lid 40b is attached so as to close the upper opening of the main body 40a. It has been.
- the lid 40b is provided with a hole 44 for ion emission.
- FIG. 6 and FIG. 7 are an exploded perspective view and a plan view schematically showing the configuration of the ion generating element used in the ion generating apparatus shown in FIGS.
- FIG. 8 is a schematic sectional view taken along line VIII-VIII in FIG.
- FIG. 9 is an enlarged cross-sectional view showing a portion R2 in FIG.
- ion generating element 10 is for generating at least one of positive ions and negative ions by, for example, corona discharge, and includes induction electrode 1 and discharge electrode. 2 and a support substrate 3.
- the induction electrode 1 is made of an integral metal plate, and has a plurality of through holes lb provided in the top plate portion la corresponding to the number of discharge electrodes 2.
- the through hole lb is an opening for discharging ions generated by corona discharge to the outside of the ion generating element 10.
- the number of through holes lb is two, for example, and the planar shape of the through hole lb is, for example, a circle.
- the peripheral edge portion of the through hole lb is a bent portion lc obtained by bending the metal plate with respect to the top plate portion la by a method such as drawing. Due to this bent portion lc, as shown in FIGS. 8 and 9, the thickness T1 of the peripheral wall portion of the through hole lb is thicker than the plate thickness T2 of the top plate portion la.
- the induction electrode 1 has, for example, substrate insertion portions Id obtained by bending a part of a metal plate with respect to the top plate portion la at both ends.
- This board insertion part Id has a wide support part Id,
- the other end is connected to the insertion part Id.
- the induction electrode 1 may include a substrate support portion in which a part of the metal plate is bent with respect to the top plate portion la.
- the substrate support portion le is bent in the same direction (lower side in FIG. 6) as the bending direction of the substrate insertion portion Id.
- the length of the substrate support portion le in the folding direction is substantially the same as the length of the support portion Id of the substrate insertion portion Id in the bending direction.
- the bent portion lc may be bent in the same direction as the substrate insertion portion Id and the substrate support portion le (lower side in FIG. 6), and may be bent in the direction opposite to the substrate insertion portion Id and the substrate support portion le ( It may be bent upward (in FIG. 6). Further, the bent portion lc, the substrate insertion portion Id, and the substrate support portion le are bent, for example, at a substantially right angle with respect to the top plate portion la.
- the discharge electrode 2 has a needle-like tip.
- the support substrate 3 has a through hole 3a for inserting the discharge electrode 2 and a through hole 3b for inserting the insertion portion ld2 of the substrate insertion portion Id.
- the acicular discharge electrode 2 is supported by the support substrate 3 in a state of being inserted or press-fitted into the through hole 3 a and penetrating the support substrate 3.
- the needle-like one end of the discharge electrode 2 protrudes to the front surface side of the support substrate 3, and the other end protrudes to the back surface side of the support substrate 3, as shown in FIGS. It is possible to electrically connect lead wires and wiring patterns with solder 4.
- the insertion portion Id of the induction electrode 1 is inserted into the through hole 3b and penetrates the support substrate 3.
- Lead wires and wiring patterns can be electrically connected to the tip by solder 4 as shown in FIG.
- the step at the boundary contacts the surface of the support substrate 3.
- the top plate portion la of the induction electrode 1 is supported at a predetermined distance from the support substrate 3.
- the tip of the substrate support portion le of the induction electrode 1 is in contact with the surface of the support substrate 3 in an auxiliary manner. That is, the induction electrode 1 can be positioned in the thickness direction with respect to the support substrate 3 by the substrate insertion portion Id and the substrate support portion le.
- the discharge electrode 2 is positioned at the center C of the circular through hole lb as shown in FIG.
- the through hole lb is arranged so as to be located within the range of the thickness of the peripheral portion of the through hole lb (that is, the bent length of the bent portion lc) T1.
- the components of the high voltage circuit 5 are attached to the back surface (solder surface) of the support substrate 3 as shown in FIG.
- the thickness of the peripheral portion of the through hole lb (that is, the bending length of the bent portion lc) T1 is about 1 mm or more and 2 mm or less
- the plate thickness T2 of the plate-like induction electrode 1 is 0. It is about 5 mm or more and lm m or less.
- the thickness from the upper surface of the support substrate 3 to the surface of the induction electrode 1 is about 2 mm to 4 mm.
- high-voltage transformer 20 is, for example, a shoreline transformer.
- the winding transformer 20 has a configuration in which a primary winding 21 and a secondary winding 22 that are insulated from each other are wound around a bobbin around an iron core.
- the primary winding 21 and the secondary winding 22 are They are arranged side by side.
- the voltage generated on the secondary side of the winding transformer 20 is generally determined by the power ratio and inductance of the primary winding 21 and the secondary winding 22, and the secondary winding is required to generate a high voltage.
- Line 22 usually requires a few thousand turns. When these several thousand turns of wire are wound around a narrow area of the bobbin, the thickness of the wire transformer 20 increases. For this reason, the bobbin structure is designed in such a way that a single winding line is divided into as many layers as possible to reduce the number of turns per layer as much as possible. Therefore, it is preferable to reduce the overall thickness. In addition, if the number of divisions is extremely increased, the length of the winding transformer 20 increases, which is disadvantageous for miniaturization.
- Both terminals 23, 23 of the primary winding 21 are arranged at the ends of the longitudinal direction of the winding transformer 20 (the direction in which the primary winding 21 and the secondary winding 22 are adjacent to each other). Both terminals 24, 24 of the next feeder 22 are arranged on the side of the feeder transformer 20.
- the high-voltage transformer 20 may be arranged in the high-voltage transformer block 40B of the main body 40a in the single state shown in FIG. 10, but the high-voltage transformer 20 is placed in the case 25 as shown in FIG. It may be arranged in the transformer block 40B. In this state, the molding is performed with the high-voltage transformer 20 placed in the case 25, and the molding material 26 is filled in the gap between the case 25 and the high-voltage transformer 20. This ensures insulation performance with the high-voltage transformer 20 alone.
- a lead wire 27 is connected to each of the terminals 23 and 24 of the high-voltage transformer 20 and drawn out of the case 25.
- high-voltage transformer drive circuit 30 receives power supply from power input connector 30b, charges the capacitor, and uses a semiconductor switch or the like when the voltage reaches a specified level or higher.
- the electric charge charged in the capacitor is discharged, and the current is supplied to the primary side of the high-voltage transformer 20.
- the element 30 a constituting the high-voltage transformer drive circuit 30 is attached to the back surface of the substrate 31.
- the power input connector 30b A part or all of is attached.
- the power input connector 30b can be electrically connected to the outside of the outer case 40 in a state where the board 31 on which the high voltage transformer drive circuit 30 and the power input connector 30b are mounted is disposed in the high voltage transformer drive circuit block 40C. It is configured.
- solder surface of the substrate 31 of the high-voltage transformer drive circuit block 40C is the upper side of FIG. 3
- the component surface (component mounting surface) is the lower side of FIG. 3
- the power input connector 30b is shown in FIG. It is exposed on the lower side of.
- lid 40b of outer case 40 has an ion emission hole 44 in a wall portion facing through hole lb of ion generating element 10. As a result, the ion force generated in the ion generating element 10 is released to the outside of the ion generating device 50 through the hole 44. As described above, since one discharge electrode 2 of the ion generating element 10 generates positive ions and the other discharge electrode 2 generates negative ions, one of the discharge electrodes 2 provided in the outer case 40 is provided. Hole 44 becomes a positive ion generator, and the other hole 44 becomes a negative ion generator.
- the ion release hole 44 is set to have a diameter smaller than the diameter of the through hole lb of the induction electrode 1 so that the induction electrode 1 which is a current-carrying part is not touched directly.
- the tip position of discharge electrode 2 is also (total thickness of lid 40b of outer case 40) + (thickness of top plate la of induction electrode 1) + (bending length of induction electrode 1). 3.
- the outer case 40 has a structure that is recessed from the surface.
- This ion generator 50 has a thickness of 5 mm or more and 8 mm or less as described above.
- FIG. 12 is a functional block diagram of the ion generator in one embodiment of the present invention, and is a diagram showing electrical connection of each functional element.
- the ion generation device 50 includes ions that are arranged in the outer case 40 and the ion generation element block 40A.
- the generator 10 and the high voltage circuit 5, the high voltage transformer 20 arranged in the high voltage transformer block 40B, the high voltage transformer drive circuit 30 arranged in the high voltage transformer drive circuit block 40C, and a power input connector 30b are provided. Note that a part of the power input connector 30b is arranged in the high-voltage transformer drive circuit block 40C, and the other part is exposed to the outside of the outer case 40, so that external power can be connected to the power connector. It has become.
- the power input connector 30b is a portion that receives supply of DC power or commercial AC power as input power.
- the power input connector 30b is electrically connected to the high voltage transformer drive circuit 30.
- the high-voltage transformer drive circuit 30 is electrically connected to the primary side of the high-voltage transformer 20.
- the high-voltage transformer 20 boosts the voltage input to the primary side and outputs it to the secondary side.
- One side of the secondary side of the high-voltage transformer 20 is electrically connected to the induction electrode 1 of the ion generating element 10, and the other side of the secondary side is electrically connected to the discharge electrode 2 through the high-voltage circuit 5. .
- the high voltage circuit 5 applies a positive high voltage to the induction electrode 1 to the discharge electrode 2 that generates positive ions, and has a negative polarity to the induction electrode 1 to the discharge electrode 2 that generates negative ions. It is configured to apply a high voltage. As a result, positive and negative ions can be generated. Of course, it is possible to generate only positive ions or only negative ions depending on the configuration of the high-voltage circuit 5.
- the high-voltage transformer 20 has a primary-side terminal 23 and a secondary-side terminal 24, and the terminal 23 is a high-voltage transformer drive circuit 30.
- the terminal 24 is directly connected to the back surface (solder surface) of the support substrate 3 on which the high-voltage circuit 5 is mounted by solder connection. Further, the above connection may be made by a lead wire regardless of the terminals 23 and 24.
- the power input connector 30b and the high-voltage transformer drive circuit 30 are electrically connected by a lead wire or a wiring pattern (not shown) while being mounted on the substrate 31 as shown in FIG.
- the high-voltage transformer 20, the ion generating element 10 and the high-voltage circuit 5 are electrically connected by a lead wire or a wiring pattern (not shown) while being mounted on the support substrate 3 as shown in FIG.
- each functional element is appropriately molded in a state of being housed in the outer case and electrically connected.
- the ion generating element block 40A and the high-voltage transformer block 40B are high-voltage parts, the back surface side (soldering) of the supporting substrate 3 is excluded except for the ion generating part (front surface side of the supporting substrate 3) in the ion generating element block 40A. It is desirable to reinforce the insulation of the surface side) and the high-voltage transformer block 40B with a resin mold (for example, epoxy resin).
- a resin mold for example, epoxy resin
- the outer case 40 is provided with a wall 41 so that the mold of the high-voltage transformer block 40B does not flow into the high-voltage transformer drive circuit block 40C. It is also necessary to pass a connection (such as a lead wire) for connecting the input terminal 23 to the high-voltage transformer drive circuit 30. Therefore, as shown in FIG. 5, it is preferable to provide a notch 41a for passing the connecting portion in a part of the wall 41.
- the high-voltage transformer drive circuit block 40C may also be molded depending on the use environment of the ion generator 50. Basically, the applied voltage of this block 40C is a household power supply voltage, so it is lower voltage than other blocks, and it is covered by the outer case 40 unless it is in a special environment such as high humidity or heavy dust. Therefore, there is a case where even the mold is not required, and a structure that can select the mold (configuration that can be molded) can be obtained.
- the structure in which a mold can be selected is a state in which the substrate 31 on which the high-voltage transformer drive circuit 30 and the power input connector 30b are mounted is disposed in the high-voltage transformer drive circuit block 40C. It is possible to wrap the molding material from the front side (lid side) of the substrate 31 to the back side (the bottom side of the main body 40a), and the molding material does not leak from the bottom of the main body 40a of the outer case 40. It is configured to mean that.
- the molding is performed after the functional elements are arranged in the outer case 40, even if the molding material is injected from the front surface side of the substrate 31, the molding is performed up to the back surface side which is the component mounting surface.
- the outer case 40 and the substrate 31 must be configured so that the material wraps around. Yes.
- the molding material is liquid at the time of pouring, if the bottom of the outer case 40 is not sealed, it will leak to the outside of the outer case 40, so that the molding material will not leak. It is necessary to have a sealed structure at the bottom.
- FIG. 2 the force for explaining the configuration in which the entire high-voltage transformer 20 is disposed in the high-voltage transformer block 40B as shown in FIG. 2 is shown in FIG.
- the primary side of the high-voltage transformer 20 (primary wire 21 and terminal 23) is placed in the high-voltage transformer drive circuit block 40C as long as the secondary wire 22 and terminal 24) are placed in the high-voltage transformer block 40B. May be.
- the high-voltage transformer 20 when the inside of the high-voltage transformer drive circuit block 40C is not molded, the high-voltage transformer 20 has a primary side (primary wire 21 and terminal 23) and a secondary side (secondary) as shown in FIG. It is preferable that an enlarged portion 28 having a larger diameter than other portions of the high-voltage transformer 20 is provided at an intermediate portion between the secondary wire 22 and the terminal 24). As a result, as shown in FIG. 13, one end face of the enlarged diameter portion 28 of the high-voltage transformer 20 comes into contact with the wall 41 in a state where the high-voltage transformer 20 is fitted in the notch 41 b of the wall 41. As a result, the mold in the high-voltage transformer block 40B can be prevented from flowing into the high-voltage transformer drive circuit block 40C.
- This hole 44 is formed on the bottom surface of the main body 40a of the outer case 40 as shown in FIG. It may be provided. That is, the lid 40b may be the side where the ion releasing hole 44 is provided, or may be the side where the ion releasing hole 44 is not provided.
- the high voltage transformer 20 is arranged in the outer case 40 by providing a step S at the bottom of the outer case 40 between the high voltage transformer block 40B and the high voltage transformer drive circuit block 40C.
- the height position force of the terminal 23 of the high-voltage transformer 20 may be a height position in contact with the upper surface of the substrate 31 on which the high-voltage transformer drive circuit 30 is mounted.
- the terminal 23 of the high-voltage transformer 20 can be directly connected to the substrate 31 by soldering or the like.
- FIG. 15 for convenience of explanation, the illustration of the wall that partitions the high voltage transformer block 40B and the high voltage transformer drive circuit block 40C is omitted.
- the element 30a when the element 30a constituting the high-voltage transformer drive circuit is mounted on the substrate 31, the element 30a may be disposed in the through hole 31a in which a part of the substrate 31 is hollowed out. Yes.
- the element 30a is electrically connected to other elements by a lead wire 32 or the like.
- the lead wire 32 is disposed below the substrate 31 in FIG. 17, but may be disposed above the substrate 31.
- the needle-like tip position of the discharge electrode 2 that generates the ions is induced.
- the needle tip of the induction electrode 1 and the discharge electrode 2 face each other across the air space. To do.
- the needle-like tip position of the discharge electrode 2 that generates positive ions and the needle-like tip of the discharge electrode 2 that generates negative ions By arranging each of the positions with a predetermined distance from each other, aligning with the center of the through hole lb of the induction electrode 1, and within the thickness T1 of the through hole lb of the induction electrode 1 The induction electrode 1 and the needle-like tip of the discharge electrode 2 are opposed to each other with the air space in between.
- the plate-like induction electrode 1 and the needle-like discharge electrode 2 are arranged with a predetermined distance as described above, and the induction electrode 1 and the discharge electrode 2 are When a high voltage is applied between them, corona discharge occurs at the tip of the needle-like discharge electrode 2.
- corona discharge occurs at the tip of the needle-like discharge electrode 2.
- at least one of positive ions and negative ions is generated, and the ions are released from the through-hole lb provided in the induction electrode 1 to the outside of the ion generating element 10. Furthermore, by blowing the air, it becomes possible to release ions more effectively.
- positive corona discharge is generated at the tip of one discharge electrode 2 to generate positive ions
- negative corona is generated at the tip of the other discharge electrode 2.
- a discharge is generated to generate negative ions.
- the waveform to be applied is not particularly limited here, and is a high voltage such as DC, an AC waveform biased positively or negatively, or a pulse waveform biased positively or negatively. The voltage value is sufficient to generate a discharge, and a voltage region in which a predetermined ion species is generated is selected.
- the positive ion is a cluster ion in which a plurality of water molecules are attached around the hydrogen ion (H +), and is represented as H + (H 2 O) (m is an arbitrary natural number).
- Negative ions are oxygen
- the interior of the outer case 40 includes a high-voltage transformer drive circuit block 40C, a high-voltage transformer block 40 ⁇ , and an ion generator. Since the block is divided into two planes, it can be molded separately for each block. For example, while the entire secondary side of the transformer is molded in the high voltage transformer block 40 ⁇ , the ion generator high voltage circuit 5 can be molded in the ion generator block 40 ⁇ without molding the ion generating portion. . As a result, the high-pressure part of the ion generator 50 can be efficiently insulated and separated by a mold, so that the parts can be placed close to each other, and the ion generator can be made smaller and thinner. Become.
- the high-voltage transformer 20 since the high-voltage transformer 20 is not mounted on the surface of the substrate 31, it is accommodated in the high-voltage transformer block 40 ⁇ ⁇ of the outer case 40, so that the high-voltage transformer block Remove the thickness of the board 31 at the height of the outer case 40 at 40 mm (eg 1. Omm to l. 6 mm) and the height required for connection to the board 31 (eg at least 2 mm) Can do. As a result, the height of the outer case 40 in the high-voltage transformer block 40B can be reduced, and the ion generator 50 can be reduced in size.
- the high-voltage transformer block 40 remove the thickness of the board 31 at the height of the outer case 40 at 40 mm (eg 1. Omm to l. 6 mm) and the height required for connection to the board 31 (eg at least 2 mm) Can do.
- the height of the outer case 40 in the high-voltage transformer block 40B can be reduced, and the ion generator 50 can be reduced in size.
- the high-voltage transformer drive circuit block 40C has a configuration that can be molded with the high-voltage transformer drive circuit 30 disposed, the high-voltage transformer drive circuit block 40C can be molded as needed. Furthermore, the ion generator 50 can be reduced in size and thickness. Further, as shown in FIGS. 1 and 2, the outer case 40 has a wall 41 for partitioning the high-voltage transformer drive circuit block 40 C and the high-voltage transformer block 40 B, and the wall 41 is the high-voltage transformer drive circuit 30. And a high-voltage transformer 20 having a notch 41a through which a connecting portion (terminal 23 or lead wire) is electrically connected.
- the high voltage transformer drive circuit block 40C and the high voltage transformer block 40B can be partitioned planarly from this wall 41, and the high voltage transformer drive circuit 30 and the high voltage transformer 20 are electrically connected by a notch 41a provided on the wall 41. It is possible to do this.
- the induction electrode 1 is made of a solid metal plate, the thickness thereof can be reduced. As a result, a reduction in thickness can be realized.
- the thickness T1 of the wall portion of the through hole lb is set to the plate of the top plate la while the induction electrode 1 is formed of an integral metal plate. Thickness can be greater than T2.
- the thickness T1 of the peripheral portion of the through hole lb is thicker than the thickness T2 of the metal plate, even if the position of the discharge electrode 2 slightly deviates in the thickness direction of the peripheral portion, its needle-shaped tip Remains within the range of the thickness T1 of the through hole lb. For this reason, the shortest distance between induction electrode 1 and discharge electrode 2 is maintained as the distance between the needle-like tip of discharge electrode 2 and the peripheral portion of through-hole lb of induction electrode 1, and ions generated due to variations in positional relationship It is possible to reduce the variation in the amount of generation.
- both the induction electrode 1 and the discharge electrode 2 are positioned and supported by the support substrate 3, variations in the positional relationship between the induction electrode 1 and the discharge electrode 2 can be suppressed.
- each of the discharge electrode 2 and the insertion portion Id penetrates the support substrate 3 and is supported on the support substrate 3.
- the induction electrode 1 and the discharge electrode 2 are supported by the support substrate 3, and each of the end portion of the discharge electrode 2 protruding from the back side of the support substrate 3 and the insertion portion Id of the induction electrode 1 is provided. It is possible to electrically connect an electric circuit or the like.
- the induction electrode 1 can be positioned with respect to the support substrate 3 by bringing the end of the substrate support portion le into contact with the surface of the support substrate 3, the positional relationship between the induction electrode 1 and the discharge electrode 2 is improved. The noise can be further suppressed. Further, since the end portion of the substrate support portion le is merely brought into contact with the surface without penetrating the support substrate 3, it is easy to secure an insulation distance from the discharge electrode 2.
- each of the plurality of ion emission holes 44 shown in FIGS. 3 and 4 has an opening size smaller than the through hole lb. Touching can be prevented and electric shock can be prevented.
- H + (HO) (m is an arbitrary natural number) in the air and O ⁇ (HO) (n Any nature
- FIG. 18 is a perspective view schematically showing a configuration of an air cleaner using the ion generator shown in FIGS. 1 to 3.
- FIG. 19 is an exploded view of the air cleaner showing an ion generator arranged in the air cleaner shown in FIG.
- air cleaner 60 has a front panel 61 and a main body 62.
- a blow-out port 63 is provided in the upper rear part of the main body 62, and clean air containing ions is supplied from the blow-out port 63 into the room.
- An air intake 64 is formed at the center of the main body 62. The air taken in from the air intake port 64 on the front surface of the air cleaner 60 is purified by passing through a filter (not shown). The purified air is supplied to the outside through the blower outlet 63 through the fan casing 65.
- the ion generator 50 shown in Figs. 1 to 3 is attached to a part of the fan casing 65 that forms the passage of the cleaned air.
- the ion generator 50 is arranged so that ions can be discharged into the air flow from the hole 44 serving as the ion generating portion.
- positions such as a position Pl, a relatively far position 2 and the like that are in the air passage path and are relatively close to the outlet 63 can be considered. In this way, air is passed through the ion generating unit 44 of the ion generator 50, so that the air can be discharged from the outlet 63.
- the air purifier 60 can be provided with an ion generation function for supplying ions to the outside together with clean air.
- the ions generated in the ion generator 50 can be sent in an air stream by the air sending section (air passage route), so that the ions are sent outside the machine. Can be released.
- an air cleaner has been described as an example of an electric device.
- an electric device other than this is an air cleaner. It may be a harmony machine (air conditioner), a refrigeration device, a vacuum cleaner, a humidifier, a dehumidifier, an electric fan heater, or the like as long as it is an electric device having a blower for sending ions in an air stream.
- the power source (input power source) input to the ion generator 10 may be either a commercial AC power source or a DC power source.
- the input power source is a commercial AC power source, it is necessary to provide a legal distance between the components constituting the high-voltage transformer drive circuit 30 that is the primary circuit and between the printed circuit board patterns.
- parts that can withstand the power supply voltage are required, leading to an increase in size, but the circuit configuration can be simplified and the number of parts can be reduced.
- the input power supply is a DC power supply
- the distance between the components constituting the high-voltage transformer drive circuit 30 serving as the primary side circuit and the pattern of the printed circuit board is greatly relaxed compared to the case of the above-mentioned commercial AC power supply.
- it can be placed at a distance and small parts such as chip parts can be adopted as the parts themselves, high-density placement is possible, but the circuit for realizing a high-voltage drive circuit is complicated, and the number of parts is the above-mentioned commercial AC Increased compared to power supply.
- the high-voltage transformer 20 may be a deviation between the wire transformer and the piezoelectric transformer.
- the wire transformer is generally determined by the ratio of the primary wire to the secondary wire and the inductance, and usually requires several thousand turns to generate a high voltage. It becomes important.
- some piezoelectric transformers that are in practical use are small and thin. 1S In principle, a certain length is required. In addition, the output load is limited and the drive circuit is complicated.
- the present invention can be particularly advantageously applied to an ion generating element, an ion generating apparatus, and an electric device for generating at least one of positive ions and negative ions by corona discharge.
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020097002308A KR101055040B1 (ko) | 2006-07-06 | 2007-06-25 | 이온 발생 장치 및 전기 기기 |
EP07767469.5A EP2043213B1 (en) | 2006-07-06 | 2007-06-25 | Ion generating apparatus and electric apparatus |
CN2007800251205A CN101485057B (zh) | 2006-07-06 | 2007-06-25 | 离子发生装置和电气设备 |
US12/307,499 US8053741B2 (en) | 2006-07-06 | 2007-06-25 | Ion-generating device and electrical apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-186925 | 2006-07-06 | ||
JP2006186925A JP4145939B2 (ja) | 2006-07-06 | 2006-07-06 | イオン発生装置および電気機器 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008004454A1 true WO2008004454A1 (fr) | 2008-01-10 |
Family
ID=38894425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/062662 WO2008004454A1 (fr) | 2006-07-06 | 2007-06-25 | Appareil de génération d'ions et appareil électrique |
Country Status (6)
Country | Link |
---|---|
US (1) | US8053741B2 (ja) |
EP (1) | EP2043213B1 (ja) |
JP (1) | JP4145939B2 (ja) |
KR (1) | KR101055040B1 (ja) |
CN (1) | CN101485057B (ja) |
WO (1) | WO2008004454A1 (ja) |
Cited By (4)
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US9509125B2 (en) | 2008-10-14 | 2016-11-29 | Global Plasma Solutions | Ion generator device |
US9660425B1 (en) | 2015-12-30 | 2017-05-23 | Plasma Air International, Inc | Ion generator device support |
US9847623B2 (en) | 2014-12-24 | 2017-12-19 | Plasma Air International, Inc | Ion generating device enclosure |
US10998159B2 (en) * | 2019-05-10 | 2021-05-04 | Sharp Kabushiki Kaisha | Ion generator and electric apparatus |
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JP4503085B2 (ja) * | 2008-07-07 | 2010-07-14 | シャープ株式会社 | イオン発生装置および電気機器 |
JP5234762B2 (ja) * | 2008-08-22 | 2013-07-10 | シャープ株式会社 | イオン発生装置および電気機器 |
JP2010080431A (ja) * | 2008-09-26 | 2010-04-08 | Jentorei:Kk | イオン発生方法、イオン発生電極及びイオン発生モジュール |
WO2010140434A1 (ja) * | 2009-06-05 | 2010-12-09 | シャープ株式会社 | イオン発生装置および電気機器 |
JP5240788B2 (ja) * | 2009-09-14 | 2013-07-17 | シャープ株式会社 | イオン発生装置およびそれを用いた電気機器 |
JP4954318B2 (ja) * | 2010-07-30 | 2012-06-13 | シャープ株式会社 | イオン発生器及びそれを備えた空気調和機 |
JP4949507B2 (ja) * | 2010-08-20 | 2012-06-13 | シャープ株式会社 | イオン発生装置および電気機器 |
JP5192090B2 (ja) * | 2011-05-18 | 2013-05-08 | シャープ株式会社 | イオン発生装置およびそれを用いた電気機器 |
KR102076660B1 (ko) * | 2012-06-21 | 2020-02-12 | 엘지전자 주식회사 | 공기 조화기 및 그 제어방법 |
CN103368077B (zh) * | 2013-07-01 | 2014-12-10 | 海信容声(广东)冰箱有限公司 | 一种负离子器、负离子风装置及冰箱除臭装置 |
JP6334152B2 (ja) * | 2013-12-11 | 2018-05-30 | シャープ株式会社 | イオン発生装置 |
CN108136061B (zh) * | 2015-07-17 | 2020-10-16 | 女性创造者解决方案有限责任公司 | 电浆空气清净机 |
US10980911B2 (en) | 2016-01-21 | 2021-04-20 | Global Plasma Solutions, Inc. | Flexible ion generator device |
US11695259B2 (en) | 2016-08-08 | 2023-07-04 | Global Plasma Solutions, Inc. | Modular ion generator device |
US11283245B2 (en) | 2016-08-08 | 2022-03-22 | Global Plasma Solutions, Inc. | Modular ion generator device |
CN110945292B (zh) * | 2017-07-27 | 2022-05-03 | 尔森私人有限公司 | 离子产生装置 |
CN111954544A (zh) | 2018-02-12 | 2020-11-17 | 环球等离子解决方案公司 | 自清洁离子发生器装置 |
US11581709B2 (en) | 2019-06-07 | 2023-02-14 | Global Plasma Solutions, Inc. | Self-cleaning ion generator device |
JP7339035B2 (ja) * | 2019-07-09 | 2023-09-05 | シャープ株式会社 | 放電装置および電気機器 |
CN112923499A (zh) * | 2020-08-04 | 2021-06-08 | 上海朗日智能科技有限公司 | 等离子体空气消毒机 |
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US9509125B2 (en) | 2008-10-14 | 2016-11-29 | Global Plasma Solutions | Ion generator device |
US10111978B2 (en) | 2008-10-14 | 2018-10-30 | Global Plasma Solutions, Inc. | Ion generator device |
US9839714B2 (en) | 2008-10-14 | 2017-12-12 | Global Plasma Solutions, Llc | Ion generator device |
US9847623B2 (en) | 2014-12-24 | 2017-12-19 | Plasma Air International, Inc | Ion generating device enclosure |
US10297984B2 (en) | 2014-12-24 | 2019-05-21 | Plasma Air International, Inc | Ion generating device enclosure |
US10978858B2 (en) | 2014-12-24 | 2021-04-13 | Plasma Air International, Inc | Ion generating device enclosure |
US9985421B2 (en) | 2015-12-30 | 2018-05-29 | Plasma Air International, Inc | Ion generator device support |
US10014667B2 (en) | 2015-12-30 | 2018-07-03 | Plasma Air International, Inc | Ion generator device support |
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US10998159B2 (en) * | 2019-05-10 | 2021-05-04 | Sharp Kabushiki Kaisha | Ion generator and electric apparatus |
Also Published As
Publication number | Publication date |
---|---|
KR101055040B1 (ko) | 2011-08-05 |
US20090283692A1 (en) | 2009-11-19 |
JP2008016345A (ja) | 2008-01-24 |
EP2043213A4 (en) | 2012-06-06 |
JP4145939B2 (ja) | 2008-09-03 |
CN101485057B (zh) | 2012-07-18 |
US8053741B2 (en) | 2011-11-08 |
CN101485057A (zh) | 2009-07-15 |
EP2043213B1 (en) | 2015-02-18 |
EP2043213A1 (en) | 2009-04-01 |
KR20090038011A (ko) | 2009-04-17 |
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