JP2011120978A - Electrostatic atomizer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electrostatic atomizer capable of reducing the temperature rise of a control board part of the electrostatic atomizer. <P>SOLUTION: The electrostatic atomizer is provided with, in an almost box-like body case 1 having an air inlet 3 and an air outlet 2, a blower means 4 which sends air from the air inlet 3 to the air outlet 2, an electrostatic atomizing means 7, and a control means 10. A control case 11 covering the control means 10 is provided on a front-side side surface 12 of the body case 1. The control case 11 is formed with a first control case 13 and a second control case 14. The second top surface part 14a extending to cover a first top surface part 13a of the first control case 13 as keeping a gap part 15 therebetween is provided on the top surface of the second control case 14, an opening 16 is provided in a lower part of the second control case 14, and the gap part 15 and the opening 16 communicate with a room. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an electrostatic atomizer that generates water fine particles by applying a high voltage to water.

  The configuration of this type of conventional electrostatic atomizer is as follows.

  That is, the main body case provided with the blower outlet and the suction port, and the electrostatic atomization means are provided in the air passage from the suction port to the blower outlet in the main body case. (For example, a prior document similar to this is described in Patent Document 1 below.)

JP 2005-131549 A

  The problem in the conventional example is that the temperature rise due to heat generation in the control board portion of the electrostatic atomizer is large.

  That is, in the conventional product, the discharge electrode is cooled by the cooling unit, so that moisture in the air is condensed on the tip of the discharge electrode, and a high voltage is applied to the condensed water to concentrate negative charges. As a result, water fine particles were generated. The temperature rise due to heat generation in the control board portion that generates this high voltage is large.

  Therefore, the present invention aims to reduce the temperature rise of the control board portion of the electrostatic atomizer.

  In order to achieve this object, the present invention provides a substantially box-shaped main body case having an air inlet and an air outlet, and a blower means for sending air from the air inlet to the air outlet in the main body case. There is provided an electromisting means and a control means for operating the electrostatic atomizing means and the air blowing means, and a control case covering the control means is provided on the front side surface of the main body case. The first control case is substantially box-shaped with the back side of the main body case opened, and the second control case is formed on the front side of the main body case. A second box that has a substantially box shape that is open and extends to cover the top surface of the second control case with a gap between the top surface and the first top surface portion of the first control case. The top surface is provided with an opening at the bottom of the second control case. The opening and the gap portion is configured in communication with the chamber, thereby, it is to achieve the intended purpose.

  As described above, the present invention provides a substantially box-shaped main body case having an air inlet and an air outlet, an air blowing means for blowing air from the air inlet to the air outlet, and an electrostatic atomizing means in the main body case. And a control means for operating the electrostatic atomizing means and the air blowing means, and a control case covering the control means is provided on the front side surface of the main body case. The control case is a first control case. And the second control case, wherein the first control case has a substantially box shape opened on the back side of the main body case, and the second control case has a substantially box shape opened on the front side of the main body case. The top surface of the second control case has a second top surface portion extending to cover the first top surface portion of the first control case with a gap between the top surface portion and the first control case. The lower part of the second control case includes an opening, and the gap and the Mouth has a configuration in communication with the chamber, it is capable of performing the reduction of the temperature rise of the control board portion of the electrostatic atomizer.

  That is, the top surface of the second control case includes a second top surface portion that extends to cover the first top surface portion of the first control case so as to cover the second top surface portion. An opening is provided in the lower part of the control case, and since the gap and the opening communicate with the room, the heat generated from the control means is generated by the first top surface of the first control case. And the second top case of the second control case, the air flows upward into the room from the gap between the second top case and the room air flows into the interior of the control case through the opening at the bottom of the second control case. Can be cooled.

  Based on these results, the temperature rise of the control board portion of the electrostatic atomizer can be reduced.

Schematic of the electrostatic atomizer of Embodiment 1 of the present invention The figure which shows the schematic cross section of the electrostatic atomizer of Embodiment 1 of this invention. The figure which shows the schematic cross section of the high voltage generation | occurrence | production part of Embodiment 1 of this invention. The figure which shows the schematic cross section of the electrostatic atomization means of Embodiment 1 of this invention.

  Hereinafter, the present embodiment will be described with reference to the accompanying drawings.

(Embodiment 1)
As shown in FIG. 1 to FIG. 4, the electrostatic atomizer of the present embodiment has a substantially box-shaped main body case 1 having an air outlet 2 on the upper surface and an air inlet 3 on the lower back surface. The case 1 is provided with air blowing means 4 for blowing air from the air inlet 3 to the air outlet 2.

  The air outlet 2 has a substantially horizontally long rectangular shape and is positioned at the center of the upper surface of the main body case 1, and the air inlet 3 has a substantially rectangular shape and is positioned below the rear side surface 5 of the main body case 1. I have.

  The air blowing means 4 sucks indoor air into the main body case 1 from the air inlet 3 and blows it into the room through the air outlet 2. The air atomizing means 7 is provided in the leeward air path of the air blowing means 4. Yes.

  The air blowing means 4 has a substantially scroll shape, is provided with a discharge port 8 having a substantially horizontal rectangular shape on the upper surface, and a circular suction port 9 is provided on the rear side surface 5 of the main body case 1.

  A control means 10 for operating the blowing means 4 and the electrostatic atomizing means 7 is provided, and a control case 11 covering the control means 10 is provided near the front side surface 12 which is the front side of the main body case 1.

  The electrostatic atomizing means 7 includes a discharge electrode 7a, a counter electrode 7b disposed to face the discharge electrode 7a, and a high voltage (-5 KV in this embodiment) between the counter electrode 7b and the discharge electrode 7a. The Peltier element 7c arrange | positioned as a cooling part which cools the said discharge electrode 7a, and the radiation fin 7d which thermally radiates the heat | fever of this Peltier element 7c are provided. The Peltier element 7c applies a voltage of about 0.75V to 2.8V, and in this embodiment, the discharge electrode 7a side is set to a low temperature and the radiation fin 7d side is set to a high temperature. Cooling at the discharge electrode 7a portion causes condensation fine water to be generated when dew condensation occurs.

  The air blowing means 4 sucks indoor air into the main body case 1 from the air inlet 3 and blows the air into the room from the air outlet 2 together with the charged fine particle water generated from the electrostatic atomizing means 7.

  The feature in the present embodiment is the shape of the control case 11. The control case 11 is formed of a first control case 13 and a second control case 14. The first control case 13 has a substantially box shape with the back side of the main body case 1 opened. The second control case 14 has a substantially box shape with the front side of the main body case 1 opened, and the top surface of the second control case 14 is connected to the first top surface portion 13a of the first control case 13. A second top surface portion 14 a extending so as to cover the gap portion 15 is provided, and a substantially rectangular opening 16 is provided at the lower portion of the second control case 14. The gap 15 and the opening 16 are configured to communicate with the room. The gap portion 15 includes a gap between the main body case 1 and the control case 11, and a gap between the case top surface 27 that is the top surface of the main body case 1 and the switch portion 26 located on the case top surface 27. The opening 16 communicates with the room via the gap between the main body case 1 and the control case 11 and the air inlet 3.

  That is, the top surface of the second control case 14 is provided with a second top surface portion 14a extending so as to cover the first control surface 13 with the gap 15 between the first top surface portion 13a. The opening 16 is provided in the lower part of the second control case 14, and the gap 15 and the opening 16 communicate with the room. Ascending current flows from the gap 15 between the first top surface portion 13a of the first control case 13 and the second top surface portion 14a of the second control case 14 and flows into the room, and the lower portion of the second control case 14 The interior of the control case 11 can be cooled by the inflow of indoor air from the opening 16.

  Based on these results, the control substrate portion of the electrostatic atomizer can be efficiently cooled.

  Further, the second top surface portion 14 a of the second control case 14 that is the control case 11 has a larger area than the first top surface portion 13 a of the first control case 13. Specifically, the second top surface portion 14a has a substantially rectangular flat plate shape and extends in the outer peripheral direction from the peripheral edge portion of the first top surface portion 13a.

  That is, the second top surface portion 14a of the second control case 14 has a larger area than the first top surface portion 13a of the first control case 13, and the second top surface portion 14a has a substantially rectangular flat plate shape. Since the shape extends in the outer peripheral direction from the peripheral portion of the top surface portion 13a, when water is accidentally spilled into the upper portion of the main body case 1, the entry of water into the control case 11 from the gap portion 15 is suppressed. Can do.

  Further, the first top surface portion 13 a of the first control case 13 which is the control case 11 is inclined downward from the back side of the main body case 1 in the front side direction.

  That is, when water is accidentally spilled on the top of the main body case 1 and dropped onto the first top surface portion 13a of the first control case 13, the first top surface portion 13a is moved from the back side of the main body case 1 to the front side. Since it is inclined downward in the direction, it is possible to suppress the intrusion of water from the gap 15 into the control case 11.

  Further, the control means 10 is formed from an electrostatic atomization control board portion 17 that operates the electrostatic atomization means 7 and a blower control board portion 18 that operates the blower means 4, and the electrostatic atomization control board portion 17. Is configured to be located above the air blowing control board unit 18. Specifically, the electrostatic atomization control board part 17 and the air blowing control board part 18 are opposed to the front side surface 12 of the main body case 1 in the control case 11, and electrostatic atomization control is performed on the same vertical plane. The board portion 17 is located above the air blowing control board portion 18. Here, the heat generation amount of the electrostatic atomization control board portion 17 is larger than the heat generation amount of the air blowing control board portion 18.

  That is, the electrostatic atomization control board part 17 with a large calorific value is positioned above the air blowing control board part 18, and the first top surface part 13 a of the first control case 13 and the second control case 14 of the second control case 14. Since it is close to the gap 15 between the second top surface portion 14a, the influence of heat generation on the blower control board 18 can be suppressed, and the air can be efficiently discharged from the gap 15 into the room. That is, since the temperature rise of the ventilation control board part 18 by the electrostatic atomization control board part 17 can be suppressed, deterioration by the heat | fever of the ventilation control board part 18 can be reduced.

  Further, the gap 15 and the opening 16 of the control case 11 are configured to be positioned on the component side of the electrostatic atomization control board part 17 and the air blowing control board part 18. Specifically, the electrostatic atomization control board part 17 is formed of an electrostatic atomization control board 17a and an electrostatic atomization control part 17b, and the electrostatic atomization control part 17b is an electrostatic atomization control part. The substrate 17 a is located on the front side of the main body case 1, that is, between the electrostatic atomization control substrate 17 a and the first control case 13. Similarly, the ventilation control board part 18 is formed from the ventilation control board 18a and the ventilation control part 18b, and this ventilation control part 18b is the front side of the main body case 1 of the ventilation control board 18a, that is, the ventilation control board 18a. It is located between the first control case 13. Here, the gap 15 and the opening 16 of the control case 11 are located between the electrostatic atomization control board 17 a and the air blowing control board 18 a and the first control case 13.

  That is, since the gap 15 and the opening 16 of the control case 11 are located between the electrostatic atomization control board 17a and the air blowing control board 18a and the first control case 13, the gap 15 and the opening 16 The electrostatic atomization control component 17b and the air blowing control component 18b are positioned on a substantially straight line connecting the two. As a result, the electrostatic atomization control component 17b and the air blow control component 18b can be efficiently cooled by the air flowing from the opening 16 to the gap 15.

  In addition, the electrostatic atomization control board unit 17 includes a high voltage generation part 19 that is a high voltage application part, and a heat dissipation cover 20 is provided so as to cover the high voltage generation part 19. The heat radiating cover 20 includes a heat radiating cover upper surface portion 20a that covers the high voltage generating upper surface portion 19a that is the upper surface side of the high voltage generating portion 19 in the main body case 1, and a high voltage that is on the front surface side of the high voltage generating portion 19 in the main body case 1. A heat radiation cover front side surface portion 20b covering the voltage generation front side surface portion 19b and a heat radiation cover lower surface portion 20c covering the high voltage generation lower surface portion 19c which is the lower surface side of the main body case 1 of the high voltage generation portion 19 are formed. The radiating cover upper surface portion 20 a includes a gap 21 between the high voltage generating portion 19 and the high voltage generating upper surface portion 19 a, and the radiating cover front side surface portion 20 b is connected to the high voltage generating front side surface portion 19 b of the high voltage generating portion 19. The heat radiation cover lower surface portion 20 c is in contact with the high voltage generation lower surface portion 19 c of the high voltage generation portion 19. An example of the high voltage generating portion 19 is a high voltage transformer.

  That is, the upper surface portion 20a of the heat dissipation cover is provided with a gap 21 between the upper surface portion 19a of the high voltage generating portion 19 and the front side surface portion 20b of the heat dissipation cover 19 is the front surface side surface portion of the high voltage generating portion 19. 19b is provided with a gap 22, and the heat-dissipating cover lower surface portion 20c is in contact with the high-voltage generating lower surface portion 19c of the high-voltage generating portion 19, so that the high-voltage generating portion 19 is separated from the high-voltage generating lower surface portion 19c. Part of the heat generation is conducted from the heat radiation cover lower surface portion 20c to the heat radiation cover front side surface portion 20b and the heat radiation cover upper surface portion 20a. That is, a part of the heat generated from the high voltage generation lower surface portion 19c of the high voltage generation portion 19 is radiated from the heat dissipation cover 20 larger than the area of the high voltage generation lower surface portion 19c, so that heat can be radiated efficiently. As a result, the temperature rise of the high voltage generating portion 19 can be suppressed.

  The heat dissipation cover is made of metal. Thereby, a part of heat generated from the high voltage generation lower surface portion 19c of the high voltage generation portion 19 is efficiently conducted from the heat radiation cover lower surface portion 20c to the heat radiation cover front side surface portion 20b and the heat radiation cover upper surface portion 20a. That is, a part of the heat generated from the high voltage generation lower surface portion 19c of the high voltage generation portion 19 is radiated from the heat dissipation cover 20 larger than the area of the high voltage generation lower surface portion 19c, so that heat can be radiated efficiently. As a result, the temperature rise of the high voltage generating portion 19 can be suppressed.

  The second control case 14 includes a heat conducting member 24 extending from the second front side surface portion 23 which is the front side surface side of the main body case 1 to the heat radiating cover 20. Specifically, the heat conducting member 24 has a substantially rectangular flat plate shape and extends from the second front side surface portion 23 of the second control case 14 which is the control case 11 to the vicinity of the heat dissipation cover 20.

  As a result, part of the heat generated from the high voltage generating portion 19 is transmitted to the second front side surface portion 23 of the second control case 14 via the heat conducting member 24, so that the second control case 14 2 can dissipate heat from the front side surface portion 23. As a result, the temperature rise of the high voltage generating portion 19 can be suppressed.

  Further, the heat conducting member 24 of the second control case 14 is configured to be in contact with the heat radiation cover lower surface portion 20 c of the heat radiation cover 20. Specifically, the heat conducting member 24 has a substantially square plate shape and extends from the second front side surface portion 23 of the second control case 14 which is the control case 11 to the lower portion of the heat radiation cover lower surface portion 20c of the heat radiation cover 20. The heat-dissipating cover lower surface portion 20c is in contact with the heat-dissipating cover.

  As a result, part of the heat generated from the high voltage generating portion 19 is transmitted to the second front side surface portion 23 of the second control case 14 via the heat radiating cover lower surface portion 20c and the heat conducting member 24. The heat can be radiated from the second front side surface portion 23 of the control case 14. As a result, the temperature rise of the high voltage generating portion 19 can be suppressed.

  The second control case 14 has a gap 25 on the front side surface of the main body case 1 with the main body case 1. Specifically, a gap 25 is provided between the front side surface 12, which is the front side surface side of the main body case 1, and the second control case 14, and the gap 25 communicates with the room.

  As a result, part of the heat generated from the high voltage generating portion 19 is transmitted to the second front side surface portion 23 of the second control case 14 via the heat radiating cover lower surface portion 20c and the heat conducting member 24. Since heat can be radiated from the front side surface portion 23 of the second control case 14 via the gap 25, heat can be efficiently radiated from the second front side surface portion 23 of the second control case 14. As a result, the temperature rise of the high voltage generating portion 19 can be suppressed.

  As described above, the present invention provides a substantially box-shaped main body case having an air inlet and an air outlet, an air blowing means for blowing air from the air inlet to the air outlet, and an electrostatic atomizing means in the main body case. And a control means for operating the electrostatic atomizing means and the air blowing means, and a control case covering the control means is provided on the front side surface of the main body case. The control case is a first control case. And the second control case, wherein the first control case has a substantially box shape opened on the back side of the main body case, and the second control case has a substantially box shape opened on the front side of the main body case. The top surface of the second control case has a second top surface portion extending to cover the first top surface portion of the first control case with a gap between the top surface portion and the first control case. The lower part of the second control case includes an opening, and the gap and the Mouth has a configuration in communication with the chamber, it is capable of performing the reduction of the temperature rise of the control board portion of the electrostatic atomizer.

  That is, the top surface of the second control case includes a second top surface portion that extends to cover the first top surface portion of the first control case so as to cover the second top surface portion. An opening is provided in the lower part of the control case, and since the gap and the opening communicate with the room, the heat generated from the control means is generated by the first top surface of the first control case. And the second top case of the second control case, the air flows upward into the room from the gap between the second top case and the room air flows into the interior of the control case through the opening at the bottom of the second control case. Can be cooled.

  Based on these results, the temperature rise of the control board portion of the electrostatic atomizer can be reduced.

  Therefore, it is expected to be utilized as an electrostatic atomizer for home use or office use.

DESCRIPTION OF SYMBOLS 1 Main body case 2 Air outlet 3 Air inlet 4 Air blowing means 5 Back side surface 6 Filter 7 Electrostatic atomization means 7a Discharge electrode 7b Counter electrode 7c Peltier element 7d Radiation fin 8 Discharge port 9 Suction port 10 Control means 11 Control case 12 Front surface Side surface 13 1st control case 13a 1st top surface part 14 2nd control case 14a 2nd top surface part 15 Crevice part 16 Opening part 17 Electrostatic atomization control board part 17a Electrostatic atomization control board 17b Electrostatic Atomization control part 18 Blower control board part 18a Blower control board 18b Blower control part 19 High voltage generation part 19a High voltage generation upper part 19b High voltage generation front side part 19c High voltage generation lower part 20 Heat radiation cover 20a Heat radiation cover upper part 20b Radiation cover front side surface portion 20c Radiation cover lower surface portion 21 Gap 22 Gap 23 Second front side surface portion 24 Thermal conduction member 25 Clearance 26 Switch part 27 Case top

Claims (10)

A substantially box-shaped main body case having an air inlet and an air outlet, an air blowing means for blowing air from the air inlet to the air outlet, an electrostatic atomizing means, and the electrostatic atomizing means in the main body case And a control means for operating the air blowing means, and a control case covering the control means is provided on the front side surface of the main body case, and the control case includes a first control case and a second control case. The first control case is substantially box-shaped with an opening on the back side of the main body case, and the second control case is substantially box-shaped with an opening on the front side of the main body case. On the top surface of the control case, a second top surface portion that extends so as to cover the first top surface portion of the first control case with a gap is provided below the second control case. Has an opening, and the gap and the opening communicate with the room. Configuration and is electrostatically atomizing device. 2. The electrostatic atomizer according to claim 1, wherein the second top surface portion of the second control case which is a control case has a larger area than the first top surface portion of the first control case. 3. . 3. The electrostatic according to claim 1, wherein the first top surface portion of the first control case which is a control case is configured to be inclined downward in the front side direction from the back side of the main body case. Atomization device. The control means is formed from an electrostatic atomization control board part for operating the electrostatic atomization means and a ventilation control board part for operating the air blowing means, and the electrostatic atomization control board part is configured to control the air flow control. The electrostatic atomizer according to any one of claims 1 to 3, wherein the electrostatic atomizer is configured to be located above the substrate portion. The electrostatic atomization according to any one of claims 1 to 4, wherein the gap and the opening of the control case are configured to be located on a component side of the electrostatic atomization control board part and the blower control board part. apparatus. The electrostatic atomization control board portion includes a high voltage generating portion, and a heat radiating cover is provided to cover the high voltage generating portion, and the heat radiating cover is a high side on the upper surface side of the main body case of the high voltage generating portion. Covering the upper surface portion of the heat dissipation cover that covers the upper surface portion of the voltage generation, the front side surface portion of the heat dissipation cover that covers the front side surface of the high voltage generation that is the front surface side of the main body case, and the lower surface portion of the high voltage generation that is the lower surface side of the main body case. A heat radiation cover lower surface portion, the heat radiation cover upper surface portion is provided with a gap between the high voltage generation portion and the high voltage generation upper surface portion, and the heat radiation cover front side surface portion is formed of the high voltage generation portion. 6. The structure according to claim 1, wherein a gap is provided between the high voltage generation front side surface portion, and the heat radiation cover lower surface portion is in contact with the high voltage generation lower surface portion of the high voltage generation portion. Atomizing apparatus. The electrostatic atomizer according to claim 6, wherein the heat dissipation cover is made of metal. The electrostatic atomizer according to claim 6, further comprising a heat conducting member extending from a second front side surface portion that is a front side surface side of the main body case of the second control case to the heat radiating cover. . The electrostatic atomizer according to claim 8, wherein the heat conducting member of the second control case is in contact with the lower surface portion of the heat dissipation cover of the heat dissipation cover. The electrostatic atomizer according to claim 1, wherein the second control case has a gap with the main body case on a front side surface side of the main body case.

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