WO2012169216A1 - Ventilateur avec fonction de génération d'ions - Google Patents

Ventilateur avec fonction de génération d'ions Download PDF

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Publication number
WO2012169216A1
WO2012169216A1 PCT/JP2012/051823 JP2012051823W WO2012169216A1 WO 2012169216 A1 WO2012169216 A1 WO 2012169216A1 JP 2012051823 W JP2012051823 W JP 2012051823W WO 2012169216 A1 WO2012169216 A1 WO 2012169216A1
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WO
WIPO (PCT)
Prior art keywords
fan
motor
ion
ion generator
blower
Prior art date
Application number
PCT/JP2012/051823
Other languages
English (en)
Japanese (ja)
Inventor
真史 西野
Original Assignee
シャープ株式会社
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 シャープ株式会社 filed Critical シャープ株式会社
Publication of WO2012169216A1 publication Critical patent/WO2012169216A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/003—Ventilation in combination with air cleaning
    • 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 a blower configured to be able to dissipate ions.
  • Patent Document 1 discloses a configuration in which a negative ion generation unit that generates negative ions is simply attached to a blower device body.
  • a negative ion generating unit is provided in front of or behind the blower blades of a fan that is a blower device that is easy to carry.
  • a cool breeze can be easily obtained, and a beneficial physiological effect such as refresh can be simultaneously obtained by negative ions.
  • the negative ion generation unit generates negative ions by discharging the discharge electrode by applying a negative high voltage. For this reason, when a negative ion generating unit is attached to the outside of the electric fan, there is a possibility of being touched by an infant or the like.
  • the present invention has been made in view of such circumstances, and provides a blower configured to dissipate ions while ensuring safety without adversely affecting the blowing function. Objective.
  • the present invention comprises a motor, a fan connected to the output shaft of the motor and driven to rotate by the motor, and an ion generator that generates ions by discharging in the air,
  • the ion generator is housed in a housing portion that is formed integrally with a member constituting the handle.
  • a fan guard may be provided for the purpose of surrounding the fan and protecting it.
  • the ion generator is housed inside a cabinet made of resin or the like, and the cabinet is raised to provide an integrated handle in appearance.
  • the ion generator to which a high voltage is applied is provided inside the cabinet raised to constitute the handle, so that it is possible to prevent the user from touching and to ensure safety. Can do.
  • the present invention is a blower with an ion generation function comprising a motor, a fan connected to an output shaft of the motor and driven to rotate by the motor, and an ion generator that generates ions by discharging in the air.
  • the ion generator is housed in a housing formed integrally with a member that houses the motor.
  • the ion generator is housed inside a resin cabinet that surrounds and protects the motor. Therefore, since the ion generator to which a high voltage is applied is provided inside the cabinet that houses the motor, it is possible to prevent a user or the like from touching and to ensure safety.
  • the ion generator is provided with an opening for circulating air in the cabinet for storing the ion generator and securing a safe distance.
  • the air blowing function is hardly adversely affected, and at the same time, the user or the like can be prevented from touching the high voltage portion, and safety can be secured.
  • the position of the discharge electrode of the ion generator is set to half the distance in the radial direction of the fan (substantially intermediate portion).
  • bacteria floating in the air can be sterilized, and viruses such as influenza virus can be killed or inactivated.
  • ions can be efficiently released while ensuring safety. Further, ions can be diffused with almost no adverse effect on the air blowing function.
  • FIGS. 1 and 2 are a schematic external view and a schematic exploded view of a fan 10 according to an embodiment.
  • the base 1 is placed on a floor surface or the like, and an operation panel (not shown) for providing various operation keys and the like for a user to operate in an arbitrary state is provided on the upper surface.
  • the base 1 has a column 2 upright.
  • a driving unit 3 including a motor 31 and the like is attached to the upper end portion of the column 2.
  • the drive unit 3 includes a main body of a motor 31 whose appearance is substantially cylindrical, and an output shaft 32 protruding from one side of the main body of the motor 31.
  • a male screw portion 33 is provided at the distal end portion of the output shaft 32.
  • a fan boss stop pin 34 for locking the fan 4 described later is attached to the output shaft 32 at a position separated from the tip by an appropriate length so as to be orthogonal to the axial length direction.
  • the fan 4 that rotates integrally with the rotation of the output shaft 32 is fixedly attached to the output shaft 32 of the motor 31 by the fan boss stop pin 32.
  • the fan 4 attached to the output shaft 32 is a propeller fan and includes a boss portion 42 and blades 41.
  • the boss portion 42 is formed in a cylindrical shape and is fitted on the output shaft 32 of the motor 31.
  • a plurality of blades 41 are provided on the boss portion 42 at equal intervals in the circumferential direction.
  • the fan nut 5 as a cylindrical fixing member is screwed into the male screw portion 33 in a state where the boss portion 42 is externally fitted to the output shaft 32 of the motor 31. Thereby, the fan 4 is fixed to the output shaft 32.
  • the boss portion 42 is prevented from rotating by the fan boss stop pin 34 so as not to rotate relative to the output shaft 32. That is, the boss portion 42 is formed with a recess into which the fan boss stop pin 34 is fitted.
  • the fan boss stop pin 34 prevents the fan 4 itself from moving toward the motor 31 in the axial direction of the output shaft 32.
  • the fan 4 attached in this way is provided with a fan guard 7 that surrounds and protects the fan 4.
  • the fan guard 7 includes a fan guard front body 71 and a fan guard rear body 72.
  • the fan guard front body 71 covers the fan 4 from the front side.
  • the fan guard rear body 72 covers the fan 4 from the rear side and engages with the fan guard front body 71.
  • the drive unit 3 is covered with a resin rear cabinet 30 and a resin front cabinet 6 fitted into the rear cabinet 30 to house the main body of the motor 31.
  • the fan guard rear body 72 is sandwiched between the front cabinet 6 and the fixing ring 8 screwed with the male screw portion 66 formed in the front cabinet 6. Thereby, the fan guard 7 is fixed.
  • the front cabinet 6 not only fits with the rear cabinet 30 to house the motor main body 31 but also extends upward to form a handle 60 described later.
  • the main body of the motor 31 is screwed to the front cabinet 6, and a rear cabinet 30 covering the rear portion of the motor 31 is detachably fitted. After being fitted, the cabinet 30 is screwed to the front cabinet 6. Therefore, the rear cabinet 30 fitted to the front cabinet is removed by removing the screw, and the main body portion of the motor 31 is exposed.
  • the resin rear cabinet 30 forms an ion generation chamber 39 to be described later by a raised wall body 30a extending upward.
  • the rear cabinet 30 extends further upward from the upper portion of the wall body 30 a constituting the ion generation chamber 39.
  • the front cabinet 6 extends upward from the ion generation chamber 39 in the same manner as the rear cabinet 30. *
  • the front cabinet 6 and the rear cabinet 30 form a handle 60 by forming a space between the upper surface (top) of the ion generation chamber 39 and the stretched portion.
  • the handle 60 has a two-layer structure formed with the front cabinet 6 as an upper surface and the rear cabinet 30 fitted into the lower surface.
  • FIG. 3 is a schematic partial cross-sectional view of the upper portion of the electric fan 10.
  • the ion generation chamber 39 is provided with a suction port 39 a and a blowout port 39 b for allowing the air to flow through the ion generation chamber 39 by the fan 4.
  • the suction port 39a is a lattice-shaped opening having a plurality of horizontally long openings
  • the air outlet 39b is an opening having a honeycomb-shaped opening.
  • the opening part of the suction inlet 39a or the blower outlet 39b is not restricted to what was demonstrated, The thing of a known structure is applicable.
  • a partition 30b is integrally formed in the rear cabinet 30 so as to partition (partition) the ion generation chamber 39 and the motor 31, for example. Even if foreign matter enters from the suction port 39a and the air outlet 39b by the partition portion 30b, the foreign matter is prevented from reaching the motor 31 directly.
  • the extended portion of the rear cabinet 30 constituting the handle 60 forms an ion generation chamber 39 and accommodates the ion generator 9.
  • the opposite surface of the ion generation surface is fixed to the inner surface (lower surface) of the top of the wall body 30 a forming the ion generation chamber 39 so that the ion generation surface faces the motor 31 side.
  • FIG. 4 is a schematic external perspective view of the ion generator 9.
  • the ion generator 9 is provided with a plurality of discharge holes for discharging the generated ions.
  • the ion generator 9 shown in FIG. 4 shows an example of the ion generator 9 having a so-called needle electrode type electrode structure.
  • the ion generator 9 includes a booster circuit 90a and an ion generating element 90b.
  • the booster circuit 90a boosts the applied voltage between the terminal T1 and the terminal T2 to which a commercial AC voltage of 100V is supplied.
  • the ion generating element 90b is applied with the voltage boosted by the boosting circuit 90a to generate ions.
  • the ion generating element 90b includes discharge electrodes 91a and 92a and induction electrodes 91b and 92b.
  • the induction electrodes 91 b and 92 b are formed by plate electrodes arranged in a ring shape along an emission hole opened on one surface of the ion generator 9.
  • the discharge electrodes 91a and 92a are formed by needle electrodes concentric with the induction electrodes 91b and 92b.
  • the ion generator 9 is configured to apply and discharge a high voltage boosted by a booster circuit 90a (see FIG. 4) between the discharge electrodes 91a and 92a and the induction electrodes 91b and 92b.
  • the ion generating element 90b ionizes moisture in the air by discharge, thereby generating H + (H 2 O) m (m is an arbitrary natural number) as positive ions and O 2 ⁇ (H 2 O) as negative ions. n (n is an arbitrary natural number). If both ions are delivered into the air, they will attach to the surface of airborne bacteria and viruses. These chemical reactions generate hydrogen peroxide (H 2 O 2 ) and / or hydroxyl radicals (.OH), which are active species, to sterilize or inactivate airborne bacteria and airborne viruses. can do.
  • H 2 O 2 hydrogen peroxide
  • .OH hydroxyl radicals
  • the ion generator 9 is attached to an attachment portion (not shown) protruding inward from the front cabinet 6 in the ion generation chamber 39 with the ion emission hole facing downward.
  • an attachment portion (not shown) protruding inward from the front cabinet 6 in the ion generation chamber 39 with the ion emission hole facing downward.
  • this distance is set to 30 mm or more in consideration of the safety distance required for the high-voltage equipment.
  • the wall 30a of the rear cabinet 30 extends toward the fan 4 as it goes upward, and the suction port 39a is provided below the ion generator 9.
  • the uppermost opening part of the suction inlet 39a and the uppermost opening part of the blower outlet 39b are in the nearest positions where they can come into contact with the discharge electrodes 91a and 92a from the outside. Therefore, the distance between the uppermost opening of the suction port 39a and the discharge electrodes 91a and 92a and the distance between the uppermost opening of the outlet 39b and the discharge electrodes 91a and 92a are set to 30 mm or more.
  • This distance is preferably as large as possible for safety, but if it is unnecessarily large, the front cabinet 6 and the rear cabinet 30 will be enlarged, and the fan 10 itself will become enlarged and difficult to handle. For this reason, it is preferable that the front cabinet 6 and the rear cabinet 30 are determined so as not to be too large based on the safety standards of industrial associations in each country.
  • the resin wall 30a and the front cabinet 6 cover portions other than the suction port 39a and the air outlet 39b, there is no safety problem.
  • ions generated by the ion generator 9 may be absorbed by a metal portion constituting the motor 31 disposed below the ion generator 9.
  • the ion generation chamber 39 and the motor 31 are partitioned by the partition portion 30b, so that ion absorption can be prevented.
  • FIG. 6 shows a control block of the electric fan 10.
  • a control device 50 for controlling each part is installed on the base 1.
  • An operation switch 52, an operation mode switch 53, an air volume switch 54, a timer switch 55, a motor 31, an ion generator 9, a display unit 56, and a notification unit 57 are connected to the control device 50.
  • the control device is provided with a timer unit 51 that performs timing.
  • the operation switch 52 turns on / off the power to the equipment.
  • the operation mode changeover switch 53 selects whether or not the ion generator 9 is to be operated.
  • the air volume switch 54 selects the air volume.
  • the timer switch 55 selects timer operation.
  • the display unit 56 displays the result of each operation.
  • the notification unit 57 notifies the user of the operation result.
  • the electric fan 10 configured as described above, when the operation switch 52 is turned on, electric power is supplied to the motor 31, the motor 31 rotates, and the output shaft 32 of the motor 31 rotates integrally. As the output shaft 32 rotates, the fan 4 fixed to the output shaft 32 by the fan nut 5 rotates integrally. Along with the rotation of the fan 4, an air flow path that flows from the fan guard rear body 72 toward the fan guard front body 71 is generated.
  • the operation of the ion generator 9 is selected by the operation mode changeover switch 53, power is also supplied to the ion generator 9, and positive ions and negative ions are generated.
  • the generated positive ions and negative ions are discharged to the outside from the discharge hole of the ion generator 9, and are diffused indoors through the fan guard front body 71 by the air generated by the rotation of the fan 4.
  • This embodiment is an electric fan, and a so-called propeller fan is adopted for the blade 4 of the electric fan 10.
  • the propeller fan generates a spiral air flow around the rotation axis of the fan corresponding to the number of wings constituting the fan, and the spiral air flow rotates while diffusing toward the outside of the shaft as it travels downstream. It has the property of being sent out.
  • the airflow sucked from the suction port 39a of the ion generation chamber 39 flows so as to wrap around the ion discharge hole of the ion generator 9, and flows almost in parallel with the partition portion 30b of the rear cabinet 30.
  • produces with the ion generator 9 flows out from the blower outlet 39b, is drawn in by the fan 4, and is sent ahead.
  • the airflow A in the portion near the rotation axis of the fan 4 travels substantially straight and reaches the front, whereas the airflow B in the portion far from the rotation axis does not travel straight and diffuses into the room. To do.
  • the positions of the discharge electrodes 91 a and 92 a of the ion generator 9 are half the intermediate length of the radial length of the blade 41 of the fan 4. I made it. Thereby, the amount of ions that should be directly delivered to the user and ions that diffuse widely in the room and improve the indoor environment can be adjusted in a favorable balance.
  • the positions of the discharge electrodes 91a and 92a of the ion generator 9 are set to half the radius (1/2) of the blade 41, the positions may be close to this, and the same effect can be obtained even if they are slightly deviated before and after. Play. If the deviation range is about 5%, a sufficient effect can be expected.
  • the human body can be protected from viruses and pathogens by killing or inactivating viruses and pathogens such as influenza virus floating in the air by positive ions and negative ions.
  • the ion generator generates positive ions and negative ions.
  • a negative ion generator may be used. In this case, it is conventionally said that an effect of refreshing the mood can be obtained.
  • the electric fan 10 having the ion generation function of the present embodiment is formed so that the upper part of the rear cabinet 30 for housing the drive unit 3 including the motor 31 is raised (stretched) upward.
  • an ion generation chamber 39 (housing portion) in which the ion generator 9 is housed is provided in the raised portion.
  • an ion generation chamber 39 (accommodating portion) for installing the ion generator 9 is provided in the rear cabinet 30 for forming the handle 60.
  • the ion generator 9 can be disposed in the formed ion generation chamber 39. Therefore, since the ion generator 9 is provided in the ion generation chamber 39, it can avoid that a user touches as much as possible, and can ensure safety simultaneously. Further, the cabinet (6, 30) for housing the motor 31 is raised and extended upward, and the handle 60 is provided by using the raised portion, so that the ion generation chamber 39 can be formed and at the same time portable. Can be formed together. Therefore, the area secured by the main body of the electric fan 10 can be effectively used, and the appearance of the electric fan 10 can be maintained without increasing its size.
  • the ion generation position of the ion generator 9 can be easily arranged at a position approximately half the radius of the blade 41 of the fan 4 that is rotated by the motor 31.
  • the ion generation position can be easily adjusted to the target position by appropriately setting the degree of bulging of the cabinet without providing a special member or the like for disposing the ion generation position in the middle portion of the blade 41 radius. it can.
  • the ion generation chamber 39 is formed by raising the cabinet that houses the motor 31, the ion generator 9 can be disposed on the windward side of the fan 4. At this time, if the inlet 39a and the outlet 39b are formed in the ion generation chamber 39, ions generated on the windward can be efficiently dissipated forward via the fan 4, and a special configuration for dissipating the ions is generated. Is no longer required.
  • the electric fan 10 can be provided with a storage portion for the ion generator 9 that applies a high voltage with a simple configuration. Moreover, since the storage part of the ion generator 9 was integrally formed in the outer shell part which the electric fan 10 originally has, while being able to handle a user safely, it suppresses that an ion generation part enlarges and it is an external appearance. The top can also be beautiful.
  • a blower having an ion generation function has been described taking a fan as an example, but it can also be applied to a circulator for circulating indoor air, a ventilation fan, and the like.
  • a ventilation fan when taking in outdoor air indoors, an ion generator can be operated and diffused indoors.
  • the present invention can be applied not only to a fan placed on an indoor floor (tatami mat) but also to a wall (pillar) hanging fan and a ceiling fan.

Abstract

L'invention concerne un ventilateur (10) doté d'une fonction de génération d'ions, pouvant être transporté en saisissant une poignée (60) et muni d'un moteur (31), d'un impulseur (4) couplé à un arbre (32) de sortie du moteur (31) et entraîné en rotation par le moteur (31), et d'un générateur (9) d'ions qui réalise une décharge dans l'air et génère des ions, le générateur (9) d'ions étant logé dans un boîtier (39) formé d'un seul tenant avec des éléments (6, 30) constituant la poignée (60).
PCT/JP2012/051823 2011-06-09 2012-01-27 Ventilateur avec fonction de génération d'ions WO2012169216A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011129133A JP2012255389A (ja) 2011-06-09 2011-06-09 送風機
JP2011-129133 2011-06-09

Publications (1)

Publication Number Publication Date
WO2012169216A1 true WO2012169216A1 (fr) 2012-12-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/051823 WO2012169216A1 (fr) 2011-06-09 2012-01-27 Ventilateur avec fonction de génération d'ions

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JP (1) JP2012255389A (fr)
CN (1) CN202483918U (fr)
WO (1) WO2012169216A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150108363A1 (en) * 2012-04-09 2015-04-23 Sharp Kabushiki Kaisha Air blowing device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6072579B2 (ja) * 2013-03-19 2017-02-01 シャープ株式会社 送風装置
JP6188980B1 (ja) * 2017-02-27 2017-08-30 株式会社Ｃｍｃ 空気清浄機および扇風機として機能する装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4971256U (fr) * 1972-09-29 1974-06-20
JPS63132898U (fr) * 1987-02-20 1988-08-30
JP2003301790A (ja) * 2002-04-10 2003-10-24 Hitachi Taga Technol Co Ltd 負イオン発生器付き扇風機
JP2005240556A (ja) * 2004-01-29 2005-09-08 Doshisha Co Ltd イオン発生扇風機
JP2009036211A (ja) * 2008-11-14 2009-02-19 Toshiba Home Technology Corp 送風装置
JP2009127461A (ja) * 2007-11-21 2009-06-11 Panasonic Electric Works Co Ltd 扇風機

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4971256U (fr) * 1972-09-29 1974-06-20
JPS63132898U (fr) * 1987-02-20 1988-08-30
JP2003301790A (ja) * 2002-04-10 2003-10-24 Hitachi Taga Technol Co Ltd 負イオン発生器付き扇風機
JP2005240556A (ja) * 2004-01-29 2005-09-08 Doshisha Co Ltd イオン発生扇風機
JP2009127461A (ja) * 2007-11-21 2009-06-11 Panasonic Electric Works Co Ltd 扇風機
JP2009036211A (ja) * 2008-11-14 2009-02-19 Toshiba Home Technology Corp 送風装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150108363A1 (en) * 2012-04-09 2015-04-23 Sharp Kabushiki Kaisha Air blowing device
US9115906B2 (en) * 2012-04-09 2015-08-25 Sharp Kabushiki Kaisha Air blowing device

Also Published As

Publication number Publication date
JP2012255389A (ja) 2012-12-27
CN202483918U (zh) 2012-10-10

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