WO2010013824A4 - Electrostatic atomizing device and air conditioner using same - Google Patents

Electrostatic atomizing device and air conditioner using same Download PDF

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Publication number
WO2010013824A4
WO2010013824A4 PCT/JP2009/063709 JP2009063709W WO2010013824A4 WO 2010013824 A4 WO2010013824 A4 WO 2010013824A4 JP 2009063709 W JP2009063709 W JP 2009063709W WO 2010013824 A4 WO2010013824 A4 WO 2010013824A4
Authority
WO
WIPO (PCT)
Prior art keywords
voltage
atomizing electrode
discharge
atomizing
power supply
Prior art date
Application number
PCT/JP2009/063709
Other languages
French (fr)
Other versions
WO2010013824A1 (en
Inventor
Yutaka Uratani
Kenji Obata
Takeshi Yano
Atsushi Isaka
Original Assignee
Panasonic Electric Works Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Electric Works Co., Ltd. filed Critical Panasonic Electric Works Co., Ltd.
Priority to US13/055,187 priority Critical patent/US20110126551A1/en
Priority to CN2009801299802A priority patent/CN102105231A/en
Priority to EP09788014A priority patent/EP2310137A1/en
Publication of WO2010013824A1 publication Critical patent/WO2010013824A1/en
Publication of WO2010013824A4 publication Critical patent/WO2010013824A4/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/053—Arrangements for supplying power, e.g. charging power
    • B05B5/0533—Electrodes specially adapted therefor; Arrangements of electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/005—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means the high voltage supplied to an electrostatic spraying apparatus being adjustable during spraying operation, e.g. for modifying spray width, droplet size
    • B05B5/006—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means the high voltage supplied to an electrostatic spraying apparatus being adjustable during spraying operation, e.g. for modifying spray width, droplet size the adjustement of high voltage is responsive to a condition, e.g. a condition of material discharged, of ambient medium or of target
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/0255—Discharge apparatus, e.g. electrostatic spray guns spraying and depositing by electrostatic forces only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/053—Arrangements for supplying power, e.g. charging power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/057—Arrangements for discharging liquids or other fluent material without using a gun or nozzle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/0075—Nozzle arrangements in gas streams

Abstract

An electrostatic atomizing (1) device includes an atomizing electrode (13) which generates charged fine water particles negatively charged in the form of mist, by generating an electric field when a high negative voltage is applied thereto in a state in which water is supplied; a water supply portion which supplies the water to the atomizing electrode; a discharge detection portion (5) which detects whether negative ion discharge, indicating discharge in which only negative ions are generated without generating the charged fine water particles, is occurring at the atomizing electrode or not; and a control portion (7) which reduces the electric field intensity of the electric field generated by the atomizing electrode when the discharge detection portion detects the occurrence of the negative ion discharge.

Claims

52AMENDED CLAIMS received by the International Bureau on 28 January 2010 (28.01.2010)
1. (amended) An electrostatic atomizing device, comprising:
an atomizing electrode which generates charged fine water particles negatively charged in the form of mist , by generating an electric field when a high negative voltage is applied thereto in a state in which water is supplied;
a water supply portion which supplies the water to the atomizing electrode;
a discharge detection portion which detects whether negative ion discharge, indicating discharge in which only negative ions are generated without generating the charged fine water particles, is occurring at the atomizing electrode or not by detecting a discharge current value of a discharge current occurring when the high negative voltage is applied to the atomizing electrode and comparing the discharge current value detected with a predetermined threshold value; and
a control portion which carries on reducing the electric field intensity of the electric field generated by the atomizing electrode until the occurrence of the negative ion discharge is no longer detected by the discharge detection portion, if the discharge detection portion detects the occurrence of the negative ion discharge.
2. The electrostatic atomizing device according to Claim 1 , further comprising a high-voltage power supply 53
circuit which applies the high negative voltage to the atomizing electrode, wherein
the control portion is configured to cause the high- voltage power supply circuit to apply the high negative voltage to the atomizing electrode,
the control portion halts the supply of the water to the atomizing electrode by the water supply portion during the period from when the high-voltage power supply circuit is caused to apply the high negative voltage to the atomizing electrode until a predetermined first time has elapsed, and
when the first time has elapsed after causing the high- voltage power supply circuit to apply the high negative voltage to the atomizing electrode, the control portion causes the discharge detection portion to detect whether the negative ion discharge is occurring or not .
3. The electrostatic atomizing device according to Claim 2, wherein, when the occurrence of the negative ion discharge is detected by the discharge detection portion, the control portion further causes the discharge detection portion to detect whether the negative ion discharge is occurring or not during the period from the detection of the occurrence of the negative ion discharge until a predetermined second time has elapsed, and
when the occurrence of the negative ion discharge is detected by the discharge detection portion during the period 54
from the time of detection of the occurrence of the negative ion discharge until the second time has elapsed, the control portion reduces the electric field intensity of the electric field generated by the atomizing electrode.
4. The electrostatic atomizing device according to Claim 1 , wherein the water supply portion is a Peltier element provided at the base of the atomizing electrode.
5. (amended) The electrostatic atomizing device according to Claim 3, wherein the second time is 1 minute.
6. The electrostatic atomizing device according to Claim 1, further comprising a high-voltage power supply circuit which applies the high negative voltage to the atomizing electrode, wherein
the control portion reduces the electric field intensity of the electric field generated by the atomizing electrode by reducing a voltage value of the high negative voltage applied to the atomizing electrode by the high-voltage power supply circuit .
7. (amended) The electrostatic atomizing device according to Claim 1 , further comprising a high-voltage power supply circuit which applies the high negative voltage to the atomizing electrode, wherein
a plurality of voltage values are set in advance as voltage values of the high negative voltage applied to the atomizing electrode by the high-voltage power supply circuit, 55
and
the control portion reduces in steps the voltage value of the high negative voltage applied to the atomizing electrode by the high-voltage power supply circuit, according to the discharge current value detected by the discharge detection portion.
8. The electrostatic atomizing device according to Claim 1 , further comprising a high-voltage power supply circuit which applies the high negative voltage to the atomizing electrode, wherein
the control portion turns OFF and then turns ON the high- voltage power supply circuit as well as reduces the voltage value of the high negative voltage applied to the atomizing electrode.
9. (amended) The electrostatic atomizing device according to Claim 1 , further comprising a high-voltage power supply circuit which applies the high negative voltage to the atomizing electrode, wherein
a plurality of voltage values are set in advance as voltage values of the high negative voltage applied to the atomizing electrode by the high-voltage power supply circuit, and the control portion repeatedly turns OFF and then turns ON the high-voltage power supply circuit as well as reduces in steps the voltage value of the high negative voltage applied to the atomizing electrode, until the occurrence of the negative ion discharge is no longer detected by the discharge detection portion.
10. The electrostatic atomizing device according to Claim 1, further comprising a high-voltage power supply circuit which applies the high negative voltage to the atomizing electrode, wherein
the control portion reduces the voltage value of the high negative voltage applied to the atomizing electrode, and when as a result the occurrence of the negative ion discharge is no longer detected by the discharge detection portion, further reduces the voltage value of the high negative voltage.
11. The electrostatic atomizing device according to Claim 6 , further comprising a storage portion which stores the voltage value of the high negative voltage obtained when the discharge detection portion no longer detects the negative ion discharge , wherein
the control portion causes the storage portion to store the voltage value of the high negative voltage obtained when the discharge detection portion no longer detects the negative ion discharge, and
the control portion sets the voltage value stored in the storage portion as a default voltage value.
12. (amended) The electrostatic atomizing device according to Claim 1 , further comprising a high-voltage power 57
supply circuit which applies the high negative voltage to the atomizing electrode, wherein
the control portion halts the supply of the water to the atomizing electrode by the water supply portion during the period from when the high-voltage power supply circuit is caused to apply the high negative voltage to the atomizing electrode until a predetermined first time has elapsed, and
when the first time has elapsed after causing the high- voltage power supply circuit to apply the high negative voltage to the atomizing electrode, the control portion causes the discharge detection portion to detect whether the negative ion discharge is occurring or not , and
when the discharge detection portion detects that the negative ion discharge is occurring when the first time has elapsed after the high-voltage power supply circuit is caused to apply the high negative voltage to the atomizing electrode,
until the occurrence of the negative ion discharge is no longer detected by the discharge detection portion,
the control portion repeats processing of judging the discharge current value detected by the discharge detection portion, and reducing the voltage value applied to the atomizing electrode as the high negative voltage by a first voltage value when a discharge current value detected is less than a predetermined threshold value , otherwise reducing the voltage value applied to the atomizing electrode as the high 58
negative voltage by a second voltage value which is different from the first voltage value when a discharge current value detected is equal to or greater than the predetermined threshold value .
13. (amended) The electrostatic atomizing device according to Claim 12, wherein the first voltage value is smaller than the second voltage value.
14. The electrostatic atomizing device according to Claim 1 , further comprising an opposing electrode provided opposing the atomizing electrode, wherein
the control portion reduces the electric field intensity of the electric field generated from the atomizing electrode toward the opposing electrode by causing the atomizing electrode and the opposing electrode to be moved apart.
15. The electrostatic atomizing device according to Claim 2, wherein the first time is a time in the range from 5 seconds to 30 seconds.
16. (amended) An air conditioner, comprising:
an electrostatic atomizing device which includes;
an atomizing electrode which generates charged fine water particles negatively charged in the form of mist, by generating an electric field when a high negative voltage is applied thereto in a state in which water is supplied;
a water supply portion which supplies the water to the 59
atomizing electrode;
a discharge detection portion which detects whether negative ion discharge, indicating discharge in which only negative ions are generated without generating the charged fine water particles, is occurring at the atomizing electrode or not by detecting a discharge current value of a discharge current occurring when the high negative voltage is applied to the atomizing electrode and comparing the discharge current value detected with a predetermined threshold value; and
a control portion which carries on reducing the electric field intensity of the electric field generated by the atomizing electrode until the occurrence of the negative ion discharge is no longer detected by the discharge detection portion, if the discharge detection portion detects the occurrence of the negative ion discharge
; and
an air conditioning portion which performs air conditioning .
PCT/JP2009/063709 2008-07-28 2009-07-27 Electrostatic atomizing device and air conditioner using same WO2010013824A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US13/055,187 US20110126551A1 (en) 2008-07-28 2009-07-27 Electrostatic atomizing device and air conditioner using same
CN2009801299802A CN102105231A (en) 2008-07-28 2009-07-27 Electrostatic atomizing device and air conditioner using same
EP09788014A EP2310137A1 (en) 2008-07-28 2009-07-27 Electrostatic atomizing device and air conditioner using same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008193944A JP5149095B2 (en) 2008-07-28 2008-07-28 Electrostatic atomizer and air conditioner using the same
JP2008-193944 2008-07-28

Publications (2)

Publication Number Publication Date
WO2010013824A1 WO2010013824A1 (en) 2010-02-04
WO2010013824A4 true WO2010013824A4 (en) 2010-05-06

Family

ID=41211850

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2009/063709 WO2010013824A1 (en) 2008-07-28 2009-07-27 Electrostatic atomizing device and air conditioner using same

Country Status (5)

Country Link
US (1) US20110126551A1 (en)
EP (1) EP2310137A1 (en)
JP (1) JP5149095B2 (en)
CN (1) CN102105231A (en)
WO (1) WO2010013824A1 (en)

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CN104037047B (en) * 2014-06-12 2016-04-20 浙江好创生物技术有限公司 A kind of method preparing molecule adduction isotope ion
JP6241745B2 (en) * 2014-07-11 2017-12-06 パナソニックＩｐマネジメント株式会社 Electrostatic atomizer and electrostatic atomizing method
CN104307024B (en) * 2014-10-10 2017-03-01 张学维 A kind of cleaning atmospheric haze device and comprise its system and the using method of system
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JP7054767B2 (en) * 2017-09-28 2022-04-15 パナソニックＩｐマネジメント株式会社 dishwasher

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Also Published As

Publication number Publication date
WO2010013824A1 (en) 2010-02-04
EP2310137A1 (en) 2011-04-20
CN102105231A (en) 2011-06-22
JP5149095B2 (en) 2013-02-20
US20110126551A1 (en) 2011-06-02
JP2010032096A (en) 2010-02-12

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