JP5771705B2 - 静電塗装装置 - Google Patents
静電塗装装置 Download PDFInfo
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- JP5771705B2 JP5771705B2 JP2013555233A JP2013555233A JP5771705B2 JP 5771705 B2 JP5771705 B2 JP 5771705B2 JP 2013555233 A JP2013555233 A JP 2013555233A JP 2013555233 A JP2013555233 A JP 2013555233A JP 5771705 B2 JP5771705 B2 JP 5771705B2
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- 238000009503 electrostatic coating Methods 0.000 title claims description 26
- 239000011248 coating agent Substances 0.000 claims description 270
- 238000000576 coating method Methods 0.000 claims description 270
- 238000001514 detection method Methods 0.000 claims description 101
- 239000003973 paint Substances 0.000 claims description 53
- 238000009413 insulation Methods 0.000 claims description 41
- 230000005856 abnormality Effects 0.000 claims description 21
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 72
- 230000001771 impaired effect Effects 0.000 description 16
- 238000007493 shaping process Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 13
- 230000002159 abnormal effect Effects 0.000 description 12
- 238000013459 approach Methods 0.000 description 11
- 230000015556 catabolic process Effects 0.000 description 10
- 239000004020 conductor Substances 0.000 description 10
- 238000010422 painting Methods 0.000 description 9
- 230000002265 prevention Effects 0.000 description 9
- 239000007921 spray Substances 0.000 description 9
- 239000007769 metal material Substances 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 7
- 238000000889 atomisation Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005686 electrostatic field Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
-
- 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
- B05B5/04—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces
- B05B5/0415—Driving means; Parts thereof, e.g. turbine, shaft, bearings
-
- 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
- B05B5/0531—Power generators
-
- 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
- B05B5/08—Plant for applying liquids or other fluent materials to objects
- B05B5/10—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
- B05B5/04—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces
- B05B5/0403—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces characterised by the rotating member
- B05B5/0407—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces characterised by the rotating member with a spraying edge, e.g. like a cup or a bell
-
- 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
- B05B5/04—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces
- B05B5/0426—Means for supplying shaping gas
Landscapes
- Electrostatic Spraying Apparatus (AREA)
- Spray Control Apparatus (AREA)
Description
3 エアモータ
5 回転霧化頭
14 高電圧発生器
15 電流検出用抵抗
17 電源電圧制御装置
18 AC/DC変換器
22 高電圧制御装置
23 電圧設定器
24 塗装機電流検出器
25 入力側分圧回路
26 出力側分圧回路
27 電流センサ(全帰路電流検出器)
31 漏洩電流検出器
IT 全帰路電流
IB 塗装機電流
IX 被塗物電流
ILa〜ILe 漏洩電流
VMi 入力側電圧検出値
VMo 出力側電圧検出値
Claims (5)
- 被塗物に塗料を噴霧する塗装機(1)と、電源電圧を昇圧して高電圧を発生し、該高電圧を前記塗装機(1)に出力する高電圧発生器(14)と、該高電圧発生器(14)に電源電圧を供給する電源電圧制御装置(17)と、該電源電圧制御装置(17)に対して電源電圧を設定するための設定信号を出力し、前記高電圧発生器(14)から出力する高電圧を制御する高電圧制御装置(22)とを備えてなる静電塗装装置において、
前記高電圧発生器(14)と前記塗装機(1)との間には電流検出用抵抗(15)を接続し、
該電流検出用抵抗(15)の両端に生じる電位差(ΔV)に基づいて、前記塗装機(1)に供給される塗装機電流(IB)を検出する塗装機電流検出器(24)を設け、
前記塗装機電流検出器(24)は、
前記電流検出用抵抗(15)の入力端に作用する電圧を分圧する入力側分圧回路(25)と、
直列接続された2つの分圧抵抗(26A,26B)を備え、前記電流検出用抵抗(15)の出力端に作用する電圧を分圧する出力側分圧回路(26)と、
前記入力側分圧回路(25)によって検出した入力側電圧検出値(VMi)と前記出力側分圧回路(26)によって検出した出力側電圧検出値(VMo)とに基づいて、前記電流検出用抵抗(15)に流れる電流(Irf)から前記出力側分圧回路(26)に流れる電流(Iro)を減算して、前記塗装機電流(IB)を演算する塗装機電流演算器とを備え、
前記塗装機電流演算器は、前記出力側電圧検出値(VMo)と、前記出力側分圧回路(26)の2つの分圧抵抗(26A,26B)のうちアース側の分圧抵抗(26B)の抵抗値(Rdo)とに基づいて、前記出力側分圧回路(26)に流れる電流(Iro)を演算し、
前記高電圧制御装置(22)は、前記塗装機電流検出器(24)によって検出した塗装機電流(IB)を用いて前記塗装機(1)が被塗物に接近したと判別したときには、前記電源電圧制御装置(17)に対して電源電圧の供給を遮断する遮断信号を出力する構成としたことを特徴とする静電塗装装置。 - 前記高電圧発生器(14)を含む高電圧印加経路内に流れる全帰路電流(IT)を検出する全帰路電流検出器(27)を備え、
前記高電圧制御装置(22)は、前記全帰路電流検出器(27)によって検出した全帰路電流(IT)の絶対値が所定の遮断しきい電流値(IT0)を超えたとき、または全帰路電流の変化量(ΔIT)が所定の遮断しきい変化量(ΔIT0)を超えたときに、前記電源電圧制御装置(17)に対して電源電圧の供給を遮断する遮断信号を出力する全帰路電流異常処理器を備える構成としてなる請求項1に記載の静電塗装装置。 - 前記高電圧制御装置(22)は、前記塗装機電流検出器(24)によって検出した塗装機電流(IB)の絶対値が所定の遮断しきい電流値(IB0)を超えたとき、または塗装機電流の変化量(ΔIB)が所定の遮断しきい変化量(ΔIB0)を超えたときに、前記電源電圧制御装置(17)に対して電源電圧の供給を遮断する遮断信号を出力する塗装機電流異常処理器を備える構成としてなる請求項1または2に記載の静電塗装装置。
- 前記被塗物を通らずに流れる漏洩電流(ILa〜ILe)を検出する漏洩電流検出器(31)をさらに備え、
前記高電圧制御装置(22)は、前記塗装機電流検出器(24)によって検出した塗装機電流(IB)から前記漏洩電流検出器(31)によって検出した漏洩電流(ILa〜ILe)を減算し、前記塗装機(1)と前記被塗物との間に流れる被塗物電流(IX)を演算する被塗物電流演算器と、
該被塗物電流演算器による被塗物電流(IX)の絶対値が所定の遮断しきい電流値(IX0)を超えたときに、前記電源電圧制御装置(17)に対して電源電圧の供給を遮断する遮断信号を出力する被塗物電流異常処理器とを備える構成としてなる請求項1ないし3のいずれかに記載の静電塗装装置。 - 前記高電圧制御装置(22)は、前記漏洩電流検出器(31)によって検出した漏洩電流(ILa〜ILe)を用いて初期段階の絶縁低下が生じたと判別したときには、前記塗装機(1)に生じている絶縁低下を報知する絶縁低下警報処理器をさらに備える構成としてなる請求項4に記載の静電塗装装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013555233A JP5771705B2 (ja) | 2012-01-25 | 2013-01-17 | 静電塗装装置 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012012941 | 2012-01-25 | ||
JP2012012941 | 2012-01-25 | ||
PCT/JP2013/050785 WO2013111664A1 (ja) | 2012-01-25 | 2013-01-17 | 静電塗装装置 |
JP2013555233A JP5771705B2 (ja) | 2012-01-25 | 2013-01-17 | 静電塗装装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2013111664A1 JPWO2013111664A1 (ja) | 2015-05-11 |
JP5771705B2 true JP5771705B2 (ja) | 2015-09-02 |
Family
ID=48873385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2013555233A Expired - Fee Related JP5771705B2 (ja) | 2012-01-25 | 2013-01-17 | 静電塗装装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9662669B2 (ja) |
EP (1) | EP2808090B1 (ja) |
JP (1) | JP5771705B2 (ja) |
KR (1) | KR101513957B1 (ja) |
CN (1) | CN103974780B (ja) |
WO (1) | WO2013111664A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013022282B3 (de) * | 2013-12-03 | 2015-03-05 | Eisenmann Ag | Mit Innenaufladung arbeitender Hochrotationszerstäuber |
CN103785573A (zh) * | 2014-01-26 | 2014-05-14 | 魏强 | 静电液体喷枪防着火装置 |
JP6100807B2 (ja) * | 2015-01-09 | 2017-03-22 | トヨタ自動車株式会社 | 静電塗装装置及びその導電性検査方法 |
WO2016189610A1 (ja) * | 2015-05-25 | 2016-12-01 | 日産自動車株式会社 | 静電塗装ガンの異常接近検出方法、静電塗装方法及び静電塗装装置 |
JP6444820B2 (ja) | 2015-07-01 | 2018-12-26 | ランズバーグ・インダストリー株式会社 | 静電塗装装置及び静電塗装機 |
DE102015215402A1 (de) * | 2015-08-12 | 2017-02-16 | Gema Switzerland Gmbh | Steuerschaltung zum Schutz gegen Funkenentladung |
CN108816542B (zh) * | 2018-06-11 | 2021-01-15 | 佛山市优正涂装科技有限公司 | 静电粉末喷枪***的区域功率自动控制方法 |
US11590519B2 (en) * | 2020-01-24 | 2023-02-28 | Carlisle Fluid Technologies, Inc. | Electrostatic atomizer |
JP2022130786A (ja) * | 2021-02-26 | 2022-09-07 | トヨタ自動車株式会社 | 静電塗装ハンドガンおよび静電塗装方法 |
JP2022130787A (ja) * | 2021-02-26 | 2022-09-07 | トヨタ自動車株式会社 | 静電塗装ハンドガン |
WO2023200749A1 (en) * | 2022-04-13 | 2023-10-19 | Nordson Corporation | Powder spray device and method of control |
CN116381352B (zh) * | 2023-06-07 | 2023-08-25 | 广州泽亨实业有限公司 | 一种喷涂挂具接地效果的自动检测校正方法及*** |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5861852A (ja) * | 1981-10-09 | 1983-04-13 | Toyota Motor Corp | 静電塗装のスパ−ク防止方法及びその装置 |
JPS638816A (ja) | 1986-06-27 | 1988-01-14 | Sharp Corp | 光方式タツチパネル駆動装置 |
DE3725172A1 (de) * | 1987-05-27 | 1989-02-09 | Behr Industrieanlagen | Verfahren und anlage zum elektrostatischen beschichten mit leitfaehigem material |
EP1655076B1 (en) | 2003-07-24 | 2009-04-01 | Ransburg Industrial Finishing KK | Electrostatic painting device |
KR100763457B1 (ko) | 2004-08-10 | 2007-10-04 | 에이비비 가부시키가이샤 | 정전 도장 장치 |
WO2009069396A1 (ja) * | 2007-11-30 | 2009-06-04 | Abb K.K. | 静電塗装装置 |
FR2941877B1 (fr) * | 2009-02-09 | 2011-04-08 | Sames Technologies | Projecteur electrostatique comportant un dispositif de detection de vitesse de rotation |
CN201493202U (zh) * | 2009-04-29 | 2010-06-02 | 四川长虹电器股份有限公司 | 一种高压静电发生装置 |
-
2013
- 2013-01-17 KR KR1020137033663A patent/KR101513957B1/ko not_active IP Right Cessation
- 2013-01-17 CN CN201380004049.8A patent/CN103974780B/zh active Active
- 2013-01-17 EP EP13740638.5A patent/EP2808090B1/en active Active
- 2013-01-17 WO PCT/JP2013/050785 patent/WO2013111664A1/ja active Application Filing
- 2013-01-17 US US14/235,941 patent/US9662669B2/en active Active
- 2013-01-17 JP JP2013555233A patent/JP5771705B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2013111664A1 (ja) | 2013-08-01 |
CN103974780A (zh) | 2014-08-06 |
US20140245951A1 (en) | 2014-09-04 |
KR101513957B1 (ko) | 2015-04-21 |
CN103974780B (zh) | 2016-06-15 |
EP2808090B1 (en) | 2019-07-24 |
EP2808090A4 (en) | 2015-11-11 |
US9662669B2 (en) | 2017-05-30 |
KR20140011407A (ko) | 2014-01-28 |
JPWO2013111664A1 (ja) | 2015-05-11 |
EP2808090A1 (en) | 2014-12-03 |
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