EP1245291A2 - Valve pour installation de revêtement électrostatique - Google Patents

Valve pour installation de revêtement électrostatique Download PDF

Info

Publication number: EP1245291A2
Authority: EP; European Patent Office
Prior art keywords: valve; unit according; valve unit; signal; sensor
Prior art date: 2001-03-29
Legal status (The legal status 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 status listed.): Granted

Application number

EP02006090A

Other languages

German (de)

English (en)

Other versions

EP1245291B1 (fr

EP1245291A3 (fr

Inventor

Hans-Jürgen Dr. Nolte

Harry Krumma

Frank Herre

Michael Baumann

Stefano Giuliano

Siegfried Poppe

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Duerr Systems AG

Original Assignee

Duerr Systems AG

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.)

2001-03-29

Filing date

2002-03-18

Publication date

2002-10-02

2001-03-29 Priority claimed from DE10115472A external-priority patent/DE10115472A1/de

2002-03-18 Application filed by Duerr Systems AG filed Critical Duerr Systems AG

2002-10-02 Publication of EP1245291A2 publication Critical patent/EP1245291A2/fr

2005-01-26 Publication of EP1245291A3 publication Critical patent/EP1245291A3/fr

2006-10-18 Application granted granted Critical

2006-10-18 Publication of EP1245291B1 publication Critical patent/EP1245291B1/fr

2022-03-18 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000009503 electrostatic coating Methods 0.000 title 1
238000009434 installation Methods 0.000 title 1
230000005693 optoelectronics Effects 0.000 claims abstract description 7
239000013307 optical fiber Substances 0.000 claims description 19
230000003287 optical effect Effects 0.000 claims description 12
230000010287 polarization Effects 0.000 claims description 12
230000004888 barrier function Effects 0.000 claims description 5
239000011248 coating agent Substances 0.000 claims description 5
238000000576 coating method Methods 0.000 claims description 5
238000006073 displacement reaction Methods 0.000 claims description 2
239000012528 membrane Substances 0.000 claims 2
239000004020 conductor Substances 0.000 abstract 1
230000011514 reflex Effects 0.000 abstract 1
239000003973 paint Substances 0.000 description 4
230000000694 effects Effects 0.000 description 3
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
230000005374 Kerr effect Effects 0.000 description 2
230000008859 change Effects 0.000 description 2
230000006835 compression Effects 0.000 description 2
238000007906 compression Methods 0.000 description 2
239000000835 fiber Substances 0.000 description 2
230000005291 magnetic effect Effects 0.000 description 2
239000000463 material Substances 0.000 description 2
238000000034 method Methods 0.000 description 2
238000010422 painting Methods 0.000 description 2
230000008569 process Effects 0.000 description 2
230000008901 benefit Effects 0.000 description 1
238000001514 detection method Methods 0.000 description 1
230000008034 disappearance Effects 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
230000005294 ferromagnetic effect Effects 0.000 description 1
230000001939 inductive effect Effects 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000002093 peripheral effect Effects 0.000 description 1
230000011664 signaling Effects 0.000 description 1
230000001960 triggered effect Effects 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
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
- B05B1/3033—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head
- B05B1/304—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve
- B05B1/3046—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve the valve element, e.g. a needle, co-operating with a valve seat located downstream of the valve element and its actuating means, generally in the proximity of the outlet orifice
- B05B1/306—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve the valve element, e.g. a needle, co-operating with a valve seat located downstream of the valve element and its actuating means, generally in the proximity of the outlet orifice the actuating means being a fluid
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/004—Arrangements for controlling delivery; Arrangements for controlling the spray area comprising sensors for monitoring the delivery, e.g. by displaying the sensed value or generating an alarm
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/02—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- 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

Definitions

the invention is accordingly based on the object of a valve unit specify the switch position even under high voltage can be queried with as little delay as possible.
a ram or shaft member 10 On its back facing away from the valve needle 1 is on the Piston 6 a ram or shaft member 10 attached, the same axis with the valve needle 1, for example, within the Compression spring 8 can be arranged.
the end part 11 facing away from the piston 6 has the shaft member 10 as shown, an optically reflective surface element 12.
the reflective surface of the element 12 can be flat be and around the entire circumference of the cross section, for example extend square end portion of the shaft.
the end part 11 provided with the reflective element 12 is in the drawing in the two switching positions of the main needle valve shown. At 11, 12 they are in the (left) The closed position can be seen at 11 ', 12' in its (right) valve opening position.
the needle stroke H between these two Switch positions can be about 5 mm, for example.
the shaft 10 is in a recess coaxial to the needle axis 14 of the valve housing, in which a radial, that is, an opening running transversely to the needle axis through the housing 15 leads.
a holding and positioning body is seated in the opening 15 17 for two optical fiber units 20 and 21, whose optical end faces with the inner wall of the recess 14 are aligned in the two places where the reflective element 12, 12 'in the two switching positions located.
the reflective element is therefore closed Main needle valve closely adjacent to the face of the Optical fiber unit 20 and with the valve open End face of the unit 21 opposite. The mutual distance the central axes of the units 20, 21 correspond to the valve needle stroke H.
the shaft element 10 By approximating the the shaft element 10 displacing sensor element can change the polarization direction of that passed through the polarizer Light in the sensor element for generating a light signal be rotated.
One to the polarizer connected optical fiber arrangement leads to a remote, located outside the high voltage range electronic device for generating a light signal corresponding electrical signal.
the sensor element can contain a reflector that from the polarizer returns incoming light to the analyzer, where between the polarizer and the reflector a refractive element (Faraday effect element) or a prism is located and an optical fiber to the polarization device for the light supplied to the sensor element and to the analyzer an optical fiber for that of the remote electronic device supplied light are connected.
Such optical Sensors are known per se and are commercially available.
a or two sensors e.g. at the locations of the optical fibers 20 and / or 21 may be arranged in Fig. 1.
the one from the sensor in the two switch positions triggered binary signals expediently have the same binary value.
the binary signals are from the electronic sensor device generated at a distance from the valve Location outside the high voltage range and with connected to the valve unit via the optical fiber arrangement is. If the shaft member 10 between its two positions is shifted, the sensor signal changes due to the lying between the two signal generating elements Range first in the opposite binary value before the first binary value again when the other valve position is reached is produced.
an electronic control device can be determined whether, for example, after Generating a control signal for switching the valve (and after the disappearance of the first binary value) within a prescribed time again the first binary value as a message the other valve position is generated. Isn't that Case, there is a fault, which is reported by an alarm signal becomes.

Landscapes

Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Indication Of The Valve Opening Or Closing Status (AREA)
Electrostatic Spraying Apparatus (AREA)
Geophysics And Detection Of Objects (AREA)
Application Of Or Painting With Fluid Materials (AREA)

EP02006090A 2001-03-29 2002-03-18 Valve pour installation de revêtement électrostatique Expired - Lifetime EP1245291B1 (fr)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
DE10115472		2001-03-29
DE10115472A DE10115472A1 (de)	2001-03-29	2001-03-29	Ventileinheit für eine elektrostatische Beschichtungsanlage
DE10161549		2001-12-14
DE10161549		2001-12-14

Publications (3)

Publication Number	Publication Date
EP1245291A2 true EP1245291A2 (fr)	2002-10-02
EP1245291A3 EP1245291A3 (fr)	2005-01-26
EP1245291B1 EP1245291B1 (fr)	2006-10-18

Family

ID=26008941

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP02006090A Expired - Lifetime EP1245291B1 (fr)	2001-03-29	2002-03-18	Valve pour installation de revêtement électrostatique

Country Status (4)

Country	Link
EP (1)	EP1245291B1 (fr)
AT (1)	ATE342774T1 (fr)
DE (1)	DE50208463D1 (fr)
ES (1)	ES2272593T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2008037456A1 (fr)	2006-09-27	2008-04-03	Dürr Systems GmbH	Dispositif de pulvérisation électrostatique
DE102006045631A1 (de) *	2006-09-27	2008-04-10	Dürr Systems GmbH	Elektrostatische Zerstäuberanordnung
DE102007004819A1 (de)	2007-01-31	2008-08-21	Dürr Systems GmbH	Elektrostatische Zerstäuberanordnung
US8333164B2 (en)	2006-12-12	2012-12-18	Duerr Systems, Gmbh	Coating apparatus comprising a metering device
US9016596B2 (en)	2007-07-20	2015-04-28	Durr Systems Gmbh	Method for process diagnosis and rotary atomizer arrangement

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102006058562A1 (de)	2006-12-12	2008-08-14	Dürr Systems GmbH	Beschichtungseinrichtung mit einer Dosiervorrichtung
DE102007029195A1 (de)	2007-06-25	2009-02-19	Dürr Systems GmbH	Beschichtungseinrichtung mit einer Dosiervorrichtung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4306800A1 (de)	1993-03-04	1994-09-08	Duerr Gmbh & Co	Beschichtungsvorrichtung mit einem Rotationszerstäuber

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4356397A (en) *	1980-06-18	1982-10-26	Westinghouse Electric Corp.	Optical valve position sensor system
GB2159942A (en) *	1984-06-09	1985-12-11	Michael Roderick Oliver	Fluid valve position sensor
DE19650781A1 (de) *	1996-12-06	1998-06-10	Itw Oberflaechentechnik Gmbh	Sprühbeschichtungseinrichtung

2002
- 2002-03-18 AT AT02006090T patent/ATE342774T1/de not_active IP Right Cessation
- 2002-03-18 EP EP02006090A patent/EP1245291B1/fr not_active Expired - Lifetime
- 2002-03-18 DE DE50208463T patent/DE50208463D1/de not_active Expired - Lifetime
- 2002-03-18 ES ES02006090T patent/ES2272593T3/es not_active Expired - Lifetime

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4306800A1 (de)	1993-03-04	1994-09-08	Duerr Gmbh & Co	Beschichtungsvorrichtung mit einem Rotationszerstäuber

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2008037456A1 (fr)	2006-09-27	2008-04-03	Dürr Systems GmbH	Dispositif de pulvérisation électrostatique
DE102006045631A1 (de) *	2006-09-27	2008-04-10	Dürr Systems GmbH	Elektrostatische Zerstäuberanordnung
US8485125B2 (en)	2006-09-27	2013-07-16	Dürr Systems GmbH	Electrostatic spraying arrangement
US8333164B2 (en)	2006-12-12	2012-12-18	Duerr Systems, Gmbh	Coating apparatus comprising a metering device
DE102007004819A1 (de)	2007-01-31	2008-08-21	Dürr Systems GmbH	Elektrostatische Zerstäuberanordnung
US9016596B2 (en)	2007-07-20	2015-04-28	Durr Systems Gmbh	Method for process diagnosis and rotary atomizer arrangement

Also Published As

Publication number	Publication date
DE50208463D1 (de)	2006-11-30
ES2272593T3 (es)	2007-05-01
EP1245291B1 (fr)	2006-10-18
EP1245291A3 (fr)	2005-01-26
ATE342774T1 (de)	2006-11-15

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