JP6151259B2 - 粉体流検出 - Google Patents
粉体流検出 Download PDFInfo
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- JP6151259B2 JP6151259B2 JP2014534575A JP2014534575A JP6151259B2 JP 6151259 B2 JP6151259 B2 JP 6151259B2 JP 2014534575 A JP2014534575 A JP 2014534575A JP 2014534575 A JP2014534575 A JP 2014534575A JP 6151259 B2 JP6151259 B2 JP 6151259B2
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- powder
- pump
- flow path
- photodetector
- light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F3/00—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow
- G01F3/36—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with stationary measuring chambers having constant volume during measurement
- G01F3/38—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with stationary measuring chambers having constant volume during measurement having only one measuring chamber
-
- 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
- B05B7/14—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 designed for spraying particulate materials
- B05B7/1404—Arrangements for supplying particulate material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/661—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters using light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/72—Devices for measuring pulsing fluid flows
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/74—Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
- G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Electromagnetism (AREA)
- Measuring Volume Flow (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Description
Claims (20)
- 粉体ポンプから出るパルス化粉体流を検出する装置であって、
前記粉体ポンプはポンプ出口とポンプ室を備え、粉体は、該ポンプ室に加えられる負圧によって該ポンプ室内に引き込まれ、該ポンプ室に正圧が加えられるときに前記ポンプ室から前記ポンプ出口に押し出され、前記粉体は、前記ポンプ出口から粉体流路内にパルス状に流れ込み、
前記装置は、光源と光検出器と電気回路を具備し、
前記光源は前記ポンプ出口に近接して配置され、
前記光検出器は前記光源が前記粉体流路の一部分の中に入る光を生成するとき、該光源からの光を検出し、粉体が前記ポンプ出口から前記粉体流路を通ってパルス状に流れる際に該粉体流路の前記部分を通過する前記光源からの光に応答して電気出力を生成し、
前記電気回路は、前記光検出器により生成された前記電気出力を受け取り、該電気出力に基づいて、粉体が該粉体流路の前記部分の中を流れているか否かを判断する、パルス化粉体流を検出する装置。 - 第1の弁が、前記ポンプ室内への粉体の流れを制御し、第2の弁が、前記ポンプ室から出る粉体の流れを制御する、請求項1に記載の装置。
- 前記ポンプは、前記ポンプ出口に交互に粉体を供給する2つのポンプ室を備える、請求項1に記載の装置。
- 前記ポンプは、前記電気回路を含むコントローラーを更に備える、請求項1に記載の装置。
- 前記電気出力はパルス化され、前記光検出器から前記パルス化出力を受け取る前記電気回路は、前記光検出器によって受け取られた光の前記強度の平均を求める、請求項1に記載の装置。
- 前記光源及び前記光検出器は、前記粉体流路の前記部分の反対側の対向する側に配置されている、請求項1に記載の装置。
- 前記粉体流路の前記部分は光透明性である、請求項1に記載の装置。
- 前記粉体流路の前記部分は、前記光源によって生成されかつ前記光検出器によって検出することができる光の波長に対して透明である、請求項1に記載の装置。
- 前記粉体流路の前記部分は、重力が、粉体が前記粉体流路の前記部分の中を流れるのを補助するように、向けられている、請求項1に記載の装置。
- 前記粉体流路の前記部分は垂直に向けられている、請求項9に記載の装置。
- 前記光検出器は、前記電気出力を電圧信号として生成し、前記電気回路は該電圧信号のRMS値を求める、請求項1に記載の装置。
- 前記電気出力はパルス化され、前記電気回路は、粉体が前記粉体流路の前記部分の中を流れていないときの流れなしRMS値を含む前記電気出力のRMS値を求め、前記電気回路は、前記電気出力のRMS値が前記流れなしRMS値と異なるときに、粉体が前記粉体流路の前記部分の中を流れていると判断する、請求項11に記載の装置。
- 前記電気回路は、粉体が前記粉体流路の前記部分の中を流れていないときに、前記光検出器によって生成される最大信号に基づいて前記流れなしRMS値を求め、それにより、前記粉体流路の前記部分を通って流れている粉体が、前記光検出器によって受け取られる光の強度を低減し、前記電気出力のRMS値を低減して粉体が前記粉体流路の前記部分を通って流れていることを示す、請求項12に記載の装置。
- 前記電気出力はパルス化され、前記電気回路は、前記粉体流路の前記部分を通る第1の粉体流量に対して前記電気出力の第1のRMS値を求め、前記電気出力の第2のRMS値が前記第1のRMS値と選択された量異なるときに、流量が変化したと判断する、請求項1に記載の装置。
- 前記電気回路は、該電気回路が、粉体が前記粉体流路の前記部分の中を流れていないと判断したときに、警報を発生する、請求項1に記載の装置。
- 前記警報は、視覚的警報若しくは可聴警報又は両方を含む、請求項15に記載の装置。
- 前記粉体流路の前記部分は、該粉体流路の前記部分の境界層に蓄積する可能性があるいかなる粉体も、本来前記光検出器によって受け取られる、前記光源によって前記粉体流路の前記部分の中に伝送される光に影響を与えないように、十分な長さ対直径比を有している、請求項1に記載の装置。
- 2つ以上の光源若しくは光検出器又は両方を具備する、請求項1に記載の装置。
- 前記光源及び前記光検出器は、前記粉体流路に沿って位置するハウジング内に収容されている、請求項1に記載の装置。
- 前記光源及び前記光検出器は、前記粉体流路に沿って前記ポンプ出口と粉体給送ホースとの間に位置している、請求項1に記載の装置。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/267,028 US8767214B2 (en) | 2011-10-06 | 2011-10-06 | Powder flow detection |
| US13/267,028 | 2011-10-06 | ||
| PCT/US2012/054555 WO2013052239A1 (en) | 2011-10-06 | 2012-09-11 | Powder flow detection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2014528584A JP2014528584A (ja) | 2014-10-27 |
| JP6151259B2 true JP6151259B2 (ja) | 2017-06-21 |
Family
ID=47040789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014534575A Active JP6151259B2 (ja) | 2011-10-06 | 2012-09-11 | 粉体流検出 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US8767214B2 (ja) |
| EP (2) | EP2764331B1 (ja) |
| JP (1) | JP6151259B2 (ja) |
| CN (2) | CN104024805B (ja) |
| WO (1) | WO2013052239A1 (ja) |
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| DE102013009642B4 (de) * | 2013-06-08 | 2019-10-10 | Dräger Safety AG & Co. KGaA | Messsystem, Reaktionsträger, Messverfahren und optischer Strömungssensor |
| EP2930543B1 (de) * | 2014-04-10 | 2021-09-15 | Müller-Elektronik GmbH | Fallrohrsensor und Verfahren zur Einzelkornerkennung |
| CA2980115A1 (en) | 2015-03-19 | 2016-09-22 | Ipeg, Inc. | Material delivery system |
| US11007717B2 (en) | 2016-05-12 | 2021-05-18 | Hewlett-Packard Development Company, L.P. | Outlet structure |
| IT201600075023A1 (it) * | 2016-07-18 | 2018-01-18 | Dropsa Spa | Dispositivo e metodo di monitoraggio di un flusso di olio misto ad aria |
| CN107803365B (zh) * | 2016-09-09 | 2022-09-23 | 鸿富锦精密工业(深圳)有限公司 | 药末清洁装置及药末清洁方法 |
| US10578553B2 (en) * | 2016-11-29 | 2020-03-03 | Pioneer Corporation | Measuring apparatus |
| US10760933B2 (en) * | 2017-04-27 | 2020-09-01 | Oerlikon Metco (Us) Inc. | Method for detecting and diagnosing powder flow stability |
| DE102017208934B4 (de) | 2017-05-29 | 2022-01-27 | Audi Ag | Verfahren zur Ermittlung einer Partikelkonzentration |
| CN111936938B (zh) * | 2018-04-13 | 2023-07-28 | 惠普发展公司,有限责任合伙企业 | 着色剂传感器 |
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-
2011
- 2011-10-06 US US13/267,028 patent/US8767214B2/en active Active
-
2012
- 2012-09-11 WO PCT/US2012/054555 patent/WO2013052239A1/en not_active Ceased
- 2012-09-11 CN CN201280049435.4A patent/CN104024805B/zh active Active
- 2012-09-11 EP EP12773436.6A patent/EP2764331B1/en active Active
- 2012-09-11 EP EP20216106.3A patent/EP3859286B1/en active Active
- 2012-09-11 CN CN201710092436.1A patent/CN107063366B/zh active Active
- 2012-09-11 JP JP2014534575A patent/JP6151259B2/ja active Active
-
2014
- 2014-05-13 US US14/275,930 patent/US9372108B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US8767214B2 (en) | 2014-07-01 |
| EP3859286A1 (en) | 2021-08-04 |
| EP2764331B1 (en) | 2020-12-23 |
| US9372108B2 (en) | 2016-06-21 |
| EP3859286B1 (en) | 2023-07-19 |
| US20140245839A1 (en) | 2014-09-04 |
| CN104024805A (zh) | 2014-09-03 |
| CN104024805B (zh) | 2017-03-15 |
| JP2014528584A (ja) | 2014-10-27 |
| EP2764331A1 (en) | 2014-08-13 |
| CN107063366A (zh) | 2017-08-18 |
| WO2013052239A1 (en) | 2013-04-11 |
| US20130088716A1 (en) | 2013-04-11 |
| CN107063366B (zh) | 2019-11-08 |
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