WO2011067891A1 - 圧電駆動式バルブ及び圧電駆動式流量制御装置 - Google Patents
圧電駆動式バルブ及び圧電駆動式流量制御装置 Download PDFInfo
- Publication number
- WO2011067891A1 WO2011067891A1 PCT/JP2010/006483 JP2010006483W WO2011067891A1 WO 2011067891 A1 WO2011067891 A1 WO 2011067891A1 JP 2010006483 W JP2010006483 W JP 2010006483W WO 2011067891 A1 WO2011067891 A1 WO 2011067891A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- piezoelectric actuator
- piezoelectric
- valve body
- spacer
- heat dissipation
- Prior art date
Links
- 239000012530 fluid Substances 0.000 claims abstract description 58
- 125000006850 spacer group Chemical group 0.000 claims abstract description 56
- 239000000463 material Substances 0.000 claims abstract description 19
- 230000017525 heat dissipation Effects 0.000 claims description 41
- 239000002184 metal Substances 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 22
- 229910001374 Invar Inorganic materials 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 230000004308 accommodation Effects 0.000 claims description 3
- 230000008602 contraction Effects 0.000 abstract 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 229910000851 Alloy steel Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K49/00—Means in or on valves for heating or cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/004—Actuating devices; Operating means; Releasing devices actuated by piezoelectric means
- F16K31/007—Piezoelectric stacks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K25/00—Details relating to contact between valve members and seats
- F16K25/005—Particular materials for seats or closure elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
- F16K7/14—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
- G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
- G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/6416—With heating or cooling of the system
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7759—Responsive to change in rate of fluid flow
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7759—Responsive to change in rate of fluid flow
- Y10T137/776—Control by pressures across flow line valve
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7761—Electrically actuated valve
Definitions
- the collar portion 26c receives a pressing force from the lower end of the cylindrical body fixing / guide body 24 and presses the presser adapter 4, and the insertion hole 26d has a piezoelectric actuator supporting cylindrical body.
- the wall of the reduced diameter portion 23d is inserted, and the fitting portion 26e is located between the lower pedestal 9 and the wall of the support cylinder 23, and the three members 9, 23, 26 Acts to perform positioning.
- the pressure type flow control device adjusts the pressure P1 by the control valve on the upstream side of the orifice under a state where the upstream pressure P1 of the orifice is maintained at about twice or more of the downstream pressure P2, and thereby the downstream side of the orifice is controlled.
- the control valve is assembled by the piezoelectric actuator support cylinder 23 in which the metal diaphragm valve body 2, the presser adapter 4, and the diaphragm presser 3 are fixed in the hole 1 a of the valve body 1, the elastic member 18, the split base 26, and the lower base 9.
- the piezoelectric actuator support cylinder 23 is inserted into the valve body 1 via the cylinder fixing / guide body 24.
- the ball 8a, the piezoelectric actuator 10, the upper pedestal 11, and the bearing 28 in this order into the piezoelectric actuator support cylinder 23, and adjusting the tightening amount of the positioning bag nut 12 that forms the positioning material.
- the operation stroke of the metal diaphragm valve body 2 by the piezoelectric actuator 10 is finely adjusted to a set value.
- the split base 26, the support cylinder body 23, the lower pedestal 9, the elastic member 18, the diaphragm retainer 3, the diaphragm valve body 2 and the like are all in a predetermined position as described above.
- the shafts of the ball 8a, the piezoelectric actuator 10, the support cylinder 23, and the like are made to coincide with each other with extremely high accuracy by tightening the positioning member 12.
- a pushing force of about 40 to 80 kgf acts on the piezoelectric actuator support cylinder 23, and the piezoelectric actuator support cylinder 23 is held in the elastic member 18 in a state where the shaft core is held by the O-ring 25 of the cylinder fixing / guide body 24. It rises by the set value against the elastic force. As a result, the diaphragm valve body 2 is separated from the valve seat by the elastic force and is opened.
- the required operation time from the fully closed valve to the fully opened state is about 30 msec or less.
- the support cylinder further includes a support cylinder that accommodates and supports both the piezoelectric actuator and the heat dissipation spacer, and the support cylinder is made of a material having at least the same thermal expansion coefficient as the heat dissipation spacer. Preferably it is formed.
- the second cylinder portion 23L is formed of the same material as the heat dissipation spacer 40.
- the second cylindrical portion 23L is preferably formed of a material having a low coefficient of thermal expansion (preferably 2 ⁇ 10 ⁇ 6 / K or less) such as an invar material such as invar, super invar, or stainless invar.
- the first tube portion 23U is also preferably formed of a material having a small thermal expansion coefficient, and can be formed of the same material as the second tube portion 23L.
- the heat dissipation spacer 40 is preferably a highly heat conductive material such as a metal or an alloy, and an Invar material is also suitable in this respect.
- the support cylinder 23A is supported so as to be movable up and down.
- the upper wall 26b of the split base 26 passes through a hole 23a formed in the lower portion of the side wall of the support cylinder 23A and extends to the lower portion of the heat dissipation spacer 40 to constitute a support portion that supports the heat dissipation spacer 40.
- the elastic member 18 is accommodated in the lower portion of the upper wall 26b of the split base 26 that constitutes the support portion. Therefore, the elastic member 18 urges the support cylinder 23A downward in the drawing so that the valve body 2 closes the fluid flow path 1b by the drag from the upper wall 26b of the split base 26 constituting the support portion. To do.
- the piezoelectric actuator 10 since the heat dissipation spacer 40 lifts and supports the piezoelectric actuator 10, the piezoelectric actuator 10 is disposed on a drive path for opening and closing the valve body 2. That is, the heat dissipation spacer 40 forms an extension structure that substantially extends the length of the piezoelectric actuator 10 in the extending direction, that is, the piezoelectric element stacking direction.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- Details Of Valves (AREA)
- Flow Control (AREA)
Abstract
Description
10 圧電アクチュエータ
23A 支持筒体
23U 第1筒部
23L 第2筒部
18 弾性部材
40 放熱スペーサ
Claims (10)
- 流体流路を開閉するための弁体と、
圧電素子の伸長を利用して前記弁体を開閉駆動するための圧電アクチュエータと、
前記圧電アクチュエータを前記流体流路から遠ざけるように持上げ支持するとともに、前記流体流路を流れる流体から前記圧電アクチュエータへ伝わる熱を放熱するための放熱スペーサと、を備えることを特徴とする圧電駆動式バルブ。 - 前記圧電アクチュエータ及び前記放熱スペーサの双方を収容して支持する支持筒体を更に有し、
該支持筒体は、少なくとも前記放熱スペーサを収容する部分が該放熱スペーサと同じ熱膨張係数を有する材料で形成されていることを特徴とする請求項1に記載の圧電駆動式バルブ。 - 前記支持筒体は、前記圧電アクチュエータを収容する第1筒部と、前記放熱スペーサを収容する第2筒部とを有し、前記第1筒部と第2筒部とが共通の収容空間を形成するように連結可能に構成され、前記第2筒部が前記放熱スペーサと同じ熱膨張係数を有する材料で形成されていることを特徴とする請求項2に記載の圧電駆動式バルブ。
- 前記弁体は、自己弾性復帰型の金属ダイヤフラムによって形成され、
前記支持筒体は、上下動可能に支持され、
前記弁体が前記流体流路を閉鎖するように前記支持筒体を付勢する弾性部材と、
前記支持筒体の側壁を通過して前記放熱スペーサの下部に延び、前記圧電アクチュエータが伸長したときに前記弾性部材の弾性力に抗して前記支持筒体を持上げて前記弁体が前記流体流路を開通させるように、前記放熱スペーサを支持する支持部と、
を有することを特徴とする請求項2に記載の圧電駆動式バルブ。 - 前記放熱スペーサは、インバー材で形成されていることを特徴とする請求項1に記載の圧電駆動式バルブ。
- 前記放熱スペーサは、前記圧電アクチュエータと同じ形状及び寸法を有していることを特徴とする請求項1に記載の圧電駆動式バルブ。
- 前記放熱スペーサは、前記流体流路を流れる流体から受けた熱が該放熱スペーサの下端部から上端部へ伝熱する間の放熱により該上端部の温度が前記圧電アクチュエータの耐熱温度以下となるように、前記下端部と上端部との間の長さが設定されていることを特徴とする請求項1に記載の圧電駆動式バルブ。
- 請求項1~7の何れかに記載の圧電駆動式バルブを備えた圧電駆動式流量制御装置。
- 前記弁体の下流側の流体流路に介在されたオリフィスと、該オリフィスと前記弁体の間の流体流路に配設された圧力センサと、該圧力センサの検出値に基づいて前記圧電アクチュエータを制御する制御部と、を更に有することを特徴とする請求項8に記載の圧電駆動式流量制御装置。
- 前記弁体の上流側に配置した熱式の流量センサの検出値に基づいて前記圧電アクチュエータを制御することを特徴とする請求項8に記載の圧電駆動式流量制御装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/505,620 US9163743B2 (en) | 2009-12-01 | 2010-11-04 | Piezoelectrically driven valve and piezoelectrically driven flow rate control device |
KR1020127008912A KR101366018B1 (ko) | 2009-12-01 | 2010-11-04 | 압전 구동식 밸브 및 압전 구동식 유량 제어 장치 |
CN201080054455.1A CN102667284B (zh) | 2009-12-01 | 2010-11-04 | 压电驱动式阀和压电驱动式流量控制装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009-274005 | 2009-12-01 | ||
JP2009274005A JP5669384B2 (ja) | 2009-12-01 | 2009-12-01 | 圧電駆動式バルブ及び圧電駆動式流量制御装置 |
Publications (1)
Publication Number | Publication Date |
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WO2011067891A1 true WO2011067891A1 (ja) | 2011-06-09 |
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ID=44114754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2010/006483 WO2011067891A1 (ja) | 2009-12-01 | 2010-11-04 | 圧電駆動式バルブ及び圧電駆動式流量制御装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9163743B2 (ja) |
JP (1) | JP5669384B2 (ja) |
KR (1) | KR101366018B1 (ja) |
CN (2) | CN105179799B (ja) |
TW (1) | TWI422765B (ja) |
WO (1) | WO2011067891A1 (ja) |
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US10174858B2 (en) | 2014-09-01 | 2019-01-08 | Fujikin Incorporated | Piezoelectric element-driven valve and flow rate control device including piezoelectric element-driven valve |
WO2021019922A1 (ja) * | 2019-07-31 | 2021-02-04 | 株式会社フジキン | バルブ装置、流体制御装置及びバルブ装置の製造方法 |
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- 2010-11-04 WO PCT/JP2010/006483 patent/WO2011067891A1/ja active Application Filing
- 2010-11-04 US US13/505,620 patent/US9163743B2/en active Active
- 2010-11-04 KR KR1020127008912A patent/KR101366018B1/ko active IP Right Grant
- 2010-11-19 TW TW99139989A patent/TWI422765B/zh active
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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US10174858B2 (en) | 2014-09-01 | 2019-01-08 | Fujikin Incorporated | Piezoelectric element-driven valve and flow rate control device including piezoelectric element-driven valve |
JP2018136986A (ja) * | 2018-04-27 | 2018-08-30 | 株式会社フジキン | 圧力式流量制御装置 |
WO2021019922A1 (ja) * | 2019-07-31 | 2021-02-04 | 株式会社フジキン | バルブ装置、流体制御装置及びバルブ装置の製造方法 |
JPWO2021019922A1 (ja) * | 2019-07-31 | 2021-02-04 | ||
TWI739516B (zh) * | 2019-07-31 | 2021-09-11 | 日商富士金股份有限公司 | 閥裝置、流體控制裝置及閥裝置的製造方法 |
JP7402544B2 (ja) | 2019-07-31 | 2023-12-21 | 株式会社フジキン | バルブ装置、流体制御装置及びバルブ装置の製造方法 |
KR20220029730A (ko) | 2019-08-30 | 2022-03-08 | 가부시키가이샤 후지킨 | 다이어프램 밸브 |
KR20240024359A (ko) | 2019-08-30 | 2024-02-23 | 가부시키가이샤 후지킨 | 다이어프램 밸브 |
US11976748B2 (en) | 2019-08-30 | 2024-05-07 | Fujikin Incorporated | Diaphragm valve |
KR20230145432A (ko) | 2021-04-01 | 2023-10-17 | 가부시키가이샤 후지킨 | 제어기 및 기화 공급 장치 |
Also Published As
Publication number | Publication date |
---|---|
KR101366018B1 (ko) | 2014-02-21 |
TW201139902A (en) | 2011-11-16 |
US9163743B2 (en) | 2015-10-20 |
JP2011117499A (ja) | 2011-06-16 |
TWI422765B (zh) | 2014-01-11 |
JP5669384B2 (ja) | 2015-02-12 |
US20120273061A1 (en) | 2012-11-01 |
CN105179799A (zh) | 2015-12-23 |
KR20120048042A (ko) | 2012-05-14 |
CN102667284A (zh) | 2012-09-12 |
CN102667284B (zh) | 2016-10-26 |
CN105179799B (zh) | 2017-07-21 |
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