WO2017033423A1 - 圧電式リニアアクチュエータ、圧電駆動バルブ及び流量制御装置 - Google Patents
圧電式リニアアクチュエータ、圧電駆動バルブ及び流量制御装置 Download PDFInfo
- Publication number
- WO2017033423A1 WO2017033423A1 PCT/JP2016/003671 JP2016003671W WO2017033423A1 WO 2017033423 A1 WO2017033423 A1 WO 2017033423A1 JP 2016003671 W JP2016003671 W JP 2016003671W WO 2017033423 A1 WO2017033423 A1 WO 2017033423A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pair
- piezoelectric actuator
- piezoelectric
- displacement
- laminated piezoelectric
- Prior art date
Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 116
- 230000005540 biological transmission Effects 0.000 claims abstract description 72
- 230000002093 peripheral effect Effects 0.000 claims abstract description 49
- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 210000003660 reticulum Anatomy 0.000 description 22
- 239000007769 metal material Substances 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 2
- 229910001374 Invar Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
-
- 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
-
- 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—Piezo-electric 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
- 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
- F16K37/0025—Electrical or magnetic means
- F16K37/005—Electrical or magnetic means for measuring fluid parameters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
- H02N2/04—Constructional details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
- H02N2/06—Drive circuits; Control arrangements or methods
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/802—Drive or control circuitry or methods for piezoelectric or electrostrictive devices not otherwise provided for
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/88—Mounts; Supports; Enclosures; Casings
Definitions
- the present invention relates to a piezoelectric linear actuator using a laminated piezoelectric actuator, a piezoelectric drive valve including the piezoelectric linear actuator, and a flow rate control device including the piezoelectric drive valve.
- a laminated piezoelectric actuator configured by laminating piezoelectric elements in a linear actuator driving unit and a valve driving unit is widely used, and a flow rate control device that controls a flow rate by a piezoelectric driving valve using the laminated piezoelectric actuator is also known. Yes.
- a flow control device 30 shown in FIG. 23 includes a laminated piezoelectric device in which a valve element 33 such as a metal diaphragm valve interposed in a flow path 32 inside a body 31 is attached to the body 31.
- the actuator 34 can be opened and closed (Patent Documents 1 to 3, etc.).
- the flow control device 30 shown in FIG. 23 is called a pressure-type flow control device, and is located between the downstream pressure P 2 and the upstream pressure P 1 of the orifice 35 interposed in the flow path 32 (P 1 / P 2).
- the flow rate Q can be controlled with high accuracy by feedback control of the upstream pressure P 1 detected by the pressure detector 36 using the upstream valve. Even if the pressure of the gas on the upstream side of the body 33 changes greatly, an excellent characteristic that the control flow rate value hardly changes can be exhibited.
- High precision control of the upstream pressure P 1 may be made by a piezoelectric actuated valve with excellent laminated piezoelectric actuator 34 of the response.
- the thrust required for the opening / closing operation of the valve is determined by conditions such as the flow rate and pressure of the gas flowing through the valve, it is not possible to simply downsize the laminated piezoelectric actuator. The miniaturization was hindered.
- the laminated piezoelectric actuator is the same as the conventional one, the piezoelectric linear actuator is reduced in thickness, the piezoelectric drive valve including the piezoelectric linear actuator is reduced, and the piezoelectric drive valve is provided.
- the main purpose is to miniaturize the flow control device provided.
- a first side surface of a piezoelectric linear actuator includes a cylindrical laminated piezoelectric actuator, and a lower portion that supports the laminated piezoelectric actuator and extends to the left and right sides of the laminated piezoelectric actuator.
- a pair of displacement transmitting members that extend along the left and right sides of the laminated piezoelectric actuator, slidably intersect the lower supporting member, and transmit displacement due to the piezoelectric effect of the laminated piezoelectric actuator;
- a piezoelectric linear actuator having an output portion that is locked to the pair of displacement transmission members below the lower support member and connects lower end portions of the two displacement transmission members, each of the displacement transmission members Is a side having an arcuate inner peripheral surface along the outer peripheral surface of the multilayer piezoelectric actuator and connected to the arcuate inner peripheral surface
- a longitudinal guide hole through which the lower support member is inserted is formed at the lower end portion of each displacement transmitting member in an opposing shape, and the lower side of the guide hole is formed on the lower side of the guide hole.
- the output portion is locked to an inner peripheral edge, and the output portion has a columnar portion whose upper end portion is inserted between the lower end portions of the pair of displacement transmission members, and an outer peripheral surface of the columnar portion.
- a pair of arm portions protruding along the lower support member and locked to the inner peripheral edge portion on the lower side of the guide holes of the pair of displacement transmission members, and the width dimension of the pair of displacement transmission members is The laminated piezoelectric actuator is formed to have the same or similar width as the width dimension.
- the second side surface of the piezoelectric linear actuator according to the present invention is such that, in the first side surface, each arm of the output portion is engaged with an inner peripheral edge portion below the guide hole of the pair of displacement transmission members.
- a locking groove having the same shape as the locking portion that is detachably fitted to the locking portion and positioned is formed on the lower surface of each arm portion of the output portion.
- the third side surface of the piezoelectric linear actuator according to the present invention is characterized in that, in the second side surface, the locking portion and the locking groove have an arc shape located on the same circumference in a planar shape.
- a fourth side surface of the piezoelectric linear actuator according to the present invention further includes a bonnet to which the lower support member is coupled in the first side surface, and the bonnet includes a lower end portion of the pair of displacement transmission members, An upper portion of the columnar portion, a recess for accommodating the pair of arm portions and the elastic body, and a through hole into which a lower portion of the columnar portion is slidably inserted are formed. .
- the output portion includes an annular seal member fitted in an annular groove formed in a lower outer peripheral surface of the columnar portion. And is slidably supported by the through hole.
- a sixth aspect of the piezoelectric linear actuator according to the present invention is characterized in that, in the fourth aspect, the bonnet is formed to have the same dimension as the width dimension of the multilayer piezoelectric actuator. .
- a first side surface of a piezoelectric drive valve according to the present invention includes a cylindrical laminated piezoelectric actuator, a lower support member that supports the laminated piezoelectric actuator and extends to the left and right sides of the laminated piezoelectric actuator, and the laminated piezoelectric actuator.
- a pair of displacement transmitting members that extend slidably with respect to the lower support member and transmit displacement due to the piezoelectric effect of the laminated piezoelectric actuator, and below the lower support member
- a piezoelectric linear actuator that includes an output portion that is locked to a pair of displacement transmission members and connects lower ends of the two displacement transmission members, each of the displacement transmission members being an outer periphery of the multilayer piezoelectric actuator; It has an arcuate inner peripheral surface along the surface and is formed into a long member having a side surface continuous to the arcuate inner peripheral surface, A vertically long guide hole through which the lower support member is inserted is formed at the lower end of each displacement transmitting member so as to face the inner periphery of the lower side of the guide hole.
- the output part is formed so that an upper end part is inserted between the lower end parts of the pair of displacement transmission members, and an outer peripheral surface of the cylindrical part protrudes along the lower support member.
- a pair of arm portions that are engaged with the inner peripheral edge of the lower side of the guide hole of the displacement transmission member, and the width dimension of the pair of displacement transmission members is the same as or approximately the same as the width dimension of the multilayer piezoelectric actuator
- a piezoelectric linear actuator formed in the dimensions of A body in which the piezoelectric linear actuator is mounted and a flow path is formed inside;
- a valve stem that also serves as the output section of the piezoelectric linear actuator;
- a valve body that opens and closes the flow path by operating the valve stem; It is characterized by providing.
- the inner peripheral edge portion below the guide holes of the pair of displacement transmission members is connected to each arm of the output portion.
- a locking portion having the same shape as that of the locking portion that is detachably fitted and positioned on the locking portion is formed on the lower surface of each arm portion of the output portion. It is characterized by.
- the third side surface of the piezoelectric drive valve according to the present invention is the second side surface of the piezoelectric drive valve, and the locking portion and the locking groove have an arc shape located on the same circumference in a planar shape. It is characterized by that.
- the first side of the piezoelectric drive valve further includes a bonnet to which the lower support member is coupled, and the bonnet includes the pair of displacement transmission members.
- the bonnet includes the pair of displacement transmission members.
- a lower end portion, an upper portion of the columnar portion, a concave portion in which the pair of arm portions and the elastic body are accommodated, and a through hole into which the lower portion of the columnar portion is slidably inserted are formed.
- the output portion is an annular shape fitted in an annular groove formed in a lower outer peripheral surface of the cylindrical portion. It is characterized by being slidably supported by the through hole via a seal member.
- the bonnet is formed to have the same or similar dimension as the width dimension of the multilayer piezoelectric actuator.
- a seventh aspect of the piezoelectric drive valve according to the present invention is characterized in that, in the first side face of the piezoelectric drive valve, the valve body is a metal diaphragm valve body.
- a first aspect of the flow control device includes a cylindrical laminated piezoelectric actuator, a lower support member that supports the laminated piezoelectric actuator and extends to the left and right sides of the laminated piezoelectric actuator, and the laminated piezoelectric actuator.
- a pair of displacement transmitting members that extend slidably with respect to the lower support member and transmit displacement due to the piezoelectric effect of the laminated piezoelectric actuator, and below the lower support member
- a piezoelectric linear actuator that includes an output portion that is locked to a pair of displacement transmission members and connects lower ends of the two displacement transmission members, each of the displacement transmission members being an outer periphery of the multilayer piezoelectric actuator; Formed in the shape of a long member having an arcuate inner circumferential surface along the surface and having a side surface continuous to the arcuate inner circumferential surface.
- a vertically long guide hole through which the lower support member is inserted is formed at the lower end portion of each displacement transmitting member so as to be opposed, and the output portion is locked to the inner peripheral edge on the lower side of the guide hole.
- the output portion has a columnar portion whose upper end portion is inserted between the lower end portions of the pair of displacement transmitting members, and an outer peripheral surface of the columnar portion that protrudes along the lower support member.
- a pair of arm portions locked to the inner peripheral edge of the lower side of the guide hole of the displacement transmission member, and the width dimension of the pair of displacement transmission members is the same as or similar to the width dimension of the multilayer piezoelectric actuator
- a piezoelectric linear actuator formed in dimensions A piezoelectrically driven valve comprising a body to which the piezoelectric linear actuator is attached and having a flow path formed therein, a valve rod that also serves as the output unit, and a valve body that opens and closes the flow channel by operating the valve rod
- a control device for opening and closing the piezoelectric drive valve It is characterized by providing.
- the inner peripheral edge on the lower side of the guide hole of the pair of displacement transmission members is connected to each arm of the output unit.
- a locking portion having the same shape as that of the locking portion that is detachably fitted and positioned on the locking portion is formed on the lower surface of each arm portion of the output portion. It is characterized by.
- the locking portion and the locking groove in the second side of the flow control device, have an arc shape located on the same circumference in a planar shape. It is characterized by that.
- the first side of the flow control device further includes a bonnet to which the lower support member is coupled, and the bonnet includes the pair of displacement transmission members.
- the bonnet includes the pair of displacement transmission members.
- a lower end portion, an upper portion of the columnar portion, a concave portion in which the pair of arm portions and the elastic body are accommodated, and a through hole into which the lower portion of the columnar portion is slidably inserted are formed.
- the output portion in the fourth side of the flow control device, is an annular shape fitted in an annular groove formed in a lower outer peripheral surface of the columnar portion. It is characterized by being slidably supported by the through hole via a seal member.
- the bonnet is formed to have the same or similar dimension as the width dimension of the multilayer piezoelectric actuator.
- a seventh aspect of the flow control device of the present invention there is provided an orifice interposed in a flow path on the downstream side of the valve body and a flow path on the upstream side of the orifice in the first side surface of the flow control apparatus. And a pressure detector for detecting the internal pressure, wherein the control device controls opening and closing of the piezoelectric drive valve based on a detection value of the pressure detector.
- An eighth aspect of the flow control device is the inlet side of the first side of the flow control device, having an inlet-side flow path that is connected to the body and communicates with a flow path on the upstream side of the body.
- An outlet side block provided with a pressure detector for detecting a pressure in the outlet side channel, and having a block, an outlet side channel connected to the body and communicating with a channel on the downstream side of the body; Is further provided.
- the structural members are gathered on the left and right of the multilayer piezoelectric actuator, and the width dimension of the structural member is formed to be the same as or approximately the same as the width dimension of the multilayer piezoelectric actuator.
- the piezoelectric linear actuator can be thinned to the limit, that is, the width of the laminated piezoelectric actuator, and the piezoelectric drive valve and the flow rate control device using such a laminated piezoelectric actuator can be significantly thinned.
- FIG. 1 is a front view showing an embodiment of a piezoelectric linear actuator according to the present invention. It is a side view of a piezoelectric linear actuator. It is a top view of a piezoelectric linear actuator. It is an enlarged vertical front view of a piezoelectric linear actuator. It is an expanded vertical side view of a piezoelectric linear actuator. It is a top view of the lower support member which is a structural member of a piezoelectric linear actuator. It is a vertical front view of a lower support member. It is a top view of the pressing member which is a structural member of a piezoelectric linear actuator. It is a vertical front view of a pressing member.
- the piezoelectric linear actuator 1 supports a cylindrical laminated piezoelectric actuator 2 and a laminated piezoelectric actuator 2.
- the lower support member 3 that extends to the left and right sides of the multilayer piezoelectric actuator 2, the pressing member 4 that presses the multilayer piezoelectric actuator 2 from the upper side, and extends along the left and right sides of the multilayer piezoelectric actuator 2.
- a pair of displacement transmission members 5 that intersect with each other in a vertically movable manner and transmit displacement due to the piezoelectric effect of the laminated piezoelectric actuator 2, an upper connection member 6 that connects upper ends of the pair of displacement transmission members 5, and an upper connection
- An adjusting screw 7 provided on the member 6 and capable of adjusting a relative height position of the pair of displacement transmitting members 5 with respect to the pressing member 4; Below the holding member 3, it is interposed between the lower support member 3 and the output part 8, which is locked to the pair of displacement transmission members 5 and connects the lower ends of both displacement transmission members 5,
- An elastic body 9 that urges the output unit 8 downward and a bonnet 10 to which the lower support member 3 is fixed are provided.
- the laminated piezoelectric actuator 2 is a so-called columnar metal-sealed laminated piezoelectric actuator in which a laminated piezoelectric element is housed and sealed in a cylindrical metal casing.
- a hemispherical convex portion 2 a provided at the tip of the casing reciprocates along the axis of the multilayer piezoelectric actuator 2 as the piezoelectric element expands and contracts.
- the lower support member 3 is formed into a plate-like member having a width dimension that is the same as or similar to the width (diameter) dimension of the laminated piezoelectric actuator 2 by using a metal material such as stainless steel. As shown in FIG. It is installed on the bonnet 10 in a state of being positioned by the parallel pins 11.
- the same dimension means a dimension within a range of about ⁇ 1 mm with respect to the width (diameter) dimension of the multilayer piezoelectric actuator 2.
- the same dimension means a dimension within the above-mentioned numerical value range.
- the maximum width dimension of the lower support member 3 is slightly smaller than the width (diameter) dimension of the multilayer piezoelectric actuator 2.
- conical recesses 3 a on which the hemispherical convex portions 2 a of the laminated piezoelectric actuator 2 are supported and placed are formed, and on the left and right sides of the lower support member 3.
- the through holes 3b through which the fixing bolts are inserted are respectively formed (see FIGS. 6 and 7).
- the lower support member 3 has an intermediate portion in the longitudinal direction (a portion intersecting with the lower end portions of the pair of displacement transmission members 5) narrower than both end portions.
- the plate surface is made horizontal by inserting through the guide hole 5a formed at the lower end of the pair of displacement transmission members 5 and then rotating by 90 ° about the longitudinal axis.
- the pressing member 4 is formed in a disk-shaped member having a width (diameter) size that is the same as or similar to the width (diameter) size of the laminated piezoelectric actuator 2 using a metal material such as stainless steel.
- a conical recess 4a is formed in which the tip of the adjusting screw 7 abuts in a pressed state, and the upper end of the laminated piezoelectric actuator 2 is fitted in a close contact with the lower surface of the pressing member 4.
- a dish-like depression 4b is formed (see FIGS. 8 and 9).
- the width (diameter) dimension of the pressing member 4 is slightly larger than the width (diameter) dimension of the laminated piezoelectric actuator 2.
- a cutout groove 4c for allowing a lead terminal (not shown) of the laminated piezoelectric actuator 2 to pass therethrough is formed on the outer peripheral edge of the pressing member 4 so as to face each other.
- the pair of displacement transmission members 5 have an arcuate inner peripheral surface along the outer peripheral surface of the laminated piezoelectric actuator 2 made of a metal material such as an invar material having a small thermal expansion coefficient, and have parallel side surfaces continuous to the arc-shaped inner peripheral surface. It has a long plate shape.
- the pair of displacement transmission members 5 are formed by cutting the opposing portions of a metal cylindrical member of a size surrounding the laminated piezoelectric actuator 2 in parallel and dividing the cylindrical member into two along the longitudinal direction. (See FIG. 10).
- the maximum width of the pair of displacement transmission members 5 is formed to have the same or approximately the same size as the width (diameter) of the laminated piezoelectric actuator 2.
- the maximum width dimension of the pair of displacement transmission members 5 is formed to be slightly larger than the width (diameter) dimension of the laminated piezoelectric actuator 2.
- a vertically long guide hole 5a through which the lower support member 3 is inserted in a horizontal posture is formed at the lower ends of the pair of displacement transmitting members 5 so as to face each other, and an inner peripheral edge on the lower side of the guide hole 5a.
- This portion is a locking portion 5b to which the output portion 8 is locked (see FIGS. 10 to 12).
- the vertically long guide holes 5 a are formed to have dimensions that allow the lower end portions of the pair of displacement transmission members 5 to move up and down relative to the lower support member 3.
- locking part 5b is formed in circular arc shape in planar shape.
- a female screw hole 5 c for fixing the upper connecting member 6 with the set screw 12 is formed at the upper end portions of the pair of displacement transmitting members 5 so as to face each other.
- the upper connecting member 6 is formed in a substantially inverted U-shaped member having a width dimension that is the same as or similar to the width (diameter) dimension of the laminated piezoelectric actuator 2 by a metal material such as stainless steel, and is opposed to the pressing member 4. And a pair of arc portions 6b that are connected to both ends of the flat plate portion 6a and are in surface contact with the outer peripheral surfaces of the upper end portions of the pair of displacement transmission members 5 (see FIGS. 13 and 14).
- the maximum width dimension of the upper connecting member 6 is formed to be slightly larger than the width (diameter) dimension of the laminated piezoelectric actuator 2.
- a female screw hole 6c into which the adjusting screw 7 is screwed up and down is formed at the center position of the flat plate portion 6a of the upper connecting member 6, and a pair of circular arc portions 6b of the upper connecting member 6 are formed.
- the through-hole 6d is formed in an opposing shape (see FIG. 13).
- a notch groove that matches the notch groove 4c of the pressing member 4 and passes a lead terminal (not shown) of the laminated piezoelectric actuator 2 is passed. 6e is formed in an opposing shape.
- the upper connecting member 6 is placed on the upper ends of the pair of displacement transmitting members 5, and the set screws 12 inserted into the through holes 6 d of the upper connecting member 6 are tightened into the female screw holes 5 c of the pair of displacement transmitting members 5.
- the upper ends of the pair of displacement transmitting members 5 can be connected to each other, the adjusting screw 7 is screwed into the female screw hole 6 c of the upper connecting member 6, and the tip of the adjusting screw 7 is conical with the pressing member 4.
- the relative height position of the pair of displacement transmitting members 5 with respect to the pressing member 4 can be adjusted by contacting the depression 4 a and adjusting the tightening degree of the adjusting screw 7.
- the adjustment screw 7 is screwed with a locking nut 13.
- the output portion 8 is formed of a metal material such as stainless steel, and a cylindrical portion 8a whose upper end portion is inserted between the lower end portions of the pair of displacement transmission members 5, and an outer peripheral surface of an intermediate portion of the cylindrical portion 8a. And a pair of arm portions 8b which are formed so as to protrude along the lower support member 3 and are respectively engaged with the engaging portions 5b of the pair of displacement transmitting members 5 (see FIGS. 15 to 17).
- the maximum width (maximum diameter) dimension of the cylindrical portion 8a of the output section 8 is formed to be the same or approximately the same as the width (diameter) dimension of the multilayer piezoelectric actuator 2, and in this embodiment, the output section 8 has a maximum width (maximum diameter) dimension slightly smaller than a width (diameter) dimension of the laminated piezoelectric actuator 2.
- the engaging portions that are detachably fitted to the engaging portions 5 b of the pair of displacement transmitting members 5 and positioned on the lower surfaces of the arm portions 8 b of the output portion 8.
- the same arc-shaped locking groove 8c as 5b is formed.
- the locking portion 5b of the pair of displacement transmitting members 5 and the locking groove 8c of the output portion 8 are located on the same circumference in the planar shape.
- annular groove 8d into which an annular seal member 14 (for example, an O-ring) is fitted is formed on the lower outer peripheral surface of the cylindrical portion 8a of the output portion 8 as shown in FIG.
- the output portion 8 has an upper end portion of the columnar portion 8 a inserted between the lower end portions of the pair of displacement transmission members 5, and the locking grooves 8 c of the pair of arm portions 8 b are respectively provided on the pair of displacement transmission members 5.
- the lower ends of the pair of displacement transmitting members 5 can be connected to each other by being engaged with the engaging portions 5b. In this way, by simply locking the locking groove 8c of the output portion 8 with the locking portion 5b of the pair of displacement transmission members 5, the lower end portions of both displacement transmission members 5 can be connected in a positioned state. Therefore, the lower ends of the pair of displacement transmission members 5 can be easily and easily connected.
- the elastic body 9 is interposed between the lower support member 3 and the output portion 8 in a state of being fitted on the upper end portion of the columnar portion 8a of the output portion 8, and includes the output portion 8 and a pair of displacement transmissions.
- the member 5 is urged downward.
- a plurality of disc springs having a diameter that is the same as or approximately the same as the width (diameter) dimension of the laminated piezoelectric actuator 2 are used for the elastic body 9.
- the pair of displacement transmitting members 5 is pressed with a strong force by the elastic force of the disc spring and presses the laminated piezoelectric actuator 2 to the lower support member 3 via the pressing member 4 and the like. It is possible to prevent the displacement transmitting member 5 from shaking.
- the bonnet 10 is formed in a horizontally long plate-like member having a width dimension that is the same as or similar to the width (diameter) dimension of the laminated piezoelectric actuator 2 with a metal material such as stainless steel, and two bonnets are formed on the upper end portion. Parallel pins 11 are provided.
- the maximum width dimension of the bonnet 10 is formed to be slightly larger than the width (diameter) dimension of the multilayer piezoelectric actuator 2.
- the two parallel pins 11 may be omitted.
- the bonnet 10 includes a lower end portion of the pair of displacement transmitting members 5, an upper portion of the columnar portion 8a of the output portion 8, a pair of arm portions 8b of the output portion 8, and a recess 10a that accommodates the elastic body 9, and an output.
- the lower part of the cylindrical part 8a of the part 8 is formed with a through hole 10b into which the lower part can be moved up and down (see FIGS. 18 and 19).
- the lower end portion of the cylindrical portion 8a of the output portion 8 is supported by the through hole 10b via the seal member 14 so as to be accommodated in the vertical direction.
- through holes 10 c are formed, which are fitted with the through holes 3 b of the lower support member 3 and through which fixing bolts are inserted.
- the laminated piezoelectric actuator 2 expands and resists the elastic force of the elastic body 9, and the pressing member 4, the upper connecting member 6, and the pair.
- the displacement transmission member 5 is pushed up, and the output unit 8 is raised. Further, by cutting off the applied voltage, the pressing member 4, the upper connecting member 6 and the pair of displacement transmitting members 5 are returned to the original position by the elastic force of the elastic body 9, and the output unit 8 is also lowered and returned to the original position. To do.
- the lower support member 3, the pressing member 4, the pair of displacement transmission members 5, the upper connecting member 6, the adjusting screw 7, the output unit 8, the elastic body 9, and the bonnet 10 are included in the laminated piezoelectric actuator 2.
- the piezoelectric linear actuator 1 itself is greatly reduced in thickness because it is formed to have the same size as or the same size as the width.
- the piezoelectric linear actuator 1 can be accommodated in a width dimension that is less than half that of the conventional piezoelectric linear actuator 1.
- FIGS. 20 to 22 show a flow control device including the piezoelectric linear actuator 1 having the above configuration.
- the example of FIGS. 20 to 22 is a pressure type flow control device 15, but the basic configuration of the pressure type flow control device 15 is the same as the conventional one, and detailed description thereof will be omitted as appropriate.
- the pressure type flow control device 15 includes a body 16 to which the piezoelectric linear actuator 1 is attached and a flow path 16a formed therein, a valve rod also used as the output unit 8 of the piezoelectric linear actuator 1, and an output unit. 8 and a valve body 17 that opens and closes the flow path 16a of the body 16 by operating a valve rod that is also used as a valve.
- the piezoelectric linear actuator 1 is formed by inserting a fixing bolt 18 through the through holes 3b and 10c formed in the lower support member 3 and the bonnet 10 and screwing the tip end portion of the fixing bolt 18 to the body 16. It is fixed and attached to. Further, a valve body presser 19 made of synthetic resin that presses the valve body 17 is attached to the tip of the output portion 8 constituting the valve stem. Further, the valve body 17 is a metal diaphragm valve body, and an outer peripheral edge thereof is airtightly fixed to the body 16 side by a lower end of the bonnet 10 and an annular presser adapter 20.
- the pressure type flow control device 15 includes an orifice 21 (a gasket type orifice in this embodiment) interposed in the flow path 16a on the downstream side of the valve body 17 and a flow path 16a on the upstream side of the orifice 21.
- An upstream pressure detector 22 that detects pressure
- an inlet-side flow path 24a that is connected to the body 16 via a sealing gasket 23 via a fixing bolt 18 and communicates with the upstream-side flow path 16a of the body 16.
- the inlet side block 24 is connected to the body 16 by a fixing bolt 18 and has an outlet side channel 25a communicating with the channel 16a on the downstream side of the body 16, and the downstream side for detecting the pressure in the outlet side channel 25a.
- An outlet side block 25 provided with the pressure detector 26, and a control device (not shown) for controlling the opening and closing of the piezoelectric drive valve based on the detection values of the pressure detectors 22 and 26; It is equipped with a.
- two fixing bolts 18 are used.
- One fixing bolt 18 is inserted from the inlet side block 24 side, and the other fixing bolt 18 is connected to the body 16 side. (See FIG. 20).
- the two fixing bolts 18 are disposed so as to be opposed to each other, thereby preventing the fixing bolt 18 from interfering with the inlet-side flow path 24a.
- two fixing bolts 18 are used to fix the outlet side block 25 to the body 16.
- One fixing bolt 18 is inserted from the outlet side block 25 side, and the other fixing bolt 18 is inserted into the body 16. It is inserted from the side (see FIG. 20).
- the two fixing bolts 18 are disposed so as to be opposed to each other, thereby preventing the fixing bolt 18 from interfering with the outlet-side flow path 25a.
- the sealing gasket 23 may be a simple gasket but may be a gasket type filter having a filter function.
- a gasket type filter having this filter function cannot be reduced in size (outer diameter is too small) in order to secure a gas flow rate.
- the opposing outer peripheral edge portions of the gasket type filter are cut in parallel, and the width (diameter) of the cut portion of the gasket type filter is the same as that of the body 16 and the inlet side block 24. Fit within the width dimension. Thereby, even if a gasket type filter is used, the pressure type flow control device 15 as a whole can be thinned.
- the piezoelectric drive valve and the upstream pressure detector 22 are arranged to face the body 16, and the gasket type orifice 21 is orthogonal to the piezoelectric drive valve.
- the piezoelectric drive valve disc 17 and the upstream pressure detector 22 are arranged as close as possible, and the gasket type orifice 21 is arranged as close as possible to the piezoelectric drive valve side. Yes.
- the flow passage 16a formed in the body 16 includes a vertical passage portion 16a ′ connected to the upstream pressure detector 22, and a horizontal passage portion 16a ′′ connecting the vertical passage portion 16a ′ and the gasket-type orifice 21.
- the vertical passage portion 16a ′ and the horizontal passage portion 16a ′′ preferably have an inner diameter as small as possible in order to reduce the internal volume thereof.
- each of the vertical passage portion 16a ′ and the horizontal passage portion 16a ′′ has a circular cross-sectional shape and an inner diameter of 0.5 mm to 1.0 mm.
- the body 16, the pressure detectors 22 and 26, the inlet side block 24, and the outlet side block 25 are designed to have substantially the same width as the laminated piezoelectric actuator 2.
- the body 16 the pressure detectors 22 and 26, the inlet side block 24, and the outlet side block 25 are also formed to have substantially the same width as the laminated piezoelectric actuator 2. For this reason, the entire apparatus is reduced in thickness.
- the pressure type flow rate control device 15 has been described.
- the present invention can also be applied to other flow rate control devices using the laminated piezoelectric actuator 2 of the present invention.
- Piezoelectric linear actuator 2 Laminated piezoelectric actuator 2a: Hemispherical convex portion 3: Lower support member 3a: Conical recess 3b: Through hole 4: Press member 4a: Conical recess 4b: Dish recess 4c: Notch groove 5: Displacement transmission member 5a: Guide hole 5b: Locking part 5c: Female screw hole 6: Upper connecting member 6a: Flat plate part 6b: Arc part 6c: Female screw hole 6d: Through hole 6e: Notch groove 7: Adjustment Screw 8: Output part 8a: Cylindrical part 8b: Arm part 8c: Locking groove 8d: Ring groove 9: Elastic body 10: Bonnet 10a: Recess 10b: Through hole 10c: Through hole 11: Parallel pin 12: Set screw 13 : Locking nut 14: Sealing member 15: Pressure type flow control device 16: Body 16a: Flow path 16a ': Vertical passage 16a ": Horizontal passage 17: Valve body 18: Fixing bolt 19: Valve
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Valve Housings (AREA)
- Safety Valves (AREA)
Abstract
Description
前記圧電式リニアアクチュエータが取り付けられ、内部に流路が形成されたボディと、
前記圧電式リニアアクチュエータの前記出力部と兼用の弁棒と、
前記弁棒の操作により前記流路を開閉する弁体と、
を備えることを特徴とする。
前記圧電式リニアアクチュエータが取り付けられ、内部に流路が形成されたボディと、前記出力部と兼用の弁棒と、前記弁棒の操作により前記流路を開閉する弁体とを備える圧電駆動バルブと、
前記圧電駆動バルブを開閉制御する制御装置と、
を備えることを特徴とする。
同様に、出口側ブロック25をボディ16に固定するには、固定ボルト18を2本使用するが、一方の固定ボルト18は出口側ブロック25側から挿入され、もう一方の固定ボルト18はボディ16側から挿入される(図20参照)。このように、2本の固定ボルト18を対向状に配置して使用することで、固定ボルト18が出口側流路25aと干渉することを避けている。
2:積層圧電アクチュエータ
2a:半球状凸部
3:下部支持部材
3a:円錐状窪み部
3b:貫通孔
4:押圧部材
4a:円錐状窪み部
4b:皿状窪み部
4c:切欠溝
5:変位伝達部材
5a:ガイド穴
5b:係止部
5c:雌螺子孔
6:上部連結部材
6a:平板部
6b:円弧部
6c:雌螺子孔
6d:通孔
6e:切欠溝
7:調節螺子
8:出力部
8a:円柱状部
8b:アーム部
8c:係止溝
8d:環状溝
9:弾性体
10:ボンネット
10a:凹部
10b:通孔
10c:貫通孔
11:平行ピン
12:止め螺子
13:緩み止めナット
14:シール部材
15:圧力式流量制御装置
16:ボディ
16a:流路
16a′:垂直通路部
16a″:水平通路部
17:弁体
18:固定ボルト
19:弁体押え
20:押えアダプター
21:オリフィス
22:上流側の圧力検出器
23:ガスケット
24:入口側ブロック
24a:入口側流路
25:出口側ブロック
25a:出口側流路
26:下流側の圧力検出器
Claims (21)
- 円柱状の積層圧電アクチュエータと、前記積層圧電アクチュエータを支持すると共に、該積層圧電アクチュエータの左右側方に延びる下部支持部材と、前記積層圧電アクチュエータの左右両側に沿って延びると共に、前記下部支持部材に対して摺動可能に交差し且つ前記積層圧電アクチュエータの圧電効果による変位を伝達する一対の変位伝達部材と、前記下部支持部材の下方において前記一対の変位伝達部材に係止されて前記両変位伝達部材の下端部同士を連結する出力部とを備えた圧電式リニアアクチュエータであって、前記変位伝達部材のそれぞれは、前記積層圧電アクチュエータの外周面に沿う円弧状内周面を有し且つ円弧状内周面に連なる側面を有する長尺部材状に形成されており、前記各変位伝達部材の下端部に、前記下部支持部材が挿通される縦長のガイド穴が対向状に形成されており、該ガイド穴の下方側の内周縁部に前記出力部が係止されており、前記出力部は、上端部が前記一対の変位伝達部材の下端部間に挿入される円柱状部と、前記円柱状部の外周面に前記下部支持部材に沿って突出形成され、前記一対の変位伝達部材のガイド穴の下方側の内周縁部に係止される一対のアーム部とを備え、前記一対の変位伝達部材の幅寸法が、前記積層圧電アクチュエータの幅寸法と同一若しくは同程度の寸法に形成されていることを特徴とする圧電式リニアアクチュエータ。
- 前記一対の変位伝達部材のガイド穴の下方側の内周縁部を、前記出力部の各アームが係止される係止部とし、前記出力部の各アーム部の下面に、前記係止部に着脱自在に嵌合されて位置決めされる前記係止部と同じ形状の係止溝を形成したことを特徴とする請求項1に記載の圧電式リニアアクチュエータ。
- 前記係止部及び前記係止溝は、平面形状において同一円周上に位置する円弧形状としたことを特徴とする請求項2に記載の圧電式リニアアクチュエータ。
- 前記下部支持部材が連結されるボンネットを更に備え、該ボンネットには、前記一対の変位伝達部材の下端部、前記円柱状部の上部、前記一対のアーム部及び前記弾性体が収容される凹部と、前記円柱状部の下部が摺動可能に挿入される通孔とが形成されていることを特徴とする請求項1に記載の圧電式リニアアクチュエータ。
- 前記出力部は、前記円柱状部の下部外周面に形成した環状溝に嵌合された環状のシール部材を介して前記通孔に摺動可能に支持されていることを特徴とする請求項4に記載の圧電式リニアアクチュエータ。
- 前記ボンネットは、前記積層圧電アクチュエータの幅寸法と同一若しくは同程度の寸法に形成されていることを特徴とする請求項4に記載の圧電式リニアアクチュエータ。
- 円柱状の積層圧電アクチュエータと、前記積層圧電アクチュエータを支持すると共に、該積層圧電アクチュエータの左右側方に延びる下部支持部材と、前記積層圧電アクチュエータの左右両側に沿って延びると共に、前記下部支持部材に対して摺動可能に交差し且つ前記積層圧電アクチュエータの圧電効果による変位を伝達する一対の変位伝達部材と、前記下部支持部材の下方において前記一対の変位伝達部材に係止されて前記両変位伝達部材の下端部同士を連結する出力部とを備えた圧電式リニアアクチュエータであって、前記変位伝達部材のそれぞれは、前記積層圧電アクチュエータの外周面に沿う円弧状内周面を有し且つ円弧状内周面に連なる側面を有する長尺部材状に形成されており、前記各変位伝達部材の下端部に、前記下部支持部材が挿通される縦長のガイド穴が対向状に形成されており、該ガイド穴の下方側の内周縁部に前記出力部が係止されており、前記出力部は、上端部が前記一対の変位伝達部材の下端部間に挿入される円柱状部と、前記円柱状部の外周面に前記下部支持部材に沿って突出形成され、前記一対の変位伝達部材のガイド穴の下方側の内周縁部に係止される一対のアーム部とを備え、前記一対の変位伝達部材の幅寸法が、前記積層圧電アクチュエータの幅寸法と同一若しくは同程度の寸法に形成されている圧電式リニアアクチュエータと、
前記圧電式リニアアクチュエータが取り付けられ、内部に流路が形成されたボディと、
前記圧電式リニアアクチュエータの前記出力部と兼用の弁棒と、
前記弁棒の操作により前記流路を開閉する弁体と、
を備えることを特徴とする圧電駆動バルブ。 - 前記一対の変位伝達部材のガイド穴の下方側の内周縁部を、前記出力部の各アームが係止される係止部とし、前記出力部の各アーム部の下面に、前記係止部に着脱自在に嵌合されて位置決めされる前記係止部と同じ形状の係止溝を形成したことを特徴とする請求項7に記載の圧電駆動バルブ。
- 前記係止部及び前記係止溝は、平面形状において同一円周上に位置する円弧形状としたことを特徴とする請求項8に記載の圧電駆動バルブ。
- 前記下部支持部材が連結されるボンネットを更に備え、該ボンネットには、前記一対の変位伝達部材の下端部、前記円柱状部の上部、前記一対のアーム部及び前記弾性体が収容される凹部と、前記円柱状部の下部が摺動可能に挿入される通孔とが形成されていることを特徴とする請求項7に記載の圧電駆動バルブ。
- 前記出力部は、前記円柱状部の下部外周面に形成した環状溝に嵌合された環状のシール部材を介して前記通孔に摺動可能に支持されていることを特徴とする請求項10に記載の圧電駆動バルブ。
- 前記ボンネットは、前記積層圧電アクチュエータの幅寸法と同一若しくは同程度の寸法に形成されていることを特徴とする請求項10に記載の圧電駆動バルブ。
- 前記弁体が金属ダイヤフラム弁体であることを特徴とする請求項7に記載の圧電駆動バルブ。
- 円柱状の積層圧電アクチュエータと、前記積層圧電アクチュエータを支持すると共に、該積層圧電アクチュエータの左右側方に延びる下部支持部材と、前記積層圧電アクチュエータの左右両側に沿って延びると共に、前記下部支持部材に対して摺動可能に交差し且つ前記積層圧電アクチュエータの圧電効果による変位を伝達する一対の変位伝達部材と、前記下部支持部材の下方において前記一対の変位伝達部材に係止されて前記両変位伝達部材の下端部同士を連結する出力部とを備えた圧電式リニアアクチュエータであって、前記変位伝達部材のそれぞれは、前記積層圧電アクチュエータの外周面に沿う円弧状内周面を有し且つ円弧状内周面に連なる側面を有する長尺部材状に形成されており、前記各変位伝達部材の下端部に、前記下部支持部材が挿通される縦長のガイド穴が対向状に形成されており、該ガイド穴の下方側の内周縁部に前記出力部が係止されており、前記出力部は、上端部が前記一対の変位伝達部材の下端部間に挿入される円柱状部と、前記円柱状部の外周面に前記下部支持部材に沿って突出形成され、前記一対の変位伝達部材のガイド穴の下方側の内周縁部に係止される一対のアーム部とを備え、前記一対の変位伝達部材の幅寸法が、前記積層圧電アクチュエータの幅寸法と同一若しくは同程度の寸法に形成されている圧電式リニアアクチュエータと、
前記圧電式リニアアクチュエータが取り付けられ、内部に流路が形成されたボディと、前記出力部と兼用の弁棒と、前記弁棒の操作により前記流路を開閉する弁体とを備える圧電駆動バルブと、
前記圧電駆動バルブを開閉制御する制御装置と、
を備えることを特徴とする流量制御装置。 - 前記一対の変位伝達部材のガイド穴の下方側の内周縁部を、前記出力部の各アームが係止される係止部とし、前記出力部の各アーム部の下面に、前記係止部に着脱自在に嵌合されて位置決めされる前記係止部と同じ形状の係止溝を形成したことを特徴とする請求項14に記載の流量制御装置。
- 前記係止部及び前記係止溝は、平面形状において同一円周上に位置する円弧形状としたことを特徴とする請求項15に記載の流量制御装置。
- 前記下部支持部材が連結されるボンネットを更に備え、該ボンネットには、前記一対の変位伝達部材の下端部、前記円柱状部の上部、前記一対のアーム部及び前記弾性体が収容される凹部と、前記円柱状部の下部が摺動可能に挿入される通孔とが形成されていることを特徴とする請求項14に記載の流量制御装置。
- 前記出力部は、前記円柱状部の下部外周面に形成した環状溝に嵌合された環状のシール部材を介して前記通孔に摺動可能に支持されていることを特徴とする請求項17に記載の流量制御装置。
- 前記ボンネットは、前記積層圧電アクチュエータの幅寸法と同一若しくは同程度の寸法に形成されていることを特徴とする請求項17に記載の流量制御装置。
- 前記弁体の下流側の流路内に介在されたオリフィスと、前記オリフィスの上流側の流路内の圧力を検出する圧力検出器と、を更に備え、
前記制御装置は、前記圧力検出器の検出値に基づいて前記圧電駆動バルブを開閉制御することを特徴とする請求項14に記載の流量制御装置。 - 前記ボディに連結され、前記ボディの上流側の流路に連通する入口側流路を有する入口側ブロックと、前記ボディに連結され、前記ボディの下流側の流路に連通する出口側流路を有すると共に、前記出口側流路内の圧力を検出する圧力検出器を設けた出口側ブロックと、を更に備えていることを特徴とする請求項14に記載の流量制御装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201680030926.2A CN107925368B (zh) | 2015-08-21 | 2016-08-09 | 压电式线性致动器、压电驱动阀以及流量控制装置 |
KR1020177032126A KR102009242B1 (ko) | 2015-08-21 | 2016-08-09 | 압전식 리니어 액츄에이터, 압전 구동 밸브 및 유량 제어 장치 |
JP2017536210A JP6799859B2 (ja) | 2015-08-21 | 2016-08-09 | 圧電式リニアアクチュエータ、圧電駆動バルブ及び流量制御装置 |
US15/751,422 US10573801B2 (en) | 2015-08-21 | 2016-08-09 | Piezoelectric linear actuator, piezoelectrically driven valve, and flow rate control device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015164201 | 2015-08-21 | ||
JP2015-164201 | 2015-08-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017033423A1 true WO2017033423A1 (ja) | 2017-03-02 |
Family
ID=58099698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2016/003671 WO2017033423A1 (ja) | 2015-08-21 | 2016-08-09 | 圧電式リニアアクチュエータ、圧電駆動バルブ及び流量制御装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10573801B2 (ja) |
JP (1) | JP6799859B2 (ja) |
KR (1) | KR102009242B1 (ja) |
CN (1) | CN107925368B (ja) |
TW (1) | TWI632766B (ja) |
WO (1) | WO2017033423A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019104066A1 (en) | 2017-11-21 | 2019-05-31 | Vistadeltek, Llc | Compact circular linkage for a pushing actuator |
WO2020066491A1 (ja) * | 2018-09-29 | 2020-04-02 | 株式会社フジキン | ダイヤフラムバルブ及び流量制御装置 |
KR20220093210A (ko) | 2019-12-27 | 2022-07-05 | 가부시키가이샤 후지킨 | 다이어프램 밸브, 유량 제어장치, 유체 제어장치, 및 반도체 제조장치 |
CN114784178A (zh) * | 2022-06-22 | 2022-07-22 | 上海隐冠半导体技术有限公司 | 压电致动器及移动装置 |
JP7415628B2 (ja) | 2020-02-07 | 2024-01-17 | Tdk株式会社 | 圧電アクチュエータ |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102210582B1 (ko) * | 2017-09-25 | 2021-02-02 | 가부시키가이샤 후지킨 | 밸브장치, 유량 조정방법, 유체 제어장치, 유량 제어방법, 반도체 제조장치 및 반도체 제조방법 |
JP7262778B2 (ja) * | 2017-11-30 | 2023-04-24 | 株式会社フジキン | バルブ装置、このバルブ装置を用いた流体制御装置および半導体製造装置 |
CN111919053A (zh) * | 2018-03-09 | 2020-11-10 | 株式会社富士金 | 阀装置 |
CN109282073A (zh) * | 2018-09-20 | 2019-01-29 | 北京七星华创流量计有限公司 | 压电阀驱动器以及压电阀 |
JP2020089037A (ja) * | 2018-11-22 | 2020-06-04 | 株式会社堀場エステック | ピエゾアクチュエータ、流体制御バルブ、及び、流体制御装置 |
US11079035B2 (en) * | 2019-07-12 | 2021-08-03 | Pivotal Systems Corporation | Preloaded piezo actuator and gas valve employing the actuator |
JP7045738B1 (ja) * | 2021-03-23 | 2022-04-01 | 株式会社リンテック | 常時閉型流量制御バルブ |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007083439A1 (ja) * | 2006-01-18 | 2007-07-26 | Fujikin Incorporated | ノーマルオープン型の圧電素子駆動式金属ダイヤフラム型制御弁 |
JP2010190430A (ja) * | 2010-05-28 | 2010-09-02 | Fujikin Inc | 圧電素子駆動式金属ダイヤフラム型制御弁 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0434275A (ja) * | 1990-05-26 | 1992-02-05 | Stec Kk | 常閉型流体制御バルブ |
JP3291161B2 (ja) | 1995-06-12 | 2002-06-10 | 株式会社フジキン | 圧力式流量制御装置 |
SE0004733D0 (sv) * | 2000-12-20 | 2000-12-20 | Piezomotor Uppsala Ab | Double bimorph electromechanical element |
JP2002247867A (ja) * | 2001-02-15 | 2002-08-30 | Yutaka Abe | 転動による積層圧電セラミックの変位拡大アクチュエーター |
JP4119109B2 (ja) | 2001-10-17 | 2008-07-16 | 株式会社フジキン | 圧電素子駆動式金属ダイヤフラム型制御弁 |
CN100511746C (zh) * | 2004-09-13 | 2009-07-08 | 株式会社电装 | 压电执行元件 |
JP5177864B2 (ja) * | 2008-06-04 | 2013-04-10 | 株式会社フジキン | 熱式質量流量調整器用自動圧力調整器 |
JP5301983B2 (ja) | 2008-12-26 | 2013-09-25 | 株式会社フジキン | ガスケット型オリフィス及びこれを用いた圧力式流量制御装置 |
JP5669384B2 (ja) * | 2009-12-01 | 2015-02-12 | 株式会社フジキン | 圧電駆動式バルブ及び圧電駆動式流量制御装置 |
EP2649658A4 (en) * | 2010-12-09 | 2014-07-23 | Viking At Llc | TWO-STAGE HIGH SPEED SENSOR OF SMART MATERIAL |
WO2015125438A1 (ja) * | 2014-02-24 | 2015-08-27 | 株式会社フジキン | 圧電式リニアアクチュエータ、圧電駆動バルブ、及び、流量制御装置 |
CN204366662U (zh) * | 2014-12-15 | 2015-06-03 | 吉林大学 | 曲率半径可调式非球面凹透镜加工装置 |
DE102016112115A1 (de) * | 2016-07-01 | 2018-01-04 | Bürkert Werke GmbH | Ventillinearantrieb sowie Ventil |
-
2016
- 2016-08-09 WO PCT/JP2016/003671 patent/WO2017033423A1/ja active Application Filing
- 2016-08-09 CN CN201680030926.2A patent/CN107925368B/zh not_active Expired - Fee Related
- 2016-08-09 US US15/751,422 patent/US10573801B2/en active Active
- 2016-08-09 KR KR1020177032126A patent/KR102009242B1/ko active IP Right Grant
- 2016-08-09 JP JP2017536210A patent/JP6799859B2/ja active Active
- 2016-08-19 TW TW105126599A patent/TWI632766B/zh active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007083439A1 (ja) * | 2006-01-18 | 2007-07-26 | Fujikin Incorporated | ノーマルオープン型の圧電素子駆動式金属ダイヤフラム型制御弁 |
JP2010190430A (ja) * | 2010-05-28 | 2010-09-02 | Fujikin Inc | 圧電素子駆動式金属ダイヤフラム型制御弁 |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3714189A4 (en) * | 2017-11-21 | 2021-09-08 | Illinois Tool Works Inc. | COMPACT CIRCULAR CONNECTION FOR A PUSH ACTUATOR |
CN111684186A (zh) * | 2017-11-21 | 2020-09-18 | 伊利诺斯工具制品有限公司 | 用于推动致动器的紧凑的圆形连杆机构 |
US10428969B2 (en) * | 2017-11-21 | 2019-10-01 | Vistadeltek, Llc | Compact circular linkage for a pushing actuator |
TWI803536B (zh) * | 2017-11-21 | 2023-06-01 | 美商威士塔戴爾泰克有限責任公司 | 用於一推進致動器之緊密圓形連動裝置 |
WO2019104066A1 (en) | 2017-11-21 | 2019-05-31 | Vistadeltek, Llc | Compact circular linkage for a pushing actuator |
JP2021504655A (ja) * | 2017-11-21 | 2021-02-15 | ビスタデルテック,リミティド ライアビリティ カンパニー | プッシュアクチュエーターの小型円形リンク機構 |
US20190271404A1 (en) * | 2017-11-21 | 2019-09-05 | Vistadeltek, Llc | Compact circular linkage for a pushing actuator |
JP7244530B2 (ja) | 2017-11-21 | 2023-03-22 | イリノイ トゥール ワークス インコーポレイティド | プッシュアクチュエーターの小型円形リンク機構 |
KR20210049933A (ko) | 2018-09-29 | 2021-05-06 | 가부시키가이샤 후지킨 | 다이어프램 밸브 및 유량 제어 장치 |
JPWO2020066491A1 (ja) * | 2018-09-29 | 2021-09-02 | 株式会社フジキン | ダイヤフラムバルブ及び流量制御装置 |
WO2020066491A1 (ja) * | 2018-09-29 | 2020-04-02 | 株式会社フジキン | ダイヤフラムバルブ及び流量制御装置 |
US11674603B2 (en) | 2018-09-29 | 2023-06-13 | Fujikin Incorporated | Diaphragm valve and flow rate control device |
JP7360719B2 (ja) | 2018-09-29 | 2023-10-13 | 株式会社フジキン | ダイヤフラムバルブ及び流量制御装置 |
KR20220093210A (ko) | 2019-12-27 | 2022-07-05 | 가부시키가이샤 후지킨 | 다이어프램 밸브, 유량 제어장치, 유체 제어장치, 및 반도체 제조장치 |
JP7415628B2 (ja) | 2020-02-07 | 2024-01-17 | Tdk株式会社 | 圧電アクチュエータ |
CN114784178A (zh) * | 2022-06-22 | 2022-07-22 | 上海隐冠半导体技术有限公司 | 压电致动器及移动装置 |
Also Published As
Publication number | Publication date |
---|---|
JP6799859B2 (ja) | 2020-12-16 |
JPWO2017033423A1 (ja) | 2018-06-07 |
US20180240961A1 (en) | 2018-08-23 |
TW201722057A (zh) | 2017-06-16 |
KR20170134678A (ko) | 2017-12-06 |
KR102009242B1 (ko) | 2019-08-09 |
CN107925368A (zh) | 2018-04-17 |
CN107925368B (zh) | 2019-06-18 |
US10573801B2 (en) | 2020-02-25 |
TWI632766B (zh) | 2018-08-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2017033423A1 (ja) | 圧電式リニアアクチュエータ、圧電駆動バルブ及び流量制御装置 | |
US10156295B2 (en) | Piezoelectric linear actuator, piezoelectrically driven valve, and flow rate control device | |
US10174858B2 (en) | Piezoelectric element-driven valve and flow rate control device including piezoelectric element-driven valve | |
RU2526900C2 (ru) | Встраиваемый регулятор давления | |
JP5508875B2 (ja) | 流体制御器および流量制御装置 | |
JP6030474B2 (ja) | 流量調整装置 | |
KR20150024789A (ko) | 감압 밸브 | |
US11674603B2 (en) | Diaphragm valve and flow rate control device | |
US6668855B2 (en) | Direct-acting pressure regulator | |
US11892100B2 (en) | Diaphragm valve, flow control device, fluid control device, and semiconductor manufacturing device | |
US10578186B2 (en) | Spring seat vibration damper apparatus for use with pressure regulators | |
JP2020056430A (ja) | ダイヤフラムバルブ及び流量制御装置 | |
US6971403B2 (en) | Direct-acting pressure regulator | |
US20020079474A1 (en) | Elliptical valve with nominal flow adjustment | |
KR20230035405A (ko) | 압력 센서용의 커버 부품 및 이것을 구비하는 압력 센서 장치 | |
KR20150022438A (ko) | 유량 제어 밸브 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 16838774 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2017536210 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 20177032126 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15751422 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 16838774 Country of ref document: EP Kind code of ref document: A1 |