CN102444743B - Volume booster with stabilized trim - Google Patents

Abstract

A fluid flow control device having a body having a inlet connection, an outlet connection, a discharge port and a booster module disposed within the body. The booster module including a control element and an actuator element having a noise - reducing trim element with a supply path extending between the inlet connection and the outlet connection and an exhaust path extending between the outlet connection and the discharge port. The noise - reducing trim element being coupled immediately adjacent to the discharge port such that the noise - reducing trim element distributes a fluid flow to the discharge port via the exhaust path into a plurality of fluid jets to substantially inhibit jet recombination at the discharge port.

Description

There is the supercharger of noise reduction internals

Cross-Reference to Related Applications

The application is the 12/882nd, No. 549, September in 2010 submission on the 15th, entitled " having the supercharger of stabilized trim " U.S. Patent application continuation-in-part application, and here is incorporated as reference.

Technical field

The application is related to fluid flow control system, more particularly, to for improving in fluid flow control system Control the supercharger (volume booster) of valve performance.

Background technology

System for controlling the flowing of the fluids such as compressed air, natural gas, oil, propane is usual in the art It is known.Those systems usually include the control valve of at least one various flow parameter for controlling fluid.Typical control Valve processed includes being movably disposed in flow path, to control the control element of the flowing of fluid, such as valve plug.As this area In known, can by localizer via pneumatic actuator, such as piston actuater or the actuator based on barrier film, to control The position of this control element.Pneumatic signal is sent to actuator via supply fluid by traditional localizer, for example to make control The control element of valve processed moves back and forth between the open and closed positions.The speed component ground of control valve impact depends on actuator Size and the flowing being included in the supply fluid in pneumatic signal.For example, when the localizer of the stream output such as use, larger Actuator/control valve typically require longer time to impact.

Therefore, this system is extraly using one or more superchargers between localizer and actuator.This increasing Depressor is used for increasing the amount of supply fluid according to the pneumatic signal from localizer, thus increases actuator impulsive control valve Control element when speed.Specifically, it will be apparent to an ordinarily skilled person in the art that supercharger is connected fluid supply And valve actuator between.Supercharger is limited using air-flow and makes, compare and be reflected in actuator, larger input signal Change can quickly be reflected on supercharger input barrier film.Larger, the unexpected change of input signal causes in supercharger Input signal and output signal between there is pressure reduction.When this happens, booster diaphragm movement is to open or feed end Mouth or discharge port, whichever action is all to reduce required for pressure reduction.This port stays open, until in supercharger input Pressure reduction and output between is back in the range of the pre-setting of supercharger.It is steady to provide that booster adjustment device can be set Fixed operation (that is, having little amplitude and the signal of speed change passes through supercharger and enters actuator, and does not cause increasing Depressor runs).

However, traditional booster design is susceptible to the effect of noise causing that flows.It is generally known that the fluid of high speed Miscarriage life due to injection (jet) or is flow through pipeline or is left the noise that other high concentration fluid streams interaction of eyelet causes. Noise muffler can be affixed to this kind of device, substantially to reduce the noise of such generation.However, this noise muffler The exit point being generally adjacent to fluid or the downstream being located immediately at exit point.It can be unfavorable for so installing configuration.For example, The downstream that noise muffler is placed in supercharger can cause the pressure on diaphragm assembly to invert, and this will substantially limit barrier film The life-span of assembly.Additionally, at the downstream of the noise port of export, pressure reduction is maximum, and therefore fluid velocity highest is it may occur that spray Penetrate compound (jet recombination), this will lead to larger sound pressure level (that is, higher or louder noise).

Content of the invention

The technical problem to be solved is how to control by such as fluid distributing apparatuss or other fluid hoses The flowing of the fluid of the system of reason system.One embodiment of the application provides fluid flow control device, and it includes main body, It has, and entrance connects, outlet connects, and bleed outlet；And inclusion charger module, it is arranged in described main body, described The actuator component that charger module includes control element and has noise reduction internals, described charger module have described enter The feed lines that mouth connection is extended between being connected with described outlet, and extension between described outlet connection and described bleed outlet Discharge path, described noise reduction internals operatively, are closely coupled to described bleed outlet, so that described noise reduction internals will be via Described discharge path distributes to multiple fluid injections to the flow of fluid of described bleed outlet, substantially to stop in described bleed outlet The injection at place is combined.

In one embodiment, described actuator component includes diaphragm assembly.

In one embodiment, described diaphragm assembly includes manifold and the first and second barrier films.

In one embodiment, described manifold includes the support member with multiple passages, and has multiple passages Outer cylindrical section.

In one embodiment, described noise reduction internals include multiple passages, and it is arranged to distribute by the plurality of logical The flow of fluid in road, substantially to stop the interaction of flow of fluid injection.

In one embodiment, described noise reduction internals include hollow cylinder, and described hollow cylinder has via multiple through holes The inner surface being in fluid communication and outer surface.

In one embodiment, the cross section of the through hole of the passage of described support member is more than described Outer cylindrical section Passage cross section, and described device also includes containment member.

In one embodiment, described upper containment member is affixed to described support member via the connector of swaged.

In one embodiment, a kind of fluid flow control device, comprising: main body, has entrance and connects, exports connection, And bleed outlet；And charger module, it is arranged in described main body, and described charger module includes control element and cause Dynamic device element, described charger module has the feed lines extending between described entrance is connected and is connected with described outlet, with And connect, in described outlet, the discharge path extending and described bleed outlet between, so that described actuator component also includes barrier film group Part is that described diaphragm assembly includes being operatively coupled to described control element and be arranged on the fluid in described discharge path Decompressor, substantially to eliminate the reversion of the pressure on described diaphragm assembly.

In one embodiment, described diaphragm assembly also includes manifold and the first and second barrier films.

In one embodiment, described fluid pressure reduction device includes the support member with multiple passages and has multiple logical The Outer cylindrical section in road.

In one embodiment, described discharge path terminates at described bleed outlet, and described fluid pressure reduction device sets Put the upstream in described bleed outlet.

In one embodiment, described fluid pressure reduction device includes hollow cylinder, and described hollow cylinder has via multiple The inner surface of vented liquid connection and outer surface.

In one embodiment, the cross section of the passage of described support member is more than the passage of described Outer cylindrical section Cross section, and described device also includes containment member.

In one embodiment, described upper containment member is affixed to described support member via the connector of swaged.

In one embodiment, a kind of fluid flow arrangements, comprising: main body, have entrance and connect, export connection, and Bleed outlet；And charger module, it is arranged in described main body, and described charger module includes control element and actuator Element, described charger module has the feed lines extending between described entrance is connected and is connected with described outlet, Yi Ji Described outlet connects the discharge path extending and described bleed outlet between, and wherein, described actuator component includes being operatively coupled to To the diaphragm assembly of described control element, described diaphragm assembly comprise barrier film and lower diaphragm plate, upper support plate and lower support plate, with And it is attached to Outer cylindrical section between described upper support plate and described lower support plate, with top diaphragm plate and diaphragm plate Between predetermined space is provided, and maintain the substantial parallel orientation between described plate.

In one embodiment, described Outer cylindrical section have upper surface in substantially parallel orientation and under Surface.

In one embodiment, described upper support plate and described lower support plate have corresponding annular recess, with operatively Accommodate the described upper surface of described Outer cylindrical section and described lower surface.

Brief description

Fig. 1 shows single action spring and build, membrane activated device assembly including supercharger according to the principle of the application Schematic diagram；

Fig. 2 shows the cross-sectional side view of the embodiment of supercharger that the principle according to the application builds；And

Fig. 3 shows the cross-sectional side view of the embodiment of diaphragm assembly that the principle according to the application builds.

Specific embodiment

Example described herein, that is, embodiment be not intended to limit or limit the scope of the invention to disclosed one or In multiple accurate forms.But, select following explanations to be used for one or more for those of ordinary skill in the art's offer The example of preferred embodiment.

Fig. 1 provides single action spring and the schematic diagram of the membrane activated device assembly 10 building according to the principle of the application.Tool Body ground, actuator 10 includes actuator 12, localizer 14 and supercharger 16.In the embodiment disclosed, actuator 10 are also illustrated as being fluidly coupled to actuator 18.Actuator 12 is suitable to may be operably coupled to control valve (not shown), this control Valve processed is assembled with moveable control element, passes through such as fluid distributing apparatuss or other fluid management systems for for example controlling The flowing of the fluid of system of system.

Again referring to Fig. 1, supercharger 16 includes entrance and connects 30, outlet connection 32, controls connection 34 and bleed outlet 36. Localizer 14 includes entrance 38 and outlet 40.Actuator 12 includes actuator supply port 42.Actuator 12, localizer 14, increasing Depressor 16 and actuator 18 are interconnected via multiple fluid lines.Specifically, actuator 18 is via supply line l1 and localizer 14 and supercharger 16 be in fluid communication, this supply line l1 is divided into the first supply line l1 ' and the second supply line l1 ".Localizer 14 Outlet 40 is connected 34 fluid communication via output signal line l2 with the control of supercharger 16.The outlet of supercharger 16 connect 32 via Control line l3 is in fluid communication with the actuator supply port 42 of actuator 12.

Following article more detailed description, the first supply line l1 ' is suitable to supply pressure is sent to the entrance 38 of localizer 14, and And the second supply line l1 " be suitable to be sent to the entrance of supercharger 16 and connect 30 supply pressure.Supply pressure can be via regulation Device 18 is provided to supply line l1 by the pressure source from such as compressor.Additionally, localizer 14 is suitable to via output signal Line l2 provides pneumatic control signal to supercharger 16, to control the operation of actuator 12.

For example, based on the signal of telecommunication being received from controller 20 via electrical connection e1, localizer 14 is via output signal line l2 The control that pneumatic signal is sent to supercharger 16 connects 34.Pneumatic signal passes through supercharger 16, to drive actuator 12 to cause Dynamic control valve (not shown).Typically, localizer 14 is suitable to produce the pneumatic signal of the stream of appropriateness relatively.Therefore, depending on cause The size of dynamic device 12 and/or the desired speed of actuator 12 impulsive control valve, as described below, supercharger 16 can run with Pneumatic signal is increased by the additional flow of fluid from supply line l1.

In FIG in shown embodiment, actuator 12 includes failed actuator, and it includes being included in barrier film shell 26 Spring 24 and barrier film 22.This barrier film shell 26 is formed by upper casing 26a and lower casing 26b, and described upper casing 26a and lower casing 26b produce respectively Give birth to the epicoele 25a near barrier film 22 and cavity of resorption 25b.Spring 24 is arranged in the cavity of resorption 25b of shell 26, and towards upper offset Barrier film 22.Therefore, when localizer 14 sends pneumatic signal to supercharger 16 via output signal line 12, air-flow is introduced into In the upper casing 25a of actuator 12, thus move barrier film 22 down.Subsequently, this movement directed downwardly is converted into associated control The corresponding movement of the control element of valve (not shown), as understood in the art.

Preferably, shell 26 includes one or more floss holes 28, when barrier film 22 moves down, to be included in cavity of resorption Fluid in 25b discharges shell 26.The movement that barrier film 22 faces upward or downward is easy in this kind of discharge.For impact actuator 12 upward, Pneumatic signal is discharged into supercharger 16 by localizer 14, so that spring 24 is moved upwardly by barrier film 22.When barrier film 22 is moved upwardly by, Pressure in the epicoele 25a of shell 26 for the accumulation is discharged to air via the bleed outlet 36 of control line l3, supercharger 16, and discharges Mouth 28 draws air in lower casing 26b.Barrier film 22 movement upward should be easy to the discharge of air.

With reference now to Fig. 2, by an embodiment of the supercharger 16 shown in description Fig. 1.Generally, supercharger 16 includes leading Body 44, charger module 45 and booster adjustment device 52.Main body 44 generally includes bottom 54, cap 56 and shim portions 58.Charger module generally includes trim assemblies 46, control element 48, diaphragm assembly 50 and biasing assembly 49.Main body 44 Bottom 54 limits entrance and connects 30 and outlet connection 32.Additionally, bottom 54 limits booster module trim opening 60, entrance cavity Room 62, outlet chamber 64, zone line 66, discharge chamber 68 and bypass channel 69.Zone line 66 is arranged on entrance cavity Between room 62 and outlet chamber 64, and generally restriction includes lower connecting plate 70 and the cylindrical cavity of upper junction plate 72.As incited somebody to action To be described, upper junction plate 72 includes threaded cylinder open, and it is used for accommodating the appropriate section of trim assemblies 46.Similar Ground, booster module trim opening 60 includes cylinder open, and it is used for accommodating a part for trim assemblies 46.The lid of main body 44 Portion 56 is arranged on the opposite that shim portions 58 are with respect to bottom 54, thus as illustrated, shim portions 58 are attached to bottom Between 54 and cap 56.As shown in Fig. 2 cap 56 partly limits support vestibule 51, it is slideably received within biasing assembly 49 At least a portion.

With continued reference to Fig. 2, trim component 76 is discharged in the supply that trim assemblies 46 include single entry.In the embodiment disclosed, The spring base 74 that trim component 76 includes cylinder is discharged in supply, and it is removably threaded into supply and discharges trim component 76.Supply Trim component 74 also includes spring base 84.Additionally, as shown in Fig. 2 supply trim component 74 includes guide bore 85, it has First annular space 71.Guide bore 85 slideably received within a part for the control element 48 in first annular space 71, with Guiding control element 48 and the operation of stabilising arrangement.Supply trim component 74 is further defined by cannelure 89, and it is formed at guide bore On 85 medial wall 85a.Groove 89 accommodates elastic ring 91, and it can for example include the rubber o- ring lubricating.Marginal portion 61 includes Extend radially across multiple passages 86 of marginal portion 61.In the illustrated embodiment, passage 86 includes cylindrical bore.Therefore, Passage 86 extends along the axle of the axle being essentially perpendicular to marginal portion 61.So configure, (do not show when supply port is opened Go out), supply trim component 74 marginal portion 61 limit by main body 44, from feeding chamber 62 to the fluid of outlet chamber 64 Flowing.Discharge trim component 76 and include cylindrical bush, it is removedly screwed into the upper junction plate of the zone line 56 of main body 44 72 cylinder open.Discharge trim component 76 to include flange portion 88, limiter part 90, marginal portion 92 and prop up Hold part 94.

The flange portion 88 discharging trim component 76 is arranged in the discharge chamber 68 of main body 44, and is close to connection Plate 72.Limiter part 90 includes generally solid cylindrical member, and it is arranged in the cylinder open of upper junction plate 72, And limit multiple passing aways 96 and control opening 97.In the illustrated embodiment, the passage 96 in limiter part 90 wraps Include cylindrical bore, it passes through discharge trim component 76 and axially extends.Marginal portion 92 is from limiter part 90 extends into Between region 56, and limit multiple windows 98.So configure, the multiple passages 96 in limiter part 90 provide in outlet plenum Via the stable fluid communication of the multiple passages 96 in limiter part 90 between room 64 and discharge chamber 68.

The support section 94 of discharge trim component 76 includes cylindrical member generally, and it is arranged on the lower company of main body 44 In the cylinder open of fishplate bar 70.Support section 94 limits center bor 100 and valve seat 102.Center bor 100 here is defined " supply port " for supercharger 16.In the embodiment disclosed, support section 94 also includes outer annular recess 104, its appearance Receive the sealing member 106 of such as o ring.Sealing member 106 provide discharge trim component 76 support section 94 and lower connecting plate 70 it Between fluid tight.

As shown in Fig. 2 the control element 48 of the disclosed embodiment of supercharger 16 includes control element 48, it comprises to supply Plug 108, draw-off plug 110 and bar 112.Bar 112 includes middle body 112a and guide part 112b.Middle body 112a exists Extend between supply plug 108 and draw-off plug 110, and supply plug 108 is connected to draw-off plug 110, and middle body 112a It is slidably disposed in the control opening 97 of limiter part 90 discharging trim component 76.So configure, draw-off plug 110 are arranged in the discharge chamber 68 of main body 44, and supply plug and 108 be arranged in the feeding chamber 62 of main body 44.More Specifically, supply plug 108 is arranged on the inside of the marginal portion 80 of supply trim component 74, and by spring 114 away from supply Trim component 74 biases.Spring 114 abuts the spring base 84 of supply trim component 74.The confession of spring 114 offset control 48 108 should be filled in, so that supply plug 108 is engaged with the valve seat 102 of the support section 94 discharging trim component 76, thereby turn off " supply Port " 100.In the embodiment disclosed, each in supply and draw-off plug 108,110 includes the cylinder-shaped body of taper, its Limit the seating surface of truncated cone.It is of course also possible to realize other shapes to meet required purpose.

Additionally, the targeting part 112b of bar 112 is slidably disposed in the guide bore 85 of supply trim component 74, So that elastic ring 91 is arranged between targeting part 112b and guide bore 85.Arranged so, elastic ring 91 creates in bar Frictional force between 112 targeting part 112b and guide bore 85, shakes to eliminate and to produce less in supercharger 16 The ability of the axial location of dynamic impact control element 48.Additionally, elastic ring 91 can be in the targeting part 112b of bar 112 and guiding It is radially compressed between vestibule 85, so that elastic ring 91 is used for making targeting part 112b placed in the middle, and eliminate generation in supercharger Vibration in 16, this vibration also can affect the lateral attitude of bar 112.

The shim portions 58 of the main body 44 of supercharger 16 are positioned between cap 56 and bottom 54.Normally, gasket part 58 are divided to include annular ring, it limits radial direction through hole, and it includes the bleed outlet 36 of supercharger 16.Additionally, shim portions 58 limit Axially extending bore 116, it is alignd with the bypass passageways 69 of the bottom 54 of main body 44.As described below, bleed outlet 36 is via diaphragm assembly 50 provide the fluid communication discharged between chamber 68 and air in the bottom 54 of main body 44.

With reference now to Fig. 2 and Fig. 3, diaphragm assembly 50 includes the floating being placed between the first and second barrier films 122,124 Manifold 120.First barrier film 122 includes the elastic diaphragm being made up of known diaphragm material, and include periphery 122a and Middle body 122b.Periphery 122a is compressed between the shim portions 58 of the main body 44 of cap 56 and supercharger 16.Attached Plus ground, periphery 122a restriction opening 126, it is alignd with the axially extending bore 116 of shim portions 58.Second barrier film 124 is similar to Ground includes the elastic diaphragm being made up of known diaphragm material, and includes periphery 124a and middle body 124b.Second The periphery 124a of barrier film 124 is compressed between the bottom 54 of shim portions 58 and main body 44.Periphery 124a adds Ground limits opening 129, and it is alignd with the axially extending bore 116 of shim portions 58.Middle body 122b, 124b are further defined by central opening 131a、131b.Following article will describe ground in detail, and manifold 120 is arranged on the middle body of the first and second barrier films 122,124 122b, 124b, to limit circular passage 127 between the shim portions 58 of manifold 120 and main body 44.

Manifold 120 includes disc-shaped component, and it is movably disposed at the inside of the shim portions 58 of main body 44.Manifold 120 Including support member 135, and upper containment member 145, upper support plate 155 and lower support plate 156, and Outer cylindrical section 165.Support member 135 limits axially open 128, inner chamber 130 and multiple inner radial passage 132 (that is, in support member Through hole).Axially open 128 is alignd with central opening 131a, 131b in barrier film 122,124, and here is defined as increasing " discharge port " of depressor 16.Support member 135 limits valve seat 137.Axially open 128 provides the row of the bottom 54 in main body 44 Go out the fluid communication between chamber 68 and the inner chamber 130 of manifold 120.Inner radial passage 132 provides the inner chamber in manifold 120 Fluid communication between 130 and the circular passage 127 being arranged between manifold 120 and the shim portions 58 of main body 44.Additionally, Upper and lower support plate 155,156 includes annular recess 175,176, and Outer cylindrical section 165 is coupled to each support plate 155th, 156, and upper and lower support plate 155,156 by swaged forging as shown by conical region 148 or other are any of And the method for attachment being suitable for can be affixed to support member 135 and upper containment member 145.

Again referring to Fig. 3, manifold 120 provides supreme and lower diaphragm plate 122,124 coupled connection mechanism.I.e., as the aforementioned, manifold 120 and barrier film 122,124 pass through via upper and lower plate 155,156 and Outer cylindrical section 165 by barrier film 131a, 131b Centre part is attached between containment member 145 and support member 135, defines diaphragm assembly 50.Barrier film 122,124 is via bullet Property annular seal 133a, 133b are further sealed, and elastic annular seal 133a, 133b are set individually and upper and lower support Plate 175,176 is close to.That is, upper and lower surface 181a, 181b of Outer cylindrical section 165 are substantial parallel, and engage ring The corresponding parallel surfaces of shape recess 175,176.The height of Outer cylindrical section 165 is the height pre-setting, with fortune The separation between upper and lower barrier film 122,124 is maintained between the departure date.Outer cylindrical section 165 can also substantially reduce by being pressurized The aerodynamic noise that device 10 produces.

That is, Outer cylindrical section 165 includes multiple passages (that is, the exterior cylindrical from inner surface 185 to outer surface 195 Shape partly in through hole).Multiple passages provide for fluid from discharge port the emission path to the flowing of bleed outlet 36.Pass through Separate the fluid injection discharged, Outer cylindrical section 165 substantially reduces the interaction discharging injection stream it is known that this work Produce aerodynamic noise with meeting in fluid flow control device.Further, as previously mentioned, embodiment described herein eliminates Known problem in booster design: diaphragm pressure reversion.

When traditional noise muffler is located at the downstream of bleed outlet, generally there is diaphragm pressure reversion.Traditional noise Attenuator can cause the back pressure on barrier film to reach the pressure reduction on barrier film enough to reverse the degree of the vortex in membrane surface.Should fall Turn and larger pressure is created on barrier film, this can cause premature failure.In the present embodiment, the noise being provided by manifold 120 Decay is positioned in the upstream of bleed outlet 36, and is therefore substantially difficult to be reversed and affected by pressure reversion and barrier film.

With reference to Fig. 2, axially open 128 provides the inner chamber 130 discharging chamber 68 and manifold 120 in the bottom 54 of main body 44 Between fluid communication.Additionally, inner radial passage 132 provides inner chamber 130 in manifold 120 and is arranged on manifold 120 and main The fluid communication between circular passage 127 between the shim portions 58 of body 44.The cap 56 of the main body 44 of supercharger 16 includes Control the threaded vestibule 138 connecting 34 and being connected by fluid passage 140.

As shown in Fig. 2 and as described above, the present embodiment of supercharger 16 includes being arranged on diaphragm assembly 50 and main body 44 Cap 56 between biasing assembly 49.Generally, diaphragm assembly 50 is biased by biasing assembly 49 away from cap 56, to be arranged on The draw-off plug 110 of the valve seat 137 Engagement Control element 46 of the support member 135 in the axially open 128 of manifold 120.This joint Close discharge port 128.

Biasing assembly 49 includes spring base 53 and spring 55.Spring base 53 includes support rotor (seating cup) 57, its bag Include lower wall 59 and side wall 61, it limits the chamber 63 between them.In one embodiment, side wall 61 can be cylindrical side Wall, thus limits the chamber 63 of cylinder.Support rotor 57 is arranged between the cap 56 of main body 44 and diaphragm assembly 50, so that under Wall 59 contacts a part for diaphragm assembly 50, and side wall 61 is slidably disposed in the support vestibule 51 of cap 56.As figure Shown, spring 55 includes helical spring, and it is arranged in the chamber 63 of support rotor 57, and with the cap 56 of main body 44 in support The lower wall 59 of cup 57 engages.So configure, spring 55 biases support rotor 57 and diaphragm assembly 50 away from cap 56.

Again as shown in Figure 2, biasing assembly 49 includes elastic ring 65, and it is arranged on the side wall 61 of support rotor 57 and main body 44 The medial wall 51b of the support vestibule 51 of cap 56 between.More specifically, the side wall 61 of support rotor 57 limits in outer surface 61a Cannelure 67.Groove 67 clamps elastic ring 65, and can include the rubber o type ring lubricating.In other embodiments, groove 67 energy Enough it is formed in the side wall 51a supporting vestibule 51, for clamping elastic ring 65.So configure, elastic ring 65 provides to be supported Frictional force between cup 57 and support vestibule 51, eliminates shaking of the less amplitude being produced by diaphragm assembly 50 to be in operation Dynamic.

As described above, in order to order about actuator 12 down, localizer 14 sends pneumatic signal to supercharger 16.Depend on The flowing of pneumatic signal, pneumatic signal orders about actuator 12, or the supercharger 16 that pneumatic signal activation is supplemented by fluid in itself, This fluid is supplied by actuator 18.For example, as described below, if pneumatic signal is not enough to activate supercharger 16, fluid is from control Connect 34, by the fluid passage 140 in cap 56, exceed booster adjustment device 52, the axial direction in shim portions 58 Through hole 116, and the bypass passageways 69 by the bottom 54 of main body 44, flow to the outlet chamber 64 of the bottom 54 of main body 44.From There, fluid connects 32 via outlet and leaves main body 44, and enters the actuator supply port 42 of actuator 12, with towards moving down Dynamic barrier film 22.Although pneumatic signal orders about actuator 12, this signal is also provided to be limited by the cap 56 of main body 44 Signal chamber 142.Additionally, stable pneumatic supply is constantly provided the supply of the bottom 54 to main body 44 from actuator 18 Chamber 62 (as shown in Figure 1).

In order to describe purpose, the pressure reduction on supercharger 16 is defined as the pressure reduction on diaphragm assembly 50, that is, in letter Number chamber 142 and discharge the pressure reduction between chamber 68.Because the outlet chamber 64 discharging chamber 68 with the bottom 54 of main body 44 connects (passing away 96 via discharge in trim component 76) is in fluid communication continuously, can so think, the pressure reduction on supercharger 16 It is defined as the pressure reduction between signal chamber 142 and outlet chamber 64.

If the pressure reduction on supercharger 16 is less, supercharger is maintained at static or neutrality state, in this state, control The supply of element 48 processed and draw-off plug 108,110 are still located at substantially zero flowing or closed position, as shown in Fig. 2 wherein, each Plug sealingly engages the valve seat 102,137 of corresponding supply and discharge port 100,128.Arranged so, diaphragm assembly 50 In static unloading or neutral position.Engage with supply port 110 also by spring 114 biasing supply plug 108, and spring 55 is inclined Put diaphragm assembly 50 to engage to assist this position with draw-off plug 110.On the contrary, the larger pressure reduction on supercharger 16 is sufficiently large Face upward or downward mobile control element with impact diaphragm assembly 50 or with the direction with respect to the supercharger 16 shown in Fig. 2 48.

As illustrated in fig. 1 and 2, when controller 20 order localizer 14 impact actuator 12 upward, localizer 14 passes through more Change pressure reduction on diaphragm assembly 50 to respond, by supercharger 16 from its static move away.For example, it is sent to supercharger 16 Pneumatic signal reduce.This causes the pressure in signal chamber 142 to be decreased below the pressure in outlet chamber 64.Work as spring 114 upward offset control 48 when, diaphragm assembly 50 upward so that supply plug 108 sealing supply ports 100 valve seats 102, thus keep the closing of feed lines.

When feed lines are closed, control element 48 can not upward, but the back pressure from outlet chamber 64 overcomes bullet Diaphragm assembly 50 is further moved upwardly by by the power of spring 136.This mobile diaphragm assembly 50 is away from the draw-off plug of control element 48 110, and open discharge port 128, to produce " discharge " state.When discharge port 128 is opened, supercharger 16 is limited to out " discharge path " between oral chamber 64 and bleed outlet 36.That is, the pressure fluid in outlet chamber 64 is via discharge internals portion Passage 96 in part 76 flows to discharge chamber 68, subsequently flows to the central chamber 130 of manifold 120 via discharge port 128, flows through discrimination Inner radial passage 132 in pipe 120, and flow out bleed outlet 36, flow in air.

When controller 20 order localizer 14 impact actuator 12 down, localizer 14 passes through to change on diaphragm assembly 50 Pressure reduction responding, by supercharger 16 from its static move away.For example, in run duration, when in signal chamber 142 When pressure is substantially greater than the pressure discharged in chamber 68, such as when high flow of fluid is delivered to control connection 34 by localizer 14 When, positive pressure differential will be obtained.As depicted in figs. 1 and 2, when controller 20 drives localizer 14, with impact actuator down When 12, this can occur.Diaphragm assembly 50 is promoted by high flow of fluid down, and this will move control element 48 down, thus protect Hold draw-off plug 110 to close with respect to discharge port 128, and thus will be mobile away from supply port 100 for supply plug 108.

Therefore, supercharger 16 operates in " input " state, and then opens " feed lines ", and this will via supercharger 16 Flow of fluid provides to actuator 12 from actuator 18.Specifically, the fluid carrying out self tuning regulator 18 flows into feeding chamber 62, subsequently Flow through supply port 100 and outlet chamber 64, connect 32 via outlet and flow to actuator 12.And, because outlet chamber 64 warp Constantly it is in fluid communication with discharging chamber 68 by the passing away 96 discharged in trim component 76, so in common chamber 64 Pressure is also reflected on the second barrier film 124 of diaphragm assembly 50.

When supercharger 16 is run in feed lines or in the case of being opened with discharge path, fluid flows through device.Once Complete ordered action, such as face upward or downward impact, supercharger 16 can return to its static or neutrality state, this state In, the supply of control element 48 and draw-off plug 108,110 are still located at substantially zero flowing or closed position, as shown in Figure 2.

According to aforesaid description, the scope of the present invention is not limited to specific embodiment described referring to the drawings, is also not necessarily limited to Various alternative embodiment described herein, but, it is limited to the spirit of any invention comprising and being limited by the claims below Embodiment.

Claims (16)

1. a kind of fluid flow control device, comprising:

Main body, has entrance and connects, exports connection, and bleed outlet；And

Charger module, it is arranged in described main body, and described charger module includes control element and has diaphragm assembly With the actuator component of noise reduction internals, described charger module have described entrance connect with described outlet is connected between extension Feed lines and connect, in described outlet, the discharge path extending and described bleed outlet between, described diaphragm assembly includes discrimination Pipe and the first barrier film and the second barrier film, described manifold includes the support member with multiple passages, and described noise reduction internals Operatively, closely it is coupled to described bleed outlet, described manifold includes the Outer cylindrical section with multiple passages, described Multiple passages of Outer cylindrical section be arranged with by via described discharge path to described bleed outlet by described outside The flow of fluid of multiple passages of cylindrical part is distributed to multiple fluid injections, substantially to stop at described bleed outlet The interaction of jet flow.

2. device according to claim 1 is it is characterised in that described Outer cylindrical section includes hollow cylinder, described Hollow cylinder has inner surface and outer surface via the connection of multiple vented liquids.

3. device according to claim 1 is it is characterised in that the cross section of the through hole of the passage of described support member is more than The cross section of the through hole of described passage of described Outer cylindrical section.

4. device according to claim 1 is it is characterised in that also include containment member.

5. device according to claim 4 is it is characterised in that described upper containment member is attached via the connector of swaged To described support member.

6. device according to claim 1 is it is characterised in that described support member extends through described first barrier film and The mid portion of at least one of two barrier films.

7. a kind of fluid flow control device, comprising:

Main body, has entrance and connects, exports connection, and bleed outlet；And

Charger module, it is arranged in described main body, and described charger module includes control element and actuator component, institute State charger module and there are the feed lines extending between described entrance is connected and is connected with described outlet, and in described outlet Connect the discharge path extending and described bleed outlet between, described actuator component also includes diaphragm assembly, described diaphragm assembly Including fluid pressure reduction device, described fluid pressure reduction device includes the support member with multiple passages and has the outer of multiple passages Portion's cylindrical part, described fluid pressure reduction device is operatively coupled to described control element and is arranged on described discharge path Interior, substantially to eliminate the reversion of the pressure on described diaphragm assembly.

8. device according to claim 7 is it is characterised in that described diaphragm assembly also includes manifold and is coupled to described First barrier film of manifold and the second barrier film.

9. device according to claim 8 is it is characterised in that described discharge path terminates at described bleed outlet, and Described fluid pressure reduction device is arranged on the upstream of described first barrier film and the second barrier film.

10. device according to claim 7 is it is characterised in that described Outer cylindrical section includes hollow cylinder, described Hollow cylinder has inner surface and outer surface via the connection of multiple vented liquids.

11. devices according to claim 7 it is characterised in that the through hole of described passage of described support member transversal Face is more than the cross section of the through hole of described passage of described Outer cylindrical section.

12. devices according to claim 7 are it is characterised in that also include containment member.

13. devices according to claim 12 are it is characterised in that described upper containment member is attached via the connector of swaged Add to described support member.

A kind of 14. fluid flow arrangements, comprising:

Main body, has entrance and connects, exports connection, and bleed outlet；And

Charger module, it is arranged in described main body, and described charger module includes control element and actuator component, institute State charger module and there are the feed lines extending between described entrance is connected and is connected with described outlet, and in described outlet Connect the discharge path extending and described bleed outlet between, wherein, described actuator component includes being operatively coupled to described control The diaphragm assembly of element processed, described diaphragm assembly comprise to have the manifold of the support member with multiple passages, upper barrier film and under every Film, upper support plate and lower support plate and be attached to the external cylindrical portion between described upper support plate and described lower support plate Point, to provide predetermined space between upper barrier film and lower diaphragm plate, and maintain between described upper support plate and lower support plate Substantial parallel orientation, described Outer cylindrical section operatively, is closely coupled to described bleed outlet and had Multiple passages, multiple passages of described Outer cylindrical section are arranged with by via described discharge path to described bleed outlet Distributed to multiple fluid injections by the flow of fluid of multiple passages of described Outer cylindrical section, substantially to stop in institute State the interaction of the jet flow at bleed outlet.

15. devices according to claim 14 it is characterised in that described Outer cylindrical section have substantially parallel Orientation on upper and lower surface.

16. devices according to claim 15 are it is characterised in that described upper support plate and described lower support plate have accordingly Annular recess, operatively to accommodate the described upper surface of described Outer cylindrical section and described lower surface.