CN101262954B - 背压调节器 - Google Patents

背压调节器 Download PDF

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CN101262954B
CN101262954B CN2006800333624A CN200680033362A CN101262954B CN 101262954 B CN101262954 B CN 101262954B CN 2006800333624 A CN2006800333624 A CN 2006800333624A CN 200680033362 A CN200680033362 A CN 200680033362A CN 101262954 B CN101262954 B CN 101262954B
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CN101262954A (zh
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阿兰·史密斯
奈杰尔·查尔斯·伍德
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/14—Control of fluid pressure with auxiliary non-electric power
    • G05D16/18—Control of fluid pressure with auxiliary non-electric power derived from an external source
    • G05D16/185—Control of fluid pressure with auxiliary non-electric power derived from an external source using membranes within the main valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/085—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to flow or pressure of liquid or other fluent material to be discharged
    • B05B12/087—Flow or presssure regulators, i.e. non-electric unitary devices comprising a sensing element, e.g. a piston or a membrane, and a controlling element, e.g. a valve
    • B05B12/088—Flow or presssure regulators, i.e. non-electric unitary devices comprising a sensing element, e.g. a piston or a membrane, and a controlling element, e.g. a valve the sensing element being a flexible member, e.g. membrane, diaphragm, bellows
    • 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
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
    • F16K31/38—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side
    • F16K31/385—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side the fluid acting on a diaphragm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/58—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter preventing deposits, drying-out or blockage by recirculating the fluid to be sprayed from upstream of the discharge opening back to the supplying means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
    • B05B9/0423—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material for supplying liquid or other fluent material to several spraying apparatus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7793—With opening bias [e.g., pressure regulator]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7793—With opening bias [e.g., pressure regulator]
    • Y10T137/7822—Reactor surface closes chamber
    • Y10T137/7823—Valve head in inlet chamber
    • Y10T137/7825—Rectilinear valve stem rigid with reactor surface
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7793—With opening bias [e.g., pressure regulator]
    • Y10T137/7822—Reactor surface closes chamber
    • Y10T137/7823—Valve head in inlet chamber
    • Y10T137/7826—With valve closing bias

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Abstract

一种油漆循环系统背压调节器(50)，包括油漆流道(57)，该流道至少部分设置在固定结构(56)和可移动以改变流道(57)宽度的可移动表面之间，以调节调节器(50)上游的油漆压力。调节器(50)还设置有室，所述室具有与加压流体的供应源连通的开口，以控制调节器(50)的运行。

Description

背压调节器
技术领域
本发明涉及用于油漆循环系统的背压调节器。
背景技术
汽车制造业中使用的类型的传统喷漆系统可由几根(比如30根)单独的油漆管组成，每根管向喷漆室提供不同颜色油漆。通常，任何一次只喷涂一种颜色，因此只有一根管随时使用。然而，即使不喷涂时，也必须使每根管里的油漆以最小速度通过系统循环，以防止颜料与承载器流体分离。
为了确保油漆以所需压力来喷涂，BPR与油漆泵结合使用以在喷漆室中调节和保持所需的流体背压。在传统的系统中，BPR被手动调节并使用卷簧，用于通过控制流体的流速保持调节器上游的油漆压力。而且，在一些系统中(例如那些使用某些类型的涡轮泵或凸轮泵的系统)，泵被设置为以固定压力和流速运行，并且BPR用于保持设定的压力。在该类型的系统中，BPR通过调节流速控制系统压力以补偿油漆“消耗”时流量的变化。因此，每根管通常在喷涂所需的流动条件下工作，而无论油漆被使用还是仅仅被循环。这样效率非常低并且导致大量浪费能源。例如，一个系统每天运行24小时可能每天仅需要喷涂每种颜色例如1小时。每个泵将在所需的压力和流速下运行来满足每天24小时的系统需要，即使每天仅需要在该压力下喷涂油漆1小时。
此外，与更恰当使用的泵相比，需要在较高速度和压力下较长时间工作的泵可能需要在更短的时间内维护。
US4,295,489公开了一种用在气体分离器中的先导式背压调节器，其中，膜致动器分隔开弹性室和平衡室。控制阀与上游入口气体压力连通，以使该压力被提供给弹性室，以平衡通过膜的气体压力。US4,776,368和US4,549,572公开了下游流体压力调节器，其中，控制气压被供给膜室。
发明内容
本发明的一个目的是提供一种用于油漆循环系统的改进的BPR，其能减轻上述问题。
根据本发明，提供一种油漆循环系统背压调节器装置。本发明的实施方式包括油漆循环系统背压调节器，所述油漆循环背压调节器包括：油漆的流道，其至少部分设置在固定结构和可移动以改变流道宽度的可移动表面之间以调节调节器上游的油漆压力；和室，其具有用于与供给的加压流体连通的开口，以控制调节器的运行。
方便地，所述可移动表面为挠性膜的表面。所述加压流体可以是压缩空气。
一个优点是调节器的运行能够远程控制以适合运行需要。同样，背压调节器根据油漆使用还是仅仅循环能够容易地在不同模式下工作。这意味着系统能够更有效地工作并且能够节省能源。此外，系统的各个部件将遭受更少的磨损并持续更久。
因此，便利的是：当油漆需要在喷漆室使用时，能够远程调节所述调节器以供给管道压力，并且当在喷漆室不需要油漆时，能够远程调节所述调节器以减小管道压力。
自动调节流道的尺寸以保持所需的系统压力，这也是较佳的。
可以改变供给系统的加压流体的压力以控制油漆经过流道的节流或流动。可以使用两个或多个气室以提供累积的效果。
在一个具体的实施方式中，可以提供加压流体以增加由BPR的可移动表面施加的压力，因此，在流过BPR前需要系统中的油漆来增加压力。这通过使加压流体向下推进到可移动表面上并从而使流道节流来实现。当油漆正在使用并且一些油漆从系统中减少时需要这种工作模式。当油漆不在使用并且没有油漆从系统中除去时，通过切断或减少加压流体源的压力能够实现非加压流动。
在BPR的另一个实施方式中，设置弹性偏压装置，以设置所需的背压和使用的加压流体以缓解(即抵消)偏压作用。偏压装置可以用在该系统中以在不提供加压流体时使流道节流。偏压装置可以是卷簧，并且便于调节强度。
因此，当油漆被使用时，加压流体(例如压缩空气)源可以切断或减少以允许弹簧给油漆系统加压。提供加压流体(例如压缩空气)以降低由弹簧施加的压力并从而使系统中油漆减少加压。这可以通过利用压缩空气来抵抗向下偏压的弹簧而向上推进以打开流道来实现。
该实施方式的优点在于，即使加压流体(例如压缩空气)供应失败，BPR将仍然工作以确保油漆处于所需的系统压力。因此，油漆将总是被施压以使用，并且因而在喷涂室中不会产生流体系统压力的损失。
附图说明
在附图中说明本发明的具体实施方式，其中：
图1为使用BPR的油漆循环系统的示意图；
图2为现有技术已知的传统BPR的截面图；
图3为根据本发明的BPR的截面图；和
图4为根据本发明的另一个BPR的截面图。
具体实施方式
参考附图，图1中示出了使用BPR45的油漆循环系统40。因此，泵42是可运转的，以从油漆桶41经过油漆过滤器43供应油漆并将油漆供应至喷涂室44中。任何没有使用的油漆接着再循环并通过BPR45返回到油漆桶41。
在该设置中，当油漆正在使用时，BPR45用于将系统上游压力控制在需要的水平，典型地为5至10巴(bar)。
在图2中示出油漆循环系统40中使用的现有技术的背压调节器(BPR)。其包括具有入口通道30和出口通道31的主体部分16，所述入口通道和出口通道分别具有螺纹连接件32和33，用于连接于油漆循环系统40中使用的各个管道。结构34设置在所述入口通道30和所述的出口通道31之间，以在其之间形成收缩流道35。设置挠性膜20以通过改变其与结构34的距离而改变收缩流道35的尺寸。在所示的具体实施例中，另一个膜21与内部的膜20并置。钟形上部壳体或罩11以凸缘形式安装在主体16的上部，用衬垫23使膜20和21的外边缘压在一起形成密封。通过螺纹紧固件19将该组件固定在一起。圆盘17位于钟形件11的下端、膜20和21的上方。钟形件11封装有螺旋弹簧15。弹簧15的下端支撑靠在圆盘17的上表面上的位置。按钮14支撑靠在弹簧15的上端。位于穿过钟形件11上端的螺纹孔中的调节螺杆12支撑靠在按钮14上。从钟形件11上端突出的螺杆12的头部设置有把手22。防松螺母13设置在螺杆12的头部和钟形件11的上部之间，这样旋松防松螺母13使得螺杆12转动以改变其相对于钟形件11的相对位置。当螺杆12处于其所需要的位置时，防松螺母13能够被拧紧以将螺杆12固定在合适位置中。
如从图2能够看出，拧紧螺杆12迫使按钮14向下至弹簧15上以压缩弹簧。依次，弹簧15将迫使圆盘17向下并与膜21和20接触。如果弹簧的力足够大，则下部的膜20可被迫与结构34接触以完全密封流道35。拧松螺杆12将起相反作用，并将打开流道35。
工作中，油漆将通过入口通道30流入BPR10。弹簧15将被设置为在膜20上施加所需的压力。因此，试图经过BPR10流入的油漆的压力将抵抗弹簧15的力作用于膜20上。如果流入油漆的压力大于弹簧15的压力，则其将迫使膜20远离结构34从而形成较宽的流道35以减小压力。如果流入油漆的压力下降，则弹簧15的压力将更具支配性，并将迫使膜20朝向结构34从而形成较窄的流道35。这样BPR将连续消除系统中压力波动的影响。因此，BPR10上游油漆压力保持相对恒定。当管道正在使用、一些油漆从系统中流出、倾向于降低油漆流动和/或系统中循环的油漆的压力时，这是尤其需要的。但是，如上所述，BPR10将通过减少流动自动补偿这种损失，以维持系统中的所需压力。
具有该类型BPR10的主要问题是在不需要喷涂时不必要地使用能量给BPR10上游的油漆加压。与如果更经济地使用相比，以如此高压水平泵送油漆还更迅速地磨损泵。
图3示出了根据本发明的特定BPR50的实施例。其包括具有入口52和出口53的阀体51，各自的螺纹连接件54和55用于连接于例如图1的油漆循环系统中使用的各个管道。结构56设置在入口52和出口53之间。第一膜69越过阀体51在结构56的上表面上延伸。在所示的位置中，第一膜69与结构56的上表面接触。在该位置中，用于从入口52到出口53的油漆的流道57被阻塞。然而，第一膜69是挠性的，这样(将在下文更详细地描述)它能够完全提高结构56以提供油漆流动的可改变的节流。
垂直可移动构件或膜板58设置在第一膜69之上。第二膜59定位在可移动构件58之上。气室60设置在膜59的相对侧和气室盖68之间。容纳构件58和气室60的壳体61通过螺纹紧固件装置62a被紧固于阀体51，夹紧第一膜69的外部区域以提供密封并防止任何油漆流失。第二膜59通过紧固件62b相似地被夹紧在气室盖68的外边缘和壳体61之间。可移动构件58在壳体61中的间隙腔67中能够垂直移动。气孔63也设置在壳体61中，以在构件68移动时允许构件58周围的空气流入和流出腔67。第二膜59在气室60和腔67之间提供密封。空气入口64设置在气室盖68中以连接于压缩空气源。
构件58的垂直移动以及第一和第二膜59、69的挠动改变流道57的尺寸。当没有压缩气体供应给气室60时，构件58将在壳体61中随意上下移动。因此，进入BPR50中的油漆的压力将作用于第一膜69以迫使构件58以非常小的距离离开结构56。这打开了第一膜69和结构56之间的流道57，导致经过BPR50只有小的压力下降。
当由气室60中的压缩气体提供的压力变得足够大时，第二膜59将向下挠曲，迫使可移动构件58与第一膜69接触并朝向结构56，从而使流道57节流。如果空气压力和油漆压力差足够大，第一膜69可被迫与结构56接触以完全密封流道57。
运行中，油漆通过入口通道52流入BPR50。气室60里的空气压力将被设定为在可移动构件58上施加所需的力，以调节BPR上游的油漆压力。因此，如果流入油漆的压力增加，其将迫使第一膜69和可移动构件58离开结构56，从而形成较宽的流道57。这允许更多的油漆通过BPR50流动，从而缓解上游压力以使该压力回到设定值。如果流入油漆的压力降低，作用于第二膜59和可移动构件58上的空气压力将迫使其朝向结构56，形成较窄的流道57，使油漆节流流过BPR50并增加上游压力，以使该压力回到设定值。因此，在这些情况下，BPR50完成与BPR10相同的功能，并且BPR50上游油漆的压力几乎保持恒定。
对于BPR50来说，给气室60施加的空气压力决定了系统中油漆的压力。因此，通过简单改变施加给气室60的空气压力能够改变系统油漆压力。这可以通过控制空气供应量远程完成。
在图3所示的装置中，与第一膜69的面向流经收缩流道57的油漆的下部的表面区域66相比，第二膜具有面向空气供应室60的相对大的表面区域65。这允许有效的能量转换，因为通过膜59施加给大表面65的较小的空气压力能够产生经过下部表面66的更集中并且因此更大的压力。在具体实施例中，6巴的空气压力将在下部表面66上产生15巴的压力。
该实施方式中施加的空气压力可被看作主要进行了与图2所示的弹簧15相同的功能。然而，本发明BPR50的主要优点在于当不使用油漆时，能够切断空气压力以使油漆相对自由地循环。在这种情况下，因为不使用油漆，所以不需要在系统中保持高的油漆压力。与手动设置BPR压力的系统相比，无论油漆是否正在使用，通常BPR50都在泵和系统中造成很小的磨损，并且使更少的能量泵送周围的油漆。
该系统运行可以通过计算机或网络进行控制和监控。因此，泵42的运行能够被控制，并且能够使用传感器监控远程位置的压力。本发明系统还允许通过计算机远程控制BPR50的运行。
图4示出了本发明的另一个实施方式。该BPR70将压缩空气的使用和弹簧71结合。根据图2的BPR10，弹簧71提供了由螺杆72的设置所确定的恒定向下的力。该实施例中，两个压缩空气室：上室73和下室74起累积的作用。每个室包括各自的可移动构件77、78。每个可移动构件77、78具有各自的下表面75、76，并且连接于各自的膜79、80，膜79、80形成各自室73、74的上壁。膜79、80夹在可移动构件77、78和各自的板82、83之间。弹簧71在第一立柱81上提供向下的力推动板82靠在膜79的上部并落在上室73上的可移动构件77上。可移动构件77支撑靠在第二立柱85的上部，第二立柱85向下延伸穿过壳体88中的通道87。通道87设置有密封件89以允许第二立柱85垂直移动，但阻止室73里的空气漏出。该装置通过下室74中的可移动构件78和第三立柱86、通道90和密封件91而重复。第三立柱86支撑在主膜93上部的部件84上。BPR70还包括入口96、出口97和结构94，其与图3实施例相同的方式在主膜93之下形成流道。
设置空气源入口(未示)以将室73和74连接于空气源。提供给两个室73、74的空气压力作用于两个表面75和76，以形成大的总表面区域，其作为图3实施方式的单个的、宽的表面区域65的可选择例。这允许形成更紧凑的装置。
如所看到的，使用该BPR70中的空气压力以抵抗弹簧71的向下的力。这是因为施加给室73和74的空气压力作用在可移动构件77和78的下表面75和76上。这样，提供的空气压力能够被用于克服弹簧71以打开流道并允许油漆无约束地流过BPR70。
当该BPR70运行，并且油漆被使用时，不给气室73和74提供加压的空气(或其它流体)。室73中没有空气压力，因此不能抵抗来自上面的通过立柱81、85、86和可移动构件77、78传递给部件84和主膜93的弹簧力。抵抗油漆的压力作用，趋向于收缩流道95以保持上游的油漆压力。在该结构中，BPR70以与图2的BPR10相同的方式动作，并且BPR70上游的油漆压力将保持在设定值或接近设定值。
如同BPR10，系统中的压力由传递给部件84的施加的弹簧力决定。因此，螺杆72能够被用于调节设定的系统油漆压力。其通常被设定为合适的高系统压力，因为这对于使用油漆时是合适的。
然而，该BPR70的优点在于给室73和74提供合适的空气压力能够有效地切断弹簧71的高压力。因此，在这些室73和74里的空气压力将作用为向上推动膜79和80，这样空气能够移动到可移动构件77和78下方以作用于表面75和76上。这将抵消板82和83上的向下的压力，迫使它们沿向上的方向运动。当在空气压力下可移动构件77和78向上移动时，第三立柱86被提升离开部件84，允许其自由移动。因此，部件84将不在主膜83上提供向下的力，这样油漆将无限制地流过BPR70。当不使用油漆，并且需要以最小速度简单地循环油漆以防止颜料与承载器流体分离时，需要该操作模式。
尽管如上所述的开关作用是给BPR70提供空气压力的主要原因，但是也可能使用该设置以远程改变来自弹簧71的力。因此如果不调节螺杆72，空气压力能够被供给一个或两个气室73、74中以改变向下作用在部件84上的力。较低的空气压力将最低限度地减少部件84上的弹簧71的力，而较高的空气压力将大大地减少部件84上的弹簧71的力。同样，能够提供恒定的空气压力以设定所需要的系统压力。
BPR70由包围弹簧71的钟形部分101构成。分开的壳体部分88、92包围各自的气室73和74。主体部分98包括用于在入口通道96和出口通道97之间形成流道的结构94。这些部分能够以模块方式组装，这样能够包括任何数量的壳体部分88、92和由此形成的气室73、74。壳体中对齐的螺钉孔提供通道99，紧固螺栓(未示)能够通过通道99而被插入以将模块部件夹紧在一起。如同图3的BPR50，气孔102、103、104分别设置在钟形部分101和壳体部分88、92中，以允许围绕板82、83和部件84的周围空气当其移动时流入和流出各自围绕的腔105、106和100。
如同图3的BPR50，BPR70的运行能够由计算机远程控制。
本发明能够使操作者根据喷涂机的需要自动给油漆循环系统加压或者减压。因此，BPR能够自动地填充以供给管道压力或者自动地排空以减少管道压力。这种能力可为能源消耗和系统部件磨损提供更大的节省。

Claims (9)

1.一种油漆循环系统背压调节器装置，包括：
油漆流道，至少部分该流道设置在固定结构和可移动以改变该油漆流道的宽度用于调节调节器上游的油漆压力的可移动表面之间；和
室，与所述油漆流道密封地分开，并且具有与加压流体供应源连通的开口，用于在所述可移动表面上施加压力；
其中，从所述供应源至所述室的加压流体的供给是可操作的以控制通过所述流道的油漆的节流或流动，并通过调节器解除油漆压力的调节，允许油漆自由流动通过所述油漆流道。
2.如权利要求1所述的油漆循环系统背压调节器装置，其中，所述可移动表面为挠性膜的表面。
3.如权利要求1所述的油漆循环系统背压调节器装置，其中，所述加压流体为压缩空气。
4.如前述任一个权利要求所述的油漆循环系统背压调节器装置，其中，供给所述室的加压流体是可操作的以在所述表面上提供力来抵抗所述流道中的油漆的压力来使所述流道节流。
5.如权利要求1所述的油漆循环系统背压调节器装置，包括偏压装置，所述偏压装置是可操作的以在加压流体没有被供给到所述室中时抵抗所述流道中的油漆的压力来使所述流道节流。
6.如权利要求5所述的油漆循环系统背压调节器装置，其中，所述偏压装置是卷簧。
7.如权利要求5或6所述的油漆循环系统背压调节器装置，其中，所述偏压装是可调节强度的。
8.如权利要求1所述的油漆循环系统背压调节器装置，其中，所述调节器上游的油漆压力可控制到设定值，通过改变供给所述室的流体压力可调节所述设定值。
9.如权利要求1所述的油漆循环系统背压调节器装置，其中，使用两个或多个室用于累积作用。
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EP1830966A2 (en) 2007-09-12
WO2007031841A2 (en) 2007-03-22
US9529370B2 (en) 2016-12-27
KR20080053294A (ko) 2008-06-12
AU2006290399A1 (en) 2007-03-22
TW200730254A (en) 2007-08-16
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US20080230128A1 (en) 2008-09-25
GB0518637D0 (en) 2005-10-19
CN101262954A (zh) 2008-09-10
WO2007031841A3 (en) 2007-05-18
AU2006290399B2 (en) 2010-08-05
US20140264108A1 (en) 2014-09-18
DE602006003526D1 (de) 2008-12-18
JP5180079B2 (ja) 2013-04-10
CA2621330A1 (en) 2007-03-22
CA2621330C (en) 2011-11-01
TWI329532B (en) 2010-09-01
EP1830966B1 (en) 2008-11-05
KR101275767B1 (ko) 2013-06-17
ATE413233T1 (de) 2008-11-15
US8733392B2 (en) 2014-05-27

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