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WO2008043360A1 - Vanne de régulation de débit - Google Patents

Vanne de régulation de débit Download PDF

Info

Publication number
WO2008043360A1
WO2008043360A1 PCT/DK2007/000432 DK2007000432W WO2008043360A1 WO 2008043360 A1 WO2008043360 A1 WO 2008043360A1 DK 2007000432 W DK2007000432 W DK 2007000432W WO 2008043360 A1 WO2008043360 A1 WO 2008043360A1
Authority
WO
WIPO (PCT)
Prior art keywords
handle
valve according
channel
throttle
flow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/DK2007/000432
Other languages
German (de)
English (en)
Inventor
Arne Markvart
Bent Karsten Rasmussen
Morten Christensen
Jens Pagh Schmidt
Claus Fisker
Lars Therkelsen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Danfoss AS
Original Assignee
Danfoss AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Danfoss AS filed Critical Danfoss AS
Priority to SE0900400A priority Critical patent/SE533517C2/sv
Priority to CN2007800379868A priority patent/CN101523093B/zh
Publication of WO2008043360A1 publication Critical patent/WO2008043360A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/12—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with streamlined valve member around which the fluid flows when the valve is opened
    • 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
    • F16K31/44—Mechanical actuating means
    • F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
    • F16K31/508—Mechanical actuating means with screw-spindle or internally threaded actuating means the actuating element being rotatable, non-rising, and driving a non-rotatable axially-sliding element
    • 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
    • F16K31/44—Mechanical actuating means
    • F16K31/52—Mechanical actuating means with crank, eccentric, or cam
    • F16K31/528—Mechanical actuating means with crank, eccentric, or cam with pin and slot

Definitions

  • the invention relates to a naturalflußeinstellventil with a valve housing having a channel portion through which a flow channel is guided with a throttle device, wherein the throttle device has a flow cross-section influencing throttle element which is adjustable from the outside by a handle.
  • Such congestive heartbeats is used in liquid-operated systems to perform a hydraulic balancing can.
  • a hydraulic balancing can be performed satisfactorily.
  • Such congestive is known for example from DE 39 35 584 C1.
  • the throttle element is actuatable through a nozzle which is arranged at an angle to the channel section. Through the nozzle a spindle is guided, on the outside of a handle is placed in the form of a rotary handle. By rotating the handle, the throttle element is displaced.
  • a similar embodiment of a fürflußeinstellventils is known from DE 196 19 125 C2.
  • a spindle is arranged in a socket, at the end of a throttle element is attached.
  • the spindle can be rotated by a special key or a handle to change the position of the throttle element.
  • the throttle element is displaced in such fürflußeinstellventilen until a desired flow has been achieved.
  • This flow can be determined by means of a fürflußJsan für satusky muscle.
  • the fürflußJsan für satusky muscle generally has a throttle point, leading in front of and behind the throttle point in the flow direction Druckmeßan say. From the pressure difference across the throttle point can then gain a statement about the flow. You can also use the throttle element to generate the throttle point. In this case, in addition to the information about the pressure difference, information about the size of the flow area released by the throttle element is required.
  • a Humanflußeinstellventil is only relatively rarely operated, basically only when first commissioning a system or when changing the system. Moreover, the once set position of the throttle element should be maintained. For this reason, such fürflußeinstellventil is often placed in inaccessible positions, for example in a shaft or under a ceiling. This does not disturb the fürflußeinstellventil Although not particularly. The adjustment by a mechanic is more difficult. The installer often requires a certain amount of skill to reach the handle and adjust so that the desired flow rate is achieved.
  • the invention has for its object to make handling easy.
  • the installer is therefore no longer limited to grab the handle from a single direction and operate. Rather, it can he grab the handle around the entire circumference of the channel section and press. Since the naturalflußeinstellventil is arranged in the course of a pipeline, it is assumed that the circumference of the pipe and thus the circumference of the channel portion of the valve housing is any accessible, so that the fitter can make a setting without requiring an excessive skill ,
  • the handle is rotatably mounted on the channel portion, wherein a translation device is provided, which converts a rotary movement of the handle in a translational movement of the throttle element. If the fitter has access to the handle, then he is also able to twist the handle on the circumference of the channel section. Such rotational movement does not normally require excessive forces.
  • This rotational movement of the handpiece is then converted into a translational movement of the throttle element, so that a translatory movement can ensure that the flow cross-section released by the throttle element is changed by the flow channel.
  • the throttle element is then displaceable parallel to the flow direction through the flow channel, wherein it can approach more or less to a kind of valve seat. However, an investment in the valve seat is not sought.
  • the translation device has at least one screw thread.
  • a screw thread is a particularly simple way to translate a rotary motion into a translational motion.
  • the screw thread is fixedly arranged on the valve housing and is in engagement with a mating thread which is arranged on the handle.
  • the handle is displaced by the twisting on the channel section also in the axial direction on the channel section.
  • the counter-thread is formed as an internal thread.
  • the handle thus surrounds the screw thread. This helps to keep the size of the fürflußeinstellventils small.
  • the handle is preferably engaged with the throttle element through the valve housing. So you used a mechanical connection between the handle and the throttle element, so that you can always close from the position of the handle with a high reliability on the position of the throttle element.
  • a mechanical connection is a simple way to transfer the forces necessary for adjusting the throttle element from the handle to the throttle element.
  • At least one driver is guided through an opening in a wall of the channel section, which engages in a groove in an inner side of the handle.
  • the opening then has a length in the direction of movement of the throttle element which is greater than the extent of the driver in the same direction. If the driver is a cylindrically shaped pin, then the opening may be formed for example as a slot.
  • the driver is then independent of the rotational position of the handle on the channel portion in engagement with the handle, so that the axial position of the handle, which is defined by screw thread and counter thread, can be transferred directly to the position of the throttle element.
  • the driver is acted upon by a spring arrangement which acts radially outward.
  • a spring arrangement which acts radially outward.
  • the driver is pressed outwards into the groove, so that the engagement between the handle and the throttle element is established.
  • the driver is in engagement with a drive element to which the throttle element is attached and which has a sealing wall, which rests sealingly against the wall of the channel section at least in the area of the opening.
  • the throttling element itself can perform the throttling function, i. make the adjustment of the flow cross-section.
  • the throttle element must only be attached to the drive element.
  • the driving action of the handle is transmitted to the drive member.
  • the drive element simultaneously performs the sealing function to seal the opening through which the driver is guided to the outside.
  • the drive element has a cylindrical sealing wall.
  • the drive element is able to abut over the full circumference of the flow channel from the inside to the wall of the flow channel.
  • the drive element may have a corresponding cross-sectional shape. If the drive element has a cross-sectional shape adapted to the shape of the flow channel, then it is supported on all sides in the circumferential direction, so that a good sealing effect is provided. The sealing effect can be further improved if a sealing arrangement is provided between the drive element and the wall surrounding the flow channel.
  • sealing wall extends over the full circumference of the flow channel, then it is generally sufficient to arrange a sealing ring in the flow direction in front of and behind the opening. NEN, wherein the two sealing rings should then be so far apart in the flow direction, that in the entire range of movement of the drive element, the opening is sealed.
  • the handle is engaged with a position indicator.
  • the position indicator signals the operator which position the throttle element occupies in the interior of the valve housing. This information can be utilized, for example, if the throttle element is used not only for setting the flow rate but also for determining the flow rate.
  • the handle is connected via an amplifying means with a pointer element of the position indicator, which converts a movement of the throttle element in an enlarged movement of the pointer element. This simplifies the adjustment because the position of the throttle element can be displayed with an increased resolution.
  • the handle and the pointer element via a threaded pairing engage and the pointer element is rotatably held on the valve housing.
  • the thread pairing has a greater pitch than the screw thread and the mating thread. So if the handle is rotated on the screw thread and thereby performs a certain axial movement, then the pointer element is moved accordingly stronger, because the thread pairing provides a different gear ratio.
  • a Jerusalem artifact is provided which has two Druckmeßan why, which are arranged on a rotatable around the channel portion spout.
  • two Druckmeßan nowadays are arranged on a rotatable around the channel portion spout.
  • two connections are necessary, where one pressure measuring probes can order to determine the absolute pressures before and after the throttle point and from there the pressure difference.
  • the fitter can choose a favorable position at which it is easily possible to introduce the Druckmeßsonden in the Druckmeßan disagree.
  • each Druckmeßanschluß communicates with an arranged between the spout and the channel section annular channel in communication, from which a Druckmeßkanal emanates, which opens into the flow channel.
  • An annular channel is an easy way to promote the pressure from the flow channel to the respective measuring port, regardless of the rotational angular position of the spout.
  • Fig. 1 is an external view of a 'flow rate adjusting valve
  • Fig. 3 shows a section Ill-Ill of Fig. 2 and
  • FIG. 4 shows a section IV-IV of FIG. 1.
  • a flow adjustment valve 1 has a valve housing 2.
  • the valve housing 2 has a channel section 3, through which a flow channel 4 is guided.
  • the channel section 3 extends over the entire length of the valve housing 2 in the flow direction through the flow channel 4.
  • a throttle element 5 is provided which is translationally adjustable along an axis 6 of the flow channel 4.
  • the throttle element 5 is fastened to a drive element 7, which has a cylindrical sealing wall 8, which rests sealingly against the inner wall of the channel section 3 with the interposition of two seals 9, 10.
  • the drive element 7 has a center wall 11, in which two drivers 12, 13 are arranged, which are biased by a spring 14 radially (relative to the axis 6) to the outside.
  • the drivers 12, 13 protrude through in each case an opening 15 in the channel section 3, which is formed as a slot, to the outside.
  • the two drivers 12, 13 engage in a groove 16 on the inside of a handle 17, which surrounds the channel section 3.
  • the handle 17 is rotatably arranged on the channel section 3.
  • the handle 17 has an internal thread 18 which is screwed onto a screw thread 19 on the outside of the channel section 3.
  • the pitch of the threads 18, 19 is relatively small, so that only one relatively small axial movement of the throttle element 5 is effected with each revolution of the handle 17 on the channel section 3.
  • the openings 15 are sealed by seals 9, 10 on the circumference of the sealing wall 8.
  • an anti-rotation ring 20 is arranged, which with a radially inwardly projecting projection in an axial groove 21 on the outside of the Ka nalabitess 3 engages.
  • the anti-rotation ring 20 itself in turn has an axial groove 22 into which a pointer element 23 engages with a radially inwardly projecting projection 24, so that the pointer element 23 is thus held non-rotatably on the channel section 3.
  • the pointer element 23 has an internal thread 25 which engages with an external thread 26 on the handle 17.
  • the pointer element 23 protrudes into an annular space 27 which is formed in the handle 17, wherein the annular space 27 is covered by an annular cover 28 in order to facilitate the manufacture of the handle.
  • the thread pairing formed by internal thread 25 and external thread 26 has a much greater pitch than the screw thread 19 and the cooperating internal thread 18. Accordingly, upon rotation of the handle 17 on the channel portion 3, a displacement of the handle 17 parallel to the axis 6 by a first amount and at the same time a displacement of the pointer element 23 relative to the handle 17 by a second amount, which may be many times greater. It is possible to equip the thread pairing of internal thread 25 and external thread 26 with a different thread direction than the screw thread 19, so that upon rotation of the handle 17 on the channel section 3, which leads to a translational movement of the handle 17 in one direction (for example right) leads, a correspondingly increased movement of the pointer element 23 in the other direction (for example, to the left) is effected.
  • a mark 29, On the outside of the pointer element 23 is a mark 29, which is formed for example by a sequence of numbers. The numbers may be arranged so that each number corresponds to a complete rotation of the handle 17.
  • the handle 17 has on its the pointer element 23 facing end side also has a mark 30, by means of which a fitter can read the angular position of the handle 17 relative to the channel section 3. By the two markings 29, 30, the fitter gets a clear statement about the position of the handle 17 relative to the channel section 3 in the axial direction and thus also a statement about the position of the throttle element 5 in the flow channel. 4
  • a ring nut 31 is screwed onto a thread 32 at the end of the valve housing 2.
  • the ring nut 31 initially prevents the anti-rotation ring 20 from the valve housing 2 dissolves.
  • the ring nut 31 can be further used to serve as a lock nut when the handle has positioned the throttle element in a particular position so that the desired flow through the flow control valve 1 has been adjusted. The ring nut 31 thus ensures the anti-rotation ring 20 that the handle 17 can not be easily rotated.
  • the thread 32 has a smaller diameter than the screw thread 19, so that the handle 17 can be easily guided over the thread 32 for mounting.
  • the drivers 12, 13 are compressed by the force of the spring 14 so far that the handle 17 can be passed over the channel section 3. Then, when the groove 16 at the position of the driver 12, 13 arrives, the drivers 12, 13 are pressed by the force of the spring 14 radially outward, so that they engage in the groove 16.
  • Each pressure measuring channel 34, 35 communicates with an annular channel 36, 37 in conjunction fertil.
  • the annular channels 36, 37 are rotatably mounted between the outside of the channel section 3.
  • At the spout 38 are two Druckmeßan Why 39, 40, which are each covered with a cap 41, 42, when they are not needed. In the Druckmeßan Why 39, 40 can be introduced probes to determine the pressure prevailing in front of and behind the throttle body 33 and thus a pressure difference across the throttle body 33.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Safety Valves (AREA)

Abstract

La présente invention concerne une vanne de régulation de débit (1) comportant un corps de vanne (2) qui présente une section de canal (3) traversée par un canal d'écoulement (4) pourvu d'un dispositif d'étranglement. Ce dispositif d'étranglement présente un élément d'étranglement (5) agissant sur la section transversale d'écoulement, lequel élément d'étranglement peut être réglé de l'extérieur au moyen d'un élément de préhension (17). L'objectif de cette invention est de mettre au point une telle vanne de régulation de débit qui soit facile à manipuler. A cette fin, l'élément de préhension (17) entoure la section de canal (3).
PCT/DK2007/000432 2006-10-10 2007-10-05 Vanne de régulation de débit Ceased WO2008043360A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE0900400A SE533517C2 (sv) 2006-10-10 2007-10-05 Flödesjusteringsventil
CN2007800379868A CN101523093B (zh) 2006-10-10 2007-10-05 流量调节阀

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006047881.9 2006-10-10
DE102006047881A DE102006047881B3 (de) 2006-10-10 2006-10-10 Durchflußeinstellventil

Publications (1)

Publication Number Publication Date
WO2008043360A1 true WO2008043360A1 (fr) 2008-04-17

Family

ID=38844985

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK2007/000432 Ceased WO2008043360A1 (fr) 2006-10-10 2007-10-05 Vanne de régulation de débit

Country Status (5)

Country Link
CN (1) CN101523093B (fr)
DE (1) DE102006047881B3 (fr)
RU (1) RU2413892C2 (fr)
SE (1) SE533517C2 (fr)
WO (1) WO2008043360A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU230570B1 (hu) * 2009-12-21 2016-12-28 Kerox Ipari És Kereskedelmi Kft. Egykaros keverő csaptelep betét megnövelt szögű komfort tartománnyal
CN108626467B (zh) * 2017-11-23 2019-09-24 长沙理工大学 一种电控双驱动储氢阀
CN108626468B (zh) * 2017-11-23 2019-09-06 长沙理工大学 一种联动磁控储氢阀
CN108626469B (zh) * 2017-11-23 2019-08-09 长沙理工大学 一种联动磁控储氢阀的工作方法
CN108626471B (zh) * 2017-11-23 2019-08-09 长沙理工大学 一种双启闭储氢阀

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE716500C (de) * 1940-01-14 1942-01-22 Hubert Grobe Dipl Ing Absperrventil fuer Wasser o. dgl., insbesondere fuer bergbauliche Zwecke
US3334654A (en) * 1965-09-27 1967-08-08 Deltrol Corp Operating and read-out means for needle valves and the like
JPS58200863A (ja) * 1982-05-19 1983-11-22 Hiroshi Sugihara 流量調節弁
DE3935584C1 (en) 1989-10-25 1990-08-09 F.W. Oventrop Kg, 5787 Olsberg, De Extruder regulating valve system - has pre-adjustment device with calibration scale
EP0691492A1 (fr) * 1994-06-29 1996-01-10 Marcelo Fernandez Lopez Dispositif de soupape
DE19619125A1 (de) 1995-11-04 1997-05-07 Gampper Gmbh Ventil mit Voreinstellung der Durchflußmenge für einen Heizkörper einer Warmwasseranlage
WO2003044402A1 (fr) * 2001-11-22 2003-05-30 Tour & Andersson Ab Valve et en particulier volant pour valve d'equilibrage
DE20204658U1 (de) * 2002-03-22 2003-07-31 Watts Dumser GmbH & Co.KG, 76829 Landau Absperrvorrichtung für einen mit einem flüssigen Medium betriebenen Kreislauf einer Wärme- oder Kälteversorgungsanlage, insbesondere Absperrventil

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU473874A2 (ru) * 1973-12-28 1975-06-14 Научно-испытательный институт химических и строительных машин Регулируемый дроссель
DE2522443A1 (de) * 1975-05-21 1976-12-02 Schell Kg Hubert Wasserschadenschutzventil
DE3903800C2 (de) * 1989-02-09 2001-12-06 Wildfang Dieter Gmbh Auslaufvorrichtung

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE716500C (de) * 1940-01-14 1942-01-22 Hubert Grobe Dipl Ing Absperrventil fuer Wasser o. dgl., insbesondere fuer bergbauliche Zwecke
US3334654A (en) * 1965-09-27 1967-08-08 Deltrol Corp Operating and read-out means for needle valves and the like
JPS58200863A (ja) * 1982-05-19 1983-11-22 Hiroshi Sugihara 流量調節弁
DE3935584C1 (en) 1989-10-25 1990-08-09 F.W. Oventrop Kg, 5787 Olsberg, De Extruder regulating valve system - has pre-adjustment device with calibration scale
EP0691492A1 (fr) * 1994-06-29 1996-01-10 Marcelo Fernandez Lopez Dispositif de soupape
DE19619125A1 (de) 1995-11-04 1997-05-07 Gampper Gmbh Ventil mit Voreinstellung der Durchflußmenge für einen Heizkörper einer Warmwasseranlage
WO2003044402A1 (fr) * 2001-11-22 2003-05-30 Tour & Andersson Ab Valve et en particulier volant pour valve d'equilibrage
DE20204658U1 (de) * 2002-03-22 2003-07-31 Watts Dumser GmbH & Co.KG, 76829 Landau Absperrvorrichtung für einen mit einem flüssigen Medium betriebenen Kreislauf einer Wärme- oder Kälteversorgungsanlage, insbesondere Absperrventil

Also Published As

Publication number Publication date
RU2413892C2 (ru) 2011-03-10
DE102006047881B3 (de) 2008-06-26
SE533517C2 (sv) 2010-10-12
CN101523093B (zh) 2012-08-08
SE0900400L (sv) 2009-04-22
CN101523093A (zh) 2009-09-02
RU2009116849A (ru) 2010-11-20

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