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WO2016007977A1 - Raccord d'un corps chauffant au niveau des canalisations montante et descendante d'une installation de chauffage à deux tubes - Google Patents

Raccord d'un corps chauffant au niveau des canalisations montante et descendante d'une installation de chauffage à deux tubes Download PDF

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Publication number
WO2016007977A1
WO2016007977A1 PCT/AT2015/050164 AT2015050164W WO2016007977A1 WO 2016007977 A1 WO2016007977 A1 WO 2016007977A1 AT 2015050164 W AT2015050164 W AT 2015050164W WO 2016007977 A1 WO2016007977 A1 WO 2016007977A1
Authority
WO
WIPO (PCT)
Prior art keywords
channel
return
connection fitting
flow channel
control piston
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/AT2015/050164
Other languages
German (de)
English (en)
Inventor
Gerhard Glinzerer
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.)
Herz Armaturen Gesmbh
Original Assignee
Herz Armaturen Gesmbh
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 Herz Armaturen Gesmbh filed Critical Herz Armaturen Gesmbh
Publication of WO2016007977A1 publication Critical patent/WO2016007977A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/0002—Means for connecting central heating radiators to circulation pipes
    • F24D19/0009—In a two pipe system
    • F24D19/0012—Comprising regulation means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
    • F24D19/1018—Radiator valves

Definitions

  • the present invention relates to a connection fitting according to the preamble of claim 1.
  • the known systems have the disadvantage that changes are not balanced within the heating train and thereby different temperatures are caused to the connected radiators. Furthermore, the additional differential pressure regulator cause additional expenditure in the assembly and a more difficult adjustment of the pressure conditions of the heating system or the heating strands.
  • connection fitting of the type mentioned above regulates the differential pressure of radiators and sets defined and compact and can be mounted without additional effort.
  • a differential pressure regulator is arranged between the flow channel and the return channel, that the differential pressure regulator is pressurized by the pressure in the flow channel and / or the return channel, and that by the differential pressure controller in response to the pressure difference between flow channel and return channel, a throttle gap in the return channel or Flow channel is adjustable.
  • connection fitting according to the invention has the advantages that the differential pressure across the radiator and optionally the thermostatic valve is kept constant and thereby the adjustment of the heating medium is not necessary.
  • By varying the control gap increases or decreases the resistance across the control seat, whereby the differential pressure, depending on the incoming pump pressure, is kept constant.
  • the differential pressure regulator in the faucet block achieves a more compact design and simplifies the assembly and control of the heating system.
  • the differential pressure regulator comprises a spring and the throttle gap defining control piston, the control piston and the spring are connected to each other transmitting force and wherein the spring against the control piston in the flow channel and / or the return channel subjected to the pressure acting on the control piston pressure, wherein the throttle gap is adjustable by the pressure acting on the control piston in dependence on the pressure difference between the flow channel and the return channel.
  • connection fitting has a control channel connecting the flow channel and the return channel, wherein the differential pressure regulator is arranged in the control channel.
  • connection fitting has a control channel connecting the flow channel and the return channel, wherein the differential pressure regulator is arranged in the control channel,
  • the differential pressure regulator comprises a control piston designed as a wood cylinder, wherein a first end face of the control piston faces the flow channel and is sealed to the flow channel by a pressure flange which hydraulically seals the opening of the control piston,
  • the differential pressure regulator comprises a membrane which spans the control piston peripherally on the housing wall of the control channel and the flow channel fluid-tightly separated from the return channel, wherein the differential pressure regulator has a spring, preferably spanning the control piston, the spring pressurizing the control piston in the direction of the feed channel,
  • control piston projects with the second end face in the return passage and forms therein the throttle gap
  • control piston and / or the membrane by the pressure applied in the flow channel against the spring force is pressurizable and can be pressed into the return channel and wherein the throttle gap is variable by the pressure difference between the flow channel and return channel.
  • control piston designed as a hollow cylinder has an opening perpendicular to the axis of the control piston, wherein the opening is arranged opposite to the direction of gravity in the differential pressure regulator.
  • connection fitting having a shut-off valve and / or the return channel has a shut-off valve
  • the flow channel or the return channel has a thermostatic valve.
  • connection fitting in the radiator, without the need to connect another valve to the radiator is provided by the flow channel has a shut-off valve and the return channel a thermostatic valve or that the flow channel has a thermostatic valve and the return channel a shut-off valve.
  • An advantageous flow in the connection fitting and a simultaneous compact design of the connection fitting is achieved by the return channel has a shut-off valve arranged perpendicular to the return channel, wherein the shut-off valve has a valve seat, wherein the valve seat and the control piston are arranged coaxially and wherein the control piston and the valve seat or a throttle sleeve extending the valve seat form the throttle gap.
  • connection fitting in a component can be achieved by integrating the flow channel, the return channel and the differential pressure regulator in the housing of the connection fitting.
  • connection fitting to heating systems and common radiators is simplified by the main flow direction of the flow channel and the main flow direction of the return channel are arranged parallel to each other and the differential pressure regulator is arranged at right angles to the flow channel and the return channel.
  • the replacement of the differential pressure regulator and the installation of the differential pressure regulator are further simplified if the differential pressure regulator is integrated interchangeably in a cartridge, wherein the cartridge is arranged in the control channel.
  • the assembly of the differential pressure regulator is facilitated because it can be pre-assembled au outside the connection fitting in the cartridge and is installed after the assembly in the connection fitting.
  • a particularly simple installation of the cartridge is achieved by the differential pressure regulator is interchangeably integrated in a cartridge, wherein the cartridge is arranged in the control channel.
  • connection fitting in a connecting line emerging from a wall parallel to the floor is made possible in that the connection fitting is designed as a corner fitting, wherein the flow channel and the return channel each have a bent at an angle of 90 ° Verlajf.
  • connection fitting and the differential pressure regulator is achieved by the throttle gap between 0 mm and 5 mm, in particular between 0 mm and 3 mm, is adjustable.
  • connection fitting for connecting a radiator to the flow and return line of a heating system has a flow inlet connection for connection to a flow line, the flow inlet nozzle opens into the flow channel of the connection fitting .
  • connection fitting having a return outlet connection piece for connection to a return line, the return connection piece opening into the return channel, the connection fitting having a feed outlet connection for connection to the flow connection of a heating element, the feed channel leading into the feed outlet connection,
  • connection fitting having a return intake port for connecting the return line of a radiator, the return passage opening into the return intake port,
  • feed outlet port and the return intake port and / or the feed intake port and the return discharge port are arranged parallel to each other.
  • connection fitting to radiators or heating cables is simplified by having the flow channel, the return channel, the supply outlet nozzle, the return intake port, the inlet nozzle and / or the return outlet connection nuts with axial tolerance compensation for stress-free mounting or compression fittings.
  • connection fitting according to the invention in basic, top and top view and in isometric view
  • connection fitting 5 shows a sectional view of an embodiment of the connection fitting
  • FIG. 6 shows a detailed view of the connection fitting according to FIG. 5,
  • Fig. 7 shows a connection fitting according to the invention in maximum open
  • Fig. 9 shows a connection fitting according to the invention in a maximum closed
  • FIG. 12 shows a detailed view of the connection fitting according to FIG. 11 and FIG.
  • FIGS. 13 to 15 show views of embodiments of the invention
  • connection fitting 10 according to the invention is shown in a perspective view (FIG. 1) in the basic (FIG. 2), up (FIG. 3) and cross-sectional (FIG. 4).
  • the connection fitting 10 comprises a flow inlet adapter 101 for connection to a feed line and a return outlet nozzle 102 for connection to a return line of a heating system.
  • the connection fitting 10 further comprises a supply outlet port 103, which can be connected to a flow connection of a radiator and a return intake port 104 for connecting the return line of a radiator 30.
  • the supply outlet port 103 and the return intake port 104 include connection nuts 105a, 105b with axial Tolerance compensation for a stress-free mounting of the connection fitting 10 to a radiator 30th
  • connection fitting 10 is designed as a tap block.
  • the flow inlet nozzle 101 at which the flow from the heating system flows into the connection fitting 10, flows hydraulically or fluidly connected into a flow channel 2 (FIG. 5) which in turn opens into the flow outlet nozzle 103, where the flow then to a Radiator 30 is discharged.
  • the return intake port 104 into which the return flows from the radiator 30 opens into a return channel 3 of the connection fitting 10 and this in the return outlet port 102 at which the return is discharged into the heating system.
  • the supply outlet nozzle 103 and the supply inlet nozzle 101, and the return intake port 104 and the return outlet port 102 and their central longitudinal axes are arranged coaxially.
  • the flow axis 107 between the feed outlet nozzle 103 and flow inlet nozzle 101 and the return axis 108 between return intake pipe 104 and return discharge nozzle 102 are arranged parallel to each other.
  • the flow channel 2 and the return channel 3 are integrated in a common housing 6 of the connection fitting 10. Between the walls of the flow channel 2 and the return channel 3, a web 106 connecting the two walls is formed.
  • the connection fitting 10 comprises a differential pressure regulator 1 (FIG. 5), which is fluidly arranged between the feed channel 2 and the return channel 3 and is integrated in the web 106 in this embodiment.
  • the connection fitting 10 further comprises a thermostatic valve 8 integrated into the flow channel 2 and a shut-off valve 31 integrated in the return flow channel 3.
  • the thermostatic valve 8 and the shut-off valve 31 are arranged perpendicular to the leading axis 107 and the return axis 108 and aligned with each other.
  • FIG. 5 shows a sectional view of an embodiment of the connection fitting 10 according to the invention according to the section axis A-A shown in FIG. 4.
  • the flow channel 2 extends between the flow inlet nozzle 101 and the flow discharge nozzle 103 and has a 90 ° bend in the region of the thermostatic valve 8 to the axis of the thermostatic valve 8, passes through the valve seat 22 of the thermostatic valve 8 and then back into the axis of the supply outlet nozzle 103rd Der Return passage 3 extends from the return intake port 104 via a 90 ° bend on the valve seat 32 of the check valve 3 of the return channel 3 and then flows into the return outlet nozzle 102.
  • the return axis 108 and the leading axis 107 are aligned parallel to each other, whereby the flow outlet nozzle 103 with the return intake port 104 and the Return discharge nozzle 102 is arranged with the flow inlet nozzle 101 parallel and in a plane.
  • the thermostatic valve 8 and the associated valve seat 22 are arranged perpendicular to the flow axis 107 and aligned with the axis of the check valve 31st
  • the shut-off valve 31 and its valve seat 32 are arranged perpendicular to the return axis 108 and are arranged concentrically with the thermostatic valve 8 in alignment.
  • the thermostatic valve 8 and the shut-off valve 31 are located in the axis of the web 16 and are arranged in each case at the outer end of the housing 6 opposite to the adjusting taps to the outside.
  • the differential pressure regulator 1 is arranged in an axis with the valve seat 22 and the valve seat 32 and thus with the thermostatic valve 8 and the shut-off valve 31. Between the differential pressure regulator 1 and the valve seat 32 of the shut-off valve 31, a throttle gap 5 is formed in the return passage 3. The width of the throttle gap 5, so the distance of the differential pressure regulator 1 from the valve seat 32 determines the pressure difference and thus provides the Differential pressure between flow channel 2 and return channel 3 and thus between flow line and return line.
  • the differential pressure regulator 1 comprises a control piston 13, which is formed in this embodiment as a hollow cylinder.
  • the differential pressure regulator 1 further comprises a spring 1 1, in this embodiment, a compression spring, the force applied to the control piston 13. If the control piston 13 is pressurized by the pressure prevailing in the flow channel 2 pressure, this is moved against the spring force of the spring 1 1 in the return channel 3 and the throttle gap 5 is changed, in this case reduced. Due to the reduced width of the throttle gap 5 more pressure at the differential pressure regulator is reduced and so set the pressure difference between the feed channel 2 and return channel 3.
  • control piston 13 is arranged in alignment with the axis of the control channel 7 and the axes of the valve seat 21, the valve seat 32 and thus with the shut-off valve 31 and the thermostatic valve 8. Trained as a hollow cylinder control piston 13 is facing a first end face 131 of the flow channel 2 and projects into this and is facing with its second end face 132 of the return channel 3 and also protrudes into this. At the first end face 131 facing the flow channel 2, the control piston 13 is sealed by a pressure flange 15 to the flow channel 2.
  • the differential pressure regulator 1 further comprises a flexible membrane 12, which is arranged on the circumference of the first end face 131 of the control piston 13 and spans to the web 16 and thus to the wall of the control channel 7.
  • the membrane 12 separates with the pressure flange 15 the flow channel 2 fluid-tight from the return channel 3 and prevents an exchange or bypass flow of the flowing in the flow channel 2 via the radiator 30 in the return channel 3 heating medium.
  • the membrane 12 is clamped to the wall of the control channel 7 between a projection of the wall and a fixing ring 18 and fixed in position.
  • the membrane 12 is fixed between the pressure flange 15 and a molded part 17, which is supported on a shaft edge of the control piston 13.
  • the membrane 12 is made of a flexible material, such as rubber or other materials suitable for the prior art for membrane, and may move with displacement of the control piston 13 with this.
  • the molded part 17 and the fixing ring 18 are formed on its side facing the membrane 12 opposite curved and prevent snapping or unwanted deformation of the membrane 12.
  • the spring 1 1 is arranged around the control piston 13 and concentrically with this and at the flow channel 2 facing side of the molding 17 and on the return channel 3 facing Side supported on a support ring 19.
  • the spring 1 1 is designed as a compression spring and pressurized seh is the control piston 13 in the direction of the flow channel 2.
  • the control piston 13 protrudes with the second end face 132 in the return channel 3 into, is with the valve seat
  • the throttle sleeve 33 extends the valve seat 32 and is aligned therewith.
  • Trained as a hollow cylinder control piston 13 has a perpendicular to the axis of the control piston 13 opening 133.
  • the opening 133 is disposed opposite to the direction of gravity in the differential pressure regulator 1 in order to prevent inflow or inflow of suspended or dirty parts.
  • the feed pressure P1 flows from the feed line via the feed intake port 101 into the feed channel 2.
  • the membrane 12 is acted upon via a formed on the fixing ring 18 through hole 20 with the pressure flange 15 with the flow pressure P1.
  • the heating medium flows through the flow side, formed in the flow channel 2 valve seat 21 of the thermostatic valve 8 and flows through the flow outlet nozzle 103 into the radiator 30 a.
  • the heating medium flows with the pressure P2 back to the radiator 30 and into the trained as a tap block connection fitting 10 on the return intake port 104 and passes the check valve 31 on the valve seat 32.
  • the heating medium then flows through the throttle sleeve
  • the differential pressure is thus regulated by the position of the acted upon by the spring 1 1 control piston 13 and the seated on the flow side diaphragm 12 by the adjustment of the throttle gap 5.
  • the throttle gap 5 between control piston 13 of the differential pressure regulator 1 and valve seat 32 and the throttle sleeve 33 is dependent on the Pressure difference between the flow channel 2 and return channel 3 changed and thus the possibly excess pressure as degraded in a throttle.
  • FIGS. 7 to 9 show an embodiment of the closure fitting 10 according to the invention in three operating states.
  • the differential pressure regulator 1 is shown in the maximum open state.
  • the control piston 13 is displaced maximally to the flow channel 2 and the throttle gap 5 has a maximum width. This condition occurs mainly during assembly or the same pressure P1 and P2.
  • Fig. 9 shows the differential pressure regulator 1 in the maximum closed state.
  • the control piston 13 is displaced in the extreme position in the direction of the control seat 32 and the throttle sleeve 33 in the return passage 3 and the throttle gap 5 is closed. This state occurs, for example, at the first inflow of the heating medium in the connection fitting 10 or when the shut-off valve 31 is closed in the return channel 3.
  • Fig. 8 shows the differential pressure regulator 1 in the operating state.
  • the control piston 13 is set in a position between the maximum positions and the throttle gap 5 is between closed and maximum width. This condition occurs during operation of the connection fitting 10 or the heating system when the radiator 30 is connected.
  • the width of the throttle gap 5 depends on the pressure difference between the feed line and the return line and the change in the pressure conditions on a thermostat valve 8 connected to the radiator 30 or the connection fitting 10.
  • the throttle gap is in the embodiments described in Fig. 1 to 1 1 between 0 and 5 mm, in particular between 0 and 3 m, adjustable, wherein the working range of the throttle gap between 0 to 1, 5 mm.
  • FIGS. 10 and 11 show a further embodiment of the connection fitting 10 according to the invention.
  • the differential pressure regulator 1 is integrated in a cartridge 9, which in turn is introduced into the control channel 7 of the connection fitting 10.
  • the cartridge 9 allows an accurate and easier installation of the differential pressure regulator 1, since the assembly au ßergur the connection fitting 10 can be done.
  • the cartridge 9 is introduced and mounted after mounting the differential pressure regulator 1 through the opening in the flow channel 2 for the thermostatic valve 8 in the connection fitting 10.
  • the cartridge 9 can also be introduced via the opening of the housing 9 in the return channel 3.
  • FIGS. 12 to 14 show further embodiments of the connection fitting 10 according to the invention.
  • FIG. 12 shows schematically that shut-off valves 31 a, 31 b are arranged both in the flow channel 2 and in the return channel 3.
  • a thermostatic valve 8 may optionally be integrated or mounted in the radiator 30 in this embodiment.
  • Fig. 13 shows as well as in Figs. 1 to 1 1 shown the integration of a thermostatic valve 8 in the flow channel 2 and a shut-off valve 31 integrated into the return channel 3.
  • Fig. 14 shows an embodiment in the flow channel 2, a check valve 31 and the return channel 3, a thermostatic valve 8 is arranged.
  • connection fitting 10 can at the flow channel 2, the return channel 3, the supply outlet port 103, the sudlaufein substancesstutzen 104, the Vorlaufan.estutzen 101 and / or the gearfanabgabestutzen 102 connection nuts with axial tolerance compensation for a stress-free assembly, compression fittings, free-turning nuts or other known from the prior art Have connecting elements.
  • connection fitting 10 may be formed as a corner fitting, wherein the flow channel 2 and the return channel 3 each have a bent at an angle of 90 ° course.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Safety Valves (AREA)

Abstract

L'invention concerne un raccord destiné à un corps chauffant, le raccord (10) étant configuré en bloc de robinet pourvu d'une canalisation montante (2) et d'une canalisation descendante (2) ; un régulateur de pression différentielle (1) est disposé entre la canalisation montante (2) et la canalisation descendante (3) de telle sorte que le régulateur de pression différentielle (1) est mis à la pression dans la canalisation montante (2) et/ou la canalisation descendante (3), et de telle sorte que le régulateur de pression différentielle (1) permet de régler une fente d'étranglement (5) ménagée dans la canalisation descendante (3) ou la canalisation montante (2), en fonction de la différence de pression entre la canalisation montante (2) et la canalisation descendante (3).
PCT/AT2015/050164 2014-07-14 2015-07-14 Raccord d'un corps chauffant au niveau des canalisations montante et descendante d'une installation de chauffage à deux tubes Ceased WO2016007977A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50487/2014 2014-07-14
AT504872014 2014-07-14

Publications (1)

Publication Number Publication Date
WO2016007977A1 true WO2016007977A1 (fr) 2016-01-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2015/050164 Ceased WO2016007977A1 (fr) 2014-07-14 2015-07-14 Raccord d'un corps chauffant au niveau des canalisations montante et descendante d'une installation de chauffage à deux tubes

Country Status (1)

Country Link
WO (1) WO2016007977A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115389352A (zh) * 2022-10-27 2022-11-25 圣塔菲医疗科技(常州)有限公司 一种心血管植入物疲劳试验装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19713953A1 (de) * 1996-04-10 1997-10-30 Herz Armaturen Ag Armatur zum Anschluß eines Heizkörpers an die Zulauf- und Rücklaufrohrleitungen einer Zweirohrheizanlage
DE69516282T2 (de) * 1994-06-16 2000-11-30 Tour & Andersson Hydronics Ab, Ljung Vorrichtung zur regelung des druckes und der strömung in kühl-oder heizanlagen
DE10256021A1 (de) * 2002-11-30 2004-06-17 Danfoss A/S Wärmetauscher-Ventilanordnung, insbesondere Heizkörper-Ventilanordnung
DE202008005465U1 (de) * 2008-04-18 2008-07-17 Voss Automotive Gmbh Überstromventil

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69516282T2 (de) * 1994-06-16 2000-11-30 Tour & Andersson Hydronics Ab, Ljung Vorrichtung zur regelung des druckes und der strömung in kühl-oder heizanlagen
DE19713953A1 (de) * 1996-04-10 1997-10-30 Herz Armaturen Ag Armatur zum Anschluß eines Heizkörpers an die Zulauf- und Rücklaufrohrleitungen einer Zweirohrheizanlage
DE10256021A1 (de) * 2002-11-30 2004-06-17 Danfoss A/S Wärmetauscher-Ventilanordnung, insbesondere Heizkörper-Ventilanordnung
DE202008005465U1 (de) * 2008-04-18 2008-07-17 Voss Automotive Gmbh Überstromventil

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115389352A (zh) * 2022-10-27 2022-11-25 圣塔菲医疗科技(常州)有限公司 一种心血管植入物疲劳试验装置
CN115389352B (zh) * 2022-10-27 2023-02-03 圣塔菲医疗科技(常州)有限公司 一种心血管植入物疲劳试验装置

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