EP1176369A1 - Versorgungseinheit zwischen einem Erzeuger, der eine Flüssigkeit auf eine bestimmte Temperatur bringt und mindenstens zwei Gebrauchskreisläufen mit unterschiedlichen Temperaturen - Google Patents

Versorgungseinheit zwischen einem Erzeuger, der eine Flüssigkeit auf eine bestimmte Temperatur bringt und mindenstens zwei Gebrauchskreisläufen mit unterschiedlichen Temperaturen Download PDF

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Publication number
EP1176369A1
EP1176369A1 EP01440237A EP01440237A EP1176369A1 EP 1176369 A1 EP1176369 A1 EP 1176369A1 EP 01440237 A EP01440237 A EP 01440237A EP 01440237 A EP01440237 A EP 01440237A EP 1176369 A1 EP1176369 A1 EP 1176369A1
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EP
European Patent Office
Prior art keywords
temperature
fluid
circuit
return
generator
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.)
Granted
Application number
EP01440237A
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English (en)
French (fr)
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EP1176369B1 (de
Inventor
Patrice Nagel
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.)
Rehau SAS
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Rehau SAS
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Filing date
Publication date
Application filed by Rehau SAS filed Critical Rehau SAS
Publication of EP1176369A1 publication Critical patent/EP1176369A1/de
Application granted granted Critical
Publication of EP1176369B1 publication Critical patent/EP1176369B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F24D3/00—Hot-water central heating systems
    • F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
    • F24D3/1058—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system disposition of pipes and pipe connections
    • F24D3/1066—Distributors for heating liquids
    • 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

Definitions

  • the present invention relates to a power supply of at least two circuits use of a fluid brought to a temperature of base by a heat or cold generator.
  • This power pack includes regulated manifold dual temperature ensuring the interface between the generator and the circuits for using heat or cold operating at different temperatures.
  • the invention relates more particularly to a power supply between a generator by example of hot water and at least two circuits of heat use at temperatures different.
  • Heating with hot water is taken here as a descriptive example without rendering it limiting. On the contrary, the invention remains valid and applicable in many other areas.
  • underfloor heating is considerably developed in recent years for individual houses because it constitutes in the majority of cases the most suitable solution for provide a significant degree of comfort with regard to concerns the component of well-being linked to heating.
  • This very comfortable heating mode puts using one or more lines of conduits heat carriers according to arrangements and figures in layers in various simple shapes or combined. These conduits are intended to be embedded in the floor structure of the rooms to be heated. In these conduits circulates from hot water to relatively low temperature in the heating sector, by example around 20-40 ° C.
  • This arrangement of conduits or tubes constitutes a heat emitting network which heats the floor screed and through it the interior volume of the corresponding part in a sufficiently uniform so that the occupant (s) feel superior comfort compared to other modes of heating.
  • radiators requiring hot water at higher temperature located in the 60-80 ° C range, or mixed by the floor and by radiators.
  • Distribution channels must be carried out near the boiler, i.e. away from the user circuits, or distribution subunits must be provided, which significantly increases the cost of installation. For aesthetic reasons, we come to pass distribution tubes under the house to reach technically the pieces invisibly from inside the house.
  • This invention relates to a double collector enclosed in a thermally insulating box.
  • the hydraulic inlet of this box is a single round trip connection to the nearby boiler and the exit serves three circuits: one for underfloor heating and the other two for the heating by radiators.
  • the starting collectors are also three in number, while there is no only one return collector accepting both return of radiators than return of the floor (s) heating.
  • thermostatic or variable flow by an overflow valve mounted between back and forth, which allows to drift towards the part of the incoming flow.
  • This technical solution does not solve the problem posed due to the difficulty regulating and lowering the temperature of the circuit or circuits corresponding to heating by floor.
  • the collector supplying this circuit is connected directly to the hot water supply.
  • the power assembly comprising a bi-temperature regulated collector according to the invention a intended to remedy these various drawbacks.
  • the present invention relates to a regulated manifold power supply dual temperature providing the interface between a source of heat, for example a hot water boiler and minus two circuits of use at temperatures different.
  • heating without excluding others applications such as industrial, for example in the food industry or in the field of cooking or maintaining or reheating dishes and many other applications, for example the cleaning or laundry.
  • a mixed heating system consists conventionally from a single boiler 1 distant from two types of use circuits one 2 by radiators such as 3, and the other 4 by at least one underfloor heating such as 5 formed of a plane figure in sheet 6 representing the layout of a tube 7 transporting the heat transfer fluid.
  • the radiators 3 conventionally comprising thermostatic valves 8 are connected by connections individual hydraulic feeds 9, 10 and 11 to a riser 12 through manifolds floors such as 13 and 14.
  • the riser 12 is specific to the heating circuit by radiators 3. This riser 12 starts from the upper circuit boiler temperature 1.
  • the heated floor 5 is connected through other floor collectors such as 15 to a column rising 16 starting from the low temperature circuit of the boiler 1.
  • the present invention avoids the double hydraulic connection between the boiler and the point of birth of distribution channels to elements and devices for dissipating the heat by creating a primary circuit containing a bi-temperature regulated manifold assembly.
  • the invention starts from the inventive principle which consists of connecting a calorie or frigories transmitted to a fluid brought to a base temperature at least two circuits operating at two temperatures of different uses and this through a link single feed hydraulic connecting this generator to a manifold assembly from which the distribution of heat transfer fluid or coolant supplying these at least two circuits.
  • the boiler 1 is hydraulically connected to a manifold assembly 17 by a single 18 high water supply link temperature corresponding to that required for radiators 3.
  • This unique hydraulic connection supply 18 consists of two conduits including one, the outward path 19, starts from the normal exit of heating of the boiler known as the heating flow outlet 20 at maximum temperature for heating by radiators and the other, the return duct 21, is connected to the return input 22 of the boiler 1 for the admission of the fluid for its reheating.
  • circuits of use are in the example used for descriptive purposes two in number and of the type of those already described, namely a circuit of heating by radiators such as 3 and a circuit heating by one or more heated floors such than 5, a system more generally called heating by floor.
  • the underfloor heating circuit uses water at low temperature of the order of 20 ° C to 40 ° C while the heating circuit by radiators such that 3 uses hot water at a higher temperature high between 60 ° C and 80 ° C, i.e. approximately double the temperature used for the first underfloor heating circuit.
  • the unique hydraulic feed link 18 from boiler 1 allows placing the manifold assembly 17 as close as possible to the circuits of use in order to simplify assembly, to house this collector assembly in a suitable place of the house and save the lengths of tubing distribution to the rooms as shown in the figure 2.
  • the manifold assembly 17 is enclosed in a thermally insulated box (not shown). Due of the small number of components, it can be realized in a compact version.
  • the bi-temperature regulated collector consists of different elements following.
  • Two distributor blocks, one upstream 23 and the other downstream 24 hydraulically separated by a pump traffic 25 form with single bond supply 18 a primary charging circuit 26 outside the boiler.
  • This primary circuit 26 comprises a boiler circulator 27 placed at inside the boiler casing or at the outlet from the start 20 of the boiler 1.
  • the primary circuit outside 26 is looped on the boiler 1 by the return duct 21.
  • the outlet ducts 19 and return 21 together form the hydraulic connection single supply 18 connecting the boiler 1 to the manifold assembly 17.
  • a regulator or regulation module 28 connected by a first detection line 29 to a probe thermal flow temperature 30 inserted in the primary circuit 26.
  • the regulator 28 controls the operation of the circulation pump 25.
  • a safety aquastat 31 is mounted in series downstream of the thermal probe 30.
  • the regulator 28 is also connected by a second detection line 32 to a probe outdoor 33 located in a sheltered place at the exterior of the dwelling or building.
  • Safety aquastat 31 protects the underfloor heating system by stopping the circulation pump 25 during overheating.
  • a first bypass 34 short-circuiting the circulation pump 25 in the event of total closure of all radiators 3.
  • This branch 34 shown in lines broken is normally closed. Its opening is controlled for example by the thermostatic valve 8 one of the radiators.
  • a second diversion is planned short-circuit 35 shunting the output conduits the boiler downstream of the boiler circulator 27.
  • Each upstream distributor block 23 or downstream distributor block 24 consists of two chambers, one starting and the other back, for each of the two usage circuits, for example the heating circuit by radiators and that of underfloor heating.
  • Each room or compartment has inlet or outlet ports fitted with fittings for the connection respectively of a series of tubes of distribution and recovery of hot water from underfloor heating or other use circuits to a first temperature and a series of tubes of distribution and recovery of hot water from radiators or other single-use circuits second temperature according to two temperature ranges one low and the other high respectively.
  • the upstream distributor block 23 comprises a starting manifold 36 formed of a first supply chamber 37 for radiators 3 in which the water is that coming from the boiler at a temperature preferably between 80 ° C-90 ° C.
  • a series of tubes constitutes the start 38 of the loops supply circuits to radiators 3.
  • the upstream distributor block 23 also includes a return collector 39 formed by a second chamber said receiving chamber 40 for the return water from loops of the underfloor heating circuits by a series of tubes forming the returns 41 of the loops of the underfloor heating circuits.
  • These two supply chambers 37 and reception 40 communicate hydraulically with each other in the direction of water circulation in the circuit primary 26 through an intermediate compartment 42 flow with variable flow and adjustable on command equipped for example for this purpose with a controlled organ of flow control, for example a motorized valve 43 controlled by the installation management system of heater. It can for example be a device communication 44 with adjustable flow and controllable by the regulator 28 of the drawer and baffle type or variable position plug driven in displacement by an external electric motor 45.
  • This debit communication 44 variable is to get into the room of receiving 40 high temperature hot water in variable and adjustable quantity according to needs of the underfloor heating circuit (s) for increase by mixing the temperature of the water underfloor heating.
  • This water comes from the room adjacent supply 37 of radiators 3 and the reception room 40 also has the function of mixer.
  • Exit from reception room 40 communicates with the circulation pump 25, the operation is controlled by the regulator or module 28 depending on the value of the outdoor temperature supplied by the outdoor sensor 33 and the water temperature at its entry into the downstream distributor block 24 informed at regulation module 28 by the thermal probe 30.
  • the intermediate compartment 42 with flow variable has an additional start 46 to a particular heating circuit by one or more radiator (s) corresponding to a different flow or to the return of the boiler.
  • the downstream distributor block 24 is also divided into two rooms called compartments. We distinguishes a starting compartment 47 from the circuits of underfloor heating and a return compartment 48 heating circuits by radiators 3. This last compartment has a direct exit to the boiler through the return duct 21.
  • the start compartment 47 communicates laterally with the branch of the internal circuit of the manifold assembly 17 downstream of the circulation 25.
  • both compartments 47 and 48 are hydraulically isolated by a transverse partition wall 49 having a hydraulic communication passage 50 represented by an interruption crossed by an arrow in the figure 3.
  • Compartments 47 and 48 have exits or side entrances each equipped with a fitting for connecting the ends of the loops heating circuits by radiators 3 or by the floor in each of the rooms thus equipped. he for departure compartment 47, series 51 of tubes forming the births of the loops of the underfloor heating circuits. For the return compartment 48 arrivals 52 loops heating circuit by radiators 3.
  • the hydraulic communication passage 50 through the partition wall 49 between the two compartments 47 and 48 is closed by a non-return element by example a non-return valve 53 mounted passing through the direction from departure compartment 47 to compartment return valve 48.
  • This non-return valve 53 makes it possible to avoid the passage of water from the return compartment 48 to the starting compartment 47 in the case of a circulator-boiler 27 more powerful than the pump traffic 25.
  • the single boiler 1 generally located in a place of dependence or the cellar of the home, delivers hot water at a temperature high for example 90 ° C at the manifold assembly 17. This water is brought for example under low pressure thanks to the circulator-boiler 27 and by the connection single hydraulic 18 to the manifold assembly 17.
  • the upstream distributor block 23 receives this water by its first room 37 from which it goes to the radiators 3 through multiple distribution conduits.
  • the radiators 3 each equipped with a thermostatic valve 8 receive this variable rate hot water dosed by thermostatic valves 8 according to the needs of the moment i.e. the instantaneous temperature of the room. Hot water having passed through each radiator 3 is led by the corresponding return loop of the heating circuit by radiators 3 to the return compartment 48 of the downstream distributor block 24. Under the effect of the circulator-boiler 27, it circulates in the heating circuit and then returns to the boiler 1 to be heated there.
  • This water is forced under low pressure by the pump traffic 25 to departure compartment 47 of downstream distributor block 24 for supplying the circuit underfloor heating.
  • the excess water i.e. the quantity of water which was used by mixing in the room of reception 40 to raise the water temperature back from the underfloor heating circuit before its feedback into the circuit is transferred through the hydraulic passage 50 to return compartment 48 serving as a return manifold for the radiators.
  • Temperature regulation at the level of heating circuits can be performed according to different laws implemented by the regulator 28.
  • the operation of the burner or the boiler ramp to maintain a level predetermined high water temperature according to the current outdoor temperature or its average over a certain duration.
  • the invention has been described in connection with a heating application with two modes different, one by radiators and the other by the floor structure. However it is not found limited to these applications alone and many more are possible in all areas where the heat supplied by hot water at two temperature levels can be used, i.e. for example cooking, reheating and maintaining temperature of dishes, laundry, hydrotherapy ...
  • the invention is in no way limited with two distributor blocks.
  • the number of distribution blocks may vary as well as that of circuits of use and thereby the number of different temperatures of use.

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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)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Devices For Medical Bathing And Washing (AREA)
EP01440237A 2000-07-26 2001-07-25 Versorgungseinheit zwischen einem Erzeuger, der eine Flüssigkeit auf eine bestimmte Temperatur bringt und mindenstens zwei Gebrauchskreisläufen mit unterschiedlichen Temperaturen Expired - Lifetime EP1176369B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0009796 2000-07-26
FR0009796A FR2812377B1 (fr) 2000-07-26 2000-07-26 Ensemble d'alimentation entre un generateur portant un fluide a une temperature de base et au moins deux circuits d'utilisation de ce fluide a des temperatures differentes

Publications (2)

Publication Number Publication Date
EP1176369A1 true EP1176369A1 (de) 2002-01-30
EP1176369B1 EP1176369B1 (de) 2004-09-15

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ID=8852932

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Application Number Title Priority Date Filing Date
EP01440237A Expired - Lifetime EP1176369B1 (de) 2000-07-26 2001-07-25 Versorgungseinheit zwischen einem Erzeuger, der eine Flüssigkeit auf eine bestimmte Temperatur bringt und mindenstens zwei Gebrauchskreisläufen mit unterschiedlichen Temperaturen

Country Status (5)

Country Link
EP (1) EP1176369B1 (de)
AT (1) ATE276491T1 (de)
DE (1) DE60105512T2 (de)
ES (1) ES2228779T3 (de)
FR (1) FR2812377B1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0309440A2 (de) 1987-09-17 1989-03-29 Alois Schwarz Heizungsanlage
DE29720685U1 (de) * 1997-11-21 1999-03-25 Gebr. Meibes Holding GmbH, 30916 Isernhagen Verteiler für Warmwasserversorgungsanlagen
EP1020687A2 (de) * 1999-01-18 2000-07-19 Supellex AG Vorrichtung zum Verteilen und Mischen eines im geschlossenen Kreislauf umgewälzten Wärmeträgermediums
US6092734A (en) * 1995-08-29 2000-07-25 Monard (Research & Development) Limited Manifold for connecting circuits of a central heating system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0309440A2 (de) 1987-09-17 1989-03-29 Alois Schwarz Heizungsanlage
US6092734A (en) * 1995-08-29 2000-07-25 Monard (Research & Development) Limited Manifold for connecting circuits of a central heating system
DE29720685U1 (de) * 1997-11-21 1999-03-25 Gebr. Meibes Holding GmbH, 30916 Isernhagen Verteiler für Warmwasserversorgungsanlagen
EP1020687A2 (de) * 1999-01-18 2000-07-19 Supellex AG Vorrichtung zum Verteilen und Mischen eines im geschlossenen Kreislauf umgewälzten Wärmeträgermediums

Also Published As

Publication number Publication date
DE60105512T2 (de) 2005-10-13
DE60105512D1 (de) 2004-10-21
ES2228779T3 (es) 2005-04-16
EP1176369B1 (de) 2004-09-15
FR2812377B1 (fr) 2002-12-13
ATE276491T1 (de) 2004-10-15
FR2812377A1 (fr) 2002-02-01

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