WO2018157997A1 - Dispositif de chauffage - Google Patents

Dispositif de chauffage Download PDF

Info

Publication number
WO2018157997A1
WO2018157997A1 PCT/EP2018/051271 EP2018051271W WO2018157997A1 WO 2018157997 A1 WO2018157997 A1 WO 2018157997A1 EP 2018051271 W EP2018051271 W EP 2018051271W WO 2018157997 A1 WO2018157997 A1 WO 2018157997A1
Authority
WO
WIPO (PCT)
Prior art keywords
tank
heating element
installation unit
heating device
liquid
Prior art date
Application number
PCT/EP2018/051271
Other languages
German (de)
English (en)
Inventor
Juergen Hanneke
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2018157997A1 publication Critical patent/WO2018157997A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/78—Heating arrangements specially adapted for immersion heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/16—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being an electric heater, i.e. a resistance heater
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/10—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1406—Storage means for substances, e.g. tanks or reservoirs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1433—Pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1486—Means to prevent the substance from freezing
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • the invention relates to a heating device according to the preamble of the independent claim.
  • Fluid delivery mechanism such as a pump, and corresponding conduits that interconnect the tank, delivery mechanism and consumers.
  • tanks must be equipped with heaters for this purpose. These allow a liquid state of aggregation of the medium even at low temperatures.
  • the heaters used today are usually powered by electricity and give their heat, for example via politiciansleitkoerper in a narrow range of medium from.
  • Heating a medium in a tank for example, to thaw a frozen aqueous urea solution. Disclosure of the invention
  • the heating device according to the invention with the characterizing features of the independent claim has the advantage of providing an improved heating performance. Another advantage is to be considered that the available electrical energy can be better utilized by a larger-scale distribution in the tank.
  • the integral flexible heating element advantageously allows the use of a standard flexible heating element for various tank shapes.
  • Heating element to distribute available heat efficiently throughout the tank.
  • Heating element in its intended end position to achieve an increased Auftaumenge a previously frozen in the tank medium at the same supplied electrical power over known electric heaters.
  • FIG. 1 a tank installation unit in cross-sectional side view
  • FIG. 2 the tank installation unit in top view from above
  • FIG. 3 a mounting situation
  • FIG. 4 a further mounting situation
  • Figure 5 is a side view of a part of a tank with built-in
  • Figure 6 is a plan view from above of the aforementioned portion of the tank
  • Figure 7 is a heating device in side view
  • Figure 8 is a plan view from above of a portion of the heater.
  • FIG. 1 shows a tank installation unit 1 for installation in an opening of the wall of a liquid tank such that after installation arranged on the tank installation unit 1 units such as an example electric heater 2 and a non-illustrated feed pump 33 associated
  • the Tank installation unit has a
  • Heating device 2 arranged filter element 7 for filtering the liquid or an in-tank aqueous urea solution (trade name "AdBlue”) is laterally at least partially surrounded by the border and below the fixed heating element 8 of the electric heater. 2
  • Heating element 12 is hereby connected mechanically via a connection 10 with the fixed heating element 8.
  • the supply of the flexible heating element 12 with electrical energy via the power supply which is in any case provided for the fixed heating element 8, can also be effected via this connection 10.
  • a sound tube 6 for an ultrasonic sensor for filling level measurement or for determining the quality of the tank contents can also be seen.
  • the filter element is approximately kidney-shaped in plan view and follows at a certain distance the course of
  • the fixedly arranged heating element 8 has several
  • flexible heating element 12 is formed, for example, as a flexible resistance line, in particular as a flexible PTC resistance line, and in particular directly connected to the connection 10, which is designed as a welded or glued connection
  • Heating element 8 is connected, wherein the heating element 8 is preferably designed as a likewise provided with PTC characteristic standard heating element, as described for example in DE 10 2012 213 417.
  • a So-called PTC resistance line or a so-called PTC characteristic has or describes a positive temperature coefficient, ie with increasing temperature, the electrical resistance decreases
  • the further heating element can be installed together with the other components on the tank installation unit and subsequently introduced into the liquid tank.
  • FIG. 3 shows a tank installation unit 1 just before their connection to the liquid tank 34, which in a
  • Embodiment in the lower tank wall 22 an opening 25 into which the tank installation unit is inserted with installation direction 20 from below into the tank so that thereafter, in particular the heaters, the pump housing and the filter element are in the tank interior 21. Subsequently, the edge 23 of the bottom portion 4 of the tank installation unit and / or the border 5 is liquid-tightly connected to the lower tank wall 22, for example in the form of a flange connection or by welding or fusing the two plastic parts (tank wall, bottom portion of the tank installation unit).
  • Tank installation unit is slipped over the flexible heating element, after attachment of the bottom portion of the tank installation unit to the lower
  • Tank wall are drawn off via a guided through an upper, for example, the filling opening 26 of the tank cord 31 and removed from the tank, so that the flexible heating element can subsequently unfold freely in the tank, as shown in Figure 4.
  • the arrow 32 indicates the direction of removal of the mounting aid, and the other, flexible heating element 12 is now in a deployed or rolled-out layer 120, which is also beyond of the edge 23 of the bottom region or beyond the border 5 extends into the tank.
  • a rigid mounting aid in the form of a more or less rigid tube can be used, the first on the flexible
  • Heating element is pulled and removed after installation of the tank unit through the opening 26 of the heater.
  • the flexible portion of the heater or the further heating element 12 can, as shown in Figure 5 in side view and in Figure 6 in plan view, further be equipped with one or more heat-conducting bodies 40 in order to achieve an enlargement of the heat transfer surface. This leads to that at
  • Embodiment of the further heating element as a PTC resistor line this advantageously comes later in the downsizing, especially at low levels 42. This will in addition to using a
  • Figures 7 and 8 illustrate in side view and in plan view, as the spatial arrangement of the further, flexible heating element 12 after introduction of the tank installation unit in a tank apart from its connection to the
  • Compound 10 is not bound to a particular direction, but can be done in the vertical direction over an angle of approximately 180 degrees or in the horizontal direction over an angle of approximately 360 degrees.
  • the heating device thus comprises a heating element 8, which can deliver heat energy in a limited area of the tank installation unit, while the further heating element 19 by its spatial extent, in particular its length, or by its intended end position and areas away from the installation position on the tank installation unit, the connection area 10, can reach. This effect is exacerbated by the outsourced, so located in normal operation outside of the tank installation unit heat conducting body 40.
  • the liquid tank is preferably when using a urea tank using a plastic, for example in a
  • HDPE is used as the plastic.
  • HDPE is a thermoplastic, namely a polyethylene, more specifically a polyethylene with low branched polymer chains and therefore high density (“HD"), ranging from 0.94 to 0.97 grams per cubic centimeter lies. Due to its non-polar, hydrophobic surface, this material can be almost only well connected to itself, so that in particular the tank wall to be connected tank installation unit is preferably made with this material, especially if they are liquid-tight with the tank wall, especially adbluedicht, glued or welded shall be.
  • HDPE generally has the advantage of being able to use a simple joining technique such as welding or gluing, ensures tightness even when the tank is filled with aqueous urea solution and can be flexibly dimensioned.

Abstract

L'invention concerne un dispositif de chauffage (2) pour une unité intégrée à un réservoir (1) d'un réservoir de liquide (34), ledit dispositif de chauffage comprenant un élément chauffant (8) pour un apport d'énergie thermique d'une substance pouvant être stockée au préalable dans le réservoir de liquide (34). Ledit dispositif de chauffage comporte un autre élément chauffant (12), lequel est conçu pour des déformations non destructives, en particulier des opérations d'enroulement et/ou de déroulement, pour un stockage dans une position finale appropriée.
PCT/EP2018/051271 2017-03-01 2018-01-19 Dispositif de chauffage WO2018157997A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017203283.9 2017-03-01
DE102017203283.9A DE102017203283A1 (de) 2017-03-01 2017-03-01 Heizeinrichtung

Publications (1)

Publication Number Publication Date
WO2018157997A1 true WO2018157997A1 (fr) 2018-09-07

Family

ID=61022344

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/051271 WO2018157997A1 (fr) 2017-03-01 2018-01-19 Dispositif de chauffage

Country Status (2)

Country Link
DE (1) DE102017203283A1 (fr)
WO (1) WO2018157997A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021205718A1 (de) * 2021-06-07 2022-12-08 Robert Bosch Gesellschaft mit beschränkter Haftung Beheizbarer Behälter zur Speicherung eines Fluids

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10225259B3 (de) 2002-06-07 2004-01-22 Sma Regelsysteme Gmbh Elektrischer Steckverbinder
DE202008010312U1 (de) 2008-07-31 2008-10-02 Phoenix Solar Ag Photovoltaische Anlage und Generatoranschlusskasten in einer photovoltaischen Anlage
WO2008131993A1 (fr) * 2007-04-26 2008-11-06 Voss Automotive Gmbh Raccord pour conduites d'acheminement de substances
WO2008138960A1 (fr) * 2007-05-16 2008-11-20 Inergy Automotive Systems Research (Société Anonyme) Réservoir d'urée et plaque de base avec élément chauffant intégré
WO2011029774A1 (fr) * 2009-09-11 2011-03-17 Emitec Gesellschaft Für Emissionstechnologie Mbh Dispositif d'acheminement pour un agent de réduction
DE102011007184A1 (de) * 2011-04-12 2012-10-18 Robert Bosch Gmbh Heizung für ein Dosiersystem
WO2015185453A1 (fr) * 2014-06-06 2015-12-10 Dbk David + Baader Gmbh Module de chauffage et système de réservoir

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10225259B3 (de) 2002-06-07 2004-01-22 Sma Regelsysteme Gmbh Elektrischer Steckverbinder
WO2008131993A1 (fr) * 2007-04-26 2008-11-06 Voss Automotive Gmbh Raccord pour conduites d'acheminement de substances
WO2008138960A1 (fr) * 2007-05-16 2008-11-20 Inergy Automotive Systems Research (Société Anonyme) Réservoir d'urée et plaque de base avec élément chauffant intégré
DE202008010312U1 (de) 2008-07-31 2008-10-02 Phoenix Solar Ag Photovoltaische Anlage und Generatoranschlusskasten in einer photovoltaischen Anlage
WO2011029774A1 (fr) * 2009-09-11 2011-03-17 Emitec Gesellschaft Für Emissionstechnologie Mbh Dispositif d'acheminement pour un agent de réduction
DE102011007184A1 (de) * 2011-04-12 2012-10-18 Robert Bosch Gmbh Heizung für ein Dosiersystem
WO2015185453A1 (fr) * 2014-06-06 2015-12-10 Dbk David + Baader Gmbh Module de chauffage et système de réservoir

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