EP2858841A1 - Wärmebatterie und zugehörige erwärmungsvorrichtung - Google Patents

Wärmebatterie und zugehörige erwärmungsvorrichtung

Info

Publication number
EP2858841A1
EP2858841A1 EP13727629.1A EP13727629A EP2858841A1 EP 2858841 A1 EP2858841 A1 EP 2858841A1 EP 13727629 A EP13727629 A EP 13727629A EP 2858841 A1 EP2858841 A1 EP 2858841A1
Authority
EP
European Patent Office
Prior art keywords
transfer fluid
heat transfer
heat
thermal battery
outlet
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
EP13727629.1A
Other languages
English (en)
French (fr)
Inventor
Kamel Azzouz
Georges De Pelsemaeker
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.)
Valeo Systemes Thermiques SAS
Original Assignee
Valeo Systemes Thermiques SAS
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 Valeo Systemes Thermiques SAS filed Critical Valeo Systemes Thermiques SAS
Publication of EP2858841A1 publication Critical patent/EP2858841A1/de
Ceased legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/27Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00492Heating, cooling or ventilating [HVAC] devices comprising regenerative heating or cooling means, e.g. heat accumulators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00421Driving arrangements for parts of a vehicle air-conditioning
    • B60H1/00428Driving arrangements for parts of a vehicle air-conditioning electric
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/22Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H1/2215Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00Type of vehicle
    • B60Y2200/90Vehicles comprising electric prime movers
    • B60Y2200/91Electric vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00Type of vehicle
    • B60Y2200/90Vehicles comprising electric prime movers
    • B60Y2200/92Hybrid vehicles
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

Definitions

  • the present invention relates to a thermal battery and a heating device using such a thermal battery. It will find its applications, particularly in the field of motor vehicles and more particularly in the sector of electric or hybrid vehicles.
  • a known solution to reduce the impact of the use of electrical resistors to ensure heating of the passenger compartment is to use latent heat batteries, that is to say thermal batteries for storing and returning of heat through a phase change material. It is thus known to condition the phase change material within microcapsules as in US4911232 or between plates of a heat exchange bundle as in FR2965342 and to integrate the thermal battery into a device. of heating.
  • One of the aims of the invention is therefore to at least partially solve the disadvantages of the state of the art and to propose a thermal battery as well as an efficient heating device whose energy consumption is improved.
  • the present invention therefore relates to a thermal battery, in particular for a motor vehicle, comprising a sealed casing configured to be traversed by a heat transfer fluid passing from a fluid inlet to a fluid outlet, said casing comprising an outer casing defining an interior space containing phase change material capsules, characterized in that said box further comprises heat generating means.
  • the means generating heat allows to directly communicate the heat energy generated by the latter to the capsules of MCP and heat transfer fluid circulating between the capsules of MCP. Due to this direct communication of the heat energy generated, the storage of the heat energy within the thermal battery is improved and less expensive in electrical energy.
  • the heat generating means are heated screen-printed plates intended to be connected to a source of electric current.
  • said heat generating means are integrated in the outer casing.
  • the housing comprises at least one inner wall delimiting internal compartments, within the interior space.
  • the heat generating means are attached to the at least one inner wall.
  • the phase change material capsules are confined in the interior space.
  • the heat transfer fluid is a suspension of capsules of phase change materials.
  • the invention also relates to a heating device, in particular for a motor vehicle, comprising a heat exchanger comprising an inlet and a heat transfer fluid outlet and a pump also comprising an inlet and a heat transfer fluid outlet, said heating device further comprising a thermal battery according to any of the aspects described above.
  • the heat transfer fluid outlet of the thermal battery is connected to the heat transfer fluid inlet of the heat exchanger
  • the coolant outlet of the heat exchanger is connected to the heat-transfer fluid inlet of the pump, and
  • the heat transfer fluid outlet of the pump is connected to the heat transfer fluid inlet of the thermal battery.
  • the heat battery and the pump are grouped together in a heating module.
  • said device is:
  • said device further comprises a three-way valve placed between the heat transfer fluid outlet of the thermal battery and the coolant inlet of the heat exchanger, said valve three. tracks comprising:
  • a second heat transfer fluid outlet connected to the heat transfer fluid inlet of the pump.
  • the three-way valve allows, selectively:
  • heating fluid a circulation of the heat transfer fluid, called heating fluid, in which the first heat transfer fluid outlet of the three-way valve is open and the second heat transfer fluid outlet of the three-way valve is closed, the heat-transfer fluid thereby passing through the 'heat exchanger.
  • FIG. 1 shows a diagrammatic representation in perspective partly in section of a thermal battery
  • FIG. 2 shows a diagrammatic representation in perspective partially in section of the casing of a thermal battery
  • FIG. 3 shows a diagrammatic representation in perspective partially in section of the casing of a thermal battery according to one embodiment
  • Figure 1 shows a schematic representation in perspective and partially in section of a thermal battery.
  • the latter comprises a sealed casing 1 and intended to be traversed by a heat transfer fluid passing from an inlet 11 of heat transfer fluid to an outlet 12 of heat transfer fluid (not shown in this Figure 1).
  • the housing 1 comprises an outer casing 3 defining an interior space 5 in which are placed phase change material (PCM) capsules 7.
  • PCM phase change material
  • the outer casing 3 is made of a material whose sealing characteristics, insulation Thermal and mechanical strength are high, for example, said material may be heat-stable plastic material such as polyetheretherketone (PEEK).
  • the outer envelope 220 may be a succession of envelopes and intermediate layers as shown in FIG. for example, an outer envelope covering a layer of a thermally insulating material, itself surrounding a confinement body in which are placed the MCP capsules 7 and in which circulates the coolant.
  • the capsules of MCP 7 comprise an MCP 71, for example an organic MCP 71 with a phase transition between 55 and 75 ° C., more particularly 70 ° C., covered with a protective layer 72 of polymeric material.
  • MCP 7 capsule is well known to those skilled in the art.
  • the MCP 71 used may in particular be an extruded or polymerized MCP 71, of random shape, for example of spherical, half-spherical or amorphous form, covered with a protective layer 72 of polymeric material.
  • the capsules of MCP 7 preferably have a diameter of between 0.02 mm and 5 mm.
  • the MCP capsules 7 are confined within the interior space 5 of the casing 1 and the coolant, for example a water-glycol mixture, circulates in the casing 1 in contact with said capsules.
  • the coolant for example a water-glycol mixture
  • the MCP capsules 7 preferably have a diameter of between 0.1mm and 5mm.
  • the capsules of MCP 7 are an integral part of the heat transfer fluid which is a suspension of MCP capsules 7.
  • the casing 1 thus plays a role of thermal battery as well as the role of reservoir of heat transfer fluid.
  • the housing i further comprises heat generating means 9 as shown in Figure 2. These heat generating means 9 are preferably integrated in the outer casing 3, especially in the interior space 5, and they may be, for example , heated screen-printed plates intended to be connected to a source of electric current.
  • the housing 1 comprises at least one inner wall 32 delimiting compartments 52 communicating with each other, inside the interior space 5.
  • the heat generating means can be integrated with said at least one inner wall 32.
  • said at least one inner wall 32 can be integral with the outer shell 3.
  • the at least one inner wall 32 is preferably placed transversely to the direction of circulation of the heat transfer fluid inside the housing 1, in order to disturb said circulation and thus allow a homogeneous circulation of the heat transfer fluid within the capsules of MCP 7.
  • the present invention also relates to a heating device 100, especially for a motor vehicle and more particularly for electric or hybrid vehicles, as shown in FIG. 4.
  • the heating device 100 comprises a thermal battery 1 as described above, having an inlet 11 and a heat transfer fluid outlet 12, a pump 120 having an inlet 121 and a heat transfer fluid outlet 122 and a heat exchanger 110 too. having an inlet 111 and an outlet 112 of heat transfer fluid.
  • the heat transfer fluid outlet 12 of the heat battery 1 is connected to the heat transfer fluid inlet 110 of the heat exchanger 110, the heat transfer fluid outlet 112 of the latter being connected to the heat pump medium 120 between the pump 120 and the heat transfer fluid outlet 122 of the latter is connected to the heat transfer fluid inlet 11 of the heat battery 1.
  • the heat exchanger 110 may for example be a radiator, placed at the cabin in order to heat a stream of air arriving therein.
  • the pump 120 allows the heat transfer fluid to be fed into the heating device 100 and can be combined with the heat battery 1 in a heating module 150 surrounded by a protective casing. This grouping within a heating module allows an installation and a easier maintenance of the heating device 100 within the motor vehicle and better protection of these elements.
  • thermal battery 1 comprising integrated heat generating means 9 makes it possible to have a heating device 100 which is simple and compact, with a limited number of elements and therefore inexpensive both energetically and financially.
  • the heating device 100 may be in a so-called storage state where heat energy is accumulated at the level of the heat battery 1, in a so-called heating state, that is to say where heat energy is released at the level of the heat exchanger 110 to heat the cabin, and finally in a state of total stopping.
  • the storage of heat energy at the level of the thermal battery 1 and more particularly at the level of the capsules of MCP 7, can be carried out without the need to circulate the heat transfer fluid inside said heating device 100.
  • the heat generating means 9 are electrically powered and transmit heat energy to the MCP capsules, which allows a reduced power consumption.
  • the pump 120 In the heating state, the pump 120 is in operation and the heat transfer fluid circulates in the heating device 100 according to a so-called heating flow, the heat energy stored in the heat battery 1 being released at the heat exchanger 110 with, if necessary, an additional supply of heat energy, heat generating means 9.
  • the heating device 100 may furthermore comprise a three-way valve 130 comprising a heat-transfer fluid inlet 131 connected to the heat-transfer fluid outlet 12 of the heat battery 1, a first heat transfer fluid outlet 132a connected to the heat transfer fluid inlet 111 of the heat exchanger 110, and a second heat transfer fluid outlet 132b connected to the heat transfer fluid inlet 121 of the pump 120.
  • the fluid in the storage state, can be in motion in the heating device 100 without passing through the heat exchanger 110, as shown in FIG. 5.
  • the first heat transfer fluid outlet 132a of the three-way valve 130 is closed and the second heat transfer fluid outlet 132b of the three-way valve 130 is open.
  • the heat transfer fluid thus avoids passing through the heat exchanger 110 and passes directly from the heat transfer fluid outlet 12 of the heat battery 1 to the heat transfer fluid inlet 121 of the pump 120.
  • the heat generators 9 supply heat energy to the MCP capsules 7 present in the heat battery 1 as well as to the heat transfer fluid itself, which is particularly advantageous in the case where said coolant is a suspension of capsules of MCP 7.
  • FIG. 6 shows a heating device 100 in the heating state with a so-called heat transfer fluid circulation according to the embodiment described above.
  • the first heat transfer fluid outlet 132a of the three-way valve 130 is open and the second heat transfer fluid outlet 132b of the three-way valve 130 is closed, so that the heat transfer fluid can pass through. of the heat exchanger 110 and thus allow the heating of a passenger compartment for example.
  • thermal battery according to the invention as well as the heating device incorporating such a thermal battery, are particularly advantageous because of the direct integration of the heat generating means directly within said thermal battery, thereby enabling reduced power consumption for proper heating efficiency.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
EP13727629.1A 2012-06-11 2013-06-10 Wärmebatterie und zugehörige erwärmungsvorrichtung Ceased EP2858841A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1255430A FR2991761B1 (fr) 2012-06-11 2012-06-11 Batterie thermique et dispositif de chauffage associe.
PCT/EP2013/061928 WO2013186177A1 (fr) 2012-06-11 2013-06-10 Batterie thermique et dispositif de chauffage associe

Publications (1)

Publication Number Publication Date
EP2858841A1 true EP2858841A1 (de) 2015-04-15

Family

ID=48577776

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13727629.1A Ceased EP2858841A1 (de) 2012-06-11 2013-06-10 Wärmebatterie und zugehörige erwärmungsvorrichtung

Country Status (4)

Country Link
EP (1) EP2858841A1 (de)
KR (1) KR20150028805A (de)
FR (1) FR2991761B1 (de)
WO (1) WO2013186177A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113212101B (zh) * 2021-06-02 2022-08-26 合肥工业大学 基于相变胶囊的增程式电动汽车集成式热管理系统及方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4911232A (en) 1988-07-21 1990-03-27 Triangle Research And Development Corporation Method of using a PCM slurry to enhance heat transfer in liquids
ATE404394T1 (de) * 1999-01-25 2008-08-15 Illinois Tool Works Selbstregelendes flexibles heizelement
FR2928867B1 (fr) * 2008-03-19 2010-03-26 Renault Sas Dispositif et procede de chauffage d'un habitacle de vehicule automobile, en particulier un vehicule electrique.
ATE554631T1 (de) * 2009-12-17 2012-05-15 Eberspaecher Catem Gmbh & Co Kg Elektrische heizvorrichtung und wärmeerzeugendes element einer elektrischen heizvorrichtung
DE102009058842B4 (de) * 2009-12-18 2022-01-27 Vitesco Technologies GmbH Fahrzeug mit Temperierungsvorrichtung, Batterie mit Latentwärmespeicher und Verfahren zum Temperieren von Fahrzeugen
DE102010012464A1 (de) * 2010-03-24 2011-09-29 Audi Ag Heizeinrichtung zum Beheizen eines Fahrzeuginnenraums eines Fahrzeugs
FR2965342B1 (fr) * 2010-09-28 2015-02-06 Valeo Systemes Thermiques Batterie thermique, module de chauffage utilisant une telle batterie et dispositif de chauffage utilisant une telle batterie et/ou un tel module

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2013186177A1 *

Also Published As

Publication number Publication date
FR2991761B1 (fr) 2014-07-25
WO2013186177A1 (fr) 2013-12-19
KR20150028805A (ko) 2015-03-16
FR2991761A1 (fr) 2013-12-13

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