Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
  • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
  • F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
  • F24C9/00—Stoves or ranges heated by a single type of energy supply not covered by groups F24C3/00 - F24C7/00 or subclass F24B
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
  • F24S10/00—Solar heat collectors using working fluids
  • F24S10/90—Solar heat collectors using working fluids using internal thermosiphonic circulation
  • F24S10/95—Solar heat collectors using working fluids using internal thermosiphonic circulation having evaporator sections and condenser sections, e.g. heat pipes
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
  • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
  • F24S20/30—Solar heat collectors for heating objects, e.g. solar cookers or solar furnaces
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
  • F24S60/00—Arrangements for storing heat collected by solar heat collectors
  • F24S60/30—Arrangements for storing heat collected by solar heat collectors storing heat in liquids
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
  • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
  • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
  • F28D15/0266—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
  • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
  • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
  • F28D15/06—Control arrangements therefor
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
  • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
  • F28D20/0056—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using solid heat storage material
• • 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
  • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
  • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
  • Y02B40/18—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers using renewables, e.g. solar cooking stoves, furnaces or solar heating
• • 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
  • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
  • Y02E10/00—Energy generation through renewable energy sources
  • Y02E10/40—Solar thermal energy, e.g. solar towers
  • Y02E10/44—Heat exchange systems
• • 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
  • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
  • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
  • Y02E60/14—Thermal energy storage

Definitions

• the invention relates to a heating and / or cooking device with a heat storage block surrounded by thermal insulation, a heating element in the heat storage block, at least one heat consumer, such as, for example, embedded in the insulation.
• a hotplate an oven, a heating radiator, cookware, and a heat transfer element starting from the heat storage block and guided through the insulation to the heat consumer, the heat transfer performance of the heat transfer element being controllable by means of a control member.
• the known heating and / or cooking device before. who goes out of the invention (DE-AS 11 41 063) is an electrically heated heat storage cooker, thus has a heating coil or the like as an electrical heating element, which is used for heating the heat storage block, preferably with the help of cheaper night electricity.
• the heat transport element is a vertically displaceably guided tube or a corresponding bolt made of a good heat-conducting material, in particular of copper.
• the heat transformer port performance of the heat transport element is controlled here that the effective heat transfer area between the heat transfer member and réellever ⁇ consumers or of a corresponding heat transfer version is changed on hillsverbrauc.
• the heat transfer socket together with the associated end of the heat transport element form the control element. This is associated with a mechanical control device in the form of a vertically effective displacement drive for the heat transfer element.
• the heat transport elements are designed as essentially solid rods made of copper, but as a control element they have a valve section arranged in an insulating rotating socket. By rotating the valve section, the effective heat transfer area between the individual parts of the heat transport element can be changed continuously from 0% to 100%.
• a rotary knob is provided as a control device.
• a heat pipe is connected on the one hand to a solar collector for heat absorption, and on the other hand is inserted as a heating element in the heat storage block.
• Another heat pipe leads out of the heat storage block to a heat consumer here in the form of a hotplate.
• the heat transport capacity of the heat pipe can be controlled by lifting and tilting the entire heating and / or cooking device or by setting different inclinations of the heat pipe.
• This control technology takes into account the fact that a heat pipe is a pipe closed at both ends of a suitable material, which is filled to a small extent with a liquid refrigerant.
• heat pipe If the heat pipe is arranged with a certain minimum inclination, heat can be transported from its lower end to its higher end by the medium being cold; begins to evaporate at the lower, warm end, the resulting steam rises and condenses at the upper, cooler end, giving off heat. The condensate runs back to the lower end of the heat pipe - a heat transport circuit is created. A heat transport in the opposite direction, that is from the upper to the lower end of the heat pipe is not possible, so the heat pipe acts thermally as a check valve.
• the invention is based on the object of improving the known heating and / or cooking device with temperature-controllable heat consumers in a universal manner with regard to the efficiency and to simplify the controllability.
• the heating and / or cooking device according to the invention in which the previously demonstrated task is solved, is characterized in that the heat transfer element is a heat pipe, that the heat pipe from the heat storage block to the heat consumer increases, preferably substantially vertically is and that the steam / liquid flow in the heat pipe is controllable by means of the control member.
• the heat transfer element is a heat pipe, that the heat pipe from the heat storage block to the heat consumer increases, preferably substantially vertically is and that the steam / liquid flow in the heat pipe is controllable by means of the control member.
• a heat pipe is used according to the invention.
• FIG. 1 schematically and in section an exemplary embodiment of a heating and / or cooking device according to the invention
• FIG. 2 in an enlarged view, schematically a heat pipe with a control valve for the heating and / or cooking device according to FIG. 1,
• FIG. 3 in Fig. 2 corresponding representation another embodiment of a heat pipe with control valve and 4 in a representation corresponding to FIG. 1, a further exemplary embodiment of a heating and / or cooking device,
• Fig. 5 in an enlarged view, very schematically, the lower region of a heat pipe of a preferred embodiment
• FIG. 6 shows a third embodiment of a heating and / or cooking device in FIG. 1 similar representation.
• FIG. 1 shows that the preferred embodiment of a cooking device shown here has two heat consumers 5 in the form of hot plates, both of which are embedded in the insulation 1.
• hot plates instead of hot plates as heat consumers 5 there is of course also an oven, but possibly also a separate one Cookware, i.e. an element that unites a hotplate and dishes, is questionable.
• the heating and / or cooking device according to the invention could also have a heating radiator or the like as a heat consumer.
• a heat transport element 6 extends from the heat storage block 2 and is guided through the insulation to the heat consumer 5. In the exemplary embodiment shown in FIG. 1, this heat transport element 6 is guided entirely in the heat storage block 2 and in the insulation 1 because of the embedding of the heat consumer 5 in the insulation 1.
• the ' heat transport performance of the heat transport element 6 can be controlled by means of a control member 7 which is mechanically embodied in the exemplary embodiment shown here.
• FIG. 1 and 2 show in principle normal heat pipes 6 as heat transfer elements, ie heat pipes 6 in which the steam / liquid flow takes place in opposite directions in a room, FIG. 3 shows a further preferred embodiment.
• the heat pipe 6 is of two-channel design, namely has a flow channel 8 which only allows a steam flow upwards and a return channel 9 which is essentially parallel to this and only allows a liquid flow downwards.
• a circuit is also realized in a mechanical sense, which further increases the efficiency of the overall arrangement and improves controllability.
• the implementation of only a steam flow in the flow channel 8 and a liquid flow in the return flow channel 9 can be achieved by means of corresponding check valves 10, 11, baffles, filters or the like.
• 3 shows that the two-channel heat pipe 6 has in the lower part a deep-lying collecting area 12 for the liquid, that is to say the liquid refrigerant, and then an ascending area 13 for the steam.
• control element 7 is arranged in the flow channel 8 and here also only in the flow channel 8. This takes into account the fact that, because of the directional flow in the flow channel 8 and return channel 9, it is sufficient to control the steam flow in the flow channel 8.
• the distribution of the steam flow upwards onto the flow channel 8 and the liquid flow downwards onto the return channel 9 is not realized by check valves or the like, but only by the fact that on the one hand the highest point of the heat pipe 6 is provided above the Yorlaufkanals 8 and the heat pipe 6 is immediately descending from there to the return duct 9 and that on the other hand the flow cross section of the remind ⁇ return duct 9 is particularly small.
• the flow cross section of the return channel 9 is small in a capillary manner, namely the diameter of the return channel 9 is approximately 3 mm.
• FIG. 4 shows a preferred embodiment of the invention when the heat pipe 6 is divided into the feed channel 8 and the return channel only just below the insulation 1. This is also shown in Fig. 5 again in a somewhat enlarged representation.
• the lower end of the heat pipe 6 shown in Fig. 5 has a diameter of about 25 to 40 mm, preferably of about 30 mm in the illustrated embodiment, the outgoing flow channel 8 has a diameter of about 10 mm.
• All parts of the heat pipe 6 are made of copper, a filling of about 15 p of water is in the embodiment shown here inside the heat pipe 6.
• Fig. 4 also shows a preferred embodiment of the invention as here the control member 7 is not arranged in the flow channel 8, but in the return channel.
• the control member 7 can be made as small and therefore as cheap as possible. Otherwise, this construction has the advantage that when the heat storage block 2 is hot, none or only very little heat is emitted via the heat consumers 5 Liquid collects in the head region of the heat pipe 6, that is to say at the coldest point, and is prevented by the control element 7 from running back downward in the return duct 9.
• the heat pipe 6 is only exposed to a low internal pressure in this state, and the high internal pressure in the heat pipe 6, which only occurs due to the evaporation of the liquid, only occurs in actual operation, that is to say when heat is emitted via the heat consumers 5.
• control member 7 directly under the heat consumer 5, preference /
• the insulation 1 is in turn surrounded by a housing 14 made of sheet metal or the like
• the insulation 1 is designed as integral insulation, that is to say on the outside it is so resistant that it does not have an additional housing requirement.
• FIG. 1 shows a funnel-shaped widening of the end of the heat pipe 6 facing and associated with the heat consumer 5, so that here, as it were, the end of the heat pipe 6 itself represents the heat consumer 5, here the hotplate. Either the funnel-shaped widened end of the heat pipe 6 itself is resistant to impacts and loads, or it is provided with an appropriate, robust protective cover.
• the heat pipe 6 consists of copper. Studies have shown that copper can be soldered to aluminum and aluminum can also be easily attached to cast iron.
• FIG. 6 initially shows a particular embodiment of a heat consumer 5, namely a heat consumer 5 designed in the form of cookware with an integrated saucepan. It is essential here that the heat consumer 5 as of the heat storage block 2 with the insulation 1 is designed separately and is connected via the heat pipe 6 to the heat storage block 2.
• the heat pipe 6 is provided with an integrated insulation 17 in order to prevent heat losses on the piece between the insulation 1 and the heat dissipation. lo
• the heat consumer 5 itself is also provided with insulation 18. 6 shows a particularly preferred exemplary embodiment in that the heat storage block 2 together with insulation 1 has an opening 19 for inserting the heat pipe 6 and the heat pipe 6 can optionally be inserted into this opening 19. Similarly, in the exemplary embodiment shown, the heat consumer 5 designed here as cookware also has an opening 20 for inserting the associated end 'of the heat pipe 6. Ultimately, the heating and / or cooking device " shown here " can be partially dismantled.
• a complete control circuit can be implemented here by means of a temperature sensor in the heat consumer 5, so that the heat consumer 5 is always kept at the same temperature by controlling the heat transport capacity of the heat pipe 6.
• a time switch known per se
• a special time-dependent characteristic curve for the temperature of the heat consumer 5 can be realized, for example in order to heat up very quickly to a very high temperature and then to reduce the temperature for further cooking for a certain time.
• an electrical or electronic control device 22 can also be achieved in connection with.
• a temperature sensor in the heat storage block 2 a drop in the temperature in the heat storage block 2 below a certain lower limit takes into account.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Thermal Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Sustainable Development (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Sustainable Energy (AREA)
• Cookers (AREA)

Applications Claiming Priority (4)

Publications (1)

Family

ID=25837656

Family Applications (2)

Family Applications After (1)

Country Status (6)

Families Citing this family (13)

Family Cites Families (9)

• 1985
  • 1985-12-13 DE DE19853544039 patent/DE3544039A1/de active Granted
• 1986
  • 1986-11-08 AU AU67328/87A patent/AU589481B2/en not_active Ceased
  • 1986-11-08 EP EP86906810A patent/EP0245401A1/de active Pending
  • 1986-11-08 ES ES86115493T patent/ES2014221B3/es not_active Expired - Lifetime
  • 1986-11-08 WO PCT/EP1986/000646 patent/WO1987003073A1/de not_active Application Discontinuation
  • 1986-11-08 DE DE8686115493T patent/DE3673432D1/de not_active Expired - Lifetime
  • 1986-11-08 EP EP86115493A patent/EP0221575B1/de not_active Expired - Lifetime
• 1990
  • 1990-04-26 GR GR90400217T patent/GR3000452T3/el unknown

Non-Patent Citations (1)

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