• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    There is an oven with a baking chamber (2), with a heat storage (6) connected to the heating circuit (20) for the oven (2) and to a solar collector (15) connected to the charging circuit (12) for the heat storage (6) described. In order to provide advantageous construction conditions, it is proposed that the heat accumulator (6) and the baking chamber (2) provided above the heat accumulator (6) are arranged in a thermally insulated enclosure (8) and that the heating circuit (20) is mounted on a fireclay lining (1). of the baking chamber (2) is laid.
    公开号:AT511203A4
    申请号:T1401/2011
    申请日:2011-09-28
    公开日:2012-10-15
    发明作者:
    申请人:Gragger Helmut；
    IPC主号:
    专利说明:

    (38104) II
    The invention relates to an oven with a baking chamber, with a connected to a heat storage heating circuit for the oven and a connected to a solar collector charging circuit for the heat storage.
    In order to be able to use solar energy for the energy supply of a cooker with a baking space advantageously, it is known (EP 0 593 649 B1) to provide a heat accumulator loadable via a solar collector, which preferably comprises a container filled with steel balls, which can be acted upon by a heat carrier, so that for the Heating circuit of the stove heat energy can be provided regardless of the position of the sun. With the help of appropriate control valves, the heat storage can be charged by applying the heated in the solar collector heat carrier or discharged to heat the stove via the heating circuit through which the warm heat transfer medium is conveyed through the stove. By controlling the flow rate while the heating power for the stove can be adapted to the respective operating conditions. In order to be able to use the heat carrier heated in the solar collector directly for the operation of the stove, the charging circuit connected to the solar collector can also be connected directly to the heating circuit for the stove. A disadvantage of this known system for operating a stove by using solar energy is mainly the structural complexity. Apart from that, in the case of ovens, in particular for commercial or industrial use, with regard to the heat balance, requirements which are generally not met in ovens having a baking chamber for domestic use are to be met.
    The invention is therefore based on the object, an oven with a baking chamber of the type described in such a way that it corresponds to the requirements placed on ovens for commercial and industrial use in terms of heat balance, with a relatively low construction costs.
    The invention solves the problem set by the fact that the heat storage and the oven provided above the heat storage chamber are arranged in a thermally insulated housing and that the heating circuit is laid on a fireclay lining of the oven.
    Due to the arrangement of the oven and the heat storage in a common, heat-insulated housing first heat losses through connecting lines between the heat storage and the oven can be easily avoided. The arrangement of the baking chamber immediately above the Wärmespei-chers not only ensures an advantageous, compact design, but also takes into account that the baking chamber can absorb the heat radiated from the heat storage. In addition, by the heat-resistant fireclay lining of the oven a favorable for the Wämnebeaufschlagung the oven distribution of radiated heat from the fireclay lining is achieved when the heating circuit is installed in the fireclay lining on the side facing away from the back room, so that the sum of this Measures a for a particular commercial and industrial use characterizing long-term operation of the bath furnace advantageous heat balance while maintaining comparatively simple construction measures can be achieved.
    Thus, the heat load of the oven can be advantageously adapted to the baking conditions, the oven can usually have a vault, run on the fireclay lining between a manifold and a manifold parallel heating cables of the heating circuit. This measure brings about a uniform heat radiation over the entire baking chamber 3
    φ «* * * * length in the direction of the vault axis. If necessary, but can of course also be guided through the bottom of the baking chamber, a portion of the heating circuit, which is preferably controlled separately, to be able to apply the baking chamber with an adapted to the case of need upper and lower heat.
    In order to create advantageous conditions for charging and discharging the heat accumulator, the charging circuit may comprise at least one provided in the bottom region of the heat storage pipe coil for the heat transfer of the charging circuit, so that can form a temperature stratification within the liquid heat storage medium of the heat storage, the use of the respective Maximum temperature of the heat accumulator allowed for the heating circuit when the heating circuit has at least one provided in the ceiling region of the heat accumulator line coil for the heat transfer medium of the heating circuit. The separate from the heat storage medium heat transfer medium for the heating circuit on the one hand represents a security that can not be contaminated by the heat storage medium of the heat storage of the oven even with a leak of the heating circuit, and on the other hand offers the advantage of heat removal, without the stratification of the heat transfer medium within the heat storage sustainable to destroy, as would be the case when the heat storage medium is used as a heat transfer medium for the heating circuit.
    Thus, bypassing the heat storage of the heating circuit for a baking chamber can be acted upon by a heated by the solar heat transfer medium, the heating circuit can be optionally connected to the charging circuit.
    To ensure a sufficient amount of heat for the baking operation regardless of the charge of the heat accumulator on the solar panel, the heat accumulator may have an additional heating, which allows the required for a baking operation temperature level within the heat storage even in adverse external circumstances. This additional heating, preferably also a heat exchanger, can be supplied in very different ways with energy. It only matters that in an emergency the oven does not have to be taken out of service.
    In the drawing, the subject invention is for example shown
    Fig. 1 shows a baking oven according to the invention in a schematic block diagram and
    Fig. 2 shows the oven schematically in a frontal view on a larger scale.
    The oven shown schematically in Figs. 1 and 2 has a provided with a fireclay lining 1 baking chamber 2, which is provided at its front end with a control opening 3, as can be seen in particular of FIG. 1, the oven in a schematic longitudinal section shows. The fireclay lining 1 forms according to FIG. 2 in the usual way a vault 4, which is supported by a bottom plate 5. The baking chamber 2 is placed on a heat accumulator 6, the container 7 is arranged together with the baking chamber 2 in a common, heat-insulated housing 8. According to the illustrated embodiment, the housing 8 from a container 7 of the heat accumulator 6 receiving lower part 9 and an upper part 10 is constructed, wherein the arrangement is made such that the bottom plate 5 of the baking chamber 2, the lower part 9 with the container 7 of the heat accumulator 6 after closes at the top and the upper part 10 is placed on the over the fireclay lining 1 of the baking chamber 2 projecting bottom plate 5.
    According to FIG. 1, the heat accumulator 6 is charged via a charging circuit 12 provided with a charge pump 11 which is connected via a heat exchanger 13 to the collector circuit 14 of a solar collector 15. The pump for the collector circuit 14 is designated 16. The solar collector 15 itself has, in a manner known per se, a reflector pan 17 which is parabolic in cross-section and an absorber tube 18 in the focal axis of this reflector pan 17, so that the reflected heat radiation of the sun bundled in the region of the absorber tube 18 ensures a sufficient temperature of the heat carrier of the collector circuit 14 ensures that it can supply an oven with heat energy. The charging circuit 12 forms within the container 7 for the heat accumulator 6, a heat exchanger in the form of at least one provided in the bottom region of the heat accumulator 6 line coil 19 which is laid meandering over the container bottom, so that the heat accumulator 6 are applied uniformly over the entire bottom region of the container 7 with heat can. Within the container 7 of the heat accumulator 6, the heat of the charging circuit 13 receiving heat storage medium is provided, via which the stored heat can be delivered to a heating circuit 20 for the oven 2. The provided with a heating pump 21 heating circuit 20 forms in the ceiling region of the container 7 of the heat accumulator 6, in turn meandering laid pipe coil 22 as a heat exchanger. About this heat exchanger, the heat carrier for the heating circuit 20 is heated, comprising the heating lines 23 for the baking chamber 2. These heating pipes 23 are each connected in parallel between a distribution pipe 24 along the bottom plate 5 and a manifold 25 along the apex of the vault 4 of the baking chamber 2, so that the baking chamber 2 can be applied uniformly with heat via its extending in the direction of the vault axis length. About the flow rate of the heat carrier of the heating circuit 20, the baking temperature can be controlled within the baking chamber 2.
    Thus, even with a failure of the solar panel 15 of the oven can be operated, the heat storage 6 is equipped with an auxiliary heater 26 in the form of a dash-dotted line indicated heat exchanger.
    Since the baking chamber 2 is arranged with its fireclay lining 1 and laid on the outside of the fireclay lining 1 heating cables 23 within a common, heat-insulated housing 8 together with the heat storage 6 and placed on the container 7 of the heat accumulator 6, structurally comparatively simple, den Heat conditions advantageous construction conditions that allow the use of solar energy for ovens in commercial and industrial use with a relatively high efficiency, without sufficient control of heat to have to do without the baking chamber 2. In this context, it should be noted that the block diagram of FIG. 1 illustrates only the basic line connections and, for example, does not show the expansion tank, control valves and control units for reasons of clarity. In addition, the quite meaningful connection between the charging circuit 12 and the heating circuit 20 is neglected to operate the baking chamber 2, bypassing the heat accumulator 6 optionally on the solar panel 15 can.
    权利要求:
    Claims (6)
    [1]
    Patent Attorneys Dipl.-Ing. Helmut Hübscher Dipl.-Ing. Karl Winfried Hellmich Spittelwiese 7, A 4020 Linz (38104) II Claims: 1. Oven with a baking chamber (2), with a connected to a heat storage (6) heating circuit (20) for the oven (2) and with a to a solar panel (15) connected charging circuit (12) for the heat accumulator (6), characterized in that the heat accumulator (6) and over the heat accumulator (6) provided baking chamber (2) are arranged in a heat-insulated housing (8) and that the heating circuit (20) on a fireclay lining (1) of the baking chamber (2) is laid.
    [2]
    2. Baking oven according to claim 1, characterized in that the baking chamber (2) has a vault (4), on the fireclay lining (1) between a distribution line (24) and a manifold (25) parallel heating cables (23) of the heating circuit ( 20).
    [3]
    3. Baking oven according to claim 1 or 2, characterized in that the charging circuit (12) at least one in the bottom region of the heat accumulator (6) provided for line coil (19) for the heat carrier of the charging circuit (12).
    [4]
    4. Baking oven according to one of claims 1 to 3, characterized in that the heating circuit (20) comprises at least one in the ceiling region of the heat accumulator (6) provided for line coil (22) for the heat transfer medium of the heating circuit (20).
    [5]
    5. Baking oven according to one of claims 1 to 4, characterized in that the charging circuit (12) optionally with the heating circuit (20) is connectable.
    [6]
    6. Baking oven according to one of claims 1 to 5, characterized in that for the heat storage (6) an additional heater (26) is provided. Linz, on September 27, 2011 Helmut Gragger by: f
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    同族专利:
    公开号 | 公开日
    WO2013044280A1|2013-04-04|
    EP2761228A1|2014-08-06|
    AT511203B1|2012-10-15|
    EP2761228B1|2017-11-08|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE4142119A1|1991-12-20|1993-06-24|Klemens Prof Dr Schwarzer|Solar cooker with collector for heating medium - has hand regulator and storage together with several hobs to which there is controlled medium supply|
    DE19603742A1|1996-02-02|1997-08-07|Poetzscher Carola|Portable heater or cooker for food|
    CN102252430A|2011-04-30|2011-11-23|张其明|Indoor oven of solar heat storage device|
    CN102261749A|2011-05-30|2011-11-30|张其明|solar oven|
    DE813382C|1949-03-22|1951-09-13|Heinz Dr-Ing Hefermann|Electrically heated oven|
    HU207152B|1991-07-05|1993-03-01|Gabor Goede|Solar-energy utilizing apparatus and collector unit and connection arrangement for solar-energy utilizing apparatus|
    DE20007857U1|2000-04-29|2000-09-14|Carola Poetzscher Gmbh & Co Kg|Portable wood oven|
    DE10045074A1|2000-09-12|2002-03-28|Bsh Bosch Siemens Hausgeraete|Domestic appliance system has useful heat provided by latent heat storage device supplied with solar and/or geothermal heat energy|US20160161150A1|2014-12-04|2016-06-09|Steven B. Zintel|Solar powered cooking device|
    CN108916868B|2018-06-14|2019-09-10|玉和建设有限公司|A kind of material return device for circulating fluidized bed boiler lining low temperature furnace drying method|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    ATA1401/2011A|AT511203B1|2011-09-28|2011-09-28|OVEN|ATA1401/2011A| AT511203B1|2011-09-28|2011-09-28|OVEN|
    EP12761876.7A| EP2761228B1|2011-09-28|2012-09-03|Oven|
    PCT/AT2012/050123| WO2013044280A1|2011-09-28|2012-09-03|Oven|
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