CN109963484A - 冷却加热板 - Google Patents

冷却加热板 Download PDF

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CN109963484A
CN109963484A CN201780068399.9A CN201780068399A CN109963484A CN 109963484 A CN109963484 A CN 109963484A CN 201780068399 A CN201780068399 A CN 201780068399A CN 109963484 A CN109963484 A CN 109963484A
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heating plate
cooling heating
aluminium sheet
steel pipe
plate
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约瑟夫·霍勒
约阿希姆·霍勒
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Joseph Holler Co Ltd
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Joseph Holler Co Ltd
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G19/00—Table service
    • A47G19/02—Plates, dishes or the like
    • A47G19/027—Plates, dishes or the like with means for keeping food cool or hot
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0482—Details common to both closed and open types
    • A47F3/0486—Details common to both closed and open types for charging, displaying or discharging the articles
    • A47F3/0491—Cooled shelves
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B31/00—Service or tea tables, trolleys, or wagons
    • A47B31/02—Service or tea tables, trolleys, or wagons with heating, cooling or ventilating means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F10/00—Furniture or installations specially adapted to particular types of service systems, not otherwise provided for
    • A47F10/06—Furniture or installations specially adapted to particular types of service systems, not otherwise provided for for restaurant service systems
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/001—Devices for lighting, humidifying, heating, ventilation
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J39/00—Heat-insulated warming chambers; Cupboards with heating arrangements for warming kitchen utensils
    • A47J39/006—Heat-insulated warming chambers; Cupboards with heating arrangements for warming kitchen utensils for either storing and preparing or for preparing food on serving trays, e.g. heating, thawing, preserving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/02—Evaporators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D31/00—Other cooling or freezing apparatus
    • F25D31/005—Combined cooling and heating devices
    • 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
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
    • F28F1/22—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means having portions engaging further tubular elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0439—Cases or cabinets of the open type
    • A47F2003/0473—Vending or display tables
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2309/00—Gas cycle refrigeration machines
    • F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
    • F25B2309/061—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide with cycle highest pressure above the supercritical pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
    • F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0042—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for foodstuffs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/14—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes molded
    • F28F2255/146—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes molded overmolded

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Geometry (AREA)
  • Food Science & Technology (AREA)
  • Cookers (AREA)
  • Surface Heating Bodies (AREA)

Abstract

冷却加热板，特别是用于食物和饮料的展示。所述冷却加热板连接到冷却单元，并且电加热装置，优选为硅树脂平板加热器(16)，也设置在板的底部。该板是多层板(11)，包括上层板(12)，优选地由不锈钢制成，以及位于其下方的铝板(13)。根据本发明，在铝板(13)中整体铸造至少一根钢管(14)，优选为具有蛇形弯曲的无缝钢管，具有至少50bar的抗压强度。板的这种设计使得二氧化碳也可用作冷却剂。紧固元件(15)也可以整体铸造在铝板(13)中。

Description

冷却加热板
技术领域
本发明涉及一种冷却加热板，特别是用于食品和饮料的展示。该板连接到冷却单元并且在其底部具有电加热装置。该板设计为多层板，上层板优选地由不锈钢制成，并且在其下方设置具有冷却剂管道的铝板。
背景技术
从patcit0001:WO 2015/161332中获知这样一种冷却加热板：冷却加热板包括三层：上层板是厚度约为1.5mm的铬钢板，中层板是厚度约为5mm的铝板，下层板同样是厚度约为1.5mm的铬钢板，冷却剂管道结合到中层板中。该文献通过轧制实现中层板与上层板和下层板之间的连接。
在下层板的底部布置有加热垫，该加热垫由热绝缘和电绝缘覆盖并且由覆盖壳紧密地密封。
这种板有两个不利之处：首先，冷却剂管道仅承受相对低的压力，其次，由于轧制过程中的高压，冷却剂管道导致上层板不是完全平坦的，结果导致相应的光可以照到冷却剂管道。
目前最先进的制冷剂是二氧化碳，因为它对臭氧层没有影响，并且与其他制冷剂相比，对温室效应几乎没有任何影响。然而，即使在低压侧(即蒸发器之后)，二氧化碳也需要高压。已知的冷却加热板不能应对这种压力。
发明内容
本发明的目的是克服这些缺点，提供一种冷却加热板，其冷却剂管道能承受高压并且其上层板是平坦的。
根据本发明，该目的通过所述的冷却加热板实现，至少一根具有至少50bar抗压强度的钢管整体铸造在铝板中形成冷却剂管道。
根据本发明，冷却剂管道不是通过铣削铝板而是通过在铝板的制造过程中整体铸造钢管制成的。结果，钢管和铝之间的热传递是最佳的，并且通过钢管提供抗压强度。总的来说，从制冷剂到铝板的热传递基本上不比上文所述的已知解决方案差。
如果钢管弯曲成曲折的形状，在大型冷却加热板的情况下也可以使用单根钢管。
由于根据本发明，每个铝板都是铸造的，因此也能在铝板中整体铸造紧固元件，结果是不再需要额外的机械操作来安装紧固元件(例如螺栓)。
因为钢管能承受高压，所以不太可能发生管道破裂，优选钢管是无缝的。
由于制造成本和重量的原因，冷却加热板的铝板应该是薄的，另一方面，应该确保即使与设计的中心位置有轻微的偏差，钢管也能被充分覆盖。进一步的优选特征是，铝板的厚度约为钢管外径的两倍。
电加热装置优选是硅树脂平板加热器，其安装在铝板的底面。这种硅树脂平板加热器是平的，发出均匀的热量并且可以产生高温。因此它们非常适用于本发明的冷却加热板。
附图的简要说明
参考附图将更详细地解释本发明，附图中：图1示出了本发明的冷却加热板的垂直截面。
图2示出了同一块冷却加热板的水平截面。
本发明的最佳实施方式
冷却加热板是包括铝板13和上层板12组成的多层板11。上层板12承载待加热或待冷却的饮料，因此，一方面，它必须由对食物安全的材料制成，另一方面，它必须在未来一些年内保持良好的外观。上层板12的优选材料是不锈钢。
弯曲成曲折形状的钢管14整体铸造在铝板13中，钢管14具有至少50bar的抗压强度，因此可以承受以二氧化碳作为制冷剂的制冷机所需的压力。由于钢管14整体铸造在铝板中，因此钢管14和铝板13之间的传热阻力低。当然，另外还有钢管14中的制冷剂(例如二氧化碳)和铝板13之间的热阻，因此钢管14应该尽可能薄。如果使用无缝钢管14，则壁厚可以控制在至多1mm，而不会影响必要的抗压强度。
紧固元件15也整体铸造在铝板13中。电硅树脂平板加热器16安装在铝板13的底面。为了加热，打开该硅树脂平板加热器，在这种情况下，当然关闭冷却单元，冷却剂可以保留在钢管14中。虽然二氧化碳超过临界温度，但钢管14能承受所产生的压力。
对于温度测量(在加热和冷却过程中)，可以用通常的方式提供Pt100温度传感器，例如-TRONIC公司的ST121-KD1TA.03FS控制器是合适的。
使用这种冷却加热板，可在冷却过程中实现低至-30℃的最佳温度传递。-30℃的温度可用于直接在消费者眼前生产冰淇淋。加热时，可以达到140℃的温度，这样食物就可以保持足够的温度。冷却加热板的底部根据要求绝缘。
冷却加热板可以用二氧化碳，从而可以避免通常的温室气体。但是，它当然也可以使用所有传统的制冷剂，因此它也适合作为现有系统的替代部件。异丁烷是最适合直接安装在冷却加热板上的冷却单元的制冷剂，它必须是相应密闭的。
上层板12和铝板13优选地通过具有良好导热性的粘合剂彼此粘合。如果它们通过轧制彼此连接，则存在钢管14在该过程中变形的风险，导致横截面变窄。

Claims (6)

1.冷却加热板，特别是用于食品和饮料的展示，所述冷却加热板连接到冷却单元并且在其底部具有电加热装置，所述冷却加热板设计为多层板(11)，上层板(12)优选地由不锈钢制成，并且在其下方设置具有冷却剂管道的铝板(13)，其特征在于，在铝板(13)中整体铸造至少一根抗压强度至少为50bar的钢管(14)作为冷却剂管道。
2.根据权利要求1所述的冷却加热板，其特征在于，所述钢管(14)弯曲成曲折形状。
3.根据权利要求1或2所述的冷却加热板，其特征在于，在铝板(13)中整体铸造紧固元件(15)。
4.根据权利要求1至3中任一项所述的冷却加热板，其特征在于，所述钢管(14)是无缝的。
5.根据权利要求1至4中任一项所述的冷却加热板，其特征在于，所述铝板(13)的厚度约为钢管(14)外径的两倍。
6.根据权利要求1至5中任一项所述的冷却加热板，其特征在于，所述电加热装置是硅树脂平板加热器(16)，安装在所述铝板(13)的底面。
CN201780068399.9A 2016-09-13 2017-09-13 冷却加热板 Pending CN109963484A (zh)

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Application Number Priority Date Filing Date Title
ATA50817/2016A AT518424B1 (de) 2016-09-13 2016-09-13 Kühl- und Wärmeplatte
ATA50817/2016 2016-09-13
PCT/AT2017/060227 WO2018049452A1 (de) 2016-09-13 2017-09-13 Kühl- und wärmeplatte

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EP (1) EP3512382B1 (zh)
CN (1) CN109963484A (zh)
AT (1) AT518424B1 (zh)
AU (1) AU2017327751B2 (zh)
BR (1) BR112019004808B1 (zh)
CA (1) CA3036719C (zh)
PL (1) PL3512382T3 (zh)
RU (1) RU2763282C2 (zh)
WO (1) WO2018049452A1 (zh)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN112728865A (zh) * 2020-12-24 2021-04-30 四方科技集团股份有限公司 一种平板冻结板及具有其的制冷系统
CN114251861A (zh) * 2020-09-24 2022-03-29 北京市京科伦工程设计研究院有限公司 一种高层建筑用单级二氧化碳中央空调

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Publication number Priority date Publication date Assignee Title
AT518425B1 (de) * 2016-10-31 2017-10-15 Josef Höller Gmbh Kühl- und Wärmewanne
WO2022140525A1 (en) 2020-12-23 2022-06-30 Chillware, LLC Apparatus for selectively heating or cooling a food product and methods of assembling and using same

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