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CN-121973531-A - Heatable cup stand

CN121973531ACN 121973531 ACN121973531 ACN 121973531ACN-121973531-A

Abstract

The invention provides a heatable cup stand, which relates to the technical field of polymer-based composite materials and sequentially comprises a heating layer, a heat insulation layer and a heat dissipation layer from top to bottom, wherein the heating layer is made of cashew nut shell oil epoxy resin CNSL-based conductive composite materials, and the CNSL-based conductive composite materials comprise 40-60% of CNSL, 15-25% of carbon fiber chopped filaments, 5-20% of nano tin antimony oxide and 3-15% of flame retardant according to mass fraction. The heating layer is prepared from the cashew nut shell oil epoxy resin (CNSL) based conductive composite material, phenolic hydroxyl groups and long fatty chains in the CNSL based conductive composite material are filled with carbon fibers and nano tin antimony oxide (ATO) to form a conductive network, so that the surface resistivity is less than or equal to 10 3 ohm cm, and the heating layer can be directly electrified and heated, the CNSL used by the heating layer can avoid high-temperature release of benzene substances, and the VOC emission is less than or equal to 50 mug/m 3 , and the heating layer is prepared from the CNSL based conductive composite material, so that the quality of the heatable cup stand can be remarkably reduced, and the energy consumption is reduced.

Inventors

  • ZHANG ZHISHENG
  • ZHANG FAN
  • CHEN RENZE
  • CAI XIAO
  • ZHAN JIANLIN

Assignees

  • 岚图汽车科技股份有限公司

Dates

Publication Date
20260505
Application Date
20260120

Claims (10)

  1. 1. The heatable cup stand is characterized by sequentially comprising a heating layer, a heat insulation layer and a heat dissipation layer from top to bottom, wherein the heating layer is made of cashew nut shell oil epoxy resin CNSL-based conductive composite material; the CNSL-based conductive composite material comprises 40-60% of CNSL, 15-25% of carbon fiber chopped filaments, 5-20% of nano tin antimony oxide and 3-15% of flame retardant.
  2. 2. The heatable cup holder of claim 1, wherein said nano tin antimony oxide has an average particle size of 15-25nm.
  3. 3. A heatable cup holder according to claim 1 wherein the length of the chopped carbon fibre filament is 1-5mm.
  4. 4. The heatable cup holder of claim 1, wherein said flame retardant is selected from one or more of aluminum diethylphosphinate, 9, 10-dioxo-9-oxa-10-phosphaphenanthrene, and modified magnesium hydroxide.
  5. 5. The heatable cup holder of claim 1, wherein a heating circuit is engraved in the surface of said CNSL-based conductive composite layer.
  6. 6. The heatable cup holder of claim 1, wherein the insulating layer is an aerogel insulating layer and the aerogel is a super-hydrophobic silica aerogel.
  7. 7. The heatable cup holder of claim 1, wherein the heat dissipating layer is an aluminum alloy heat dissipating substrate, the aluminum alloy comprising, by weight, 97.38-98.75% Al, 0.8-1.2% Mg, 0.4-0.8% Si, 0.15-0.4% Cu, and 0.10-0.12% Zr.
  8. 8. The heatable cup holder of claim 1, wherein said heating layer has a thickness of 0.7-0.9mm.
  9. 9. The heatable cup holder of claim 1, wherein said insulating layer has a thickness of 0.3-0.6mm.
  10. 10. The heatable cup holder of claim 1, wherein said heat dissipating layer has a thickness of 0.3-0.6mm.

Description

Heatable cup stand Technical Field The invention relates to the technical field of polymer matrix composite materials, in particular to a heatable cup stand. Background The heatable cup holder in the prior art is generally a metal/PTC ceramic heating cup holder. However, the metal/PTC ceramic heating cup stand has the problems of high weight and high energy consumption, and influences the endurance of the electric vehicle, and the used plastic part is heated to release VOCs easily, so that the metal/PTC ceramic heating cup stand does not meet the relevant standards of GB/T27630-2023 in-vehicle air quality evaluation guidelines. Disclosure of Invention Aiming at the defects in the prior art, the invention provides a heatable cup stand, which can solve the technical problems of large mass, high energy consumption and high VOC emission in the heatable cup stand in the prior art. In order to achieve the aim, the invention provides a heating layer, a heat insulation layer and a heat dissipation layer which are sequentially arranged from top to bottom, wherein the heating layer is made of cashew nut shell oil epoxy resin CNSL-based conductive composite material; the CNSL-based conductive composite material comprises 40-60% of CNSL, 15-25% of carbon fiber chopped filaments, 5-20% of nano tin antimony oxide and 3-15% of flame retardant. Preferably, the average grain diameter of the nano tin antimony oxide is 15-25nm. Preferably, the length of the carbon fiber chopped filaments is 1-5mm. Preferably, the flame retardant is selected from one or more of aluminum diethylphosphinate, 9, 10-dioxo-9-oxa-10-phosphaphenanthrene and modified magnesium hydroxide. Preferably, a heating circuit is engraved on the surface of the CNSL-based conductive composite material layer. Preferably, the heat insulation layer is an aerogel heat insulation layer, and the aerogel is super-hydrophobic silica aerogel. Preferably, the heat dissipation layer is an aluminum alloy heat dissipation substrate, and the aluminum alloy comprises, by weight, 97.38-98.75% of Al, 0.8-1.2% of Mg, 0.4-0.8% of Si, 0.15-0.4% of Cu and 0.10-0.12% of Zr. Preferably, the thickness of the heating layer is 0.7-0.9mm. Preferably, the thickness of the heat insulation layer is 0.3-0.6mm. Preferably, the thickness of the heat dissipation layer is 0.3-0.6mm. Compared with the prior art, the invention has the advantages that (1) the cashew nut shell oil epoxy resin (CNSL) based conductive composite material is adopted to prepare the heating layer, phenolic hydroxyl groups and long fatty chains in the CNSL based conductive composite material are filled by carbon fibers and nano tin antimony oxide (ATO) to form a conductive network, so that the surface resistivity is less than or equal to 10 3 ohm cm, and the heating layer can be directly electrified and heated, (2) compared with the traditional bisphenol A epoxy resin, the CNSL used by the invention can avoid high-temperature release of benzene substances, and the VOC emission is less than or equal to 50 mug/m 3, and (3) compared with the traditional PCT ceramic used as the heating layer, the heating layer is prepared by adopting the CNSL based conductive composite material, so that the quality of the heatable cup stand can be remarkably reduced, and the energy consumption can be reduced. Drawings In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. FIG. 1 is a schematic diagram of a heatable cup holder according to an embodiment of the invention; 1-heating layer, 2-heat insulating layer and 3-heat dissipating layer. Detailed Description For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. The embodiment of the invention provides a heatable cup holder, which is characterized in that a heating layer is prepared by adopting a cashew nut shell oil epoxy resin (CNSL) based conductive composite material, phenolic hydroxyl groups and long fatty chains in the CNSL based conductive composite material are filled by carbon fibers and n