Aluminum honeycomb core plate with heating layer and preparation method of aluminum honeycomb core plate

Abstract

The invention provides an aluminum honeycomb core plate with a heating layer and a preparation method of the aluminum honeycomb core plate, and relates to the technical field of indoor cooling and heating, the aluminum honeycomb core plate comprises at least two aluminum honeycomb core plate panels and an aluminum honeycomb core arranged between the aluminum honeycomb core plate panels, and a heating and refrigerating device is implanted on the aluminum honeycomb core; and an energy-storage heat-assisting adhesive is filled between the heating and refrigerating device and the aluminum honeycomb core and / or the aluminum honeycomb core plate panel. The energy-storage heat-assisting binder and the heating and refrigerating device are arranged in the aluminum honeycomb core plate to form the heating layer, the aluminum honeycomb core plate is endowed with the heating and refrigerating characteristics, the characteristics that the aluminum honeycomb core plate is large in coverage area and good in decoration effect in indoor decoration are fully played, and meanwhile the function of supplying heat and cold to a decoration space is taken into consideration; due to the addition of the energy-storage heat-assisting binder, radiation heat transfer and heating are uniform, defrosting is fast, the human settlement environment is comfortable, energy is saved during operation, the aluminum honeycomb core plate is free of formaldehyde and flame retardant, the environment-friendly requirement is met, and energy conservation and environment protection are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of indoor cooling and heating, and in particular to an aluminum honeycomb core panel. Background Art

[0002] my country's aluminum ore is widely distributed, with large reserves and good processing performance of aluminum materials. Aluminum alloy materials, aluminum profiles, and aluminum honeycomb core materials are increasingly widely used in various industries in my country. However, modern buildings require dual cooling and heating, and high-end places require constant temperature, humidity, oxygen, and cleanliness. In modern decoration, traditional aluminum honeycomb core panels only have decorative functions. Aluminum honeycomb core panels do not have good heat transfer performance and energy storage characteristics, which will lead to frequent startup of the heat pump host and long defrosting time.

[0003] The invention, published on August 9, 2019 and with publication number CN110107018A, discloses a manufacturing process of a honeycomb aluminum core composite lightweight wallboard, which relates to the technical field of manufacturing honeycomb aluminum core composite lightweight wallboards and is mainly intended to solve the problem of complex manufacturing process of existing honeycomb aluminum core composite wallboards. The process steps are as follows: 1) coating the plate with glue; 2) stretching the honeycomb aluminum core; 3) compounding: compounding the plate in step 1) with the honeycomb aluminum core in step 2); 4) machine cold pressing: cold pressing the composite wallboard after completing step 3). The manufacturing process of the honeycomb aluminum core composite lightweight wallboard provided by the present invention has simple steps, less consumables, low cost and high production efficiency. The manufactured honeycomb aluminum core composite lightweight wallboard (1) has light specific gravity, high strength, high rigidity, stable structure and good wind pressure resistance; (2) has outstanding sound insulation, heat preservation, heat insulation, fire prevention, waterproof and shockproof functions; (3) has amazing flatness on the surface and diversified thickness; (4) has strong decorative effect, is easy and quick to install and has a wide range of applications. However, although the invention application has certain thermal insulation performance, it does not have good heat transfer performance and energy storage characteristics.

[0004] The invention application with publication date of September 5, 2001 and publication number CN1311096A discloses a heat-insulating fire wall panel with an aluminum foil honeycomb panel core and a manufacturing method thereof. The two sides of the honeycomb panel core are sandwiched with metal plates, which are bonded by adhesives. At least one side between the aluminum honeycomb panel and the two metal plates has a layer of non-combustible polyethylene chemical cross-linked high foam PEF board with a thickness of 1 to 15 mm. The metal plate and the PEF board are bonded by a mixture coating of a flame-retardant adhesive with a thickness of 1 to 4 mm and a weight ratio of 3 to 5:1 of silica sol. This invention application solves the problem that the fireproof performance and thermal insulation effect of the existing fire wall panel cannot be simultaneously excellent, and has the advantages of good fireproof performance, good thermal insulation effect and simple manufacturing process. However, the adhesive, flame-retardant adhesive and silica sol in this invention application have low heat transfer performance. Summary of the invention

[0005] In response to the above technical problems, the present invention proposes an aluminum honeycomb core panel with a heating layer and a preparation method thereof, which are used to solve the problem that the adhesive used in the honeycomb core panel in the prior art has low heat transfer performance, resulting in poor heat transfer performance and energy storage characteristics of the honeycomb core panel.

[0006] In order to achieve the above object, the technical solution of the present invention is achieved as follows: An aluminum honeycomb core panel with a heating layer comprises at least two aluminum honeycomb core panel panels and an aluminum honeycomb core arranged between the aluminum honeycomb core panel panels, wherein a heating and cooling device is implanted on the aluminum honeycomb core; and an energy storage and heat-assisting adhesive is filled between the heating and cooling device and the aluminum honeycomb core and / or the aluminum honeycomb core panel panels. The present invention forms a heating layer by arranging an energy storage and heat-assisting adhesive and a heating and cooling device in the aluminum honeycomb core panel, giving the aluminum honeycomb core panel the characteristics of heating and cooling, giving full play to the characteristics of the aluminum honeycomb core panel in interior decoration, while taking into account the function of heating and cooling the decorated space; the addition of the energy storage and heat-assisting adhesive makes the radiation heat transfer and heating uniform, the defrosting is fast, the living environment is comfortable, the operation is energy-saving, the aluminum honeycomb core panel is formaldehyde-free, flame-retardant and meets environmental protection requirements, and is energy-saving and environmentally friendly.

[0007] Furthermore, in order to make the adhesive have better bonding and combining capabilities, the heat storage and heat transfer adhesive is formed by mixing the adhesive base material and the heat storage auxiliary base material.

[0008] Furthermore, in order to enhance the heat transfer performance and shear resistance of the binder, the binder base material includes silica sol, aluminum dihydrogen phosphate, kaolin, sodium hexametaphosphate and silane, and the thermal storage base material includes one or more of flake graphite, graphene, magnesium oxide powder, zinc powder, aluminum powder, aluminum ore powder and titanium powder.

[0009] Furthermore, the preparation method of the heat storage and heat transfer adhesive comprises the following steps: A1. Place silica sol, aluminum dihydrogen phosphate solution, kaolin and sodium hexametaphosphate solution in a reaction kettle and fully emulsify; A2. Add silane to the mixture in step A1 and stir thoroughly to allow the silane to be completely dispersed and then stop stirring to prepare a binder base; A3. Mixing flake graphite and / or graphene and / or magnesium oxide powder and stirring thoroughly to form a heat-assisting thermal storage base material; A4. Add the heat-assisting and heat-storage base material prepared in step A3 to the binder base material prepared in step A2 and stir thoroughly.

[0010] The production process of the heat storage and heat transfer adhesive of the present invention adopts room temperature emulsification, which not only reduces the production cost but also increases the storage period of the product and the stability of the product before curing during construction.

[0011] Furthermore, in order to achieve a better emulsification effect between the silica sol, the aluminum dihydrogen phosphate solution, kaolin and the sodium hexametaphosphate solution, the emulsification time in step A1 is 50 to 80 minutes.

[0012] Furthermore, in order to allow the silane to be completely and evenly dispersed in the binder base material, the stirring time after adding the silane in step A3 is 8 to 10 minutes.

[0013] Furthermore, in order to allow the mixture prepared in step A3 to be fully mixed with the binder base material, the stirring time in step A4 is 20 to 25 minutes.

[0014] Furthermore, in order to obtain a heat storage and heat transfer adhesive with high cost performance and good heat transfer performance and energy storage performance, the silica sol uses silica sol containing 30% SiO2; the weight ratio of aluminum dihydrogen phosphate in the aluminum dihydrogen phosphate solution is 30%; the weight ratio of sodium hexametaphosphate in the sodium hexametaphosphate solution is 68%; the specification of kaolin is 280~320 mesh; the thermal auxiliary material uses magnesium oxide powder, and the specification of magnesium oxide powder is 180~210 mesh; silane uses KH550.

[0015] Furthermore, in order to improve the heat transfer performance and energy storage performance of the heat storage heat transfer adhesive, the weight ratio of silica sol in the heat storage heat transfer adhesive is 25.5%~32.4%, the weight ratio of aluminum dihydrogen phosphate solution is 8.5%~26.3%, the weight ratio of sodium hexametaphosphate solution is 2.2%~6.3%, the weight ratio of kaolin is 2.7%~4.3%, the weight ratio of thermal auxiliary material is 29.9%~47.6%, and the weight ratio of silane is 0.05%~0.9%.

[0016] Furthermore, in order to adopt a heat-generating refrigeration device with a high cost-effectiveness, the heat-generating refrigeration device includes a heat-generating refrigeration coil and / or an electric heating element.

[0017] A method for preparing an aluminum honeycomb core panel with a heating layer comprises the following steps: B1. Apply glue to the aluminum honeycomb core panel on a glue coating machine; B2. Indent the aluminum honeycomb core according to the shape of the heating and cooling device; B3. Implant the heat-generating and cooling components into the aluminum honeycomb core according to the indentation and bundle them; B4, placing the heat-generating and cooling devices and the aluminum honeycomb core bundled in step B3 on the aluminum honeycomb core panel coated with glue in step B1; B5. Fill the energy storage heat-assisting adhesive between the heat-generating and cooling device and the aluminum honeycomb core; B6, covering the assembly made in step B5 with another aluminum honeycomb core panel coated with glue in step B1; B7. Send the aluminum honeycomb core panel made in B6 to the cold press for pressing.

[0018] Furthermore, the cold pressing temperature in the cold press is room temperature, the pressure is 4MPa~5.5MPa, and the cold pressing time is 8h~12h.

[0019] Preferably, the cold pressing pressure in the cold press is 4.3 MPa, and the cold pressing time is 12 hours.

[0020] Furthermore, the heating and cooling coil is provided with an external connection interface, or the electric heating element is connected with a wiring port.

[0021] Beneficial effects of the present invention: 1. The present invention forms a preliminary binder base material by premixing and pre-emulsification, and then adds a crosslinking agent silane, so that the binder base material has good bonding and combining capabilities, ensuring that the prepared composite binder, i.e., the heat storage and heat transfer binder, has good physical and mechanical performance; 2. The heat-assisting material in the manufacturing process of the present invention adopts one or more of flake graphite, graphene, magnesium oxide powder, zinc powder, aluminum powder, aluminum ore powder, and titanium powder, which are fully mixed and emulsified and then mixed with aluminum dihydrogen phosphate solution, kaolin and sodium hexametaphosphate solution, thereby enhancing the heat transfer performance and shear resistance of the heat storage and heat transfer adhesive, and enhancing the energy storage performance and heat transfer performance of the aluminum honeycomb core plate; 3. The heat storage and heat transfer adhesive of the present invention is produced by emulsification at room temperature and corresponding processes, which not only reduces the production cost, but also improves the storage period of the product and the stability of the product before curing during construction; 4. The present invention prepares a heat storage and heat transfer adhesive by pre-emulsification and pre-mixing, prepares a heat-generating and cooling coil by pre-bending, presses an indentation on the aluminum honeycomb core board substrate by pre-pressing, implants a heat-generating and cooling device, and then fills the heat storage and heat transfer adhesive between the heat-generating and cooling device and the aluminum honeycomb core board. Then, the heat-generating layer, the energy storage material, the heat-assisting material and the heat-generating and cooling device are bonded between the substrate and the panel of the aluminum honeycomb core board by cold pressing, so as to give the prepared heat-generating and cooling board good heat-generating and heat-transferring performance. 5. In the manufacturing process, the present invention arranges an energy storage heat-assisting adhesive and a heat-generating refrigeration device in the heating layer, giving the aluminum honeycomb core panel the characteristics of heating and cooling. While giving full play to the characteristics of the aluminum honeycomb core panel in interior decoration, which has a large coverage area and good decorative effect, it also takes into account the function of heating and cooling the decorative space. The addition of the energy storage heat-assisting adhesive makes the radiation heat transfer uniform, the defrosting quick, the living environment comfortable, and the operation energy-saving. The aluminum honeycomb core panel is formaldehyde-free, flame-retardant, meets environmental protection requirements, and is energy-saving and environmentally friendly. DETAILED DESCRIPTION

[0022] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] The aluminum honeycomb core panel with a heating layer described in the present invention comprises at least two aluminum honeycomb core panel panels and an aluminum honeycomb core arranged between the aluminum honeycomb core panel panels, and a heating layer is also arranged in the aluminum honeycomb core panel, and the heating layer comprises a heating refrigeration device and an energy storage heat-assisting adhesive. The heating refrigeration device is implanted on the aluminum honeycomb core; the energy storage heat-assisting adhesive is filled between the heating refrigeration device and the aluminum honeycomb core and / or the aluminum honeycomb core panel panels. The heat storage heat transfer adhesive is formed by mixing an adhesive base material and a heat-assisting heat storage base material. The heat-assisting heat storage base material comprises one or more of flake graphite, graphene, magnesium oxide powder, zinc powder, aluminum powder, aluminum ore powder, and titanium powder. The present invention provides the aluminum honeycomb core panel with heating and cooling characteristics by arranging an energy storage heat-assisting adhesive and a heating refrigeration device as a heating layer in the aluminum honeycomb core panel, giving full play to the characteristics of the aluminum honeycomb core panel in indoor decoration, while giving full play to the large coverage area and good decorative effect of the aluminum honeycomb core panel, and taking into account the function of heating and cooling the decorated space.

[0024] Furthermore, the preparation method of the heat storage and heat transfer adhesive comprises the following steps: A1. Place silica sol, aluminum dihydrogen phosphate solution, kaolin and sodium hexametaphosphate solution in a reaction kettle and fully emulsify; A2. Add silane to the mixture in step A1 and stir thoroughly to allow the silane to be completely dispersed and then stop stirring to prepare a binder base; A3. Mixing flake graphite and / or graphene and / or magnesium oxide powder and stirring thoroughly to form a heat-assisting thermal storage base material; A4. Add the heat-assisting and heat-storage base material prepared in step A3 to the binder base material prepared in step A2 and stir thoroughly.

[0025] Furthermore, the emulsification time in step A1 is 50 to 80 minutes.

[0026] Furthermore, the stirring time after adding silane in step A3 is 8 to 10 minutes.

[0027] Furthermore, the stirring time in step A4 is 20 to 25 minutes.

[0028] Furthermore, the silica sol uses silica sol containing 30% SiO2; the weight ratio of aluminum dihydrogen phosphate in the aluminum dihydrogen phosphate solution is 30%; the weight ratio of sodium hexametaphosphate in the sodium hexametaphosphate solution is 68%; the specification of kaolin is 280~320 mesh; the specification of the flake graphite is 200 mesh, the specification of the graphene is 3nm~7nm, the specification of the magnesium oxide powder is 180~210 mesh; and the silane uses KH550.

[0029] Furthermore, the weight ratio of silica sol in the thermal storage and heat transfer adhesive is 25.5%~32.4%, the weight ratio of aluminum dihydrogen phosphate solution is 8.5%~26.3%, the weight ratio of sodium hexametaphosphate solution is 2.2%~6.3%, the weight ratio of kaolin is 2.7%~4.3%, the weight ratio of thermal storage base material is 29.9%~47.6%, and the weight ratio of silane is 0.05%~0.9%.

[0030] A method for preparing an aluminum honeycomb core panel with a heating layer comprises the following steps: B1. Apply glue to the aluminum honeycomb core panel on a glue coating machine according to the traditional process; B2. Indent the aluminum honeycomb core according to the shape of the heating and cooling device; B3. Implant the heat-generating and cooling components into the aluminum honeycomb core according to the indentation and bundle them; B4, placing the heat-generating and cooling devices and the aluminum honeycomb core bundled in step B3 on the aluminum honeycomb core panel coated with glue in step B1; B5. Fill the energy storage heat-assisting adhesive between the heat-generating and cooling device and the aluminum honeycomb core; B6, covering the assembly made in step B5 with another aluminum honeycomb core panel coated with glue in step B1; B7. Send the aluminum honeycomb core panel made in B6 to the cold press for pressing.

[0031] Furthermore, the heating and cooling device includes a heating and cooling coil and / or an electric heating element.

[0032] Specifically, when the heating and cooling device uses a heating and cooling coil, the heating and cooling coil uses a prefabricated metal tube or non-metal tube with a length of 10m~120m and a diameter of 20mm~80mm, and is bent into a shape that can be embedded in the aluminum honeycomb core plate and between the panels. The heating and cooling coil is provided with an external connection interface, and the external interface is welded with a pin, and pressure is maintained from time to time to detect whether there is leakage.

[0033] Furthermore, when the heating and cooling device adopts an electric heating element, the electric heating element is made of an electric heating material. The electric heating element is connected with a wiring port.

[0034] Furthermore, the cold pressing temperature in the cold pressing machine is room temperature, the cold pressing pressure is 4.0MPa~5.5MPa, and the cold pressing time is 8h~12h.

[0035] Example 1 Prepare silica sol containing 30% SiO2, aluminum dihydrogen phosphate solution containing 30% (by weight) aluminum dihydrogen phosphate, sodium hexametaphosphate solution containing 68% (by weight) sodium hexametaphosphate, kaolin with a specification of 300 mesh, magnesium oxide powder with a specification of 200 mesh, and KH550 as a silane crosslinking agent.

[0036] The heat storage and heat transfer adhesive is prepared by the following preparation method: A1. Place silica sol, aluminum dihydrogen phosphate solution, kaolin and sodium hexametaphosphate solution in a reaction kettle at a mass ratio of 30.3%, 26.3%, 3.1% and 2.5%, respectively, and fully emulsify for 70 minutes; A2. Add 0.09% by mass of silane crosslinker KH550 to the mixture in step A1 and stir thoroughly for 8 minutes. After KH550 is completely dispersed, stirring is stopped to form a binder base; A3. Weigh magnesium oxide powder at a mass ratio of 37.71% as a heat-assisting thermal storage base material; A4. Mix the heat-assisting and heat-storing base material of step A3 with the binder base material prepared in step A2 and stir thoroughly for 20 minutes.

[0037] Furthermore, the heating and cooling tube is bent into a heating and cooling coil as required, and a pressure test is performed. The heating and cooling coil is a prefabricated metal tube or non-metal tube with a length of 120m and a diameter of 80mm, and is bent into a shape that can be embedded in the aluminum honeycomb core panel and between the panels. The heating and cooling coil is provided with an external connection interface, and the external interface is welded with a pin, and pressure testing is performed from time to time to check for leakage.

[0038] Then, the aluminum honeycomb core panel with a heating layer is manufactured according to the following steps: B1. Apply glue to the aluminum honeycomb core panel on a glue coating machine according to the traditional process; B2. Indent the aluminum honeycomb core according to the shape of the heating and cooling coil; B3. Implant the heating and cooling coils that have been bent, formed, welded and pressure-maintained into the aluminum honeycomb core according to the indentation and properly bundle the heating and cooling coils and the aluminum honeycomb core; B4, placing the heating and cooling components and the aluminum honeycomb core bundled in step B3 on one of the aluminum honeycomb core panels coated with glue in step B1; B5. Fill the energy storage heat-assisting adhesive between the heat-generating and cooling device and the aluminum honeycomb core; B6, covering the assembly made in step B5 with another aluminum honeycomb core panel coated with glue in step B1; B7, the aluminum honeycomb core plate made in B6 is sent to a cold press for pressing, the cold pressing temperature in the cold press is room temperature, the cold pressing pressure is 4.3MPa, and the cold pressing time is 12h. Repeat the above steps to make multiple aluminum honeycomb core plates.

[0039] Example 2 Prepare silica sol containing 30% SiO2, aluminum dihydrogen phosphate solution containing 30% (by weight) aluminum dihydrogen phosphate, sodium hexametaphosphate solution containing 68% (by weight) sodium hexametaphosphate, kaolin with a specification of 320 mesh, flake graphite with a specification of 200 mesh, magnesium oxide powder with a specification of 180 mesh, and KH550 as a silane cross-linking agent.

[0040] The heat storage and heat transfer adhesive is prepared by the following preparation method: A1. Place silica sol, aluminum dihydrogen phosphate solution, kaolin and sodium hexametaphosphate solution in a reaction kettle at a mass ratio of 32.4%, 19.24%, 4.3% and 6.3%, respectively, and fully emulsify for 50 minutes; A2. Add 0.05% KH550 to the mixture prepared in step A1 and stir thoroughly. The stirring time is 10 minutes. After KH550 is completely dispersed, stirring is stopped to prepare a binder base. A2. 25.41% magnesium oxide powder and 12.3% flake graphite are fully stirred and mixed according to the mass ratio to form a thermal energy storage base material; A4. The thermal energy storage base material prepared in step A3 and the binder base material prepared in step A2 are mixed and stirred thoroughly for 22 minutes.

[0041] Furthermore, the heating and cooling tube is bent into a heating and cooling coil as required, and a pressure test is performed. The heating and cooling coil is a prefabricated metal tube or non-metal tube with a length of 100m and a diameter of 50mm, and is bent into a shape that can be embedded in the aluminum honeycomb core panel and between the panels. The heating and cooling coil is provided with an external connection interface, and the external interface is welded with a pin, and pressure testing is performed from time to time to check for leakage.

[0042] Then, the aluminum honeycomb core panel with a heating layer is manufactured according to the following steps: B1. Apply glue to the aluminum honeycomb core panel on a glue coating machine according to the traditional process; B2. Indent the aluminum honeycomb core according to the shape of the heating and cooling coil; B3. Implant the heating and cooling coils that have been bent, formed, welded and pressure-maintained into the aluminum honeycomb core according to the indentation and properly bundle the heating and cooling coils and the aluminum honeycomb core; B4, placing the heating and cooling components and the aluminum honeycomb core bundled in step B3 on one of the aluminum honeycomb core panels coated with glue in step B1; B5. Fill the energy storage heat-assisting adhesive between the heat-generating and cooling device and the aluminum honeycomb core; B6, covering the assembly made in step B5 with another aluminum honeycomb core panel coated with glue in step B1; B7, the aluminum honeycomb core plate made in B6 is sent to a cold press for pressing, the cold pressing temperature in the cold press is room temperature, the cold pressing pressure is 4.0 MPa, and the cold pressing time is 12 hours. Repeat the above steps to make multiple aluminum honeycomb core plates.

[0043] Example 3 Prepare silica sol containing 30% SiO2, aluminum dihydrogen phosphate solution containing 30% (by weight) aluminum dihydrogen phosphate, sodium hexametaphosphate solution containing 68% (by weight) sodium hexametaphosphate, kaolin with a specification of 280 mesh, magnesium oxide powder with a specification of 180 mesh, graphene with a specification of 3nm~7nm, and KH550 as a silane cross-linking agent.

[0044] The heat storage and heat transfer adhesive is prepared by the following preparation method: A1. Place silica sol, aluminum dihydrogen phosphate solution, kaolin and sodium hexametaphosphate solution in a reaction kettle at a mass ratio of 25.5%, 24.74%, 2.7% and 4.8%, respectively, and fully emulsify for 80 minutes; A2. Add 0.05% KH550 to the mixture prepared in step A1 and stir thoroughly. The stirring time is 10 minutes. After KH550 is completely dispersed, stirring is stopped to prepare a binder base. A3. 35.40% of magnesium oxide powder and 7.31% of graphene were fully stirred and mixed according to the mass ratio to form a thermal energy storage base material; A4. Mix the thermal energy storage base material prepared in step A3 with the binder base material prepared in step A2 and stir thoroughly for 25 minutes.

[0045] Furthermore, the heating and cooling tube is bent into a heating and cooling coil as required, and a pressure test is performed. The heating and cooling coil is a prefabricated metal tube or non-metal tube with a length of 30m and a diameter of 20mm, and is bent into a shape that can be embedded in the aluminum honeycomb core panel and between the panels. The heating and cooling coil is provided with an external connection interface, and the external interface is welded with a pin, and pressure testing is performed from time to time to check for leakage.

[0046] Then, the aluminum honeycomb core panel with a heating layer is manufactured according to the following steps: B1. Apply glue to the aluminum honeycomb core panel on a glue coating machine according to the traditional process; B2. Indent the aluminum honeycomb core according to the shape of the heating and cooling coil; B3. Implant the heating and cooling coils that have been bent, formed, welded and pressure-maintained into the aluminum honeycomb core according to the indentation and properly bundle the heating and cooling coils and the aluminum honeycomb core; B4, placing the heating and cooling components and the aluminum honeycomb core bundled in step B3 on one of the aluminum honeycomb core panels coated with glue in step B1; B5. Fill the energy storage heat-assisting adhesive between the heat-generating and cooling device and the aluminum honeycomb core; B6, covering the assembly made in step B5 with another aluminum honeycomb core panel coated with glue in step B1; B7, the aluminum honeycomb core plate made in B6 is sent to a cold press for pressing, the cold pressing temperature in the cold press is room temperature, the cold pressing pressure is 5.5MPa, and the cold pressing time is 8h. Repeat the above steps to make multiple aluminum honeycomb core plates.

[0047] Example 4 Prepare silica sol containing 30% SiO2, aluminum dihydrogen phosphate solution containing 30% (by weight) aluminum dihydrogen phosphate, sodium hexametaphosphate solution containing 68% (by weight) sodium hexametaphosphate, kaolin with a specification of 300 mesh, flake graphite with a specification of 200 mesh, graphene with a specification of 3nm~7nm, magnesium oxide powder with a specification of 200 mesh, and KH550 as a silane cross-linking agent.

[0048] The heat storage and heat transfer adhesive is prepared by the following preparation method: A1. Place silica sol, aluminum dihydrogen phosphate solution, kaolin and sodium hexametaphosphate solution in a reaction kettle at a mass ratio of 32.4%, 19.24%, 4.3% and 6.3%, respectively, and fully emulsify for 60 minutes; A2. Add 0.05% by mass of KH550 to the binder base prepared in step A1 and stir thoroughly for 10 minutes. After KH550 is completely dispersed, stirring is stopped to prepare a binder base; A3. 25.41% magnesium oxide powder, 11.2% flake graphite and 1.1% graphene were fully stirred and mixed according to the mass ratio to form a thermal energy storage base material; A4. Mix the thermal energy storage base material prepared in step A3 with the binder base material prepared in step A2 and stir thoroughly for 25 minutes.

[0049] Furthermore, the heating and cooling tube is bent into a heating and cooling coil as required, and a pressure test is performed. The heating and cooling coil is a prefabricated metal tube or non-metal tube with a length of 60m and a diameter of 50mm, and is bent into a shape that can be embedded in the aluminum honeycomb core panel and between the panels. The heating and cooling coil is provided with an external connection interface, and the external interface is welded with a pin, and pressure testing is performed from time to time to check for leakage.

[0050] Then, the aluminum honeycomb core panel with a heating layer is manufactured according to the following steps: B1. Apply glue to the aluminum honeycomb core panel on a glue coating machine according to the traditional process; B2. Indent the aluminum honeycomb core according to the shape of the heating and cooling coil; B3. Implant the heating and cooling coils that have been bent, formed, welded and pressure-maintained into the aluminum honeycomb core according to the indentation and properly bundle the heating and cooling coils and the aluminum honeycomb core; B4, placing the heating and cooling components and the aluminum honeycomb core bundled in step B3 on one of the aluminum honeycomb core panels coated with glue in step B1; B5. Fill the energy storage heat-assisting adhesive between the heat-generating and cooling device and the aluminum honeycomb core; B6, covering the assembly made in step B5 with another aluminum honeycomb core panel coated with glue in step B1; B7, the aluminum honeycomb core plate made in B6 is sent to a cold press for pressing, the cold pressing temperature in the cold press is room temperature, the cold pressing pressure is 5.5MPa, and the cold pressing time is 10h. Repeat the above steps to make multiple aluminum honeycomb core plates.

[0051] Example 5 Prepare silica sol containing 30% SiO2, aluminum dihydrogen phosphate solution containing 30% (by weight) aluminum dihydrogen phosphate, sodium hexametaphosphate solution containing 68% (by weight) sodium hexametaphosphate, kaolin with a specification of 300 mesh, graphene with a specification of 3nm~7nm, magnesium oxide powder with a specification of 200 mesh, and KH550 as a silane cross-linking agent.

[0052] The heat storage and heat transfer adhesive is prepared by the following preparation method: A1. Place silica sol, aluminum dihydrogen phosphate solution, kaolin and sodium hexametaphosphate solution in a reaction kettle at a mass ratio of 32.4%, 8.5%, 4.3% and 6.3%, respectively, and fully emulsify for 60 minutes; A2. Add KH550 to the part of the binder base prepared in step A1 at a mass ratio of 0.9% and stir thoroughly. The stirring time is 10 minutes. After KH550 is completely dispersed, stirring is stopped to prepare a binder base. A3. 45.41% magnesium oxide powder and 2.19% graphene powder were fully stirred and mixed according to the mass ratio to form an energy storage and heat-assisting base material; A4. The energy storage and heat-assisting base material prepared in step A3 and the binder base material prepared in step A2 are mixed and stirred thoroughly for 22 minutes.

[0053] An electric heating element is prepared, wherein the electric heating element is made of an electric heating material and is connected with a wiring port.

[0054] Then, the aluminum honeycomb core panel with a heating layer is manufactured according to the following steps: B1. Apply glue to the aluminum honeycomb core panel on a glue coating machine according to the traditional process; B2. Indent the aluminum honeycomb core according to the shape of the electric heating element; B3. Implant the electric heating element that has been bent, formed, welded and pressure-maintained into the aluminum honeycomb core according to the indentation and properly bundle the electric heating element and the aluminum honeycomb core; B4, placing the electric heating element and the aluminum honeycomb core bundled in step B3 on one of the aluminum honeycomb core panels coated with glue in step B1; B5. Fill the energy storage heat-assisting adhesive between the electric heating element and the aluminum honeycomb core; B6, covering the assembly made in step B5 with another aluminum honeycomb core panel coated with glue in step B1; B7, the aluminum honeycomb core plate made in B6 is sent to a cold press for pressing, the cold pressing temperature in the cold press is room temperature, the cold pressing pressure is 4.8MPa, and the cold pressing time is 10h. Repeat the above steps to make multiple aluminum honeycomb core plates.

[0055] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, a person of ordinary skill in the art should understand that any modification to the technical solutions described in the aforementioned embodiments, or any equivalent replacement of some or all of the technical features therein, within the spirit and principles of the present invention, and such modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and should all be included in the protection scope of the present invention.

Claims

1. An aluminum honeycomb core panel with a heating layer, characterized in that: It comprises at least two aluminum honeycomb core panel panels and an aluminum honeycomb core arranged between the aluminum honeycomb core panel panels, wherein a heating and cooling device is implanted on the aluminum honeycomb core; and an energy storage and heat-assisting adhesive is filled between the heating and cooling device and the aluminum honeycomb core and / or the aluminum honeycomb core panel panels.

2. The aluminum honeycomb core panel with a heat-generating layer according to claim 1, characterized in that: The heat storage and heat transfer adhesive is formed by mixing an adhesive base material and a heat storage auxiliary base material.

3. The aluminum honeycomb core panel with a heat-generating layer according to claim 2, characterized in that: The binder base material includes silica sol, aluminum dihydrogen phosphate, kaolin, sodium hexametaphosphate and silane, and the thermal storage base material includes one or more of flake graphite, graphene, magnesium oxide powder, zinc powder, aluminum powder, aluminum ore powder and titanium powder.

4. The aluminum honeycomb core panel with a heat-generating layer according to claim 3, characterized in that: The preparation method of the heat storage and heat transfer adhesive comprises the following steps: A1. Place silica sol, aluminum dihydrogen phosphate solution, kaolin and sodium hexametaphosphate solution in a reaction kettle and fully emulsify; A2. Add silane to the mixture in step A1 and stir thoroughly to allow the silane to be completely dispersed and then stop stirring to prepare a binder base; A3. The flake graphite and / or graphene and / or magnesium oxide powder are mixed and stirred to form a heat-assisting thermal storage base material; A4. Add the heat-assisting and heat-storage base material prepared in step A3 to the binder base material prepared in step A2 and stir thoroughly.

5. The aluminum honeycomb core panel with a heat-generating layer according to claim 4, characterized in that: The silica sol contains 30% SiO2; the weight ratio of aluminum dihydrogen phosphate in the aluminum dihydrogen phosphate solution is 30%; the weight ratio of sodium hexametaphosphate in the sodium hexametaphosphate solution is 68%; the specification of kaolin is 280-320 mesh; the specification of flake graphite is 200 mesh, the specification of graphene is 3nm-7nm, and the specification of magnesium oxide powder is 180-210 mesh; silane uses KH550.

6. The aluminum honeycomb core panel with a heating layer and the preparation method thereof according to claim 5, characterized in that: The weight ratio of silica sol in the heat storage and heat transfer adhesive is 25.5%~32.4%, the weight ratio of aluminum dihydrogen phosphate solution is 8.5%~26.3%, the weight ratio of sodium hexametaphosphate solution is 2.2%~6.3%, the weight ratio of kaolin is 2.7%~4.3%, the weight ratio of thermal storage base material is 29.9%~47.6%, and the weight ratio of silane is 0.05%~0.9%.

7. The aluminum honeycomb core panel with a heat-generating layer according to claim 1, characterized in that: The heating and cooling device includes a heating and cooling coil and / or an electric heating element.

8. The method for preparing the aluminum honeycomb core panel with a heating layer according to any one of claims 4 to 7, characterized in that: The steps include: B1. Apply glue to the aluminum honeycomb core panel on a glue coating machine; B2. Indent the aluminum honeycomb core according to the shape of the heating and cooling device; B3. Implant the heat-generating and cooling components into the aluminum honeycomb core according to the indentation and bundle them; B4, placing the heat-generating and cooling devices and the aluminum honeycomb core bundled in step B3 on the aluminum honeycomb core panel coated with glue in step B1; B5. Fill the energy storage heat-assisting adhesive between the heat-generating and cooling device and the aluminum honeycomb core; B6, covering the assembly made in step B5 with another aluminum honeycomb core panel coated with glue in step B1; B7. Send the aluminum honeycomb core panel made in B6 to the cold press for pressing.

9. The method for preparing the aluminum honeycomb core panel with a heat-generating layer according to claim 8, characterized in that: The cold pressing temperature in the cold pressing machine is room temperature, the pressure is 4MPa~5.5MPa, and the cold pressing time is 8h~12h.

10. The method for preparing the aluminum honeycomb core panel with a heat-generating layer according to claim 8, characterized in that: The heating and cooling coil is provided with an external connection interface, or the electric heating element is connected with a wiring port.