阅读说明：本技术 一种具有高效绝热功能的车顶盖 (Vehicle roof with high-efficiency heat insulation function ) 是由 何亮 于 2019-09-29 设计创作，主要内容包括：本发明公开了一种具有高效绝热功能的车顶盖,包括蜂窝隔热板,蜂窝隔热板位于车辆顶盖和车辆内饰板之间；所述蜂窝隔热板包括蜂窝板,蜂窝板上具有若干竖直设置的正六边形槽道,正六边形槽道内具有若干隔热单元；隔热单元包括第一限位板、第一支撑柱、隔热筒、第二支撑柱和第二限位板,第一限位板通过第一支撑柱和隔热筒相连,第二限位板通过第二支撑柱和隔热筒相连；第一限位板和第二限位板均成正六边型,隔热筒的截面成正六边形,隔热筒的两端通过密封板密封,第一支撑柱和第二支撑柱分别连接隔热筒一端的密封板；第一限位板、第二限位板和隔热筒的截面均和所述正六边形槽道相适应。本发明具有良好的保温效果,能够起到良好的绝热功能。(The invention discloses a vehicle roof with a high-efficiency heat insulation function, which comprises a honeycomb heat insulation plate, wherein the honeycomb heat insulation plate is positioned between the vehicle roof and a vehicle interior trim panel; the honeycomb heat insulation plate comprises a honeycomb plate, wherein the honeycomb plate is provided with a plurality of vertically arranged regular hexagonal channels, and a plurality of heat insulation units are arranged in the regular hexagonal channels; the heat insulation unit comprises a first limiting plate, a first supporting column, a heat insulation cylinder, a second supporting column and a second limiting plate, the first limiting plate is connected with the heat insulation cylinder through the first supporting column, and the second limiting plate is connected with the heat insulation cylinder through the second supporting column; the first limiting plate and the second limiting plate are both in a regular hexagon shape, the cross section of the heat insulation cylinder is in a regular hexagon shape, two ends of the heat insulation cylinder are sealed through sealing plates, and the first supporting column and the second supporting column are respectively connected with the sealing plate at one end of the heat insulation cylinder; the cross sections of the first limiting plate, the second limiting plate and the heat insulation cylinder are all adapted to the regular hexagon channel. The invention has good heat preservation effect and can play a good heat insulation function.)

1. The vehicle roof cover with the efficient heat insulation function is characterized by comprising a honeycomb heat insulation plate (2), wherein the honeycomb heat insulation plate (2) is positioned between a vehicle roof cover (1) and a vehicle interior trim panel (3); the honeycomb heat insulation plate (2) comprises a honeycomb plate (12), a plurality of vertically arranged regular hexagonal channels (4) are formed in the honeycomb plate (12), and a plurality of heat insulation units (11) are arranged in the regular hexagonal channels (4); the heat insulation unit (11) comprises a first limiting plate (5), a first supporting column (6), a heat insulation cylinder (8), a second supporting column (9) and a second limiting plate (10), the first limiting plate (5) is connected with the heat insulation cylinder (8) through the first supporting column (6), and the second limiting plate (10) is connected with the heat insulation cylinder (8) through the second supporting column (9); the first limiting plate (5) and the second limiting plate (10) are both in a regular hexagon shape, the cross section of the heat insulation cylinder (8) is in a regular hexagon shape, two ends of the heat insulation cylinder (8) are sealed through sealing plates (7), and the first supporting column (6) and the second supporting column (9) are respectively connected with the sealing plate (7) at one end of the heat insulation cylinder (8); the sections of the first limiting plate (5), the second limiting plate (10) and the heat insulation cylinder (8) are adapted to the regular hexagonal channel (4); the first limiting plate (5) and the first supporting column (6) are positioned above the heat insulation cylinder (8), and the second limiting plate (10) and the second supporting column (9) are positioned below the heat insulation cylinder (8); the second limiting plate (10) of the heat insulation unit (11) positioned above and the first limiting plate (5) of the heat insulation unit (11) positioned below in the same regular hexagonal channel (4) are stuck and fixed.

2. The roof cover having a high thermal insulation function according to claim 1, wherein the first support column (6) and the second support column (9) are tapered, and the tip of the first support column (6) is connected to the sealing plate (7) of the thermal insulation tube (8), and the tip of the second support column (9) is connected to the sealing plate (7) of the thermal insulation tube (8).

3. The roof cover having a high-efficiency adiabatic function as claimed in claim 2, wherein the gap between the honeycomb heat insulating panel (2) and the roof cover (1) is filled with a foam filler, and the gap between the honeycomb heat insulating panel (2) and the vehicle interior panel (3) is filled with a foam filler.

4. The roof cover with high-efficiency heat insulation function according to claim 2, wherein the foam filling agent is composed of the following materials in parts by weight: 27 parts of modified phenolic resin, 9 parts of quartz sand, 11 parts of rock wool, 19 parts of glass fiber, 7 parts of ceramic powder, 13 parts of binder, 7 parts of mica powder, 5 parts of graphene, 7 parts of foaming agent, 21 parts of fly ash silicate cement and 27 parts of polyacrylamide.

5. The car roof cover with the efficient heat insulation function according to claim 2, wherein the modified phenolic resin is prepared by the following steps:

(1) mixing sodium hexametaphosphate and phenolic resin, putting the mixture into a reactor, adding polyvinyl butyral while stirring, heating and stirring at a high speed for 2 hours to obtain a phenolic resin mixed solution;

(2) distilling the phenolic resin mixed liquor obtained in the step (1), and then condensing to obtain primary modified phenolic resin;

(3) loading nano copper oxide on bentonite to obtain modified bentonite;

(4) and heating the modified bentonite and the primary modified phenolic resin to react under an acidic condition, cooling, filtering and purifying to obtain the modified phenolic resin.

Technical Field

The invention relates to a roof cover with an efficient heat insulation function, which is particularly suitable for a wagon roof cover and belongs to the technical field of vehicle covering part structures.

Background

The roof cover is a cover plate on the top of the carriage. The roof cover is not a very important part for the overall rigidity of the car body, which is also the reason for allowing a roof hatch to be provided in the roof cover. The roof cover is not a very important part for the overall rigidity of the wagon body, which is also the reason for allowing a roof hatch to be provided in the roof cover. From a design point of view, it is important how to smoothly transition the front and rear window frames and the junction point of the front and rear window frames and the pillar, so as to obtain the best visual sense and the minimum air resistance.

In order to ensure certain strength and rigidity of the safety roof, a certain number of reinforcing beams are generally added below the roof, and heat insulation lining materials are laid on the inner layer of the roof to prevent the conduction of outside temperature and reduce the transmission of noise during vibration. At present, the heat insulation gasket material is generally a foam material, can play a certain heat insulation role, but has poor effect.

Disclosure of Invention

The invention aims to provide a vehicle roof cover with an efficient heat insulation function, which has a good heat insulation effect and can play a good heat insulation function.

In order to solve the technical problems, the invention adopts the following technical scheme:

the vehicle roof cover with the efficient heat insulation function comprises a honeycomb heat insulation plate, wherein the honeycomb heat insulation plate is positioned between the vehicle roof cover and a vehicle interior trim panel; the honeycomb heat insulation plate comprises a honeycomb plate, wherein the honeycomb plate is provided with a plurality of vertically arranged regular hexagonal channels, and a plurality of heat insulation units are arranged in the regular hexagonal channels; the heat insulation unit comprises a first limiting plate, a first supporting column, a heat insulation cylinder, a second supporting column and a second limiting plate, the first limiting plate is connected with the heat insulation cylinder through the first supporting column, and the second limiting plate is connected with the heat insulation cylinder through the second supporting column; the first limiting plate and the second limiting plate are both in a regular hexagon shape, the cross section of the heat insulation cylinder is in a regular hexagon shape, two ends of the heat insulation cylinder are sealed through sealing plates, and the first supporting column and the second supporting column are respectively connected with the sealing plate at one end of the heat insulation cylinder; the cross sections of the first limiting plate, the second limiting plate and the heat insulation cylinder are matched with the regular hexagonal channel; the first limiting plate and the first supporting column are positioned above the heat insulation cylinder, and the second limiting plate and the second supporting column are positioned below the heat insulation cylinder; and the second limiting plate of the upper heat insulation unit and the first limiting plate of the lower heat insulation unit in the same regular hexagonal channel are fixedly adhered.

In the car roof with the efficient heat insulation function, the first support column and the second support column are both tapered, the tip of the first support column is connected with the sealing plate of the heat insulation cylinder, and the tip of the second support column is connected with the sealing plate of the heat insulation cylinder.

In the vehicle roof panel with the efficient heat insulation function, the gap between the honeycomb heat insulation plate and the vehicle roof panel is filled with the foam filler, and the gap between the honeycomb heat insulation plate and the vehicle interior panel is filled with the foam filler.

In the vehicle roof cover with the efficient heat insulation function, the foam filling agent is composed of the following materials in parts by weight: 27 parts of modified phenolic resin, 9 parts of quartz sand, 11 parts of rock wool, 19 parts of glass fiber, 7 parts of ceramic powder, 13 parts of binder, 7 parts of mica powder, 5 parts of graphene, 7 parts of foaming agent, 21 parts of fly ash silicate cement and 27 parts of polyacrylamide.

In the car roof cover with the efficient heat insulation function, the modified phenolic resin is prepared by the following steps:

(1) mixing sodium hexametaphosphate and phenolic resin, putting the mixture into a reactor, adding polyvinyl butyral while stirring, heating and stirring at a high speed for 2 hours to obtain a phenolic resin mixed solution;

(2) distilling the phenolic resin mixed liquor obtained in the step (1), and then condensing to obtain primary modified phenolic resin;

(3) loading nano copper oxide on bentonite to obtain modified bentonite;

(4) and heating the modified bentonite and the primary modified phenolic resin to react under an acidic condition, cooling, filtering and purifying to obtain the modified phenolic resin.

The preparation method of the foam filling agent comprises the following steps:

(1) weighing modified phenolic resin, a binder, an HLC compound and a foaming agent, mixing, putting into an ultrasonic dispersion instrument, and ultrasonically dispersing at the power of 200-300W for 35-40 min at the temperature of 55-65 ℃ to obtain a mixture A

(2) Putting quartz sand, rock wool, glass fiber, ceramic powder, mica powder, graphene, fly ash portland cement and polyacrylamide into a high-speed mixer, preheating to 200 ℃, stirring and mixing for 30-45 min at the stirring speed of 350-450 rpm, vacuumizing, and sintering in vacuum to obtain a vacuum sintering mixture;

(3) injecting the mixture A obtained in the step (1) and the vacuum sintering mixture obtained in the step (2) into a double-roll mixing roll for mixing to obtain a mother solution of a product;

(4) and (4) injecting the product mother liquor obtained in the step (3) into a double-screw extruder to obtain a product, wherein the temperature of a screw is 230-240 ℃, and the rotating speed of the screw is 500-540 r/min.

Compared with the prior art, the invention has good heat preservation effect and can play a good heat insulation function. Through set up thermal-insulated unit in regular hexagon channel, can form a plurality of inclosed cavities in regular hexagon channel, it is effectual to insulate against heat. Compared with the conventional vehicle, the vehicle adopting the vehicle top cover is exposed to the sun in summer, and the heating rate of the vehicle adopting the vehicle top cover is about 21 percent lower than that of the conventional vehicle, so that the heat insulation performance of the vehicle top cover is improved by about 20 percent compared with that of the conventional heat insulation gasket.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the construction of a honeycomb insulating panel;

FIG. 3 is a schematic structural view of a regular hexagonal channel and an insulating unit;

fig. 4 is a schematic structural view of the constituent heat insulating units.

Reference numerals: the heat insulation structure comprises a vehicle top cover 1, a honeycomb heat insulation plate 2, a vehicle interior trim plate 3, a regular hexagonal channel 4, a first limiting plate 5, a first supporting column 6, a sealing plate 7, a heat insulation cylinder 8, a second supporting column 9, a second limiting plate 10, a heat insulation unit 11 and a honeycomb plate 12.

The invention is further described with reference to the following figures and detailed description.

Detailed Description

Example 1 of the invention: a vehicle roof with high-efficiency heat insulation function comprises a honeycomb heat insulation plate 2, wherein the honeycomb heat insulation plate 2 is positioned between a vehicle roof 1 and a vehicle interior trim panel 3; the honeycomb heat insulation plate 2 comprises a honeycomb plate 12, wherein the honeycomb plate 12 is provided with a plurality of vertically arranged regular hexagonal channels 4, and a plurality of heat insulation units 11 are arranged in the regular hexagonal channels 4; the heat insulation unit 11 comprises a first limiting plate 5, a first supporting column 6, a heat insulation cylinder 8, a second supporting column 9 and a second limiting plate 10, wherein the first limiting plate 5 is connected with the heat insulation cylinder 8 through the first supporting column 6, and the second limiting plate 10 is connected with the heat insulation cylinder 8 through the second supporting column 9; the first limiting plate 5 and the second limiting plate 10 are both in a regular hexagon shape, the section of the heat insulation cylinder 8 is in a regular hexagon shape, two ends of the heat insulation cylinder 8 are sealed by sealing plates 7, and the first supporting column 6 and the second supporting column 9 are respectively connected with the sealing plate 7 at one end of the heat insulation cylinder 8; the sections of the first limiting plate 5, the second limiting plate 10 and the heat insulation cylinder 8 are all adapted to the regular hexagonal channel 4; the first limiting plate 5 and the first supporting column 6 are positioned above the heat insulation cylinder 8, and the second limiting plate 10 and the second supporting column 9 are positioned below the heat insulation cylinder 8; the second limiting plate 10 of the upper heat insulation unit 11 and the first limiting plate 5 of the lower heat insulation unit 11 in the same regular hexagonal channel 4 are fixedly adhered.

The first support column 6 and the second support column 9 are both tapered, the tip of the first support column 6 is connected with the sealing plate 7 of the heat insulation cylinder 8, and the tip of the second support column 9 is connected with the sealing plate 7 of the heat insulation cylinder 8. The gap between the honeycomb heat insulating panel 2 and the vehicle roof 1 is filled with a foam filler, and the gap between the honeycomb heat insulating panel 2 and the vehicle interior panel 3 is filled with a foam filler. The thermal insulation unit 11 is composed of two unit cells, and the structure of the unit cells is shown in fig. 4.

The foam filler is composed of the following materials in parts by weight: 27 parts of modified phenolic resin, 9 parts of quartz sand, 11 parts of rock wool, 19 parts of glass fiber, 7 parts of ceramic powder, 13 parts of binder, 7 parts of mica powder, 5 parts of graphene, 7 parts of foaming agent, 21 parts of fly ash silicate cement and 27 parts of polyacrylamide.

The preparation steps of the modified phenolic resin are as follows:

1, mixing sodium hexametaphosphate and phenolic resin, putting the mixture into a reactor, adding polyvinyl butyral while stirring, heating and stirring at a high speed for 2 hours to obtain a phenolic resin mixed solution;

2, distilling the phenolic resin mixed liquor obtained in the step 1, and then condensing to obtain primary modified phenolic resin;

3, loading the nano copper oxide on the bentonite to obtain modified bentonite;

4 heating the modified bentonite and the primary modified phenolic resin to react under the acidic condition, cooling, filtering and purifying to obtain the modified bentonite

The modified phenolic resin.

The preparation method of the foam filling agent comprises the following steps:

(1) weighing modified phenolic resin, a binder, an HLC compound and a foaming agent, mixing, putting into an ultrasonic dispersion instrument, and ultrasonically dispersing at the power of 200-300W for 35-40 min at the temperature of 55-65 ℃ to obtain a mixture A

(2) Putting quartz sand, rock wool, glass fiber, ceramic powder, mica powder, graphene, fly ash portland cement and polyacrylamide into a high-speed mixer, preheating to 200 ℃, stirring and mixing for 30-45 min at the stirring speed of 350-450 rpm, vacuumizing, and sintering in vacuum to obtain a vacuum sintering mixture;

(3) injecting the mixture A obtained in the step (1) and the vacuum sintering mixture obtained in the step (2) into a double-roll mixing roll for mixing to obtain a mother solution of a product;

(4) and (4) injecting the product mother liquor obtained in the step (3) into a double-screw extruder to obtain a product, wherein the temperature of a screw is 230-240 ℃, and the rotating speed of the screw is 500-540 r/min.

Compared with the conventional vehicle, the vehicle adopting the vehicle top cover is exposed to the sun in summer, and the heating rate of the vehicle adopting the vehicle top cover is about 21 percent lower than that of the conventional vehicle, so that the heat insulation performance of the vehicle top cover is improved by about 20 percent compared with that of the conventional heat insulation gasket.