CN213741687U

CN213741687U - Paper surface composite heat insulation board

Info

Publication number: CN213741687U
Application number: CN202022089800.9U
Authority: CN
Inventors: 裘斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-07-20
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a paper composite thermal insulation board, including heat preservation bottom plate, graphite layer and gelatinization layer, gelatinization layer is pour by gelled material and is formed, the graphite layer is embedded to have the heat exchange tube, be equipped with a plurality of through-holes on the graphite layer, gelatinization layer still is equipped with the paper surface layer outward, gelatinization layer sees through the through-hole will keep warm bottom plate, heat exchange tube, graphite layer, gelatinization layer and paper surface layer complex become integrative. The utility model discloses a covering the paper surface course on the gel layer, the paper surface course plays to gather together the consolidation effect to the gel layer, makes the gel layer more firm to make the fracture performance improvement is prevented in the anti resistance to compression of heated board, and then can make the thickness on gel layer reduces, has practiced thrift the cost.

Description

Paper surface composite heat insulation board

Technical Field

The utility model relates to a heating refrigeration technology field mainly relates to air conditioner or low temperature heating system end equipment technical field, concretely relates to paper composite insulation board.

Background

Along with the continuous development of social economy, people constantly improve to the requirement of indoor comfort level, and radiation air conditioning system receives people's favor more and more, and the air conditioner heat transfer is terminal as the device directly relevant with indoor comfort level, receives people's attention more and more.

The heat exchange tail end of the existing heat radiation system is mostly provided with a heat preservation bottom plate as a carrier, and a heat exchange pipe network is bonded with a graphite layer, a metal plate and the like. The invention patent with the publication number of CN 111502149A discloses a graphite composite board, which is formed by integrally pouring and compounding a heat insulation board, a graphite layer and a heat exchange pipe by utilizing a cementing material, and solves the problem that the graphite layer is easy to damage in the sticking process because the graphite layer is soft and fragile in the prior art because the layers are stuck by a common adhesive. However, the gel layer of the composite board has no materials for assisting drawing and consolidation, and the gel layer has poor fracture resistance and pressure resistance, is easy to crack and has short service life.

SUMMERY OF THE UTILITY MODEL

In order to guarantee to solve the technical problem, the utility model provides a paper composite insulation board.

The utility model adopts the technical scheme as follows: the paper surface composite heat-insulating board comprises a heat-insulating bottom board, a graphite layer and a gel layer, wherein the gel layer is formed by pouring a gel material, a heat exchange tube is embedded in the graphite layer, a plurality of through holes are formed in the graphite layer, a paper surface layer is arranged outside the gel layer, and the gel layer penetrates through the through holes to compound the heat-insulating bottom board, the heat exchange tube, the graphite layer, the gel layer and the paper surface layer into a whole.

The utility model has the advantages that: the utility model discloses a covering the paper surface course on the gel layer, the paper surface course plays to gather together the consolidation effect to the gel layer, makes the gel layer more firm to make the fracture performance improvement is prevented in the anti resistance to compression of heated board, and then can make the thickness on gel layer reduces, has practiced thrift the cost.

Preferably, the heat-insulating bottom plate is provided with a slotted hole matched with the through hole on the graphite layer.

Preferably, the inner diameter of the slot hole is gradually increased along the direction far away from the paper surface layer.

Preferably, the gel layer is a heat conduction material layer with a heat conduction coefficient of 0.2-0.8.

Preferably, the thickness of the gel layer is 1-3 mm.

Preferably, the thickness of the graphite layer is 10-15 mm.

Preferably, the heat preservation bottom plate is a polystyrene foam plate and is about 20mm thick.

Preferably, the paper surface layer is kraft paper.

Drawings

Fig. 1 is a schematic diagram of an embodiment of the present invention.

Fig. 2 is an exploded schematic view of an embodiment of the present invention.

Fig. 3 is a schematic diagram of a gel layer in an embodiment of the present invention.

Fig. 4 is a sectional view along the direction a-a in the embodiment of the present invention.

Fig. 5 is a cross-sectional view along the direction B-B in an embodiment of the present invention.

Fig. 6 is a sectional view taken along the direction B-B in the second embodiment of the present invention.

The heat-insulating bottom plate comprises a heat-insulating bottom plate 1, a groove hole 101, a graphite layer 2, a through hole 201, a gel layer 3, a rivet-shaped protrusion 301, a paper surface layer 4 and a heat exchange tube 5.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and examples.

In the examples, as shown in FIGS. 1-6: the paper composite heat-insulating board comprises a heat-insulating bottom board 1, a graphite layer 2 and a gel layer 3, wherein the gel layer 3 is formed by pouring a gel material, a heat exchange tube 5 is embedded in the graphite layer 2, a plurality of through holes 201 are formed in the graphite layer 2, a paper surface layer 4 is further arranged outside the gel layer 3, and the gel layer 3 enables the heat-insulating bottom board 1, the graphite layer 2, the gel layer 3 and the paper surface layer 4 to be compounded into a whole through the through holes 201. In the embodiment, the through holes 201 are formed in the graphite layer 2, the cementing material is injected into the through holes 201 when the cementing layer 3 is poured, and the heat-insulating bottom plate 1, the heat exchange tube 5, the graphite layer 2, the cementing layer 3 and the paper surface layer 4 are completely compounded together by using the viscosity of the cementing material, so that the defect that the graphite layer 2 is soft and fragile in the process of adhering the graphite composite plate by using an adhesive in the prior art is overcome; and through covering paper surface layer 4 on gelatinization layer 3, paper surface layer 4 plays the consolidation effect of drawing together to gelatinization layer 3, makes gelatinization layer 3 more firm to make the fracture performance is prevented in the anti resistance to rupture of heated board's resistance to folding resistance, and then can make gelatinization layer 3's thickness reduces, has practiced thrift the cost.

In the embodiment, as shown in fig. 2 and 5, a better bonding effect can be generally obtained when the aperture of the through hole 201 is between 4 mm and 6mm, a slot hole 101 is arranged on the insulating bottom plate 1 at a position corresponding to the through hole 201, usually, the aperture of the top of the slot hole 101 is consistent with the aperture of the through hole 201, and the inner diameter of the slot hole 101 is gradually increased along the direction far away from the paper surface layer 4, so that the cementing material further flows into the slot hole 101 after being injected into the through hole 201, as shown in fig. 3, a rivet-like protrusion 301 with an end diameter larger than the root is formed in the slot hole 101 after being solidified, thereby, the insulating layer 1 and the graphite layer 2 are combined more firmly.

In the embodiment, as shown in fig. 4-6, the gel layer 3 is a heat conductive material layer with a thermal conductivity of 0.2-0.8, and can be made of a composite gypsum slurry, and the gypsum layer has good heat storage performance and certain heat conductivity, so that the heat transferred by the graphite layer 2 can be accumulated and slowly transferred to the paper surface layer 4. In the embodiment, the thickness of the graphite layer 2 is 10-15 mm; the heat exchange pipe 5 is a heat conduction water pipe connected with a cold source and a heat source, and a U-shaped metal pipe or a polyethylene cross-linked pipe can be generally adopted, and the pipe diameter is about 10mm-16 mm. In the first embodiment, as shown in fig. 4 and 5, the heat exchange tube 5 may be immersed in the graphite layer 2; in the second embodiment, as shown in fig. 6, the heat exchange tube 5 may also be partially embedded in the graphite layer 2, and the other part is poured into the gel layer 3. Because the graphite has excellent heat-conducting property, particularly the compressed graphite layer 2 greatly improves the heat transfer efficiency, the heat transferred by the heat exchange tube 5 can be uniformly conducted and distributed on the whole graphite layer 2 and uniformly transferred to the gel layer 3; meanwhile, the gel layer 3 has a good heat storage function, and can effectively store heat brought by the graphite layer 2 and transfer the heat to the paper surface layer 4. In the embodiment, the paper surface layer 4 is usually kraft paper, and its arrangement makes the gelled layer 3 more firm and less prone to crack, and the kraft paper has smooth heat transfer performance, uniformity and no fluctuation, and moderate heat transfer rate, and can slowly transfer the heat transferred by the gelled layer 3 to the indoor space, thereby adjusting the room temperature. In the embodiment, as shown in fig. 4-6, fig. 4 is a sectional view of the embodiment at a position where the through hole 201 is not provided, and fig. 5 is a sectional view of the embodiment at a position where the through hole 201 is provided; FIG. 6 is a sectional view of the second embodiment at a position where the through-hole 201 is provided

In the embodiment, the paper surface layer 4 not only plays a role in firmly pulling the gel layer 3, but also can perform slow heat exchange with the indoor space due to the stable and moderate heat transfer performance, so the arrangement of the paper surface layer can effectively reduce the thickness of the gel layer 3, and generally the thickness of the gel layer 3 is set to be 1-3 mm.

In the embodiment, as shown in fig. 1 and 2, the heat-insulating bottom plate 1 can effectively prevent heat from being emitted outdoors, improve the utilization rate of heat and save energy, the heat-insulating bottom plate 1 can be a polystyrene foam plate with the thickness of 18-25mm, and the polystyrene foam plate has the advantages of light weight, impact resistance, deformation resistance, low heat conductivity coefficient and good heat-insulating property. The whole composite insulation board has good heat conduction effect and uniform and stable heat dissipation, and ensures constant temperature in the space and comfortable body feeling.

It is obvious that the above embodiments of the present invention are only examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Obvious changes or variations coming within the spirit of the invention are intended to be covered by the scope of the invention.

Claims

1. The utility model provides a paper composite insulation board, includes heat preservation bottom plate (1), graphite layer (2) and gelled layer (3), gelled layer (3) are pour by gelled material and are formed, graphite layer (2) are embedded to have heat exchange tube (5), be equipped with a plurality of through-holes (201) on graphite layer (2), its characterized in that: the heat-insulating bottom plate (1), the heat exchange tubes (5), the graphite layer (2), the gel layer (3) and the paper surface layer (4) are compounded into a whole through the through holes (201) by the gel layer (3).

2. A paper-faced composite insulation board as claimed in claim 1, characterized in that: and the heat-insulating bottom plate (1) is provided with a slotted hole (101) which is matched with the through hole (201) on the graphite layer (2).

3. A paper-faced composite insulation board as claimed in claim 2, characterized in that: the inner diameter of the slotted hole (101) is gradually increased along the direction far away from the paper surface layer (4).

4. A paper-faced composite insulation board as claimed in claim 1, characterized in that: the gel layer (3) is a heat conduction material layer with the heat conduction coefficient of 0.2-0.8.

5. A paper-faced composite insulation board as claimed in claim 1, characterized in that: the thickness of the gel layer (3) is 1-3 mm.

6. A paper-faced composite insulation board as claimed in claim 1, characterized in that: the thickness of the graphite layer (2) is 10-15 mm.

7. A paper-faced composite insulation board as claimed in claim 1, characterized in that: the heat preservation bottom plate (1) is a polystyrene foam plate and is about 20mm thick.

8. A paper-faced composite insulation board as claimed in claim 1, characterized in that: the paper surface layer (4) is kraft paper.