CN218543621U

CN218543621U - Thermal insulation material

Info

Publication number: CN218543621U
Application number: CN202222122034.0U
Authority: CN
Inventors: 俞麒峰; 涂平; 李爱东; 钱竞泽; 华向阳; 施槐林
Original assignee: Suzhou Yunyi Aviation Composite Material Structure Co ltd
Current assignee: Suzhou Yunyi Aviation Composite Material Structure Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2023-02-28
Anticipated expiration: 2032-08-11

Abstract

The utility model mainly relates to a thermal insulation material, include: the air exhaust joint is communicated with the inside of the shell; the core, fill in the casing in, the core include one deck or range upon range of multilayer honeycomb layer and fill the heat preservation granule in honeycomb layer, separate by the baffle between the range upon range of honeycomb layer, have the interval of bleeding with the UNICOM of structure of bleeding between the week side of honeycomb layer and the inner wall of casing week side honeycomb layer honeycomb wall of honeycomb layer on seted up the bleeder vent, the bleeder vent be used for communicating honeycomb everywhere in the honeycomb layer with the interval of bleeding. The utility model discloses a thermal insulation material can have the thermal insulation material of high temperature resistant, the effectual and resistance to compression of heat preservation, the advantage of shearing simultaneously, can be applicable to the wall body or the heat preservation of the various heat-retaining medium of manufacturing.

Description

Thermal insulation material

Technical Field

The utility model mainly relates to a heat insulation material.

Background

An energy storage device is a type of device that stores generated energy to address the energy needs that may be faced in the future. Energy storage devices are of great significance to the production and use of energy. Existing energy storage devices generally convert energy into electrical energy or thermal energy for storage. The storage of thermal energy has a high requirement for the thermal insulation performance of the equipment. For example, in the case of water as a heat storage medium, in order to utilize the phase change latent heat of water, an external thermal insulation material needs to have a low thermal conductivity and a high heat-resistant temperature, and further, in order to facilitate transportation, the thermal insulation material needs to have certain toughness and strength against impact and damage.

Traditional inorganic heat-insulating materials such as rock wool and the like have good high-temperature resistance, but the heat conductivity coefficient is generally more than 0.05W/m/K. The heat conductivity coefficient of various foaming heat-insulating materials such as polyurethane can be reduced to 0.02-0.045W/m/K, but the temperature resistance of the organic materials is difficult to exceed 130 ℃. Vacuum insulation materials (VIP) which are filled with aerogel or superfine glass fiber by using a vacuum bag and then are vacuumized integrally are also available in the market, the lowest heat conductivity coefficient of the VIP can reach 0.0015W/m/K order, and the VIP has quite excellent heat insulation capability. However, because the vacuum insulation material is connected with the vacuum bag to maintain vacuum, the internal air will increase gradually with the increase of time, and the long-term insulation capability of the product is further affected. Meanwhile, the VIP heat-insulating material is very fragile and is easily influenced by external needling in the using and transporting processes, so that the vacuum degree and the heat-insulating capability of the product are lost.

SUMMERY OF THE UTILITY MODEL

The main object of the present invention is to provide a thermal insulation material suitable for thermal insulation of heat storage medium.

In order to achieve the above object, the present invention provides a thermal insulation material, including:

a sealed shell, an air extraction joint communicated with the inside of the shell is arranged on the shell,

the core, fill in the casing in, the core include one deck or range upon range of multilayer honeycomb layer and fill the heat preservation granule in honeycomb layer, separate by the baffle between the range upon range of honeycomb layer, have the interval of bleeding with the UNICOM of structure of bleeding between the week side of honeycomb layer and the inner wall of casing week side honeycomb layer honeycomb wall of honeycomb layer on seted up the bleeder vent, the bleeder vent be used for communicating honeycomb everywhere in the honeycomb layer with the interval of bleeding.

In some embodiments of the present invention, the core is fixedly connected to the housing.

In some embodiments of the present invention, the heat preservation particles are aerogel particles, glass microfiber particles, ultrafine glass fiber particles or gasified silica particles.

In some embodiments of the present invention, the inner and outer walls of the housing, and the surface of the partition plate are coated with a specular reflection film.

In some embodiments of the present invention, the honeycomb of the multi-layer honeycomb structure layer is arranged in a staggered manner.

In some embodiments of the present invention, the honeycomb section has a hexagonal, rectangular or trapezoidal shape.

In some embodiments of the present invention, the honeycomb material is made of high temperature resistant resin.

In some embodiments of the present invention, the housing has a reinforcement portion, and the air suction joint communicates with the inside of the housing at the reinforcement portion.

The utility model discloses an insulation material can have the insulation material of resistant high temperature, effectual and resistance to compression of keeping warm, the advantage of shearing simultaneously, can be applicable to the wall body or the heat preservation of the various heat-retaining medium of manufacturing.

Drawings

FIG. 1 is a schematic diagram of a sectional structure of an insulating material.

Fig. 2 is a schematic illustration of a staggered arrangement of layers of a multilayer honeycomb structure.

In the figure: 1. the air-suction type solar cell comprises a shell, 2 air-suction joints, 3 a mirror reflection film, 4 a honeycomb structure layer, 5 air holes, 6 air-suction intervals and 7 partition plates.

Detailed Description

In view of the problems of low heat-resistant temperature, poor pressure and shear resistant capability, poor heat-insulating effect and the like of the existing heat-insulating material when insulating heat of a heat storage medium, the heat-insulating material comprises:

the honeycomb structure comprises a core body and a plurality of air-exhaust structures, wherein the core body is filled in the shell and comprises one or more stacked honeycomb structure layers and heat-preservation particles filled in the honeycomb structure layers, the stacked honeycomb structure layers are separated by a partition plate, an air exhaust interval communicated with the air exhaust structure is arranged between the peripheral side of the honeycomb structure layer and the peripheral side of the shell, air holes are formed in the honeycomb wall of the honeycomb structure layer, and the air holes are used for communicating all honeycombs in the honeycomb structure layer with the air exhaust interval.

The heat-insulating material has the advantages of high heat-resisting temperature, good pressure-resisting and shear-resisting capability and lasting heat-insulating effect, and can be suitable for manufacturing honeycomb walls, heat-insulating layers and the like of energy storage medium containers.

Fig. 1 shows a practical specific structure of the thermal insulation material, as shown in the figure, the structure of the thermal insulation material is composed of a shell 1 and a core filled in the shell 1, the core comprises a honeycomb structure layer 4, a partition 7 and a honeycomb structure layer 4 which are sequentially stacked up and down, and thermal insulation particles are filled in the honeycomb structure layer 4. An air exhaust interval 6 communicated with the air exhaust structure is arranged between the peripheral side of the honeycomb structure layer 4 and the inner wall of the peripheral side of the shell 1, air holes 5 are formed in the honeycomb wall of the honeycomb structure layer 4, and the air holes 5 are used for communicating each honeycomb in the honeycomb structure layer 4 with the air exhaust interval 6.

In the above structure. One side of the shell 1 is provided with an air exhaust connector 2, and the air exhaust connector 2 is used for connecting an air exhaust mechanism to vacuumize the inside of the shell 1. In order to increase the strength of the connecting position of the air suction connector 2, the shell 1 is thickened at the connecting position to form a reinforcing part, and the strength of the connecting position of the air suction connector 2 is ensured. The air exhaust connector 2 can adopt the existing self-sealing quick connector, the air exhaust opening of the air exhaust mechanism can be inserted and opened in a plugging mode, the inside of the shell 1 is vacuumized through the air exhaust mechanism, the air exhaust pipeline is extracted after air exhaust is finished, and the air exhaust connector 2 is automatically sealed, so that the inside of the shell 1 is kept in a vacuum state. The specular reflection film 3 may be formed by attaching specular reflection films 3, such as aluminum films, to both the inner and outer walls of the case 1, and the specular reflection films 3 are used for heat loss caused by infrared radiation.

In above-mentioned structure, the honeycomb wall of honeycomb's direction perpendicular to casing 1, lower inner wall, the honeycomb wall of honeycomb has provided the support to insulation material from inside to improved the holistic withstand voltage of insulation material and resistant shearing force performance, the heat preservation granule of filling in the honeycomb, the material of honeycomb itself can both reduce insulation material's coefficient of heat conductivity, with the holistic heat preservation effect of improvement material, through bleeding joint 2, with the inside vacuum state of taking out of casing 1, can further improve the heat preservation effect of material.

In the heat insulating material, the material of the honeycomb structure layer 4 can be made of a resin material capable of withstanding a high temperature of 200 to 300 ℃, the selected resin material includes phenolic resin, benzoxazine resin or polyimide, and the like, and the resin can be further filled with fibers with a heat conductivity coefficient less than 0.5W/m/such as glass fibers or basalt fibers to enhance the heat insulating effect. In the honeycomb structure layer 4 manufactured or selected, the cross-sectional shape of the honeycomb may include any cross-sectional shape that can be used for the honeycomb, such as a regular hexagon, a rectangle, a trapezoid, and the like.

Referring to fig. 1, in honeycomb structure layer 4, bleeder vent 5 has been seted up on the honeycomb wall, bleeder vent 5 is used for communicateing adjacent honeycomb and honeycomb, honeycomb and the interval 6 of bleeding, its setting mode can set up bleeder vent 5 on all honeycomb walls, perhaps can set up going on in proper order of bleeder vent 5 to the honeycomb wall according to certain route direction, through the intercommunication of bleeder vent 5, when bleeding casing 1 inside, pressure in honeycomb structure layer 4 and the pressure in the casing 1 realize balancing, prevent to cause the damage because local pressure is unbalanced to insulation material.

The heat-insulating particles filled in the honeycomb structure comprise aerogel particles, glass microfiber particles, superfine glass fiber particles or gasified silicon dioxide particles. These particles all have a very good insulating effect.

The upper and lower honeycomb-structure layers 4 are fixed together with the partition 7 therebetween, and when the honeycomb-structure layer 4 is made of the above resin material or other thermoplastic resin, the honeycomb-structure layer 4 and the partition 7 can be fixed together by welding, or can be connected by bonding or other existing fixing methods. The honeycomb-structure layer 4 and the shell 1 can be fixed together in the same way. The honeycomb in upper and lower two-layer honeycomb structural layer 4 is preferred to be misplaced and is arranged, and after the dislocation, upper and lower two-layer honeycomb structural layer 4 can form the dislocation structure as shown in fig. 2, and in this structure, the honeycomb on upper strata and the honeycomb on lower floor produce certain skew to make and form the contained angle between the honeycomb wall on upper strata and the honeycomb wall on lower floor, can further reduce the heat-conduction of upper and lower honeycomb wall like this, promote heat retaining effect. Similarly, specular reflection films 3 such as aluminum films may be attached to the upper and lower surfaces of the partition 7 to reduce heat loss caused by infrared radiation. Therefore, the obtained thermal insulation material can resist the high temperature of 200-300 ℃ or even higher, has good thermal insulation effect and pressure and shear resistance, and can be suitable for manufacturing the wall bodies or thermal insulation layers of various heat storage medium containers.

The embodiments of the present invention are only used for illustration, and do not limit the scope of the claims, and other substantially equivalent alternatives that may be conceived by those skilled in the art are within the scope of the present invention.

Claims

1. The heat insulating material is characterized by comprising:

a sealed shell, an air exhaust joint communicated with the inside of the shell is arranged on the shell,

2. The insulating material of claim 1, wherein said core is fixedly attached to said shell.

3. The insulation material of claim 1, wherein said insulation particles are aerogel particles, glass microfiber particles, ultra-fine glass fiber particles, or gasified silica particles.

4. The insulation material of claim 1, wherein the inner and outer walls of said housing and said partition are coated with specular reflective films.

5. The insulating material of claim 1, wherein the cells of the plurality of cell structure layers are arranged in a staggered manner.

6. The insulating material according to claim 1, wherein the honeycomb cross-sectional shape is hexagonal, rectangular or trapezoidal.

7. The insulating material according to claim 1, wherein the honeycomb material is made of high temperature resistant resin.

8. The insulating material according to claim 1, wherein said shell has a reinforcement portion thereon, and said suction fitting communicates with the interior of said shell at the location of said reinforcement portion.