Fabricated light-weight thermal insulation wallboard and its formula

CN123006031APending Publication Date: 2026-10-30ANHUI HUAISU BUILDING MATERIALS CO LTD
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Patent Information

Application Number
CN202611189086.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-08-06
Publication Date
2026-10-30

AI Technical Summary

Technical Problem

[0003]现有技术中,在保温设置中,采用内部的真空设置能够起到良好的保温效果,而真空的内腔在长期使用过程中,存在真空层泄露的情况,导致保温效果急剧下降,而影响墙板的使用

Benefits of technology

[0060]通过保温置换组件的设置,能够将真空仓的真空保温置换为保温料保温,从而有利于避免在真空保温失效后导致墙板完全失去保温效果的情况。

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the technical field of wallboards, in particular to a fabricated light thermal insulation wallboard and a formula thereof, which comprises a waterproof outer frame, a waterproof outer plate fixed at the top opening of the waterproof outer frame, an inner layer plate fixed inside the waterproof outer frame, a thermal insulation inner cavity arranged in the inner layer plate, a thermal insulation layer fixed in the thermal insulation inner cavity, a vacuum chamber arranged in the inner layer plate, a waterproof assembly installed at the joint between the waterproof outer frame and the waterproof outer plate to prevent water flow from entering the inner layer plate, and a thermal insulation replacement assembly used for automatically triggering the thermal insulation replacement assembly to replace the vacuum thermal insulation with thermal insulation material thermal insulation when the vacuum chamber leaks and causes thermal insulation failure. The device can replace the vacuum thermal insulation of the vacuum chamber with thermal insulation material thermal insulation through the thermal insulation replacement assembly, so that the situation that the wallboard completely loses the thermal insulation effect after the vacuum thermal insulation failure is avoided.
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Description

Technical Field

[0001] This invention relates to the field of wall panels, and more particularly to a prefabricated lightweight thermal insulation wall panel and its formulation. Background Technology

[0002] Insulated wall panels are a new type of prefabricated composite panel that integrates thermal insulation and enclosure functions. They are mainly used for building exterior or interior walls. Their core structure is usually composed of an insulation layer, a reinforcement layer, and a finishing layer. They can significantly reduce building energy consumption and achieve "warm in winter and cool in summer". They also have the advantages of being lightweight, fireproof, and efficient in construction.

[0003] In existing technologies, internal vacuum insulation can achieve good insulation results. However, during long-term use, the vacuum layer may leak, causing a sharp decline in insulation performance and affecting the use of the wall panels. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a prefabricated lightweight thermal insulation wall panel and its formulation.

[0005] This invention provides a prefabricated lightweight thermal insulation wall panel, including a waterproof outer frame, and further comprising:

[0006] A waterproof outer panel is fixed to the top opening of the waterproof outer frame;

[0007] The inner layer plate is fixed inside the waterproof outer frame;

[0008] The heat-insulating inner cavity is located inside the inner layer plate;

[0009] The insulation layer is fixed inside the insulation cavity;

[0010] A vacuum chamber is formed inside the inner layer plate;

[0011] A waterproof component is installed at the joint between the waterproof outer frame and the waterproof outer panel to prevent water from entering the interior of the inner panel.

[0012] The insulation replacement component is installed inside the vacuum chamber and is used to automatically trigger the insulation replacement component to replace the vacuum insulation with insulation material when the vacuum chamber leaks and causes insulation failure.

[0013] The waterproof outer frame and waterproof outer panel can be snapped together for assembly. The inner panel is installed inside the waterproof outer frame to complete the wall panel assembly. The insulation layer and vacuum chamber inside the inner panel provide a double-layer insulation effect. The vacuum chamber effectively provides insulation, and the waterproof components absorb and block water flow, preventing water from entering the inner panel. This helps prevent the insulation layer inside the inner panel from absorbing water and affecting its insulation effect, and also prevents leakage of the vacuum chamber due to water absorption. In the event of unavoidable leakage in the vacuum chamber during long-term use, the insulation replacement component is automatically triggered to replace the vacuum insulation in the vacuum chamber with insulation material, thus preventing the wall panel from completely losing its insulation effect after the vacuum insulation fails.

[0014] Preferably, the waterproof component includes:

[0015] A waterproof membrane, folded in half at the center, is placed at the joint between the waterproof outer frame and the waterproof outer panel;

[0016] Two embedding ends are respectively embedded and fixed inside the grooves opened on the side wall of the waterproof outer frame and the waterproof outer plate;

[0017] The absorbent strip is fixed to the center fold of the waterproof membrane;

[0018] The waterproof membrane can isolate external water flow, and through the water-absorbing strips inside, when the water-absorbing strips expand after absorbing water, they can further expand and squeeze to seal the joint between the waterproof outer frame and the waterproof outer panel, thereby improving the waterproof effect and preventing water from entering the interior of the inner panel.

[0019] Preferably, the vacuum chamber further includes:

[0020] Multiple partitions, arranged in a grid pattern, are fixed inside the vacuum chamber to divide the interior of the vacuum chamber into multiple independent vacuum spaces. Multiple insulation and replacement components are provided and installed inside each of the vacuum spaces respectively.

[0021] The multiple partitions divide the interior of the vacuum chamber into several independent vacuum spaces. This independent design ensures that if a leak occurs in one of these spaces, the insulation effect of the entire wall panel will not be lost. Instead, the insulation effect of that specific location will be weakened, thus helping to maintain the overall insulation effect of the wall panel.

[0022] Preferably, the heat insulation and displacement assembly includes:

[0023] A frame-shaped bracket is fixed to the inner side wall of the vacuum space;

[0024] The storage box is located inside the vacuum space. The side wall edge is provided with a slope on the side facing the frame, and the slope fits against the frame to form a seal, so as to divide the vacuum space into a vacuum side and a high-pressure side.

[0025] The first spring is fixed inside the vacuum side, with one end fixedly connected to the inner wall of the vacuum space and the other end fixedly connected to the storage box. It is in a compressed state in the initial state.

[0026] When a leak occurs on the vacuum side, the storage box is ejected by the elastic force of the first spring, triggering the switching component to switch to the insulation material insulation state.

[0027] The sealing strip is fixed inside the inclined surface and is frame-shaped overall.

[0028] A sealing groove is formed on the frame and is inserted and adapted to the sealing strip.

[0029] Preferably, the switching component includes:

[0030] The inner cavity is located inside the storage box;

[0031] Insulating components are filled inside the cavity;

[0032] Multiple openings are formed on the side wall of the storage box facing the vacuum side;

[0033] Multiple sealing baffles are respectively disposed inside each of the openings, and the end of the sealing baffle facing the center of the vacuum space is fixedly connected to the edge of the opening;

[0034] Multiple sealing plates are fixed to the edges of each of the sealing baffles.

[0035] Preferably, the switching component further includes:

[0036] Multiple supports are fixed inside the vacuum side;

[0037] Multiple support plates are fixed to each of the brackets. In the initial state, the support plates are attached to and aligned with the sealing baffle to form support.

[0038] A rope is fixed between the support plate and the sealing baffle. In the initial state, the entire rope is adhered to the support plate by glue.

[0039] Preferably, the switching component further includes:

[0040] A cylindrical space is provided at the center of the insulation component;

[0041] Multiple arc-shaped frames are arranged in a circular array inside the cylindrical space;

[0042] Multiple arc-shaped connector strips are respectively disposed between each adjacent arc-shaped frame, and their two ends are respectively connected to the adjacent arc-shaped frame;

[0043] A spring is disposed inside the cylindrical space, and the outer end of the spring presses against the arc-shaped frame or the arc-shaped connector.

[0044] Preferably, the heat insulation replacement component further includes:

[0045] Multiple second springs are fixed to the side wall of the storage box;

[0046] Multiple high-density boards are respectively fixed to one end of the second spring facing the heat-insulating inner cavity;

[0047] Multiple actuating plates are fixed to the inner wall of the vacuum chamber near one end of the heat-insulating cavity, with their ends located on the moving path of the high-density board.

[0048] Preferably, the insulation component specifically includes:

[0049] Insulating material is dispersed inside the storage box;

[0050] The diamond-shaped card frame is arranged in a diamond shape. When stored inside the storage box, the two sides of the diamond shape are pressed together by the insulation material, and the diamond-shaped card frame is evenly distributed inside the insulation material.

[0051] Secondly, a prefabricated lightweight thermal insulation wall panel formula is provided, comprising:

[0052] 60% wood flour;

[0053] PE 25%;

[0054] Compatibilizer (maleic anhydride-grafted PP) 3%;

[0055] The lubricant is 2%, specifically comprising: 1% Fischer-Tropsch wax, 0.6% zinc stearate, and 0.4% EBS;

[0056] 9% silica (fly ash);

[0057] Antioxidant 0.5%;

[0058] UV stabilizer 0.5%.

[0059] Compared with the prior art, the present invention has the following beneficial effects:

[0060] By setting up the insulation replacement component, the vacuum insulation of the vacuum chamber can be replaced by insulation material insulation, which helps to avoid the situation where the wall panel completely loses its insulation effect after the vacuum insulation fails. Attached Figure Description

[0061] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0062] Figure 2 This is a schematic diagram of the overall cross-section of the present invention.

[0063] Figure 3 For the present invention Figure 2 A magnified structural diagram of point A in the middle.

[0064] Figure 4 For the present invention Figure 3 A magnified structural diagram at point B in the middle.

[0065] Figure 5 For the present invention Figure 3 A magnified structural diagram at point C.

[0066] Figure 6 For the present invention Figure 3 A magnified structural diagram at point D.

[0067] Figure 7 This is a cross-sectional structural diagram of the storage box of the present invention.

[0068] Figure 8 For the present invention Figure 7 A magnified structural diagram at point E in the middle.

[0069] Figure 9 This is a schematic diagram of the diamond-shaped card frame in its unfolded (left) and compressed (right) states according to the present invention.

[0070] In the diagram: 1. Waterproof outer frame; 101. Waterproof outer panel; 102. Inner layer panel; 103. Insulated inner cavity; 104. Insulation layer; 105. Vacuum chamber; 2. Waterproof membrane; 201. Embedded end; 202. Water-absorbing strip; 3. Partition; 4. Frame-shaped frame; 401. Storage box; 402. First spring; 403. Sealing strip; 404. Sealing slot; 5. Insulation component; 501. Opening; 502. Sealing baffle; 503. Sealing sheet; 6. Support plate; 601. Rope; 602. Bracket; 7. Arc-shaped frame; 701. Arc-shaped insert strip; 702. Spring; 703. Cylindrical space; 8. High-density board; 801. Second spring; 802. Actuating piece. Detailed Implementation

[0071] The following description is intended to disclose the invention and enable those skilled in the art to implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art.

[0072] like Figures 1 to 9The prefabricated lightweight thermal insulation wall panel shown includes a waterproof outer frame 1, and also includes:

[0073] The waterproof outer panel 101 is fixed to the top opening of the waterproof outer frame 1;

[0074] Inner layer 102 is fixed inside the waterproof outer frame 1;

[0075] The heat-insulating inner cavity 103 is formed inside the inner layer plate 102;

[0076] The insulation layer 104 is fixed inside the insulation cavity 103;

[0077] Vacuum chamber 105 is located inside inner layer plate 102;

[0078] A waterproof component is installed at the joint between the waterproof outer frame 1 and the waterproof outer panel 101 to prevent water from entering the interior of the inner panel 102.

[0079] The insulation replacement component is installed inside the vacuum chamber 105. It is used to automatically trigger the insulation replacement component to replace the vacuum insulation with insulation material when the vacuum chamber 105 leaks and causes insulation failure.

[0080] In the existing technology, the internal vacuum setting in the insulation setting can achieve good insulation effect. However, during long-term use, the vacuum layer may leak, which will cause the insulation effect to drop sharply and affect the use of the wall panel.

[0081] This embodiment of the invention can solve the above problems. The specific implementation is as follows: the waterproof outer frame 1 and the waterproof outer plate 101 can be snapped together. The inner layer plate 102 is installed inside the waterproof outer frame 1 to realize the assembly of the wall panel. The insulation layer 104 and vacuum chamber 105 inside the insulation cavity 103 set inside the inner layer plate 102 can achieve a double-layer insulation effect. The setting of the vacuum chamber 105 can effectively achieve insulation. The setting of the waterproof component allows water to be absorbed and blocked by the waterproof component, which helps to prevent water from entering the interior of the inner layer plate 102. This helps to prevent the insulation layer 104 inside the inner layer plate 102 from absorbing water and affecting the insulation effect, and also helps to prevent the vacuum chamber 105 from leaking after the inner layer plate 102 absorbs water. In the long-term use, the vacuum chamber 105 has an unavoidable leakage problem. At this time, the insulation replacement component is automatically triggered, which can replace the vacuum insulation of the vacuum chamber 105 with insulation material insulation, thus helping to prevent the wall panel from completely losing its insulation effect after the vacuum insulation fails.

[0082] As an optional embodiment, the waterproof component includes:

[0083] Waterproof membrane 2 is folded in half at the center and placed at the joint between waterproof outer frame 1 and waterproof outer panel 101;

[0084] Two embedding ends 201 are respectively embedded in the grooves opened on the side walls of the waterproof outer frame 1 and the waterproof outer plate 101;

[0085] Absorbent strip 202 is fixed at the center fold of waterproof membrane 2;

[0086] The waterproof membrane 2 can isolate external water flow, and through the water-absorbing strip 202 set inside, when the water-absorbing strip 202 absorbs water and expands, it can further expand and squeeze to seal the joint between the waterproof outer frame 1 and the waterproof outer plate 101, thereby improving the waterproof effect and preventing water flow from entering the interior of the inner plate 102.

[0087] As an optional embodiment, the vacuum chamber 105 further includes:

[0088] Multiple partitions 3 are arranged in a grid pattern and fixed inside the vacuum chamber 105 to divide the interior of the vacuum chamber 105 into multiple independent vacuum spaces. Multiple heat insulation and replacement components are set and installed inside each vacuum space respectively.

[0089] The multiple partitions 3 divide the interior of the vacuum chamber 105 into multiple independent vacuum spaces. The independent vacuum spaces ensure that when a leak occurs in a certain vacuum space, the entire wall panel will not lose its insulation effect. Instead, the insulation effect of a specific location will be weakened, which helps to maintain the overall insulation effect of the wall panel.

[0090] As an optional embodiment, the insulation replacement component includes:

[0091] The frame 4 is fixed to the inner side wall of the vacuum space;

[0092] Storage box 401 is located inside the vacuum space. The side wall edge facing the frame 4 has a bevel, and the bevel fits the frame 4 to form a seal, so as to divide the vacuum space into a vacuum side and a high-pressure side.

[0093] The first spring 402 is fixed inside the vacuum side, with one end fixedly connected to the inner wall of the vacuum space and the other end fixedly connected to the storage box 401. It is in a compressed state in the initial state.

[0094] When a leak occurs on the vacuum side, the storage box 401 is ejected by the elastic force of the first spring 402, triggering the switching component to switch to the insulation material insulation state.

[0095] The sealing strip 403 is fixed inside the inclined surface and has an overall frame shape.

[0096] A sealing groove 404 is provided on the frame 4 and is inserted and adapted to the sealing strip 403.

[0097] When a leak occurs on the vacuum side, the vacuum state inside the vacuum side disappears, thus losing the vacuum adsorption on the storage box 401. At this time, under the elastic force of the first spring 402, the storage box 401 is pushed to move towards the high-pressure side. After the storage box 401 moves towards the high-pressure side, the gas inside the high-pressure side flows into the vacuum side, thereby achieving pressure balance on both sides. After the storage box 401 is pushed, the switching component is triggered, thereby switching to the insulation state under the action of the switching component. Thus, after the vacuum insulation fails, the insulation material is filled into the vacuum side to achieve insulation.

[0098] The sealing strip 403 and the sealing groove 404 are designed so that, in the initial state, under the negative pressure of a vacuum, the sealing strip 403 and the sealing groove 404 are fully engaged, thereby further improving the sealing effect.

[0099] As an optional embodiment, the switching component includes:

[0100] The inner cavity is located inside the storage box 401;

[0101] Insulation component 5 is filled inside the cavity;

[0102] Multiple openings 501 are formed on the side wall of the storage box 401 facing the vacuum side;

[0103] Multiple sealing baffles 502 are respectively disposed inside each opening 501, and the end of the sealing baffle 502 facing the center of the vacuum space is fixedly connected to the edge of the opening 501.

[0104] Multiple sealing pieces 503 are respectively fixed to the edge of each sealing baffle 502;

[0105] The engagement of the sealing strip 403 and the sealing groove 404 causes the sealing baffle 502 to be locked in place, preventing the sealing baffle 502 from sliding inward to the vacuum side under negative pressure. The sealing baffle 502 fills the opening 501, and its edges are sealed by the sealing sheet 503 to achieve a seal inside the vacuum side, preventing leakage of internal materials or airflow from the storage box 401 to the vacuum side. When the storage box 401 is pushed, the squeezing and sealing effect on the sealing baffle 502 disappears. At this time, the storage box 401 is pushed away while the sealing baffle 502 remains in place, opening the opening 501. This allows the compressed insulation component 5 stored inside the storage box 401 to expand after losing its compression. The expanded insulation component 5 fills the vacuum side, thereby achieving insulation.

[0106] As an optional embodiment, the switching component further includes:

[0107] Multiple brackets 602 are fixed inside the vacuum side;

[0108] Multiple support plates 6 are fixed to each bracket 602 respectively. In the initial state, the support plates 6 are attached to and aligned with the sealing baffle 502 to form support.

[0109] Rope 601 is fixed between support plate 6 and sealing baffle 502. In the initial state, rope 601 is adhered to support plate 6 by glue.

[0110] The bracket 602 can fix the support plate 6, and the support plate 6 can support the sealing baffle 502. By supporting and squeezing the sealing baffle 502 inside the opening 501, a seal is formed to prevent the sealing baffle 502 from sliding into the vacuum side under negative pressure, causing leakage of the insulation component 5. When the storage box 401 is pushed, the rope 601 pulls the sealing baffle 502, thereby pulling the sealing baffle 502 away from the opening 501. The adhesive on the rope 601 ensures that the rope 601 can adapt to the movement distance of the storage box 401 while maintaining the pull. This prevents the storage box 401 from being unable to move due to insufficient rope length, which would prevent the opening 501 from being fully opened.

[0111] As an optional embodiment, the switching component further includes:

[0112] The cylindrical space 703 is located at the center of the insulation component 5;

[0113] Multiple arc-shaped frames 7 are arranged in a circular array inside the cylindrical space 703;

[0114] Multiple arc-shaped plug-in strips 701 are respectively disposed between each adjacent arc-shaped frame 7, and their two ends are respectively plugged into and connected to the adjacent arc-shaped frame 7;

[0115] The spring 702 is disposed inside the cylindrical space 703, and the outer end of the spring 702 is pressed into the arc-shaped frame 7 or the arc-shaped connector 701;

[0116] When the opening 501 opens and the internal insulation component 5 expands outward, the spring 702 pushes the arc-shaped insert strip 701 and the arc-shaped frame 7 outward, causing the circle formed by the arc-shaped insert strip 701 and the arc-shaped frame 7 to gradually expand outward, thereby further pushing the insulation component 5 inside the storage box 401 outward, so that the insulation component 5 can fully fill the interior of the vacuum side to realize the switching of insulation material insulation.

[0117] As an optional embodiment, the insulation replacement component further includes:

[0118] Multiple second springs 801 are fixed to the side wall of the storage box 401;

[0119] Multiple high-density boards 8 are respectively fixed to one end of the second spring 801 facing the heat-insulating inner cavity 103;

[0120] Multiple actuating plates 802 are fixed to the inner wall of the vacuum chamber 105 near one end of the heat-insulating inner cavity 103, and the ends are located on the moving path of the high-density plate 8.

[0121] When the storage box 401 moves toward the insulation cavity 103, the high-density board 8 on the insulation cavity 103 is agitated by the agitator 802, which causes the high-density board 8 to vibrate under the action of the second spring 801, thereby causing the storage box 401 to vibrate. This causes the insulation component 5 inside the storage box 401 to expand and fluff under the vibration, which promotes the fluffing of the compressed insulation component 5, thereby improving the insulation effect of the insulation component 5.

[0122] As an optional embodiment, the insulation component 5 specifically includes:

[0123] Insulation material is dispersed inside storage box 401;

[0124] The diamond-shaped card frame is designed in a diamond shape. When stored inside the storage box 401, the two sides of the diamond shape are pressed together by the insulation material, and the diamond-shaped card frame is evenly distributed inside the insulation material.

[0125] After the insulation component 5 is discharged, the diamond-shaped frame will gradually expand and recover after losing its compression. Since the diamond-shaped frame is evenly distributed inside the insulation material, it will cause the insulation material to fluff up and unfold under the expansion effect of the diamond-shaped frame, thereby improving the fluffiness of the insulation material and thus improving the insulation effect.

[0126] A prefabricated lightweight thermal insulation wall panel formula, comprising:

[0127] 60% wood flour;

[0128] PE 25%;

[0129] Compatibilizer (maleic anhydride-grafted PP) 3%;

[0130] The lubricant is 2%, specifically comprising: 1% Fischer-Tropsch wax, 0.6% zinc stearate, and 0.4% EBS;

[0131] 9% silica (fly ash);

[0132] Antioxidant 0.5%;

[0133] UV stabilizer 0.5%.

[0134] The working principle of this invention is as follows: The waterproof outer frame 1 and the waterproof outer panel 101 can be snapped together for assembly. The inner layer panel 102 is installed inside the waterproof outer frame 1 to achieve the assembly of the wall panel. The insulation layer 104 and vacuum chamber 105 inside the insulation cavity 103 set inside the inner layer panel 102 can achieve a double-layer insulation effect. The setting of the vacuum chamber 105 can effectively achieve insulation. The setting of the waterproof component allows water to be absorbed and blocked by the waterproof component, which helps to prevent water from entering the interior of the inner layer panel 102. This helps to prevent the insulation layer 104 inside the inner layer panel 102 from absorbing water and affecting the insulation effect, and also helps to prevent the vacuum chamber 105 from leaking after the inner layer panel 102 absorbs water. In the long-term use, the vacuum chamber 105 may inevitably leak. At this time, the insulation replacement component is automatically triggered, which can replace the vacuum insulation of the vacuum chamber 105 with insulation material insulation, thus helping to prevent the wall panel from completely losing its insulation effect after the vacuum insulation fails.

[0135] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention.

Claims

1. A prefabricated lightweight thermal insulation wall panel, comprising a waterproof outer frame (1), characterized in that, Also includes: A waterproof outer panel (101) is fixed to the top opening of the waterproof outer frame (1); The inner layer plate (102) is fixed inside the waterproof outer frame (1); The heat-insulating inner cavity (103) is formed inside the inner layer plate (102); The insulation layer (104) is fixed inside the insulation cavity (103); A vacuum chamber (105) is formed inside the inner layer plate (102); A waterproof component is installed at the joint between the waterproof outer frame (1) and the waterproof outer panel (101) to prevent water from entering the interior of the inner panel (102); The insulation replacement component is installed inside the vacuum chamber (105) and is used to automatically trigger the insulation replacement component to replace the vacuum insulation with insulation material when the vacuum chamber (105) leaks and causes insulation failure.

2. The prefabricated lightweight thermal insulation wall panel according to claim 1, characterized in that, The waterproof component includes: A waterproof membrane (2) is folded in half at the center and placed at the joint between the waterproof outer frame (1) and the waterproof outer panel (101); Two embedded ends (201) are respectively embedded and fixed in the grooves opened on the side walls of the waterproof outer frame (1) and the waterproof outer plate (101); The absorbent strip (202) is fixed at the center fold of the waterproof membrane (2).

3. The prefabricated lightweight thermal insulation wall panel according to claim 1, characterized in that, The vacuum chamber (105) also includes: Multiple partitions (3) are arranged in a grid pattern and fixed inside the vacuum chamber (105) to divide the interior of the vacuum chamber (105) into multiple independent vacuum spaces. Multiple heat insulation and replacement components are provided and installed inside each of the vacuum spaces respectively.

4. The prefabricated lightweight thermal insulation wall panel according to claim 3, characterized in that, The thermal insulation replacement component includes: A frame (4) is fixed to the inner side wall of the vacuum space; Storage box (401) is located inside the vacuum space. The side wall edge is provided with a slope on the side facing the frame (4), and the slope is fitted to the frame (4) to form a seal, so as to divide the vacuum space into a vacuum side and a high-pressure side. The first spring (402) is fixed inside the vacuum side, with one end fixedly connected to the inner wall of the vacuum space and the other end fixedly connected to the storage box (401), and is in a compressed state in the initial state; When a leak occurs on the vacuum side, the storage box (401) is ejected by the elastic force of the first spring (402), triggering the switching component to switch to the insulation material insulation state; The sealing strip (403) is fixed inside the inclined surface and is frame-shaped. A sealing groove (404) is provided on the frame (4) and is inserted and adapted to the sealing strip (403).

5. A prefabricated lightweight thermal insulation wall panel according to claim 4, characterized in that, The switching component includes: The inner cavity is located inside the storage box (401); Insulation component (5) is filled inside the cavity; Multiple openings (501) are provided on the side wall of the storage box (401) facing the vacuum side; Multiple sealing baffles (502) are respectively disposed inside each of the openings (501), and one end of the sealing baffle (502) facing the center of the vacuum space is fixedly connected to the edge of the opening (501); Multiple sealing plates (503) are fixed to the edges of each of the sealing baffles (502).

6. A prefabricated lightweight thermal insulation wall panel according to claim 5, characterized in that, The switching component also includes: Multiple supports (602) are fixed inside the vacuum side; Multiple support plates (6) are fixed to each of the brackets (602). In the initial state, the support plates (6) are attached to and aligned with the sealing baffle (502) to form a support. A rope (601) is fixed between the support plate (6) and the sealing baffle (502). In the initial state, the rope (601) is adhered to the support plate (6) by glue.

7. A prefabricated lightweight thermal insulation wall panel according to claim 5, characterized in that, The switching component also includes: A cylindrical space (703) is provided at the center of the insulation component (5); Multiple arc-shaped frames (7) are arranged in a circular array inside the cylindrical space (703); Multiple arc-shaped plug strips (701) are respectively disposed between each adjacent arc-shaped frame (7), and their two ends are respectively plugged into the adjacent arc-shaped frame (7); A spring (702) is disposed inside the cylindrical space (703), and the outer end of the spring (702) presses against the arc frame (7) or the arc plug strip (701).

8. A prefabricated lightweight thermal insulation wall panel according to claim 4, characterized in that, The thermal insulation replacement component also includes: Multiple second springs (801) are fixed to the side wall of the storage box (401); Multiple high-density boards (8) are respectively fixed to one end of the second spring (801) facing the heat-insulating inner cavity (103); Multiple actuating plates (802) are fixed to the inner wall of the vacuum chamber (105) near the end of the heat-insulating inner cavity (103), and the ends are located on the moving path of the high-density plate (8).

9. A prefabricated lightweight thermal insulation wall panel according to claim 5, characterized in that, The insulation component (5) specifically includes: Thermal insulation material is dispersed inside the storage box (401); The diamond-shaped card frame is arranged in a diamond shape. When stored inside the storage box (401), the two sides of the diamond shape are pressed together by the insulation material. The diamond-shaped card frame is evenly distributed inside the insulation material.

10. A prefabricated lightweight thermal insulation wall panel formulation for preparing the prefabricated lightweight thermal insulation wall panel according to any one of claims 1 to 9, characterized in that, include: 60% wood flour; PE 25%; Compatibilizer (maleic anhydride-grafted PP) 3%; The lubricant is 2%, specifically comprising: 1% Fischer-Tropsch wax, 0.6% zinc stearate, and 0.4% EBS; 9% silica (fly ash); Antioxidant 0.5%; UV stabilizer 0.5%.