CN114109092A - Intelligent digital audio-video exhibition hall - Google Patents
Intelligent digital audio-video exhibition hall Download PDFInfo
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- CN114109092A CN114109092A CN202111351232.8A CN202111351232A CN114109092A CN 114109092 A CN114109092 A CN 114109092A CN 202111351232 A CN202111351232 A CN 202111351232A CN 114109092 A CN114109092 A CN 114109092A
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- heat
- heat preservation
- wall body
- exhibition hall
- insulating layer
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- 238000004321 preservation Methods 0.000 claims abstract description 87
- 239000004567 concrete Substances 0.000 claims description 29
- 238000009413 insulation Methods 0.000 claims description 15
- 238000002955 isolation Methods 0.000 claims description 4
- 210000003205 muscle Anatomy 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 239000012774 insulation material Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000003628 erosive effect Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 69
- 239000011449 brick Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
- E04H3/06—Museums; Library buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
The invention discloses an intelligent digital audio-visual exhibition hall, which comprises: exhibition room crossbeam, the fixed exhibition room heel post that is provided with in bottom of exhibition room crossbeam, and the bottom left side of exhibition room crossbeam is left wall body, and the bottom right side of exhibition room crossbeam is right wall body simultaneously, and the front end of exhibition room crossbeam is provided with the front window wall, and the rear end of exhibition room crossbeam is provided with the back window wall. This audio-visual exhibition hall of intelligence digit, the inside of right wall body, left wall body, front window wall and back window wall all is inlayed and is had the heat preservation core of pressing from both sides, has good heat preservation effect, presss from both sides the core setting with the heat preservation simultaneously in the inside of wall body, and the heat preservation core can not receive the erosion of rainwater, presss from both sides the result of use of core with the heat preservation, avoids directly pasting insulation material on outer wall body simultaneously, when the wall body meets water, causes the condition that insulation material drops to take place easily.
Description
Technical Field
The invention relates to the field of exhibition halls, in particular to an intelligent digital audio-video exhibition hall.
Background
With the development of science and technology, multimedia digital audio/video playing systems are widely applied to museums, multimedia showing halls of exhibition halls, audio/video exhibition halls and multifunctional halls; the exhibition hall is used as a public building for displaying temporary showpiece; dividing the exhibition into a comprehensive exhibition hall and a professional exhibition hall according to the displayed content; the professional exhibition hall can be divided into different types of exhibition halls of industry, agriculture, trade, traffic, scientific technology, cultural art and the like.
The outer wall body material of exhibition hall mainly still is with soil baked brick, cement brick, air entrainment piece brick and coal ash brick as the main, has proposed higher requirement to the function of building material wall body now, needs it to have good thermal-insulated effect of heat preservation, generally adopts directly to paste insulation material on outer wall body, when using, when the wall body meets water, causes insulation material to drop easily, has not only made the building lose the heat preservation effect, has also had huge potential safety hazard.
Disclosure of Invention
The invention aims to provide an intelligent digital audio-visual exhibition hall, which aims to overcome the defects in the background technology.
In order to realize the above-mentioned purpose, provide an intelligence digital audio-visual exhibition hall, include:
the exhibition hall beam is fixedly provided with an exhibition hall bearing column at the bottom, the left side of the bottom of the exhibition hall beam is a left wall body, the right side of the bottom of the exhibition hall beam is a right wall body, the front end of the exhibition hall beam is provided with a front window wall, and the rear end of the exhibition hall beam is provided with a rear window wall;
the internal structures of the right wall body, the left wall body, the front window wall and the rear window wall are consistent, and heat-insulating sandwich cores are arranged inside the right wall body, the left wall body, the front window wall and the rear window wall.
Preferably, exhibition room crossbeam, exhibition room heel post, left wall body, right wall body, front window wall and back window wall are in the same place and are constituteed exhibition room's whole frame, and the inside heat preservation of left wall body, right wall body, front window wall and back window wall presss from both sides the whole heat preservation system that the core constitutes exhibition room.
Preferably, the right wall body and the left wall body are of a symmetrical structure about the cross beam of the exhibition hall, and the right wall body comprises an indoor wall plate, a leveling layer, a heat preservation net, a concrete structure layer, a heat preservation sandwich, a concrete structure layer and an outdoor wall plate.
Preferably, the indoor wall plate, the leveling layer, the heat-insulating net, the concrete structure layer, the heat-insulating sandwich, the concrete structure layer and the outdoor wall plate are sequentially arranged in a layered manner from top to bottom, and the heat-insulating sandwich is clamped between the concrete structure layer and the concrete structure layer.
Preferably, the surface of concrete structure layer covers there is the heat preservation net, and the surface coating of heat preservation net has the one deck screed-coat, and the surface of screed-coat is provided with indoor wallboard simultaneously, and the lower fixed surface of concrete structure layer is provided with the outdoor wallboard of one deck.
Preferably, the heat-insulating sandwich comprises an outer insulating sheath, a fixing keel frame, fixing ribs, a lower heat-insulating layer, lower slots, a middle heat-insulating layer, lower fixing strips, upper fixing strips, an upper heat-insulating layer and upper slots.
Preferably, the outer isolation sheath wraps up in the outside of fixed keel frame, and fixed keel frame sets up to two sets of distributions and installs in the both sides of heat preservation, well heat preservation and last heat preservation down, and fixed keel frame passes through the fixed setting of tip of fixed muscle and three heat preservation of group, and the section of fixed keel frame is "U" shape setting.
Preferably, the lower heat-insulating layer, the middle heat-insulating layer and the upper heat-insulating layer are sequentially arranged in a layered manner from top to bottom, and the lower heat-insulating layer, the middle heat-insulating layer and the upper heat-insulating layer are spliced and fixed through uniformly distributed fixing ribs.
Preferably, the surface of the lower heat-insulating layer is uniformly provided with a plurality of groups of lower grooves, the lower grooves are matched with the lower fixing strips in size, and the lower fixing strips are inserted into the lower grooves.
Preferably, the lower fixing strips are uniformly arranged into a plurality of groups on the bottom surface of the middle heat-insulating layer, a plurality of groups of upper fixing strips are uniformly arranged on the upper surface of the middle heat-insulating layer, the upper fixing strips are matched with the upper grooves in size, the upper fixing strips are inserted into the upper grooves, and the sections of the upper grooves, the lower grooves, the upper fixing strips and the lower fixing strips are all arranged in a dovetail shape.
Compared with the prior art, the invention has the beneficial effects that: the inside of right wall body, left wall body, front window wall and back window wall all is inlayed and is had the heat preservation core of pressing from both sides, has good heat preservation effect, presss from both sides the core setting with keeping warm in the inside of wall body simultaneously, and the heat preservation core of pressing from both sides can not receive the erosion of rainwater, presss from both sides the result of use of heat preservation core, avoids directly pasting insulation material on outer wall body simultaneously, when the wall body meets water, causes the condition that insulation material drops to take place easily.
Drawings
FIG. 1 is a diagram of an exhibition hall configuration;
FIG. 2 is a schematic cross-sectional view of the right wall of the present invention;
FIG. 3 is a schematic view of the thermal insulation sandwich of the present invention;
FIG. 4 is a top view of the present invention in FIG. 3;
FIG. 5 is a three-dimensional view of the invention as set forth in FIG. 3;
FIG. 6 is a schematic view of the structural insulating layer of the present invention;
FIG. 7 is a schematic view of a thermal insulating layer in the structure of the present invention;
FIG. 8 is a schematic view of a lower insulation layer of the present invention;
fig. 9 is a schematic view of the assembly of fig. 6, fig. 7 and fig. 8 according to the present invention.
Reference numbers in the figures: 1. a exhibition hall beam; 2. exhibition hall heel posts; 3. a left wall; 4. a right wall body; 41. an indoor wall panel; 42. leveling layer; 43. a heat-preserving net; 44. a concrete structural layer; 45. heat preservation sandwich; 450. an outer isolation sheath; 451. fixing the keel frame; 452. fixing the ribs; 453. a lower insulating layer; 454. lower grooving; 455. a middle heat-insulating layer; 456. fixing the strips; 457. fixing the strips; 458. an upper heat-insulating layer; 459. an upper groove is formed; 46. a concrete structural layer; 47. an outdoor wall panel; 5. a front window wall; 6. and a rear window wall.
Detailed Description
The invention is further illustrated with reference to the following figures and examples:
example 1: referring to fig. 1-9, the present invention provides an intelligent digital video exhibition hall, comprising: a cross beam 1 and a right wall 4 of the exhibition hall;
the bottom of the exhibition hall crossbeam 1 is fixedly provided with an exhibition hall bearing column 2, the left side of the bottom of the exhibition hall crossbeam 1 is a left wall body 3, the right side of the bottom of the exhibition hall crossbeam 1 is a right wall body 4, the front end of the exhibition hall crossbeam 1 is provided with a front window wall 5, and the rear end of the exhibition hall crossbeam 1 is provided with a rear window wall 6;
the inner structures of the right wall body 4, the left wall body 3, the front window wall 5 and the rear window wall 6 are consistent, and heat preservation sandwich cores 45 are arranged inside the right wall body 4, the left wall body 3, the front window wall 5 and the rear window wall 6.
As a preferred embodiment, the exhibition hall beam 1, the exhibition hall heel post 2, the left wall body 3, the right wall body 4, the front window wall 5 and the rear window wall 6 are combined together to form an integral framework of the exhibition hall, and the heat preservation sandwich 45 inside the left wall body 3, the right wall body 4, the front window wall 5 and the rear window wall 6 forms an integral heat preservation system of the exhibition hall.
As shown in fig. 2: the heat preservation sandwich 45 is embedded in the right wall body 4, and the mode of directly sticking heat preservation materials on the outer wall of the wall body is cancelled, so that the heat preservation effect of the heat preservation sandwich 45 to the indoor is ensured.
In a preferred embodiment, the right wall 4 and the left wall 3 are symmetrical with respect to the cross beam 1 of the exhibition hall, and the right wall 4 includes an indoor wall panel 41, a leveling layer 42, a heat insulation net 43, a concrete structure layer 44, a heat insulation sandwich 45, a concrete structure layer 46 and an outdoor wall panel 47.
In a preferred embodiment, the indoor wall panel 41, the leveling layer 42, the insulation net 43, the concrete structure layer 44, the insulation core 45, the concrete structure layer 46 and the outdoor wall panel 47 are sequentially layered from top to bottom, and the insulation core 45 is sandwiched between the concrete structure layer 44 and the concrete structure layer 46.
As shown in fig. 2: the thermal insulation sandwich core 45 is clamped between the concrete structure layer 44 and the concrete structure layer 46, so that most of outdoor temperature can be blocked, and indoor temperature can be prevented from being diffused to the outside through the wall body in a large amount.
In a preferred embodiment, the surface of the concrete structure layer 44 is covered with the heat preservation net 43, and the surface of the heat preservation net 43 is coated with a leveling layer 42, and the surface of the leveling layer 42 is provided with an indoor wall plate 41, and the lower surface of the concrete structure layer 46 is fixedly provided with an outdoor wall plate 47.
As shown in fig. 2: the surface of the concrete structure layer 44 is covered with the heat insulation net 43, and the heat insulation net 43 can also play a role in heat insulation for the wall body.
In a preferred embodiment, the insulating core 45 comprises an outer insulating sheath 450, a fixing keel frame 451, fixing ribs 452, a lower insulating layer 453, a lower groove 454, an intermediate insulating layer 455, a lower fixing strip 456, an upper fixing strip 457, an upper insulating layer 458, and an upper groove 459.
The heat preservation sandwich 45 mainly comprises a lower heat preservation layer 453, a middle heat preservation layer 455 and an upper heat preservation layer 458, wherein the lower heat preservation layer 453, the middle heat preservation layer 455 and the upper heat preservation layer 458 are arranged in a layered mode and combined together, and the heat preservation effect of the sandwich is far greater than that of a single-layer heat preservation layer.
In a preferred embodiment, the outer isolation sheath 450 is wrapped around the fixed keel frame 451, the fixed keel frame 451 is arranged in two groups distributed on two sides of the lower insulating layer 453, the middle insulating layer 455 and the upper insulating layer 458, the fixed keel frame 451 is fixedly arranged with the ends of the three groups of insulating layers by the fixing ribs 452, and the section of the fixed keel frame 451 is in a "U" shape.
As shown in fig. 2-5: lower heat preservation 453, well heat preservation 455 and last heat preservation 458 splice together, and its left end is fixed through its left fixed keel frame 451, and its right-hand member is fixed through its right fixed keel frame 451, guarantees heat preservation 453, well heat preservation 455 and the stability of last heat preservation 458 after the combination concatenation down, also can avoid three groups of heat preservation after the concatenation together simultaneously, and the perk takes place at its both ends.
In a preferred embodiment, the lower insulating layer 453, the middle insulating layer 455 and the upper insulating layer 458 are sequentially layered from top to bottom, and the lower insulating layer 453, the middle insulating layer 455 and the upper insulating layer 458 are fixed by uniformly distributed fixing ribs 452.
As shown in fig. 5: it is fixed that the concatenation is carried out through evenly distributed's fixed muscle 452 between heat preservation 453, well heat preservation 455 and the last heat preservation 458 down, and fixed muscle 452 evenly sets up to run through fixedly to three heat preservation of group in groups, guarantees that three heat preservation of group are splicing the back, can not produce the space between the adjacent two sets of heat preservation.
As a preferred embodiment, a plurality of sets of lower slots 454 are uniformly formed on the surface of the lower insulating layer 453, the lower slots 454 are matched with the lower fixing strips 456 in size, and the lower fixing strips 456 are inserted into the lower slots 454.
As a preferred embodiment, the lower fixing strips 456 are uniformly arranged in multiple groups on the bottom surface of the middle thermal insulation layer 455, and multiple groups of upper fixing strips 457 are uniformly arranged on the upper surface of the middle thermal insulation layer 455, the upper fixing strips 457 are matched with the upper slots 459 in size, the upper fixing strips 457 are inserted into the upper slots 459, and the cross sections of the upper slots 459, the lower slots 454, the upper fixing strips 457 and the lower fixing strips 456 are all arranged in a dovetail shape.
As shown in fig. 6-9: lower heat preservation 453, well heat preservation 455 and go up and assemble through solid strip and fluting between the heat preservation 458, gu the strip sets up with the fluting, and the area of contact between multiplicable heat preservation and the heat preservation improves the stability after the concatenation between heat preservation and the heat preservation for can not take place horizontal dislocation between heat preservation and the heat preservation.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (10)
1. The utility model provides an intelligence digital audio-visual exhibition hall which characterized in that includes:
the exhibition hall beam is fixedly provided with an exhibition hall bearing column at the bottom, the left side of the bottom of the exhibition hall beam is a left wall body, the right side of the bottom of the exhibition hall beam is a right wall body, the front end of the exhibition hall beam is provided with a front window wall, and the rear end of the exhibition hall beam is provided with a rear window wall;
the internal structures of the right wall body, the left wall body, the front window wall and the rear window wall are consistent, and heat-insulating sandwich cores are arranged inside the right wall body, the left wall body, the front window wall and the rear window wall.
2. The intelligent digital video exhibition hall of claim 1, wherein: exhibition room crossbeam, exhibition room heel post, left wall body, right wall body, front window wall and back window wall are combined together and are constituted exhibition room's whole frame, and the inside heat preservation of left wall body, right wall body, front window wall and back window wall presss from both sides the whole heat preservation system that the core constitutes exhibition room.
3. The intelligent digital video exhibition hall of claim 1, wherein: the right wall body and the left wall body are of a symmetrical structure relative to the cross beam of the exhibition hall, and the right wall body comprises an indoor wall plate, a leveling layer, a heat-preservation net, a concrete structure layer, a heat-preservation sandwich, a concrete structure layer and an outdoor wall plate.
4. The intelligent digital video exhibition hall of claim 3, wherein: the indoor wall board, the leveling layer, the heat preservation net, the concrete structure layer, the heat preservation sandwich, the concrete structure layer and the outdoor wall board are sequentially arranged in a layered mode from top to bottom, and the heat preservation sandwich is clamped between the concrete structure layer and the concrete structure layer.
5. The intelligent digital video exhibition hall of claim 4, wherein: the surface covering of concrete structure layer has the heat preservation net, and the surface coating of heat preservation net has the one deck screed-coat, and the surface of screed-coat is provided with indoor wallboard simultaneously, and the lower fixed surface of concrete structure layer is provided with the outdoor wallboard of one deck.
6. The intelligent digital video exhibition hall of claim 4, wherein: the heat-insulating sandwich comprises an outer insulating sheath, a fixed keel frame, fixed ribs, a lower heat-insulating layer, lower slots, a middle heat-insulating layer, lower fixing strips, upper fixing strips, an upper heat-insulating layer and upper slots.
7. The intelligent digital video exhibition hall of claim 6, wherein: the outer isolation sheath wraps up in the outside of fixed keel frame, and fixed keel frame sets up to two sets of distributions and installs the both sides at heat preservation, well heat preservation and last heat preservation down, and fixed keel frame passes through the fixed setting of tip of fixed muscle and three heat preservation of group, and the section of fixed keel frame is "U" shape setting.
8. The intelligent digital video exhibition hall of claim 7, wherein: the lower heat-insulating layer, the middle heat-insulating layer and the upper heat-insulating layer are sequentially arranged in a layered manner from top to bottom, and the lower heat-insulating layer, the middle heat-insulating layer and the upper heat-insulating layer are spliced and fixed through uniformly distributed fixing ribs.
9. The intelligent digital video exhibition hall of claim 8, wherein: the surface of the lower heat-insulating layer is uniformly provided with a plurality of groups of lower grooves, the lower grooves are matched with the sizes of the lower fixing strips, and the lower fixing strips are inserted in the lower grooves.
10. The intelligent digital video exhibition hall of claim 9, wherein: the lower fixing strips are uniformly arranged on the bottom surface of the middle heat-insulation layer in multiple groups, the upper surface of the middle heat-insulation layer is uniformly provided with multiple groups of upper fixing strips, the upper fixing strips are matched with the upper grooves in size, the upper fixing strips are inserted into the upper grooves, and the sections of the upper grooves, the lower grooves, the upper fixing strips and the lower fixing strips are all arranged in a dovetail shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111351232.8A CN114109092A (en) | 2021-11-16 | 2021-11-16 | Intelligent digital audio-video exhibition hall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111351232.8A CN114109092A (en) | 2021-11-16 | 2021-11-16 | Intelligent digital audio-video exhibition hall |
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| Publication Number | Publication Date |
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| CN114109092A true CN114109092A (en) | 2022-03-01 |
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| CN202111351232.8A Pending CN114109092A (en) | 2021-11-16 | 2021-11-16 | Intelligent digital audio-video exhibition hall |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906830A (en) * | 2009-06-03 | 2010-12-08 | 叶万隆 | Fiber concrete composite heat insulation wall and preparation method thereof |
| CN102418388A (en) * | 2011-10-08 | 2012-04-18 | 苏州魔卡童创意设计有限公司 | Child entertainment house |
| US20130118096A1 (en) * | 2011-11-15 | 2013-05-16 | William Vollis Lack, JR. | Cell front panel system |
| CN103821238A (en) * | 2014-01-17 | 2014-05-28 | 东莞市澳星通信设备有限公司 | Heat-insulating color steel plate |
| CN205421533U (en) * | 2016-03-09 | 2016-08-03 | 湖南工学院 | Building energy conservation house framework |
| CN105952054A (en) * | 2016-05-10 | 2016-09-21 | 北京建筑大学 | Composite wallboard |
| CN110409643A (en) * | 2019-08-03 | 2019-11-05 | 宛兴怀 | A kind of sandwich thermal insulated composite plate of assembled integral |
| CN211817371U (en) * | 2019-12-24 | 2020-10-30 | 王伟 | Double-sided cast-in-situ heat-insulation sandwich board with steel wire mesh frame |
| CN214614998U (en) * | 2021-02-24 | 2021-11-05 | 北京九煜节能环保科技有限公司 | Light concrete sandwich external wall panel |
-
2021
- 2021-11-16 CN CN202111351232.8A patent/CN114109092A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906830A (en) * | 2009-06-03 | 2010-12-08 | 叶万隆 | Fiber concrete composite heat insulation wall and preparation method thereof |
| CN102418388A (en) * | 2011-10-08 | 2012-04-18 | 苏州魔卡童创意设计有限公司 | Child entertainment house |
| US20130118096A1 (en) * | 2011-11-15 | 2013-05-16 | William Vollis Lack, JR. | Cell front panel system |
| CN103821238A (en) * | 2014-01-17 | 2014-05-28 | 东莞市澳星通信设备有限公司 | Heat-insulating color steel plate |
| CN205421533U (en) * | 2016-03-09 | 2016-08-03 | 湖南工学院 | Building energy conservation house framework |
| CN105952054A (en) * | 2016-05-10 | 2016-09-21 | 北京建筑大学 | Composite wallboard |
| CN110409643A (en) * | 2019-08-03 | 2019-11-05 | 宛兴怀 | A kind of sandwich thermal insulated composite plate of assembled integral |
| CN211817371U (en) * | 2019-12-24 | 2020-10-30 | 王伟 | Double-sided cast-in-situ heat-insulation sandwich board with steel wire mesh frame |
| CN214614998U (en) * | 2021-02-24 | 2021-11-05 | 北京九煜节能环保科技有限公司 | Light concrete sandwich external wall panel |
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Application publication date: 20220301 |