CN111075255A - Heat preservation air film structure - Google Patents
Heat preservation air film structure Download PDFInfo
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- CN111075255A CN111075255A CN201911425435.XA CN201911425435A CN111075255A CN 111075255 A CN111075255 A CN 111075255A CN 201911425435 A CN201911425435 A CN 201911425435A CN 111075255 A CN111075255 A CN 111075255A
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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
- E04H15/00—Tents or canopies, in general
- E04H15/02—Tents combined or specially associated with other devices
- E04H15/10—Heating, lighting or ventilating
- E04H15/14—Ventilating
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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
- E04H15/00—Tents or canopies, in general
- E04H15/20—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure
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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
- E04H15/00—Tents or canopies, in general
- E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
- E04H15/54—Covers of tents or canopies
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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
- E04H15/00—Tents or canopies, in general
- E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
- E04H15/56—Floors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
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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
- E04H15/00—Tents or canopies, in general
- E04H15/20—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure
- E04H2015/201—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure with inflatable tubular framework, with or without tent cover
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- Architecture (AREA)
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Thermal Insulation (AREA)
Abstract
The invention provides a heat-insulating air film structure. The heat preservation air film structure includes: the air film cavity comprises a first area and a second area, and the temperature of the first area is lower than that of the second area; the heat insulation film layer is arranged in the air interlayer between the inner film layer and the outer film layer; the cold air system is used for sending cold air to the first area so as to maintain the temperature of the first area; and the ventilation system provides ventilation air exchange for the second area. The invention solves the problem of poor heat preservation effect of the air film structure in the prior art.
Description
Technical Field
The invention relates to the technical field of air film building equipment, in particular to a heat-preservation air film structure.
Background
At present, each outer membrane of an air membrane structure is welded with a lap joint of 5cm, after a heat insulation membrane layer is installed, the position of the lap joint cannot be filled with heat insulation to form a cold bridge, in winter, outdoor temperature is low, indoor temperature is high, and condensate water can be formed at the cold bridge position formed by the lap joint. The use impression that influences the user in the condensation water droplet falls the place, and whole air film has a lot of lap joints, and the heat preservation effect is relatively poor.
That is to say, the air film structure among the prior art has the relatively poor problem of heat preservation effect.
Disclosure of Invention
The invention mainly aims to provide a heat-insulation air film structure to solve the problem that the air film structure in the prior art is poor in heat-insulation effect.
In order to achieve the above object, according to one aspect of the present invention, there is provided an insulating air film structure comprising: the air film cavity comprises a first area and a second area, and the temperature of the first area is lower than that of the second area; the heat insulation film layer is arranged in the air interlayer between the inner film layer and the outer film layer; the cold air system is used for sending cold air to the first area so as to maintain the temperature of the first area; and the ventilation system provides ventilation air exchange for the second area.
Furthermore, the heat preservation air film structure also comprises a heat preservation film layer, and the heat preservation film layer covers the outer surface of the inner film layer and/or the inner surface of the outer film layer.
Further, the ventilation system is also in communication with the air barrier to supply air to the air barrier.
Further, the air barrier is in communication with the second region such that air provided by the ventilation system circulates between the air barrier and the second region; or the outer film layer is provided with an air outlet which is communicated with the air interlayer so as to discharge the air in the air interlayer.
Further, the heat preservation air film structure also comprises a supporting structure, and the supporting structure is used for supporting the outer film layer to form the air isolation layer.
Further, the support structure is at least one of a gas-ribbed tube, a steel cable, and a steel tube.
Furthermore, the heat preservation air film structure is provided with a baffle plate, the baffle plate is installed on the ground and located in the air film cavity, and the baffle plate encloses a first area.
Further, the cold air system comprises a cold air supply system and an air return system, wherein the cold air supply system supplies cold air to the first area to maintain the temperature in the first area, and the air return system returns the air in the first area to the cold air supply system to complete air circulation in the first area.
Further, an air supply duct of the cold air supply system extends upwards from the ground of the first area to form side air supply; and/or the baffle is of a hollow structure, an air supply duct of the cold air supply system extends into the hollow structure, and the inner side wall of the baffle is provided with an air outlet so as to form side air supply.
Further, the heat preservation air film structure also comprises a heat insulation layer, and the heat insulation layer is arranged on the ground of the first area to insulate the temperature difference of the ground.
According to the technical scheme, the heat-insulation air film structure comprises an air film body, a heat-insulation film layer, a cold air system and a ventilation system, an air film cavity is formed between the air film body and the ground, the air film body comprises an inner film layer and an outer film layer positioned on the outer side of the inner film layer, an air interlayer is formed between the inner film layer and the outer film layer, the air film cavity comprises a first area and a second area, and the temperature of the first area is lower than that of the second area; the heat insulation film layer is arranged in the air interlayer between the inner film layer and the outer film layer; the cold air system is used for sending cold air to the first area so as to maintain the temperature of the first area; the ventilation system provides ventilation to the second area.
Through set up the air interlayer between rete and the rete can reduce the gas outside the rete and the interior gas exchange between the gas in the gaseous cavity of gas film, and then increased the heat preservation effect of gas film body. The setting of heat preservation rete is in the air interlayer, and the heat preservation rete can keep warm to the gas in the air film cavity, reduces the outside air of air film body and the gas in the air film cavity and carries out the heat exchange. The arrangement of the air cooling system enables the temperature at the first area to be lower than the temperature at the second area, and the arrangement enables activities requiring a low-temperature environment to be performed in the first area. Separating the first zone from the second zone may reduce heat exchange between the first zone and the second zone to reduce the difficulty of maintaining the temperature of the first zone.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 shows a schematic overall structure of an insulating air film structure according to an alternative embodiment of the invention; and
fig. 2 is a schematic view showing the connection relationship between the heat-insulating film layer and the intima layer in fig. 1.
Wherein the figures include the following reference numerals:
10. a gas film body; 11. an inner membrane layer; 12. an outer film layer; 13. an air barrier layer; 20. a gas film cavity; 21. a first region; 22. a second region; 30. a heat preservation film layer; 40. a cold air system; 50. a ventilation system; 60. a baffle plate; 70. a thermal insulation layer; 80. a control system; 90. a connecting member; 100. and (7) welding parts.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In the present invention, unless specified to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like, generally refer to the orientation as shown in the drawings, or to the component itself in a vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.
The invention provides a heat-insulation air film structure, aiming at solving the problem of poor heat-insulation effect of the air film structure in the prior art.
As shown in fig. 1 to 2, the heat-insulating air film structure includes an air film body 10, a heat-insulating film layer 30, a cold air system 40 and a ventilation system 50, an air film cavity 20 is formed between the air film body 10 and the ground, the air film body 10 includes an inner film layer 11 and an outer film layer 12 located outside the inner film layer 11, an air barrier layer 13 is formed between the inner film layer 11 and the outer film layer 12, the air film cavity 20 includes a first region 21 and a second region 22, and the temperature of the first region 21 is lower than that of the second region 22; the heat insulation film layer 30 is arranged in the air interlayer 13 between the inner film layer 11 and the outer film layer 12; the cold air system 40 sends cold air to the first area 21 to maintain the temperature of the first area 21; the ventilation system 50 provides ventilation to the second area 22.
The air interlayer 13 is arranged between the inner film layer 11 and the outer film layer 12, so that heat exchange between the air outside the outer film layer 12 and the air in the inner air film cavity 20 can be reduced, and the heat insulation effect of the air film body 10 is further improved. The arrangement of heat preservation rete 30 is in air interlayer 13, and heat preservation rete 30 can keep warm to the gas in the air film cavity 20, reduces the outside air of air film body 10 and the gas in the air film cavity 20 and carries out the heat exchange. The air-cooling system 40 is configured such that the temperature at the first area 21 is lower than the temperature of the second area 22, and is configured such that some activities requiring a low temperature environment can be performed in the first area 21. Separating the first zone 21 from the second zone 22 makes it possible to reduce the heat exchange between the first zone 21 and the second zone 22 to reduce the difficulty of maintaining the temperature of the first zone 21.
As shown in FIG. 1, the heat-insulating air film structure further comprises a heat-insulating film layer 30, and the heat-insulating film layer 30 covers the outer surface of the inner film layer 11. The heat preservation membranous layer 30 continuously covers the outer surface of the whole inner membranous layer 11, so that no cold bridge exists at the position of the inner membranous layer 11, no condensed water is generated, the stability of the internal environment of the air film cavity 20 is improved, the heat preservation membranous layer 30 can also insulate heat for the whole inner membranous layer 11, and the heat preservation performance of the air film body 10 is greatly improved.
Of course, the insulating film layer 30 may be continuously coated on the entire inner surface of the outer film layer 12, and the insulating performance of the air film body 10 may also be increased.
The two heat-insulating film layers 30, one continuously covering the entire outer surface of the inner film layer 11 and the other continuously covering the entire inner surface of the outer film layer 12, provide better heat-insulating effect than the inner film layer 11 or the outer film layer 12 alone, but are more complicated in process.
As shown in fig. 2, the insulation film layer 30 is welded to the outer surface of the inner film layer 11 or to the inner surface of the outer film layer 12, and when the insulation film layer 30 is welded, it is first connected to the inner film layer 11 or the outer film layer 12 by a connecting member 90, and the insulation film layer 30 is welded to the inner film layer 11 or the outer film layer 12 by a welding member 100.
Optionally, the insulating film layer 30 is insulating cotton. The heat-insulating film layer 30 has a non-hygroscopic property, and can further improve the heat-insulating effect.
In the heat preservation air film structure in this application, the thickness of heat preservation rete 30 can increase, only need guarantee the atmospheric pressure in the air film cavity 20 can support air film body 10 and heat preservation rete 30 can, can increase the thickness of heat preservation rete 30 like this according to the user demand of heat preservation air film structure, greatly increased the commonality and the convenience of using of heat preservation air film structure.
Example one
In this embodiment, the ventilation system 50 is also in communication with the air barrier 13 to supply air to the air barrier 13. Ventilation system 50 is through providing gas in to air interlayer 13 to make the pressure of air interlayer 13 department be greater than outside atmospheric pressure, so that adventitia layer 12 shaping, make adventitia layer 12 have certain intensity can resist external wind and snow weather, make the interlayer of air interlayer 13 department reach thickest simultaneously, and then make air film body 10 have better heat preservation effect.
In this embodiment, the air barrier 13 is in communication with the second region 22 such that air provided by the ventilation system 50 is circulated through the air barrier 13 and the second region 22. The arrangement is such that the ventilation system 50 circulates air at the second region 22 and the air barrier 13 with less effect on the air at the first region 21. The ventilation system 50 provides air to the second region 22, so that the pressure of the air film cavity 20 is greater than the external atmospheric pressure, so as to support the air film body 10 and the heat insulation film layer 30 and prevent the air film body 10 from collapsing.
As shown in fig. 1, the thermal insulation air film structure further includes a baffle 60, the baffle 60 is installed on the ground and located in the air film cavity 20, and the baffle 60 encloses the first area 21. The provision of the baffle 60 reduces the flow of gas at the first region 21 and the second region 22, reducing heat exchange between the gases, and thereby facilitating maintenance of the temperature at the first region 21. The baffle 60 separates the first region 21 from the second region 22, so that the cold air system 40 can cool the first region 21 alone, and the whole region in the air film cavity 20 does not need to be cooled, thereby greatly reducing the energy waste.
In the embodiment, the cold air system 40 includes a cold air supply system for supplying cold air to the first area 21 to maintain the temperature in the first area 21, and an air return system for returning the air in the first area 21 to the cold air supply system to complete the air circulation in the first area 21. The cold air supply system supplies cold air into the first area 21 to maintain a low temperature in the first area 21. The air return system returns the air in the first area 21 to the cold air supply system, and further processes the air to form cold air to be supplied to the first area 21. Because the first area 21 is a low-temperature environment, the temperature of the air in the first area 21 is also low, and the air in the first area 21 flows back to the cold air supply system for cooling rapidly, so that the waste of energy can be reduced.
In this embodiment, the second area 22 is an external viewing area, the temperature of the second area 22 should be more suitable for the body feeling of the viewer, and the temperature should not be too low, so that the ventilation system 50 may circulate air to the second area 22, and the temperature of the second area 22 does not need to be processed.
In the present embodiment, the interior of the air film cavity 20 may be a low temperature museum, such as penguin ice and snow museum, skating museum, etc.
Specifically, the air supply duct of the cool air supply system extends upward from the floor of the first area 21 to form side air supply. The air supply duct extends out of the ground and then bends, so that the air supply duct supplies air from the side direction of the first area 21, and the sent cold air is prevented from being directly blown to the surface of the first area 21. In addition, the arrangement avoids directly blowing to the human body, and the experience of the user is improved.
As shown in fig. 1, the insulating air film structure further includes an insulating layer 70, and the insulating layer 70 is disposed on the ground of the first area 21 to insulate the temperature difference of the ground. The provision of the insulating layer 70 prevents the first zone 21 from exchanging heat with the ground, thereby reducing the energy used to maintain the temperature at the first zone 21 and making it easier to maintain the temperature at the first zone 21.
Example two
The difference from the first embodiment is that the air barrier 13 is not in communication with the second region 22.
In this embodiment, the outer film 12 has an air outlet, and the air outlet is communicated with the air barrier 13, so that the air in the air barrier 13 is exhausted. The arrangement enables the air barrier layer 13 to perform independent air circulation, and the hot air at the air barrier layer 13 is directly discharged into the air, so that the influence of the hot air entering the air film cavity 20 on the temperature of the first area 21 is greatly reduced.
In this embodiment, the pressure of the gas in the gas film cavity 20 is greater than the pressure of the air at the air barrier layer 13, so that the pressure in the gas film cavity 20 can support the weight of the outer film layer 12 and the heat insulating film layer 30. This arrangement also avoids collapse of the inner membrane layer 11 under pressure from the ambient pressure. The pressure at the air interlayer 13 is greater than the external atmospheric pressure, so that the outer film layer 12 can be formed, and the external wind and snow weather can be resisted.
In this embodiment, the ventilation system 50 has two fresh air circulation systems, which are independent of each other and do not interfere with each other, one of the fresh air circulation systems provides air for the air barrier 13 to complete the exchange of air at the air barrier 13, and the other fresh air circulation system provides air for the second area 22 to complete the exchange of air at the second area 22.
In this embodiment, the heat-insulating air film structure further includes a control system 80, the control system 80 is electrically connected to the ventilation system 50 and the cool air system 40, and controls the working states of the ventilation system 50 and the cool air system 40, a first pressure sensor is installed in the air film cavity 20, a second pressure sensor is installed in the air barrier 13, the first pressure sensor and the second pressure sensor transmit the measured pressure values to the control system 80, the control system 80 controls the balance of the pressures at the air film cavity 20 and the air barrier 13, so that the pressure in the air film cavity 20 is greater than the pressure at the air barrier 13, and the pressure at the air barrier 13 is greater than the external atmospheric pressure.
EXAMPLE III
The difference from the first embodiment is that the outer membrane layer 12 is not supported by gas.
In this embodiment, the insulating air film structure further comprises a support structure for supporting the outer film layer 12 to form the air barrier layer 13. In this embodiment, the outer membrane layer 12 is supported by a support structure, rather than by gas. The support structure is arranged such that an air barrier layer 13 is formed between the outer film layer 12 and the inner film layer 11. Compared with the gas support, the support structure support is more stable, but the support structure is more complex to build, and the gas support is easier to build.
Optionally, the support structure is at least one of a gas-ribbed tube, a steel cable, and a steel tube.
Example four
Compared with the first embodiment, the side air supply mode of the cold air supply system is different.
In this embodiment, the baffle 60 is a hollow structure, the air duct of the cold air supply system extends into the hollow structure, and the inner side wall of the baffle 60 has an air outlet to form side air supply. The arrangement is such that the cold air is already soft after passing through the hollow structure and is not directly blown onto the human body, but is dispersed in the first region 21 in a dispersed manner. Adopt dispersed mode more to be favorable to reducing cold wind and directly blow to human people, reduce human discomfort, still reduce cold wind simultaneously and directly blow to the subaerial of first region 21.
It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An insulating gas film structure, comprising:
the air film comprises an air film body (10), an air film cavity (20) is formed between the air film body (10) and the ground, the air film body (10) comprises an inner film layer (11) and an outer film layer (12) located on the outer side of the inner film layer (11), an air interlayer (13) is formed between the inner film layer (11) and the outer film layer (12), the air film cavity (20) comprises a first area (21) and a second area (22), and the temperature of the first area (21) is lower than that of the second area (22);
the heat-insulation film layer (30), the heat-insulation film layer (30) is arranged in the air interlayer (13) between the inner film layer (11) and the outer film layer (12);
a cold air system (40), wherein the cold air system (40) is used for sending cold air to the first area (21) so as to maintain the temperature of the first area (21);
a ventilation system (50), the ventilation system (50) providing ventilation to the second region (22).
2. The insulating gas film structure according to claim 1, further comprising an insulating film layer (30), wherein the insulating film layer (30) covers the outer surface of the inner film layer (11) and/or the inner surface of the outer film layer (12).
3. The insulating air film structure according to claim 1, wherein the ventilation system (50) is also in communication with the air barrier (13) to supply air to the air barrier (13).
4. The insulating gas film structure according to claim 3,
the air barrier (13) being in communication with the second zone (22) so as to circulate the gas provided by the ventilation system (50) in the air barrier (13) and in the second zone (22); or
The outer film layer (12) is provided with an air outlet which is communicated with the air interlayer (13) so as to discharge the gas in the air interlayer (13).
5. The insulating air film structure according to claim 1, further comprising a support structure for supporting the inner film layer (11) to form the air barrier layer (13).
6. The insulating gas film structure of claim 5, wherein the support structure is at least one of a gas ribbed pipe, a steel cable, and a steel pipe.
7. The insulating gas film structure according to claim 1, characterized in that it further comprises a baffle (60), said baffle (60) being mounted on the ground and located in the gas film cavity (20), said baffle (60) enclosing said first area (21).
8. The insulating air film structure according to claim 7, wherein the air cooling system (40) comprises an air cooling system for cooling the first area (21) to maintain the temperature in the first area (21) and an air return system for returning air in the first area (21) to the air cooling system to complete the air circulation in the first area (21).
9. The insulating gas film structure according to claim 8,
an air supply duct of the cold air supply system extends upwards from the ground of the first area (21) to form side air supply; and/or
The baffle (60) is of a hollow structure, an air supply duct of the cold air supply system extends into the hollow structure, and an air outlet is formed in the inner side wall of the baffle (60) to form side air supply.
10. The insulating gas film structure according to any of claims 1 to 9, further comprising an insulating layer (70), the insulating layer (70) being provided on the ground of the first zone (21) to insulate the ground from temperature differences.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911425435.XA CN111075255A (en) | 2019-12-31 | 2019-12-31 | Heat preservation air film structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911425435.XA CN111075255A (en) | 2019-12-31 | 2019-12-31 | Heat preservation air film structure |
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| CN111075255A true CN111075255A (en) | 2020-04-28 |
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| CN201911425435.XA Pending CN111075255A (en) | 2019-12-31 | 2019-12-31 | Heat preservation air film structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113789988A (en) * | 2021-08-30 | 2021-12-14 | 东北电力大学 | A aerify membrane structure for construction of ice-crust view building and temperature regulation |
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|---|---|---|---|---|
| CN113789988A (en) * | 2021-08-30 | 2021-12-14 | 东北电力大学 | A aerify membrane structure for construction of ice-crust view building and temperature regulation |
| CN113789988B (en) * | 2021-08-30 | 2022-08-26 | 东北电力大学 | A aerify membrane structure for construction of ice-crust view building and temperature regulation |
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