阅读说明：本技术 一种新型通风屋面及集成建筑 (Novel ventilation roof and integrated building ) 是由 唐赛红 张恺 马明泉 陈露芳 吴少杰 朱晋辰 姚炳如 于 2019-12-17 设计创作，主要内容包括：本发明公开了一种新型通风屋面及集成建筑,包括辐射致冷薄膜、相变蓄能胶囊、变频风机、空气流道、外窗、墙体、保温挡板、屋面进风口、板材、房间。本发明通过辐射致冷薄膜将产生的冷量储存在相变蓄能胶囊,当房间需要通风降温时,周围空气通过屋面进风口进入空气流道与相变蓄能胶囊换热,在变频风机作用下,低温空气进入房间降温。充分利用自然冷源,可以降低能耗,节能减排。(The invention discloses a novel ventilation roof and an integrated building, which comprise a radiation refrigeration film, a phase change energy storage capsule, a variable frequency fan, an air flow channel, an external window, a wall body, a heat preservation baffle, a roof air inlet, a plate and a room. The invention stores the generated cold energy in the phase-change energy storage capsule through the radiation refrigeration film, when the room needs to be ventilated and cooled, the ambient air enters the air flow channel through the air inlet on the roof to exchange heat with the phase-change energy storage capsule, and the low-temperature air enters the room to be cooled under the action of the variable-frequency fan. The natural cold source is fully utilized, the energy consumption can be reduced, and the energy conservation and emission reduction can be realized.)

1. The utility model provides a novel ventilation roofing and integrated building which characterized in that:

the air conditioner comprises a first roof (1), a second roof (2), an external window (3), a variable frequency fan (4), a first air flow channel (5), a second air flow channel (6), a wall body (7), a room (8), a heat preservation baffle (12), a first roof air inlet (13) and a second roof air inlet (14);

the first roof (1) comprises: a radiation refrigeration film (9), a phase change energy storage capsule (10) and a plate (11);

the radiation refrigeration film (9) is placed on the upper surface of the plate (11) and is tightly connected with the upper surface of the plate (11), and the phase change energy storage capsule (10) is placed on the lower surface of the plate (11) and is tightly connected with the lower surface of the plate (11);

the first roof (1) is connected with the second roof (2) through a heat insulation baffle (12), a first air flow channel (5) and a second air flow channel (6) are arranged between the first roof (1) and the second roof (2), the second roof (2) is tightly connected with a wall body (7) of a room (8), and an outer window (3) is arranged on the wall body (7);

the top center position of second roofing (2) put and be equipped with the trompil, trompil department sets up frequency conversion fan (4).

2. A new ventilated roofing and integration structure according to claim 1, characterized in that said radiant cooling film (9) has an emissivity greater than 0.90 in the 8-13 μm band ("atmospheric window" band); meanwhile, the reflectivity in a wave band of 0.25-3 mu m (solar heat radiation wave band) is more than 0.90;

the radiation refrigeration film (9) can be one of a spectrum selective film of a metamaterial, a nanometer laser selective emission material or a radiation refrigeration coating or paint.

3. A new ventilated roof and integration building according to claim 1, wherein the height of said first air flow channel (5) and said second air flow channel (6) is not less than 0.1 m.

4. A novel ventilated roof and integrated building according to claim 1, wherein said phase change energy storage capsules (10) are uniformly installed on the lower surface of the plate (11);

the phase change material in the phase change energy storage capsule (10) can be paraffin, octadecane and other phase change materials.

5. A new type of ventilated roof and integration building according to claim 1, wherein said variable frequency fan (4) is capable of automatically adjusting the fan speed according to the indoor temperature.

6. A new ventilated roof and building assembly according to claim 1, wherein said sheet (11) is made of one of the high grade heat conductive metals such as aluminum, copper, titanium, iron, etc.

7. The novel ventilated roof and integrated building according to claim 1, comprising a cold accumulation mode and an aeration cooling mode, wherein the specific working conditions are as follows:

cold storage mode: when the room (8) does not need to supply cold, the variable frequency fan (4) is closed, the radiation refrigeration film (9) and the outer space perform radiation heat exchange at the moment, and the obtained cold energy is transmitted to the phase change energy storage capsule (10) through the plate (11) to be stored, so that cold storage is realized;

and (3) ventilating and cooling mode: when the room (8) needs to be ventilated and cooled, the variable frequency fan (4) is started, ambient air enters the first air flow channel (5) and the second air flow channel (6) through the first roof air inlet (13) and the second roof air inlet (14), when the air flows through the phase-change energy storage capsule (10), the ambient air exchanges heat with the phase-change energy storage capsule (10), the air temperature is reduced, low-temperature air enters the room (8) under the driving of the variable frequency fan (4), the room (8) is cooled, and air with higher temperature in the room (8) can be directly discharged outdoors through the outer window (3).

Technical Field

The invention belongs to the technical field of energy conservation of refrigeration and air conditioning equipment, and particularly relates to a novel ventilation roof and an integrated building.

Background

With the increase of negative effects of greenhouse effect, green buildings get more and more attention. The roof has higher heat gain as an important building enclosure, and the adoption of the ventilated roof can not only fully utilize natural resources, but also reduce the energy consumption of the building. The ventilation roof is provided with a ventilation interlayer for heat insulation, and the outer layer of the ventilation interlayer is used for shielding sunlight; roof arrangement by the action of wind pressure and hot pressing. Compared with the solid material heat insulation roof, the ventilated roof has the advantages of material saving, lightness, few material layers, simple structure, good rain and leakage prevention, economy, easy maintenance and the like.

At present, due to the limitation of materials, the heat insulation effect of a heat insulation board is poor, and the reflection degree of solar radiation is only about 35 percent; and the heat dissipation effect is relatively poor only through natural ventilation. In order to solve the problems, the chinese patent CN201191057Y utilizes the solar thermal pressure principle and forced draft by a fan, so that the accumulated hot air in the hot-pressing ventilation layer can be discharged in time, and the energy consumption for cooling the top building is reduced. The implementation method comprises the steps that a plurality of hot-pressing ventilation layers with air inlets at the bottoms are arranged on the roof structure base layer, air outlets are arranged in the hot-pressing ventilation layers, fans are arranged on the air outlets, and the fans take away a large amount of hot air to achieve ventilation cooling. Chinese patent CN208950189U provides a ventilated roof structure, which is implemented by adding reinforced concrete slabs, air layers, waterproof layers of coiled materials, aerated concrete slabs, reinforced concrete roof slabs and other structures on the traditional roof to improve the heat insulation performance of the roof, but the method has relatively complex structure and poor heat insulation effect.

Aiming at the defects, the invention discloses a novel ventilation roof and an integrated building, wherein the device stores the generated cold energy in a phase change energy storage capsule through a radiation refrigeration film to realize the cold storage function; when the room needs to be ventilated and cooled, ambient air enters the air flow channel through the roof air inlet to exchange heat with the phase change energy storage capsule, and low-temperature air enters the room to be cooled under the action of the variable frequency fan. The natural cold source is fully utilized, the energy consumption can be reduced, and the energy conservation and emission reduction can be realized.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the novel ventilated roof and the integrated building are provided, and the generated cold energy is stored in the phase change energy storage capsule through the radiation refrigeration film, so that the cold storage function is realized; when the room needs to be ventilated and cooled, ambient air enters the air flow channel through the roof air inlet to exchange heat with the phase change energy storage capsule, and low-temperature air enters the room to be cooled under the action of the variable frequency fan. The natural cold source is fully utilized, the energy consumption can be reduced, and the energy conservation and emission reduction can be realized.

In order to solve the technical problem, the embodiment of the invention adopts the following technical scheme:

a novel ventilation roof and an integrated building are disclosed, the system comprises a first roof (1), a second roof (2), an external window (3), a variable frequency fan (4), a first air flow channel (5), a second air flow channel (6), a wall body (7), a room (8), a heat preservation baffle (12), a first roof air inlet (13) and a second roof air inlet (14);

the first roof (1) comprises: a radiation refrigeration film (9), a phase change energy storage capsule (10) and a plate (11);

the radiation refrigeration film (9) is placed on the upper surface of the plate (11) and is tightly connected with the upper surface of the plate (11), and the phase change energy storage capsule (10) is placed on the lower surface of the plate (11) and is tightly connected with the lower surface of the plate (11);

the first roof (1) is connected with the second roof (2) through a heat insulation baffle (12), a first air flow channel (5) and a second air flow channel (6) are arranged between the first roof (1) and the second roof (2), the second roof (2) is tightly connected with a wall body (7) of a room (8), and an outer window (3) is arranged on the wall body (7);

the top center position of second roofing (2) put and be equipped with the trompil, trompil department sets up frequency conversion fan (4).

As a preferable example, the emissivity of the radiation refrigeration film in a wave band (an atmospheric window wave band) of 8-13 μm is more than 0.90; meanwhile, the reflectivity in a wave band of 0.25-3 mu m (solar heat radiation wave band) is more than 0.90;

the radiation refrigeration film can be a spectrum selective film of a metamaterial, a nanometer laser selective emission material or one of a radiation refrigeration coating or paint.

As a preferable example, the novel ventilated roof and integrated building is characterized in that the heights of the first air flow channel and the second air flow channel are not lower than 0.1 m.

As a preferred example, the novel ventilated roof and integrated building is characterized in that the phase change energy storage capsules are uniformly arranged on the lower surface of the plate;

the phase-change material in the phase-change energy storage capsule can be paraffin, n-octadecane and other phase-change materials.

As a preferred example, the frequency conversion fan can automatically adjust the rotating speed of the fan according to the indoor temperature.

Preferably, the plate material is one of high-grade heat-conducting metals such as aluminum, copper, titanium, iron and the like.

As a preferred example, the system mainly has the following two modes:

cold storage mode: when the room (8) does not need to supply cold, the variable frequency fan (4) is closed, the radiation refrigeration film (9) and the outer space perform radiation heat exchange at the moment, and the obtained cold energy is transmitted to the phase change energy storage capsule (10) through the plate (11) to be stored, so that cold storage is realized;

and (3) ventilating and cooling mode: when the room (8) needs to be ventilated and cooled, the variable frequency fan (4) is started, ambient air enters the first air flow channel (5) and the second air flow channel (6) through the first roof air inlet (13) and the second roof air inlet (14), when the air flows through the phase-change energy storage capsule (10), the ambient air exchanges heat with the phase-change energy storage capsule (10), the air temperature is reduced, low-temperature air enters the room (8) under the driving of the variable frequency fan (4), the room (8) is cooled, and air with higher temperature in the room (8) can be directly discharged outdoors through the outer window (3).

Compared with the prior art, the embodiment of the invention has the following beneficial effects: the generated cold energy is stored in the phase change energy storage capsule through the radiation refrigeration film, so that the cold storage function is realized; when the room needs to be ventilated and cooled, ambient air enters the air flow channel through the roof air inlet to exchange heat with the phase change energy storage capsule, and low-temperature air enters the room to be cooled under the action of the variable frequency fan. The natural cold source is fully utilized, the energy consumption can be reduced, and the energy conservation and emission reduction can be realized.

Drawings

FIG. 1 is a schematic view of a new ventilated roof and integrated building;

reference number designations in the drawings: 1. a first roof; 2. a second roof; 3. an outer window; 4. a variable frequency fan; 5. a first air flow passage; 6. a second air flow passage; 7. a wall body; 8. a room; 9. a radiation-cooled film; 10. a phase change energy storage capsule; 11. a plate material; 13. a first roof air inlet; 14. and a second roof air inlet.

FIG. 2 is a three-dimensional schematic of an integrated building of the present invention;

reference number designations in the drawings: 1. a first roof; 2. a second roof; 3. an outer window; 7. a wall body; 9. a radiation-cooled film; 10. a phase change energy storage capsule; 11. a plate material; 12. a heat preservation baffle.

FIG. 3 is a schematic view of a phase change energy storage capsule of the present invention;

reference number designations in the drawings: 1. a first roof; 2. a second roof; 10. a phase change energy storage capsule; 11. a plate material.

Detailed description of the invention

As shown in fig. 1, fig. 2 and fig. 3, the invention relates to a novel ventilated roof and integrated building, which comprises a first roof 1; 2. a second roof; 3. an outer window; 4. a variable frequency fan; 5. a first air flow passage; 6. a second air flow passage; 7. a wall body; 8. a room; 12. a heat preservation baffle plate; 13. a first roof air inlet; 14. a second roof air inlet;

the first roof comprises: 9. a radiation-cooled film; 10. a phase change energy storage capsule; 11. a plate material;

the radiation refrigeration film (9) is placed on the upper surface of the plate (11) and is tightly connected with the upper surface of the plate (11), and the phase change energy storage capsule (10) is placed on the lower surface of the plate (11) and is tightly connected with the lower surface of the plate (11);

the first roof (1) is connected with the second roof (2) through a heat insulation baffle (12), a first air flow channel (5) and a second air flow channel (6) are arranged between the first roof (1) and the second roof (2), the second roof (2) is tightly connected with a wall body (7) of a room (8), and an outer window (3) is arranged on the wall body (7);

the top center position of second roofing (2) put and be equipped with the trompil, trompil department sets up frequency conversion fan (4).

A radiation-cooled film having an emissivity greater than 0.90 in the 8-13 μm band (the "atmospheric window" band); meanwhile, the reflectivity in a wave band of 0.25-3 mu m (solar heat radiation wave band) is more than 0.90;

the radiation refrigeration film can be a spectrum selective film of a metamaterial, a nanometer laser selective emission material or one of radiation refrigeration coatings or paints.

The heights of the first air flow channel and the second air flow channel are not less than 0.1 m. And cold water in the water tank enters the heat exchanger under the action of the water pump to supercool the refrigerant in the heat exchanger.

The phase change energy storage capsules are uniformly arranged on the lower surface of the plate;

the phase-change material in the phase-change energy storage capsule can be paraffin, octadecane and other phase-change materials.

The frequency conversion fan can automatically adjust the rotating speed of the fan according to the indoor temperature.

The material of the plate can be one of high-grade heat-conducting metals such as aluminum, copper, titanium, iron and the like.

The invention has the following two modes:

cold storage mode: when the room (8) does not need to supply cold, the variable frequency fan (4) is closed, the radiation refrigeration film (9) and the outer space perform radiation heat exchange at the moment, and the obtained cold energy is transmitted to the phase change energy storage capsule (10) through the plate (11) to be stored, so that cold storage is realized;

and (3) ventilating and cooling mode: when the room (8) needs to be ventilated and cooled, the variable frequency fan (4) is started, ambient air enters the first air flow channel (5) and the second air flow channel (6) through the first roof air inlet (13) and the second roof air inlet (14), when the air flows through the phase-change energy storage capsule (10), the ambient air exchanges heat with the phase-change energy storage capsule (10), the air temperature is reduced, low-temperature air enters the room (8) under the driving of the variable frequency fan (4), the room (8) is cooled, and air with higher temperature in the room (8) can be directly discharged outdoors through the outer window (3).

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.