CN105821987A - Cellular convection ventilation exterior wall heat insulation device - Google Patents

Abstract

The invention discloses a honeycomb type convection ventilation external wall thermal insulation device, which relates to the technical field of thermal insulation walls. A honeycomb convection ventilation external wall thermal insulation device, including a prefabricated thermal insulation body installed on the base wall, a honeycomb convection ventilation thermal insulation module, an upper ventilation component and a lower ventilation component, and a prefabricated ventilation airflow channel is set in the prefabricated thermal insulation body. The ventilation assembly is located at the upper end of the honeycomb convection ventilation insulation module, the upper ventilation assembly is connected with the honeycomb convection ventilation insulation module, the lower ventilation assembly is located at the lower end of the honeycomb convection ventilation insulation module, and the lower ventilation assembly is connected with the honeycomb convection ventilation insulation module . The beneficial effects of the present invention are: it realizes the up and down through cavity convection thermal insulation wall, through the self-control thermal insulation closed valve, it takes into account the performance of ventilation and cooling in summer and thermal insulation in winter, honeycomb bionics design, firm structure, and Integrated construction of assembled standardized components.

Description

A honeycomb type convection ventilation external wall thermal insulation device

technical field

The invention relates to the technical field of thermal insulation walls, in particular to a honeycomb type convection ventilation external wall thermal insulation device.

Background technique

Actively promoting green buildings and building materials, vigorously developing prefabricated buildings, improving the standards and quality of construction projects, and improving the living environment have gradually become the focus of the construction industry. As an important part of the enclosure structure, the building exterior wall not only requires a certain structural strength, but also needs to have the function of thermal insulation to reduce the heat consumption of the enclosure structure and create a good indoor heat and humidity environment. Commonly used wall insulation mainly includes external wall internal insulation, sandwich insulation and external wall external insulation. External wall insulation has the advantages of good thermal performance, low comprehensive investment, strong construction suitability, and prolonging the life of building structures. It has become the main form of wall insulation in my country and the development direction of energy-saving building insulation walls. Commonly used external thermal insulation technologies for external walls include: hanging external thermal insulation, polystyrene board and wall one-time pouring external thermal insulation, polystyrene particle thermal insulation slurry external thermal insulation, etc. With the continuous development of thermal insulation technology, ventilation and convection thermal insulation walls have been generally recognized by the industry. There are many problems in existing building insulation devices:

(1) Traditional thermal insulation methods such as on-site foaming and pouring are limited by the technical level of the construction personnel, construction site conditions and climate environment, and are prone to thermal defects such as local thermal bridges and condensation, resulting in swelling, leakage, cracking, Phenomena such as shedding are common and affect the life of the building structure.

(2) Common ventilation and convection walls have a certain performance of ventilation and cooling in summer and thermal insulation in winter, but they cannot adjust the weather resistance of reasonable ventilation and thermal insulation functions according to outdoor climate conditions.

(3) It is difficult to integrate the existing thermal insulation device with the assembled standardized components.

Contents of the invention

In order to solve the deficiencies in the prior art, the present invention provides a honeycomb type convection and ventilation external wall heat preservation device, which realizes the up and down through-type cavity convection heat preservation and heat insulation wall, and is equipped with a self-control heat preservation closed valve, taking into account ventilation and cooling in summer and cooling in winter. Thermal insulation performance, honeycomb bionic design, firm structure, integrated construction with assembled standardized components.

In order to achieve the above object, the present invention is achieved through the following technical solutions: a honeycomb type convection ventilation external wall heat preservation device, including a prefabricated heat preservation body installed on the base wall, a honeycomb type convection ventilation heat preservation module, an upper ventilation assembly and a lower Ventilation component, the prefabricated ventilation air flow channel is set in the prefabricated heat preservation body, the upper ventilation component is located at the upper end of the honeycomb convection ventilation and heat preservation module, the upper ventilation component is connected with the honeycomb convection ventilation heat preservation module, and the lower ventilation component is located at The lower end of the honeycomb convection ventilation and heat preservation module, the lower ventilation component is connected with the honeycomb convection ventilation heat preservation module, the upper ventilation component includes an upper heat preservation matrix, and an upper ventilation airflow channel and an air outlet are arranged in the upper heat preservation matrix. An upper air outlet static plenum is installed in the upper ventilation air flow channel, a self-control heat preservation airtight valve is installed at the air outlet, the lower ventilation assembly includes a lower heat preservation matrix, and a lower ventilation air flow channel and an air inlet are arranged in the lower heat preservation matrix. A lower air intake static plenum is installed in the lower ventilation air passage, and a self-control heat preservation and airtight valve is installed at the air inlet. The honeycomb convection ventilation heat preservation module includes a base frame with a cavity inside, and the base frame A plurality of interconnected honeycombs and insulation layers located around the honeycombs are arranged, and the honeycombs are communicated with the lower ventilation airflow passage and the upper ventilation airflow passage.

There are multiple honeycomb convection ventilation and heat preservation modules, and the multiple honeycomb convection ventilation and heat preservation modules are glued together.

The adjacent two sides of the base frame are provided with protruding blocks, and the other two sides are provided with grooves corresponding to the protruding blocks.

Anchor bolt holes are arranged on the base frame, and anchor bolt pieces are installed in the anchor bolt holes.

Both the air inlet and the air outlet are provided with ventilation louvers.

Both the upper ventilation assembly and the lower ventilation assembly are provided with raised strips adapted to the grooves or recessed seams adapted to the convex joints.

A protective layer is provided on the prefabricated thermal insulation body and the honeycomb convection ventilation thermal insulation module.

Compared with the prior art, the beneficial effects of the present invention are:

1. The present invention includes a prefabricated thermal insulation body, a honeycomb convection ventilation insulation module, an upper ventilation assembly and a lower ventilation assembly. The honeycomb convection ventilation insulation module is the main module, and the upper ventilation assembly and the lower ventilation assembly are respectively located The upper and lower ends of the thermal insulation module form an upper and lower through-type cavity convection thermal insulation wall, which takes into account the performance of ventilation and cooling in summer and thermal insulation in winter, and can adjust the weather resistance of reasonable ventilation and thermal insulation functions according to outdoor climate conditions, and introduce solar energy Passive utilization improves the thermal insulation performance of the thermal insulation system, enhances the energy-saving effect, and utilizes the good heat insulation and circulation dehumidification effects of the air layer; Obtain a large bearing capacity, and it is not easy to deform, crack and break, and has good structural stability, while taking into account the advantages of shock absorption, sound insulation, heat insulation and strong weather resistance; doors, windows and other parts of the building are prefabricated for heat preservation body transition connection, the prefabricated ventilation airflow channel is set in the prefabricated insulation body to communicate with the honeycomb convection ventilation insulation module, and plays the role of transition connection with the honeycomb convection ventilation insulation module. The performance requirements and the actual situation of the building structure should be set for the specific size and thickness; the air inlet and outlet are equipped with self-control heat preservation airtight valves, and the setting of the self-control heat insulation airtight valves can be effectively controlled according to environmental parameters such as outdoor temperature and humidity, such as outdoors in winter When the temperature is low, the temperature signal is collected through the temperature sensing element, and the self-control heat preservation airtight valve is closed to prevent cold air from entering the convection ventilation airflow channel, reducing the heat load of the winter enclosure structure. When it is rainy, the self-control is closed by collecting the humidity signal. The heat preservation airtight valve prevents moisture and moisture from entering the convection ventilation cavity, and avoids structural damage caused by moisture and condensation of the heat preservation layer.

2. There are multiple honeycomb convection ventilation and heat preservation modules, and the multiple honeycomb convection ventilation and heat preservation modules are glued and snapped together. The prefabricated standardized components produced in batches have high quality, short construction period, energy saving and loss reduction. , Clean production and other advantages, especially suitable for energy-saving renovation and expansion projects of existing buildings, can realize integrated construction with prefabricated buildings, and has good promotion and application value.

Description of drawings

Accompanying drawing 1 is a structural representation of the present invention;

Accompanying drawing 2 is a schematic structural diagram of the upper ventilation assembly of the present invention;

Accompanying drawing 3 is a schematic structural diagram of the lower ventilation assembly of the present invention;

Accompanying drawing 4 is the structural schematic diagram of the front view of the honeycomb type convection ventilation heat preservation module of the present invention;

Accompanying drawing 5 is the side view structure diagram of the honeycomb type convection ventilation heat preservation module of the present invention.

Numbers shown in the attached drawings: 1. Base wall; 2. Prefabricated heat preservation body; 3. Upper ventilation assembly; 31. Upper ventilation airflow channel; 32. Air outlet; 33. Upper air outlet plenum; 34. Upper heat preservation Substrate; 4. Lower ventilation assembly; 41. Lower ventilation airflow channel; 42. Air inlet; 43. Lower air inlet plenum; 44. Lower heat preservation substrate; 5. Honeycomb convection ventilation heat preservation module; 51. Base frame; 52. Honeycomb; 53. Insulation layer; 54. Convex block; 55. Groove; 56. Anchor bolt hole; 6. Ventilation louver; 7. Self-control insulation sealing valve; 8. Glue; 9. Protective layer; Raised strips; 11. Concave seams.

detailed description

The present invention will be further described in conjunction with the accompanying drawings and specific embodiments. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art may make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

A honeycomb convection ventilation external wall insulation device, comprising a prefabricated insulation body 2 installed on a base wall 1 , a honeycomb convection ventilation insulation module 5 , an upper ventilation assembly 3 and a lower ventilation assembly 4 . The prefabricated heat preservation body 2 is provided with a prefabricated ventilation airflow channel, and the prefabricated heat preservation body can communicate with the honeycomb convection ventilation heat preservation module. The honeycomb convection ventilation and heat preservation module 5 is the main module, and the upper ventilation component 3 and the lower ventilation component 4 are respectively located at the upper and lower ends of the honeycomb convection ventilation and heat preservation module, forming an up and down through-type cavity convection heat insulation wall; doors, windows The prefabricated thermal insulation body is used for transitional connection, and the prefabricated ventilation airflow channel is set in the prefabricated thermal insulation body to communicate with the honeycomb convection ventilation and thermal insulation module, which plays the role of transition connection with the honeycomb convective ventilation and thermal insulation module. The prefabricated thermal insulation body can be based on The specific size and thickness of the building thermal climate zone set the requirements of thermal performance and the actual situation of the building structure. The upper ventilation assembly 3 is located at the upper end of the honeycomb convection ventilation insulation module 5, the upper ventilation assembly 3 communicates with the honeycomb convection ventilation insulation module 5, and the lower ventilation assembly 4 is located at the lower end of the honeycomb convection ventilation insulation module 5. , the lower ventilation assembly 4 communicates with the honeycomb convection ventilation and heat preservation module 5 to form an up and down through-type cavity convection heat preservation and heat insulation wall, which takes into account the performance of ventilation and cooling in summer and heat preservation and heat insulation in winter, and can be reasonably adjusted according to outdoor climate conditions. The weather resistance adjustment of ventilation and heat preservation functions, the introduction of passive utilization of solar energy, improve the heat preservation performance of the heat preservation system, enhance the energy saving effect, and use the good heat insulation, circulation and dehumidification effects of the air layer. The upper ventilation assembly 3 includes an upper thermal insulation base 34, and an upper ventilation air flow channel 31 and an air outlet 32 are arranged in the upper thermal insulation base 34. The air outlet 32 is located on the front of the prefabricated thermal insulation body 2, and the upper ventilation air flow channel 31 The air outlet static pressure box 33 is installed, and the self-control heat preservation airtight valve 7 is installed at the described air outlet 32 places. The lower ventilation assembly 4 includes a lower thermal insulation base 44, in which a lower ventilation air flow channel 41 and an air inlet 42 are arranged, the air inlet 42 is located on the front of the prefabricated thermal insulation body 2, and the lower ventilation air flow channel 41 The air inlet static plenum box 43 is installed, and the self-control heat preservation airtight valve 7 is installed at the air inlet 42. The setting of the self-control heat preservation airtight valve can be effectively controlled according to environmental parameters such as outdoor temperature and humidity. The temperature sensing element collects the temperature signal, closes the self-control heat preservation airtight valve, prevents cold air from entering the convection ventilation airflow channel, and reduces the heat load of the enclosure structure in winter. When the weather is cloudy and rainy, the self-control thermal insulation airtight valve is closed by collecting humidity signals to prevent moisture and moisture from entering the convection ventilation cavity, and avoid structural damage caused by moisture and condensation on the insulation layer. The honeycomb convection ventilation heat preservation module 5 includes a base frame 51 with a cavity inside, and a plurality of interconnected honeycombs 52 and insulation layers 53 located around the honeycombs 52 are arranged in the base frame 51, and the honeycombs 52 and The lower ventilation airflow passage 41 communicates with the upper ventilation airflow passage 31 . The thermal insulation layer is prefabricated with thermal insulation material with thermal insulation performance and fireproof requirements, which can achieve good thermal insulation effect. The hexagonal equilateral honeycomb structure connected front and back has good structural stability. The honeycomb structure insulation layer system can obtain greater bearing capacity with less material, and is not easy to deform, crack and break, and has shock absorption, sound insulation, Insulated and extremely weather resistant. The outdoor air is introduced into the lower air inlet static plenum through the lower ventilation window, flows through the lower ventilation airflow channel into the honeycomb cavity, flows into the upper ventilation airflow channel after passing through the honeycomb cavity, and then is discharged through the upper air outlet static pressure box to realize air pollution. Ventilation function. In summer, the air inlet and outlet are opened, and due to the passive solar principle and the chimney effect caused by thermal pressure, cold air (filtered) enters from the air inlet, and hot air is discharged from the air outlet. This bottom-up airflow continues Fresh air is brought into the ventilation airflow channel, and the heat is brought to the outside, which reduces the surface temperature of the inner wall and reduces the operating load of the building's air conditioning and cooling. In winter, close the air inlet and outlet, and the heat channel in the honeycomb convection ventilation insulation module will increase the air temperature due to the heat preservation effect and sunlight irradiation, forming a greenhouse, reducing the heat loss of the inner foundation wall and realizing energy saving. Effect.

As an optimization, there are multiple honeycomb convection ventilation and heat preservation modules 5, and the multiple honeycomb convection ventilation and heat preservation modules 5 are glued and snapped together. The prefabricated standardized components produced in batches have high quality, short construction period, It has the advantages of energy saving, loss reduction, clean production, etc., and is especially suitable for energy-saving renovation and expansion projects of existing buildings. It can realize integrated construction with prefabricated buildings, and has good promotion and application value.

As an optimization, the adjacent two sides of the base frame 51 are provided with protruding blocks 54, and the other two sides are provided with grooves 55 adapted to the protruding blocks 54. When assembling between the honeycomb convection ventilation and heat preservation modules, two The joints of the transverse and longitudinal sections of the assembly are unevenly occluded, which facilitates construction and increases overall stability.

As an optimization, anchor bolt holes 56 are set on the base frame 51, anchor bolts are installed in the anchor bolt holes 56, the honeycomb convection ventilation insulation module and the base wall are bonded with glue, and anchor bolts are set Through the fastening of anchor bolts, the firmness of its structure can be enhanced, and problems such as falling off can be effectively avoided.

As an optimization, the air inlet 42 and the air outlet 32 are provided with ventilation louvers 6 to prevent physical dust and the like from entering the ventilation air duct from the air inlet and air outlet and blocking the ventilation air duct.

As an optimization, the upper air intake assembly 3 and the lower air intake assembly 4 are provided with convex strips 10 compatible with the grooves 55 or concave seams 11 compatible with the convex joints 54, and the prefabricated heat preservation body and the honeycomb convective flow The wind insulation modules are connected by concave joints and convex strips, the structure is simple, and the butt joints are tight.

As an optimization, a protective layer 9 is provided on the heat preservation body and the honeycomb convection ventilation heat preservation module 5 to increase the protection function of the heat preservation wall.

Claims (7)

1. null1. a cellular ventilation by forced draft exterior-wall heat insulation device，It is characterized in that: include the prefabricated thermal insulation body (2) being arranged on base course wall (1)、Cellular ventilation by forced draft heat preservation module (5)、Upper ventilation assembly (3) and lower ventilation assembly (4)，In described prefabricated thermal insulation body (2), prefabricated draft passage is set，Described upper ventilation assembly (3) is positioned at cellular ventilation by forced draft heat preservation module (5) upper end，Described upper ventilation assembly (3) connects with cellular ventilation by forced draft heat preservation module (5)，Described lower ventilation assembly (4) is positioned at cellular ventilation by forced draft heat preservation module (5) lower end，Described lower ventilation assembly (4) connects with cellular ventilation by forced draft heat preservation module (5)，Described upper ventilation assembly (3) includes insulation matrix (34)，In described upper insulation matrix (34), draft passage (31) and air outlet (32) are set，Air-out plenum chamber (33) is installed in described upper draft passage (31)，Self-controlled thermal insulation airtight valve (7) is installed at described air outlet (32) place，Described lower ventilation assembly (4) includes lower insulation matrix (44)，In described lower insulation matrix (44), lower draft passage (41) and air inlet (42) are set，Lower air intake plenum chamber (43) is installed in described lower draft passage (41)，Self-controlled thermal insulation airtight valve (7) is installed at described air inlet (42) place，Described cellular ventilation by forced draft heat preservation module (5) includes that inside is provided with the base frame (51) of cavity，Multiple Nidus Vespae (52) being interconnected and the heat-insulation layer (53) being positioned at Nidus Vespae (52) surrounding are set in described base frame (51)，Described Nidus Vespae (52) connects with lower draft passage (41) and upper draft passage (31).
2. One the most according to claim 1 cellular ventilation by forced draft exterior-wall heat insulation device, it is characterized in that: described cellular ventilation by forced draft heat preservation module (5) is multiple, multiple described cellular ventilation by forced draft heat preservation modules (5) are gluing to be connected together.
3. One the most according to claim 1 and 2 cellular ventilation by forced draft exterior-wall heat insulation device, it is characterized in that: described base frame (51) adjacent dual-side arranges the convex block (54) that connects, and additionally dual-side arranges and connects, with convex, the groove (55) that block (54) adapts.
4. One the most according to claim 1 and 2 cellular ventilation by forced draft exterior-wall heat insulation device, it is characterised in that: anchor hole (56) is set on described base frame (51), crab-bolt part is installed in described anchor hole (56).
5. One the most according to claim 1 cellular ventilation by forced draft exterior-wall heat insulation device, it is characterised in that: described air inlet (42) and air outlet (32) place are respectively provided with ventilation transom window (6).
6. One the most according to claim 3 cellular ventilation by forced draft exterior-wall heat insulation device, it is characterised in that: it is respectively provided with the raised line (10) adapted with groove (55) on described upper ventilation assembly (3) and lower ventilation assembly (4) or connects, with convex, the recessed seam (11) that block (54) adapts.
7. One the most according to claim 1 cellular ventilation by forced draft exterior-wall heat insulation device, it is characterised in that: it is respectively provided with protective layer (9) on described prefabricated thermal insulation body (2) and cellular ventilation by forced draft heat preservation module (5).