Passive house overflow structure
By installing a box and a perforated sound-absorbing baffle structure at the baseboard of the wall, the problems of poor sound insulation and light penetration in the passive house fresh air overflow structure are solved, achieving efficient air circulation and sound and light insulation effects.
Patent Information
- Application Number
- CN202423221430.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-26
AI Technical Summary
The passive house's fresh air overflow structure, with its gap design under the door, results in poor sound insulation, and the light shining through at night affects sleep quality.
An installation box is installed at the baseboard of the wall, with a perforated sound-absorbing panel and a baffle plate inside to form an air duct. Combined with grille strips and movable blocks, the airflow direction is adjusted to achieve ventilation, sound insulation and light blocking effects.
It ensures orderly air circulation, reduces wind noise, blocks light, improves sound and light insulation, and enhances the sleep environment.
Smart Images

Figure CN223610303U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building ventilation technical field, concretely relates to a passive house overflow structure. BACKGROUND
[0002] One of the five elements of passive house design is environment control equipment, and the environment control equipment ensures room air quality and comfort through organized air supply and exhaust. Fresh air is sent to the bedroom, study, living room, and the circulating dirty air is sent to the bathroom through the corridor and then is exhausted to the outdoor. However, if the room door is closed, the organized air circulation will be blocked, so the overflow structure needs to be set.
[0003] At present, the overflow structure of the passive house fresh air is mainly through the gap under the door to carry out air overflow during the design, in order to ensure the overflow air volume, the gap under the door needs to be 1.8cm-2cm, so that the sound insulation effect of the room cannot be guaranteed, and the light outside the room at night will be penetrated into the room through the door gap, which affects the sleep quality of the person. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a passive house overflow structure to solve the above problems in the prior art.
[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a passive house overflow structure, comprising:
[0006] The overflow structure is arranged at the skirting line of the wall body, the overflow structure is internally fixed with a mounting box body, the width of the mounting box body is less than the thickness of the wall body, an air inlet is arranged at the bottom of the inner side of the mounting box body, and an air outlet is arranged at the bottom of the outer side of the mounting box body.
[0007] The first porous sound-absorbing plate is fixedly arranged at the bottom end of the inner side of the mounting box body, a first flow guide plate is fixedly arranged at the outer end of the first porous sound-absorbing plate, a sound insulation cotton layer is fixedly arranged on the inner wall of the mounting box body, a second porous sound-absorbing plate is fixedly connected to the inner end of the sound insulation cotton layer, a second flow guide plate is fixedly connected to the inner end of the second porous sound-absorbing plate, an air duct is formed between the first flow guide plate and the second flow guide plate, and the air inlet and the air outlet are respectively communicated with the two ends of the air duct.
[0008] Preferably, the mounting box body at the top end of the air inlet and the air outlet is integrally connected with a folding edge, so that the putty edge can be conveniently collected.
[0009] Preferably, the inner side and the outer side of the mounting box body are both provided with a glass fiber mesh layer, the outer side of the glass fiber mesh layer is fixedly connected with a putty layer, and the glass fiber mesh layer and the putty layer are arranged at the top end of the folding edge, so that the glass fiber mesh layer and the putty layer can be conveniently aligned with the wall body and the appearance can be improved.
[0010] Preferably, the inside and outside of the mounting box are provided with a plurality of irregular protrusions to prevent the coating from cracking.
[0011] Preferably, the inside of the air inlet and the air outlet are provided with grid bars to facilitate changing the air direction of the air inlet and the air outlet.
[0012] Preferably, the two ends of the grid bar are provided with a connecting block, the grid bar and the connecting block are rotationally connected through a rotating shaft, the outside of the connecting block is provided with a movable block, the opposite side of the connecting block and the movable block is provided with a spring slot, the inside of the two spring slots is provided with a telescopic rod, the two ends of the telescopic rod are fixedly connected with one end of the inside of the two spring slots, the outside of the telescopic rod is provided with a spring, and the two ends of the spring are fixedly connected with one end of the inside of the two spring slots, so as to facilitate the installation and dismounting of the grid bar.
[0013] Preferably, the outer end surface of the first flow guide plate and the inner end surface of the second flow guide plate are arc surfaces, so as to facilitate changing the air direction.
[0014] In the above technical solution, the technical effects and advantages of the utility model are provided.
[0015] 1. The mounting box is embedded at the bottom end of the wall body, the foul air in the room flows out through the air duct, thereby ensuring the orderly airflow organization in the room, the first porous sound-absorbing plate, the second porous sound-absorbing plate and the sound insulation cotton layer can reduce the wind noise in the air duct, the first porous sound-absorbing plate and the first flow guide plate can block the light, and the overflow structure has good ventilation, sound insulation and light shielding effects.
[0016] 2. The grid bar, the connecting block and the movable block can be arranged in the air inlet and the air outlet by adjusting the positions of the two movable blocks, the movable block can be tightly contacted with the inner wall of the air inlet and the air outlet under the elastic force of the spring, thereby the grid bar can be installed into the air inlet and the air outlet, and the air inlet and the air outlet can be adjusted. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art according to these drawings.
[0018] Figure 1 It is a whole structure schematic view of the utility model;
[0019] Figure 2 It is a three-dimensional structure schematic view of the overflow structure of the utility model;
[0020] Figure 3The utility model discloses an overflow structure whole three-dimensional structure schematic diagram.
[0021] Figure 4 The utility model discloses an overflow structure whole three-dimensional sectional structure schematic diagram.
[0022] Figure 5 The utility model discloses a grid strip, connecting block and movable block three-dimensional structure schematic diagram.
[0023] Figure 6 The utility model discloses a Figure 5 A enlarged structure schematic diagram.
[0024] Mark explanation:
[0025] 1, overflow structure, 2, install box body, 3, air inlet, 4, air outlet, 5, first porous sound absorption board, 6, first flow guide plate, 7, sound insulation cotton layer, 8, second porous sound absorption board, 9, second flow guide plate, 10, air duct, 11, turn over edge, 12, glass fiber mesh layer, 13, putty layer, 14, grid strip, 15, connecting block, 16, movable block, 17, spring slot, 18, telescopic rod, 19, spring. Specific implementation
[0026] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be introduced further in the following with the attached drawing.
[0027] The utility model provides a kind of passive house overflow structure as Figures 1 to 4 As shown in the figure, including:
[0028] Overflow structure 1 is opened in wall body skirting line, overflow structure 1 is fixed with install box body 2 inside, the width of install box body 2 is less than wall thickness, air inlet 3 is opened in install box body 2 inner side bottom, air outlet 4 is opened in install box body 2 outer side bottom;
[0029] First porous sound absorption board 5, first porous sound absorption board 5 is fixed in install box body 2 inside bottom end, first porous sound absorption board 5 outer end is fixed with first flow guide plate 6, sound insulation cotton layer 7 is fixed on install box body 2 inner wall, second porous sound absorption board 8 is fixedly connected in sound insulation cotton layer 7 inner end, second flow guide plate 9 is fixedly connected in second porous sound absorption board 8 inner end, the outer end surface of first flow guide plate 6 and the inner end surface of second flow guide plate 9 are all arc surface, and air duct 10 is formed between first flow guide plate 6 and second flow guide plate 9, and air inlet 3 and air outlet 4 are communicated with the both ends of air duct 10 respectively.
[0030] The mounting box body 2 at the top of the air inlet 3 and the air outlet 4 is integrally connected with a folded edge 11, the inner side and the outer side of the mounting box body 2 are provided with a glass fiber mesh layer 12, the outer side of the glass fiber mesh layer 12 is fixedly connected with a putty layer 13, the glass fiber mesh layer 12 and the putty layer 13 are arranged at the top of the folded edge 11, and the inner side and the outer side of the mounting box body 2 are provided with a plurality of irregular protrusions.
[0031] The air in the room enters the air duct 10 through the air inlet 3, the arc surface of the first flow guide plate 6 first changes the direction of the air to upward, then the arc surface of the inner end of the second flow guide plate 9 changes the direction of the air again, and then the arc surface on the other side of the first flow guide plate 6 changes the direction of the air, so that the air is discharged out of the room through the air outlet 4; when the air flows in the air duct 10, the first porous sound-absorbing plate 5, the second porous sound-absorbing plate 8 and the sound insulation cotton layer 7 can absorb and insulate the wind noise, thereby greatly reducing the wind noise; and the first porous sound-absorbing plate 5 and the first flow guide plate 6 can block the light from outside the room.
[0032] The dirty air in the room flows out through the air duct 10, thereby forming organized air circulation, the first porous sound-absorbing plate 5, the second porous sound-absorbing plate 8 and the sound insulation cotton layer 7 can reduce the wind noise in the air duct 10, the first porous sound-absorbing plate 5 and the first flow guide plate 6 can block the light, so that the overflow structure has good ventilation, sound insulation and light insulation effects, and the problems that in the prior art, the passive house fresh air overflow structure is mainly designed by leaving a gap under the door for air overflow, in order to ensure the overflow air volume, a gap of 1.8cm-2cm is needed under the door, the sound insulation effect of the room cannot be guaranteed, and the light outside the room at night can penetrate into the room through the door gap, thereby affecting the sleep quality of a person.
[0033] The utility model provides a passive house overflow structure as Figure 3 and Figures 5 to 6 The utility model discloses a passive house overflow structure, the air inlet 3 and the air outlet 4 are provided with the grating strip 14, the both ends of grating strip 14 are provided with a connecting block 15, grating strip 14 and connecting block 15 are rotatably connected through the pivot, the outer side of connecting block 15 is provided with the movable block 16, the opposite side of connecting block 15 and movable block 16 is provided with spring slot 17, the inside of two spring slots 17 is provided with a telescopic link 18, the both ends of telescopic link 18 are fixedly connected with the inside one end of two spring slots 17 respectively, the outer end of telescopic link 18 is provided with spring 19, and the both ends of spring 19 are fixedly connected with the inside one end of two spring slots 17 respectively.
[0034] When the total length of the grid bars 14, the connecting blocks 15 and the movable blocks 16 is less than the length of the air inlets 3 and the air outlets 4, the grid bars 14, the connecting blocks 15 and the movable blocks 16 are placed inside the air inlets 3 and the air outlets 4, then the two movable blocks 16 are pushed outward under the elastic force of the springs 19, the two movable blocks 16 are pushed to the two ends inside the air inlets 3 and the air outlets 4, so that the grid bars 14 can be installed inside the air inlets 3 and the air outlets 4, the grid bars 14 can adjust the air direction of the air inlets and the air outlets, by adjusting the positions of the two movable blocks 16, the grid bars 14, the connecting blocks 15 and the movable blocks 16 can be placed inside the air inlets 3 and the air outlets 4, and the movable blocks 16 can be in close contact with the inner walls of the air inlets 3 and the air outlets 4 under the elastic force of the springs 19, so that the grid bars 14 can be installed inside the air inlets 3 and the air outlets 4, and the grid bars 14 can adjust the air direction of the air inlets and the air outlets.
[0035] The above merely describes certain exemplary embodiments of the present application by way of illustration, and it is needless to say that those skilled in the art can modify the described embodiments in various manners without departing from the spirit and scope of the present application. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the present application.
Claims
1. A passive house overflow structure, characterized in that, Include: Overflow structure (1) opened at the skirting line of wall, the installation box (2) is fixedly arranged inside the overflow structure (1), the width of the installation box (2) is less than the thickness of the wall, the air inlet (3) is opened at the inside bottom of the installation box (2), and the air outlet (4) is opened at the outside bottom of the installation box (2); The first porous sound-absorbing plate (5) is fixedly arranged at the inside bottom end of the installation box (2), the first porous sound-absorbing plate (5) is fixedly arranged at the outer end of the first guide plate (6), the sound insulation cotton layer (7) is fixedly arranged on the inner wall of the installation box (2), the second porous sound-absorbing plate (8) is fixedly connected to the inner end of the sound insulation cotton layer (7), the second guide plate (9) is fixedly connected to the inner end of the second porous sound-absorbing plate (8), the air duct (10) is formed between the first guide plate (6) and the second guide plate (9), and the air inlet (3) and the air outlet (4) are respectively communicated with two ends of the air duct (10).
2. A passive house overflow structure according to claim 1, characterized in that: The installation box (2) on the top end of the air inlet (3) and the air outlet (4) is integrally connected with a folded edge (11).
3. A passive house overflow structure according to claim 2, wherein: The inside and the outside of the installation box (2) are provided with a glass fiber mesh layer (12), the glass fiber mesh layer (12) is fixedly connected with a putty layer (13) outside, and the glass fiber mesh layer (12) and the putty layer (13) are arranged at the top end of the folded edge (11).
4. A passive house overflow structure according to claim 3, wherein: The inside and the outside of the installation box (2) are provided with a plurality of irregular protrusions.
5. A passive house overflow structure according to claim 1, characterized in that: The air inlet (3) and the air outlet (4) are provided with a grid bar (14) inside.
6. A passive house overflow structure according to claim 5, wherein: The both ends of the grid bar (14) are provided with a connecting block (15), the grid bar (14) and the connecting block (15) are rotatably connected through a rotating shaft, the outside of the connecting block (15) is provided with a movable block (16), the opposite sides of the connecting block (15) and the movable block (16) are provided with spring grooves (17), a telescopic rod (18) is arranged in the two spring grooves (17), the both ends of the telescopic rod (18) are fixedly connected with one end in the two spring grooves (17), the outer end of the telescopic rod (18) is sleeved with a spring (19), and the both ends of the spring (19) are fixedly connected with one end in the two spring grooves (17).
7. A passive house overflow structure according to claim 1, wherein: The outer end surface of the first guide plate (6) and the inner end surface of the second guide plate (9) are arc surfaces.