CN112747870B - Passive form is portable adjustable local gas tightness testing arrangement for building - Google Patents
Passive form is portable adjustable local gas tightness testing arrangement for building Download PDFInfo
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- CN112747870B CN112747870B CN202110151040.6A CN202110151040A CN112747870B CN 112747870 B CN112747870 B CN 112747870B CN 202110151040 A CN202110151040 A CN 202110151040A CN 112747870 B CN112747870 B CN 112747870B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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Abstract
The invention particularly relates to a portable adjustable local air tightness testing device for a passive building, which solves the problem that the air tightness of each household or each room cannot be detected before the heat insulation construction of the outer wall of the traditional passive building. A steel bar truss floor bearing top plate and a steel bar truss floor bearing bottom plate are arranged between the L-shaped steel tube bundle shear walls, an airtight frame is arranged between the L-shaped steel tube bundle shear walls, a gas barrier is arranged on the front side of the airtight frame, inflatable bags are arranged on the edges of the gas barrier, and an air blower penetrates through the gas barrier; the inner side of the side wall of the L-shaped steel tube bundle shear wall is provided with a limiting clamp, and the rear side of the airtight frame is provided with a supporting mechanism. The invention has reasonable and reliable structural design, conveniently and quickly realizes the air tightness detection of households or rooms before the heat insulation construction of the outer wall, has accurate and reliable detection result and stronger applicability, can detect households or rooms with different sizes, and has the advantages of simple structure, high turnover rate, rework and repair cost saving and construction period shortening.
Description
Technical Field
The invention relates to a passive building detection device, in particular to a portable adjustable local air tightness testing device for a passive building.
Background
Aiming at a passive ultra-low energy consumption building, the air tightness is one of main indexes which need to be controlled by the passive building, but the door assembly and the window assembly which are purchased in the market and used for detecting the air tightness can only detect the air tightness of a window with a certain specification, the door assembly can only detect an integral unit or an independent building, the existing air tightness detecting assembly can only detect the unit or layered air tightness, and the air tightness detecting assembly has the detection limitation because the air tightness is only used for pasting the air tightness pasting material at the indoor and outdoor connection place of the building.
For a house or an office building, in the project construction process, only the air tightness construction of an outer wall, a roof and the like is carried out, but the air tightness construction of an indoor partition wall and an indoor sub-room wall is not carried out, the air tightness detection of the sub-rooms or the sub-rooms can not be carried out before the next procedure heat preservation engineering construction, the unit or layered air tightness detection can only be carried out by adopting purchased door assemblies after completion, but the air tightness is unqualified after completion, the construction procedure of local outer wall heat preservation and repair of an air tight layer is required, the cost is increased, and the construction period is delayed.
Disclosure of Invention
The invention provides a portable adjustable local air tightness testing device for a passive building, which aims to solve the problem that air tightness detection cannot be carried out on individual households or individual rooms before external wall heat insulation construction in the conventional passive building.
The invention is realized by adopting the following technical scheme: a portable adjustable local air tightness testing device for a passive building comprises L-shaped steel tube bundle shear walls which are distributed on the left and right, a steel bar truss building top bearing plate and a steel bar truss building bottom bearing plate are arranged between the L-shaped steel tube bundle shear walls, an airtight frame is arranged between the steel bar truss building top bearing plate and the steel bar truss building bottom bearing plate, an air isolating layer is arranged on the front side of the airtight frame, inflatable bags extending to the side wall of the airtight frame are arranged at the edge of the air isolating layer, an inflating nozzle is arranged on each inflatable bag, and an air blower hung on the airtight frame is penetrated on the air isolating layer; l shaped steel tube bank shear force wall lateral wall inboard is provided with the spacing card that is located airtight frame front end, the rear side of airtight frame is provided with supporting mechanism, supporting mechanism is including controlling a plurality of that distributes and goes up fixed otic placode, it all is provided with down fixed otic placode under the fixed otic placode to go up, all be provided with rather than articulated fixing sleeve on the fixed otic placode, be provided with the movable rod in the fixing sleeve, and fixing sleeve's lateral wall is provided with the locking bolt of the tight movable rod in top, the lower extreme of movable rod is provided with the bolster, fixing sleeve's well lower part is provided with the connection otic placode, be provided with between connection otic placode and the lower fixed otic placode with both articulated folding rod.
Before the airtightness detection of individual chambers or individual households is carried out, firstly, a limiting clamp is installed on an indoor steel pipe bundle shear wall, an airtight frame is placed next to the limiting clamp, a supporting mechanism is adjusted to fix the airtight frame, the inflatable bag is inflated through an inflating nozzle after the adjustment is completed, after the inflation is proper, the airtight connection of four edges of the airtight frame and the main structure four-quadrant plane is realized, then an air blower is started, the pressure difference of 50pa is formed on the front side and the rear side of each chamber, the numerical value of the air change times of a computer is checked, and the airtightness detection is completed. The problem that the air tightness of individual households or individual rooms cannot be detected before the heat insulation construction of the external wall exists in the existing passive building is solved.
Airtight frame includes a plurality of horizontal and vertical cross fixation's flexible side pipe, flexible side pipe is managed and is pegged graft the activity side of managing of its interior by fixed side and constitutes, the flexible side pipe of arbitrary horizontal setting and the rear side of the flexible side pipe of arbitrary vertical setting all are provided with power transmission shaft, power transmission shaft one end rear side all is provided with the motor, be provided with power drive gear on the output shaft of motor, power drive shaft is last to be provided with the driven drive gear who corresponds around every fixed side pipe, power drive gear meshes with the driven drive gear who corresponds rather than, all open the rectangular hole on the lateral wall that fixed side pipe corresponds with the driven drive gear position, be provided with the rack with driven drive gear meshing on the lateral wall of activity side pipe, the cross section of flexible side pipe is provided with the connecting plate that corresponds with the power transmission shaft position, be provided with the earflap of cover on power transmission shaft on the connecting plate and connect the motor and overlap the base on power transmission shaft.
During the operation, start the motor that the power transmission shaft that transversely sets up corresponds, the motor drives power drive gear and rotates, and then drives power transmission shaft and rotate, and power transmission shaft drives driven drive gear and rotates, and then drives rack and movable side's pipe and remove when the plane contact with major structure, accomplish the adjustment of airtight frame height, and in the same way, carry out the adjustment of airtight frame width.
The middle lower part of the air-isolating layer is provided with a round hole, and the side wall of the round hole is provided with an annular rubber air bag tightly attached to the blower; and a hanging bracket connected with an air blower is arranged on the fixed square tube horizontally arranged above the round hole.
Through aerifing annular rubber air bag among this structural design, realize the sealing connection of gas barrier and air-blower.
The invention has reasonable and reliable structural design, conveniently and quickly realizes the air tightness detection of households or rooms before the heat insulation construction of the external wall, has accurate and reliable detection result and stronger applicability, can detect households or rooms with different sizes, and has the advantages of simple structure, high turnover rate, reworking and repairing cost saving and construction period shortening.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the airtight frame of FIG. 1;
fig. 3 is a schematic view of the structure of the motor in fig. 2.
In the figure: 1-L-shaped steel tube bundle shear wall, 2-steel bar truss floor top bearing plate, 3-steel bar truss floor bottom bearing plate, 4-airtight frame, 5-air isolation layer, 6-inflatable bag, 7-inflatable nozzle, 8-air blower, 9-upper fixed lug plate, 10-lower fixed lug plate, 11-fixed sleeve, 12-movable rod, 13-locking bolt, 14-supporting cushion block, 15-connecting lug plate, 16-folding rod, 17-fixed square tube, 18-movable square tube, 19-power transmission shaft, 20-motor, 21-power transmission gear, 22-driven transmission gear, 23-rack, 24-connecting plate, 25-lug plate, 26-base, 27-annular rubber airbag and 28-suspension hanger.
Detailed Description
A portable adjustable local air tightness testing device for a passive building comprises L-shaped steel tube bundle shear walls 1 distributed on the left and right, a steel bar truss building bearing top plate 2 and a steel bar truss building bearing bottom plate 3 are arranged between the L-shaped steel tube bundle shear walls 1, an air tight frame 4 is arranged between the steel bar truss building bearing top plate 2 and the steel bar truss building bearing bottom plate 3, an air separation layer 5 is arranged on the front side of the air tight frame 4, air inflation bags 6 extending to the side wall of the air tight frame 4 are arranged at the edge of the air separation layer 5, an air inflation nozzle 7 is arranged on each air inflation bag 6, and an air blower 8 hung on the air tight frame 4 penetrates through the air separation layer 5;
the inboard spacing card that is located airtight frame 4 front end that is provided with of 1 lateral wall of L shaped steel tube bank shear force wall, the rear side of airtight frame 4 is provided with supporting mechanism, supporting mechanism is including controlling a plurality of that distributes and goes up fixed otic placode 9, it all is provided with down fixed otic placode 10 under fixed otic placode 9 to go up, all be provided with rather than articulated fixing sleeve 11 on the fixed otic placode 9, be provided with movable rod 12 in the fixing sleeve 11, and fixing sleeve 11's lateral wall is provided with the locking bolt 13 of the tight movable rod 12 in top, the lower extreme of movable rod 12 is provided with lip block 14, fixing sleeve 11's well lower part is provided with the connection otic placode 15, be provided with between connection otic placode 15 and the lower fixed otic placode 10 with both articulated folding rod 16.
The airtight frame 4 comprises a plurality of telescopic square pipes which are fixed in a transverse and vertical crossing manner, each telescopic square pipe is composed of a fixed square pipe 17 and a movable square pipe 18 inserted in the fixed square pipe, the rear sides of any one of the transversely arranged telescopic square pipes and any one of the vertically arranged telescopic square pipes are respectively provided with a power transmission shaft 19, the rear side of one end of each power transmission shaft 19 is provided with a motor 20, an output shaft of each motor 20 is provided with a power transmission gear 21, the power transmission shafts 19 are provided with driven transmission gears 22 corresponding to the front and the rear of each fixed square pipe 17, the power transmission gears 21 are meshed with the driven transmission gears 22 corresponding to the power transmission gears 21, the side walls of the fixed square pipes 17 corresponding to the driven transmission gears 22 are respectively provided with a rectangular hole, the side walls of the movable square pipes 18 are provided with racks 23 meshed with the driven transmission gears 22, the crossing positions of the telescopic square pipes are provided with connecting plates 24 corresponding to the positions of the power transmission shafts 19, and the connecting plates 24 are provided with lug plates 25 sleeved on the power transmission shafts 19 and bases 26 sleeved on the power transmission shafts 19 and connected with the motors 20 and sleeved on the power transmission shafts 19.
The middle lower part of the air-isolating layer 5 is provided with a round hole, and the side wall of the round hole is provided with an annular rubber air bag 27 tightly attached to the blower 8; a hanging hanger 28 connected with the blower 8 is arranged on the fixed square tube 17 horizontally arranged above the round hole.
In the specific implementation, the folding bar 16 is composed of two short bars hinged at one end.
Claims (2)
1. The utility model provides a passive form is portable adjustable local gas tightness testing arrangement for building, includes L shaped steel tube bank shear force wall (1) of controlling the distribution, is provided with steel bar truss floor between L shaped steel tube bank shear force wall (1) and holds roof (2) and steel bar truss floor and hold bottom plate (3), its characterized in that: an airtight frame (4) is arranged between the steel bar truss building bearing top plate (2) and the steel bar truss building bearing bottom plate (3), a gas barrier (5) is arranged on the front side of the airtight frame (4), gas-filled bags (6) extending to the side wall of the airtight frame (4) are arranged on the edges of the gas barrier (5), a charging connector (7) is arranged on each gas-filled bag (6), and an air blower (8) hung on the airtight frame (4) penetrates through the gas barrier (5);
the limiting clamp positioned at the front end of the airtight frame (4) is arranged on the inner side of the side wall of the L-shaped steel tube bundle shear wall (1), a supporting mechanism is arranged on the rear side of the airtight frame (4), the supporting mechanism comprises a plurality of upper fixing lug plates (9) which are distributed left and right, lower fixing lug plates (10) are arranged under the upper fixing lug plates (9), fixing sleeves (11) hinged with the upper fixing lug plates are arranged on the upper fixing lug plates (9), movable rods (12) are arranged in the fixing sleeves (11), locking bolts (13) for tightly pushing the movable rods (12) are arranged on the side wall of each fixing sleeve (11), supporting cushion blocks (14) are arranged at the lower ends of the movable rods (12), connecting lug plates (15) are arranged at the middle lower parts of the fixing sleeves (11), and folding rods (16) hinged with the connecting lug plates (15) and the lower fixing lug plates (10) are arranged between the connecting lug plates (15) and the lower fixing lug plates (10);
the airtight frame (4) comprises a plurality of telescopic square pipes which are fixed in a transverse and vertical crossing mode, each telescopic square pipe is composed of a fixed square pipe (17) and a movable square pipe (18) inserted in the fixed square pipe, the rear sides of any one of the transversely arranged telescopic square pipes and any one of the vertically arranged telescopic square pipes are provided with a power transmission shaft (19), the rear side of one end of each power transmission shaft (19) is provided with a motor (20), an output shaft of each motor (20) is provided with a power transmission gear (21), the power transmission shafts (19) are provided with driven transmission gears (22) which correspond to the front and the rear of each fixed square pipe (17), the power transmission gears (21) are meshed with the driven transmission gears (22) which correspond to the power transmission shafts, rectangular holes are formed in the side walls of the fixed square pipes (17) and the driven transmission gears (22), racks (23) which are meshed with the driven transmission gears (22) are arranged on the side walls of the movable square pipes (18), a connecting plate (24) which corresponds to the power transmission shafts (19) in position is arranged at the crossing position, and a lug plate (25) sleeved on the power transmission shafts (19) and a base (26) sleeved on the motor (20) are arranged on the connecting plate (24).
2. The portable adjustable local air tightness testing device for the passive building as claimed in claim 1, wherein: a circular hole is formed in the middle lower part of the air-isolating layer (5), and an annular rubber air bag (27) tightly attached to the air blower (8) is arranged on the side wall of the circular hole; a fixed square tube (17) horizontally arranged above the round hole is provided with a hanging bracket (28) connected with the blower (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110151040.6A CN112747870B (en) | 2021-02-04 | 2021-02-04 | Passive form is portable adjustable local gas tightness testing arrangement for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110151040.6A CN112747870B (en) | 2021-02-04 | 2021-02-04 | Passive form is portable adjustable local gas tightness testing arrangement for building |
Publications (2)
| Publication Number | Publication Date |
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| CN112747870A CN112747870A (en) | 2021-05-04 |
| CN112747870B true CN112747870B (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110151040.6A Active CN112747870B (en) | 2021-02-04 | 2021-02-04 | Passive form is portable adjustable local gas tightness testing arrangement for building |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116989956B (en) * | 2023-09-28 | 2023-12-05 | 南通市建筑工程质量检测中心 | On-spot airtight watertight performance check out test set of exterior window |
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| JPH07286428A (en) * | 1994-04-15 | 1995-10-31 | Sekisui House Ltd | Airtight device of wall body |
| CN208474584U (en) * | 2018-03-16 | 2019-02-05 | 军事科学院系统工程研究院卫勤保障技术研究所 | The airtight isolating valve of inflatable |
| CN208563770U (en) * | 2018-08-03 | 2019-03-01 | 中国建筑第七工程局有限公司 | A kind of shear force wall reinforcing steel bar support device |
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| CN212275182U (en) * | 2020-07-17 | 2021-01-01 | 张崟龙 | Building exterior window air tightness field detection equipment |
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| TW200825397A (en) * | 2006-12-08 | 2008-06-16 | Univ Nat Taiwan Science Tech | Airtight test method and equipment thereof |
| CN108716561B (en) * | 2018-03-16 | 2024-05-07 | 军事科学院系统工程研究院卫勤保障技术研究所 | Inflatable airtight isolation valve |
| CN110017946B (en) * | 2019-04-26 | 2021-02-12 | 陕西中盛建设科技服务有限公司 | Building curtain wall performance detection system |
| CN210689947U (en) * | 2019-11-26 | 2020-06-05 | 河南永正检验检测研究院有限公司 | Door and window physical property detection device |
| CN211347265U (en) * | 2019-12-19 | 2020-08-25 | 北京帕克国际工程咨询股份有限公司 | Door and window curtain wall sealing performance detection device |
| CN111307377A (en) * | 2020-03-17 | 2020-06-19 | 宁夏宏源建科检测有限公司 | Building door and window on-site airtightness performance detection device |
| CN211602296U (en) * | 2020-03-25 | 2020-09-29 | 江苏天茂建设有限公司 | Building curtain wall air tightness detection device |
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2021
- 2021-02-04 CN CN202110151040.6A patent/CN112747870B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07286428A (en) * | 1994-04-15 | 1995-10-31 | Sekisui House Ltd | Airtight device of wall body |
| CN208474584U (en) * | 2018-03-16 | 2019-02-05 | 军事科学院系统工程研究院卫勤保障技术研究所 | The airtight isolating valve of inflatable |
| CN208588504U (en) * | 2018-07-19 | 2019-03-08 | 深圳市正非检测科技有限公司 | A kind of door and window physical performance detecting device |
| CN208563770U (en) * | 2018-08-03 | 2019-03-01 | 中国建筑第七工程局有限公司 | A kind of shear force wall reinforcing steel bar support device |
| CN109752142A (en) * | 2019-03-08 | 2019-05-14 | 青岛市建筑材料研究所有限公司 | A kind of closed guard gate's air-tightness detection device for engineering site |
| CN211122620U (en) * | 2019-08-28 | 2020-07-28 | 湖北楚天卓越工程技术有限公司 | Thermal insulation performance testing device suitable for building outer doors and windows of different sizes |
| CN211666180U (en) * | 2019-12-18 | 2020-10-13 | 大同泰瑞集团建设有限公司 | Passive ultralow energy consumption window installation is with supplementary fixing device |
| CN212275182U (en) * | 2020-07-17 | 2021-01-01 | 张崟龙 | Building exterior window air tightness field detection equipment |
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