CN105716802A - Air tightness detection equipment for blast gate - Google Patents
Air tightness detection equipment for blast gate Download PDFInfo
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- CN105716802A CN105716802A CN201610278987.2A CN201610278987A CN105716802A CN 105716802 A CN105716802 A CN 105716802A CN 201610278987 A CN201610278987 A CN 201610278987A CN 105716802 A CN105716802 A CN 105716802A
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- Prior art keywords
- pulling block
- detection equipment
- sampling box
- air tightness
- tightness detection
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention relates to air tightness detection equipment for a blast gate. The air tightness detection equipment comprises a telescopic door frame, a nylon surface cover, a special fan and a control sampling box, wherein the nylon surface cover coves the telescopic door frame; an opening is formed in the nylon surface cover; a circle of tightening belt is stitched on the opening; the special fan sleeves the opening of the nylon surface cover; the tightening belt is tied on a shell of the special fan; the special fan is hung on the telescopic door frame through a pull handle; the special fan is connected with the control sampling box. The air tightness detection equipment is convenient to mount and remove; the measurement structure is accurate, so that the air tightness detection equipment is suitable for being popularized and applied.
Description
Technical field
The invention belongs to building performance detecting device field, relate generally to a kind of blast gate air tightness detection equipment, specifically refer to the detection equipment of architectural exterior-protecting construction air permeability.
Background technology
Blast gate is mainly used in the air-tightness level of test architecture building enclosure, diagnosis and demonstration air penetration problem and estimates efficiency loss produced by natural air permeability and air penetration, and can be used for building overall performance is estimated.In recent years, along with developing rapidly of China's building trade, the airtight level of architectural exterior-protecting construction have also been obtained the concern of more and more people.The international standard fan forced method of mensuration of building breathability " the building hot property, " (ISO9972-2015) is distinctly claimed the air permeability to architectural exterior-protecting construction test.
It is currently used for the detection equipment at scene, it is common to there is problems in that first, section material framework is with bolts, in-site installation dismounting inconvenience；Secondly, detection room need at different floors, and iron-clad blower fan is heavier, and carrying is wasted time and energy, and blower fan, without constant-current stabilizer, measures flowed fluctuation relatively greatly, and DATA REASONING deviation is bigger；Again, adopt effusion meter and gauge measurement flow and pressure, need manual read to count up to into test, owing to anthropic factor can cause that measurement data has deviation.
Summary of the invention
Goal of the invention:
In order to solve the deficiency of above-mentioned technology, the invention provides a kind of blast gate air tightness detection equipment, solve installation inconvenience, carrying is wasted time and energy, the problem that flow is unstable.Data acquisition does not have anthropic factor to affect, and makes collection data more accurate, and accuracy of detection is high, easy to use.
Technical scheme:
A kind of blast gate air tightness detection equipment, it is characterised in that: include scalable doorframe, nylon face shield, special fan and control sampling box；Nylon face shield is wrapped on scalable doorframe, and nylon face shield is provided with opening, and opening is sewed up a circle elastic cord, and special fan is enclosed within the opening of nylon face shield, and elastic cord is strangled on the shell of special fan；Special fan is hung on scalable doorframe by handle；Special fan connects control sampling box.
Nylon face shield surrounding is with VELCRO, and the VELCRO of nylon face shield surrounding hooks face turnover and is pasted onto on VELCRO hair side, is wrapped in nylon face shield by scalable doorframe.
Scalable doorframe is mainly made up of cam lever device, section material framework and the contiguous block with spring；Cam lever device and section material framework are bolted, section material framework laterally and vertical on section bar each through making it connect at the cam lever device that laterally and vertically can both slide, enable scalable doorframe to stretch to adapt to different rooms to be detected door opening；Section material framework is provided with the contiguous block of spring in horizontal and vertical junction.
Cam lever device is made up of cam spanner, block, pulling block and straight burr handle；Pulling block includes the first pulling block and the second pulling block, the first pulling block and the second pulling block, and by screw and pulling block spring is telescopic links together；The threaded bar portion of screw belt is threadedly secured to inside the second pulling block, and screw is positioned at the cavity of the first pulling block without threaded bar portion and head, and pulling block spring housing is located at screw without threaded bar portion；Block is arranged on above the second pulling block, and connects by bolt and the second pulling block are fixing；Cam spanner is arranged on above the first pulling block, and connects by straight burr handle and the first pulling block are fixing.
Contiguous block side and section bar are connected with, and opposite side is connected by telescopic copper post, and copper post bottom is provided with the spring that can be pressed into contiguous block, and section bar is provided with opening, and when section bar injects contiguous block, copper post snaps into section bar open.
Described special fan include through injection molding, roughening process foam glass steel blower housing and be arranged on the flabellum within blower housing, flabellum is with the blade of 8 angle adjustables.
Special fan shell and earth surface place are flat.
Described special fan is provided with lightweight egg grid in the middle part of air outlet.
Described control sampling box includes converter and sampling box；Converter is fixed by rivet interlacement with controlling sampling box；Sampling box includes the differential pressure pickup of two accurate calibrations, circuit board and shell, and two differential pressure pickups are arranged in the enclosure with circuit board, and differential pressure pickup connects circuit board, and converter connects the circuit board of sampling box by cable；Sampling box is connected with computer.
Sampling box is provided with four interfaces, connects special fan by trachea；Control sampling box to be placed near special fan.
Advantage and effect:
This blast gate air tightness detection equipment of the present invention, has the following advantages and beneficial effect:
(1) cam lever device and the contiguous block with spring is adopted to connect each section bar, to reach the simple purpose of easy installation and removal.
(2) the foam glass steel blower housing processed through injection molding, roughening is adopted can to reduce overall blower fan weight, it is easy to convenient in carrying, lightweight egg grid it is provided with, it is ensured that blower fan air-out is steady, it is ensured that the accuracy of air quantity flow measurement in the middle part of special fan air outlet.
(3) sampling box automatically controls special fan, real-time data collection, automatically saves, and can be connected with computer, derives data and printed report, is not having anthropic factor to affect, making measurement data more accurate.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram that the present invention detects equipment.
Fig. 2 is scalable doorframe schematic diagram.
Fig. 3 is special fan schematic diagram.
Fig. 4 is blower fan control system schematic diagram.
Fig. 5 is cam lever apparatus structure schematic diagram.
Fig. 6 is the A-A sectional view of Fig. 5.
Fig. 7 is the B-B sectional view of Fig. 5.
Fig. 8 is the schematic diagram after the cam spanner rotation 135 ° of cam lever device.
Fig. 9 is connecting block structure schematic diagram.
Figure 10 is the A-A sectional view of Fig. 9.
Description of reference numerals:
1, scalable doorframe, 2, nylon face shield, 3, special fan, 4, control sampling box, 5, cam lever device, 51, cam spanner, 52, block, 53, pulling block, 54, straight burr handle, the 531, first pulling block, the 532, second pulling block, 533, screw, 534, pulling block spring, 6, section material framework, 61, section bar, 62, opening, 7, contiguous block, 71, copper post, 72, spring, 8, blower housing, 9, flabellum, 10, egg grid, 11, converter, 12, sampling box.
Detailed description of the invention
The present invention is for carrying out the detection of air permeability according to the international standard fan forced method of mensuration of building breathability " the building hot property, " (ISO9972-2015) to architectural exterior-protecting construction.
Below in conjunction with accompanying drawing, the present invention is described further:
The present invention is a kind of blast gate air tightness detection equipment, including casing, as it is shown in figure 1, include scalable doorframe 1, nylon face shield 2, special fan 3 and control sampling box 4；Nylon face shield 2 is wrapped on scalable doorframe 1, and nylon face shield 2 is provided with opening, and opening is sewed up a circle elastic cord, and special fan 3 is enclosed within the opening of nylon face shield 2, and elastic cord is strangled on the shell of special fan 3；Special fan 3 is hung on scalable doorframe 1 by handle；Special fan 3 connects control sampling box 4.
Nylon face shield 2 surrounding is with VELCRO, and the VELCRO of nylon face shield 2 surrounding hooks face turnover and is pasted onto on VELCRO hair side, is wrapped in nylon face shield by scalable doorframe 1.
As in figure 2 it is shown, scalable doorframe 1 is mainly made up of cam lever device 5, section material framework 6 and the contiguous block with spring 7；Cam lever device 5 and section material framework 6 are bolted, section material framework 6 laterally and vertical on section bar each through making it connect at the cam lever device 5 that laterally and vertically can both slide, make scalable doorframe 1 can stretch to adapt to different rooms to be detected door opening；Section material framework 6 is provided with the contiguous block 7 of spring in horizontal and vertical junction, and vertical direction upper sectional material is detachable, it is simple to transport, convenience quick for installation.
5 interconnection functions of cam lever device, making can sliding extension between section bar and section bar.As shown in Figure 5-Figure 7, cam lever device 5 is made up of cam spanner 51, block 52, pulling block 53 and straight burr handle 54；Pulling block 53 includes the first pulling block 531 and the second pulling block 532, and the first pulling block 531 and the second pulling block 532 are by screw 533 and pulling block spring 534 is telescopic links together；It is internal that the screwed bar portion of screw 533 is threadedly secured to the second pulling block 532, and screw 533 is positioned at the cavity of the first pulling block 531 without threaded bar portion and head, and pulling block spring 534 is set in screw 533 without threaded bar portion；Block 52 is arranged on above the second pulling block 532, and by bolt and the second fixing connection of pulling block 532；Cam spanner 51 is arranged on above the first pulling block 531, and is connected by straight burr handle 54 is fixing with the first pulling block 531.
Pulling cam spanner 51 drives the first pulling block 531 to compress pulling block spring 534, now owing to the second pulling block 532 withstands on block 52, first pulling block 531 moves to away from the second pulling block 532 direction, make section bar and section bar extend in closure, so can make nylon face cover and the tight silk close joint of tested room doorframe.In like manner, reversely pulling cam spanner 51, drive the first pulling block 531 to stretch pulling block spring 534, now owing to the second pulling block 532 withstands on block 52, the first pulling block 531, near the second pulling block 532 direction motion, makes section bar and section bar shorten in closure.
As shown in Figure 8, the maximum rotational angle of cam spanner 51 is 135 °, now the elongation of section bar can be made to reach maximum.
Connect with cam lever device 5 fixing when section bar on section material framework is laterally or vertically connected with section bar, connect with the contiguous block 7 with spring during vertical connection.
As shown in figs. 9 and 10, contiguous block 7 side and section bar are connected with, and opposite side is connected by telescopic copper post 71, copper post 71 bottom is provided with the spring 72 that can be pressed into contiguous block, section bar is provided with opening 62, and when section bar injects contiguous block 7, copper post 71 snaps into section bar open 62.
As it is shown on figure 3, described special fan 3 include through injection molding, roughening process foam glass steel blower housing 8 and be arranged on the flabellum 9 within blower housing, flabellum 9 is with the blade of 8 angle adjustables.Lightweight to ensure blower fan, it is simple to transport is with easy for installation, and air quantity is big, it is simple to measure the room of more specification.
The containment weight adopting foam glass steel matter is light, and common blower housing is round, and meeting on the ground turns, and above-mentioned blower housing and earth surface place are flat, on the ground will not move.
Described special fan 3 is provided with lightweight egg grid 10 in the middle part of air outlet.Ensure that blower fan air-out is steady, it is ensured that the accuracy of air measuring.
As shown in Figure 4, converter 11 and sampling box 12 are included in described control sampling box 4；Converter 11 is fixed by rivet interlacement with controlling sampling box 4；Sampling box 12 includes the differential pressure pickup of two accurate calibrations, circuit board and shell, and two differential pressure pickups are arranged in the enclosure with circuit board, and differential pressure pickup connects circuit board；Converter 11 is connected on the circuit board of sampling box by cable.Sampling box 12 is the instrument of a twin-channel test air pressure and flow, additionally it is possible to two pass bands air pressure simultaneously.Sampling box 12 is connected preservation data and printed report (circuit board of sampling box 12 is connected with computer) by cable with computer.Easy to operate simply, error of measured data is little.
Sampling box 12 is provided with four interfaces (two-way measurement), connects special fan 3 by trachea and measures flow pressure；Control sampling box 4 and be placed near special fan 3, it is ensured that in the join domain of trachea.
When the present invention works:
As shown in fig. 1, it it is the installation diagram of whole detection equipment, copper post 71 on contiguous block 7 with spring is compressed, section bar 61 is injected the contiguous block 7 with spring, copper post snaps into the opening 62 on section bar 61, making section bar be connected in vertical direction with section bar, each junction all connects in this way, forms scalable doorframe 1.Scalable doorframe 1 is wrapped on nylon face shield 2, adjust section material framework 6, make its size and tested room doorframe size similar, nylon face shield 2 is fixed on scalable doorframe 1 by the VELCRO carried with nylon face shield 2, scalable doorframe 1 is fixed on detected room doorframe, pull cam lever device 5, it is possible to make nylon face shield 2 and the tight silk close joint of tested room doorframe.Special fan 3 is enclosed within nylon face shield 2, secures the fan on scalable doorframe 1 crossbeam by VELCRO, make blower fan not with earth surface.Special fan 3 power control line is connected on control sampling box 4, connects sampling box 12 and special fan 3 with trachea, is manually or automatically completed test, sampling box 12 automatic data collection by the button on sampling box 12, completes test.Sampling box 12 is connected with computer, it is possible to derive data, printed report.
Claims (10)
1. a blast gate air tightness detection equipment, it is characterised in that: include scalable doorframe (1), nylon face shield (2), special fan (3) and control sampling box (4)；Nylon face shield (2) is wrapped on scalable doorframe (1), and nylon face shield (2) is provided with opening, and opening is sewed up a circle elastic cord, and special fan (3) is enclosed within the opening of nylon face shield (2), and elastic cord is strangled on the shell of special fan (3)；Special fan (3) is hung on scalable doorframe (1) by handle；Special fan (3) connects control sampling box (4).
2. blast gate air tightness detection equipment according to claim 1, it is characterized in that: nylon face shield (2) surrounding is with VELCRO, the VELCRO of nylon face shield (2) surrounding hooks face turnover and is pasted onto on VELCRO hair side, scalable doorframe (1) is wrapped in nylon face shield (2) inner.
3. blast gate air tightness detection equipment according to claim 1, it is characterised in that: scalable doorframe (1) is mainly made up of cam lever device (5), section material framework (6) and the contiguous block (7) with spring；Cam lever device (5) and section material framework (6) are bolted, section material framework (6) laterally and vertical on section bar (61) each through making it connect at the cam lever device (5) that laterally and vertically can both slide, make scalable doorframe (1) can stretch to adapt to different rooms to be detected door opening；Section material framework (6) is provided with the contiguous block (7) of spring in horizontal and vertical junction.
4. blast gate air tightness detection equipment according to claim 3, it is characterised in that: cam lever device (5) is made up of cam spanner (51), block (52), pulling block (53) and straight burr handle (54)；Pulling block (53) includes the first pulling block (531) and the second pulling block (532), and the first pulling block (531) and the second pulling block (532) are by screw (533) and pulling block spring (534) is telescopic links together；It is internal that the screwed bar portion of screw (533) is threadedly secured to the second pulling block (532), screw (533) is positioned at the cavity of the first pulling block (531) without threaded bar portion and head, and pulling block spring (534) is set in screw (533) without threaded bar portion；Block (52) is arranged on the second pulling block (532) top, and connects by bolt and the second pulling block (532) are fixing；Cam spanner (51) is arranged on the first pulling block (531) top, and is connected by straight burr handle (54) and the first pulling block (531) are fixing.
5. blast gate air tightness detection equipment according to claim 3, it is characterized in that: contiguous block (7) side and section bar are connected with, opposite side is connected by telescopic copper post (71), copper post (71) bottom is provided with the spring (72) that can be pressed into contiguous block, section bar is provided with opening (62), when section bar injects contiguous block (7), copper post (71) snaps into section bar open (62).
6. blast gate air tightness detection equipment according to claim 1, it is characterized in that: described special fan (3) include through injection molding, roughening process foam glass steel blower housing (8) and be arranged on the fan leaf (9) within blower housing, flabellum (9) is with the blade of 8 angle adjustables.
7. the blast gate air tightness detection equipment according to claim 1 or 6, it is characterised in that: special fan shell and earth surface place are flat.
8. blast gate air tightness detection equipment according to claim 1, it is characterised in that: described special fan (3) is provided with lightweight egg grid (10) in the middle part of air outlet.
9. blast gate air tightness detection equipment according to claim 1, it is characterised in that: described control sampling box (4) includes converter (11) and sampling box (12)；Converter (11) is fixed by rivet interlacement with controlling sampling box (4)；Sampling box (12) includes the differential pressure pickup of two accurate calibrations, circuit board and shell, and two differential pressure pickups are arranged in the enclosure with circuit board, and differential pressure pickup connects circuit board, and converter (11) connects the circuit board of sampling box by cable；Sampling box (12) is connected with computer.
10. blast gate air tightness detection equipment according to claim 9, it is characterised in that: sampling box (12) is provided with four interfaces, connects special fan (3) by trachea；Control sampling box (4) to be placed near special fan (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610278987.2A CN105716802B (en) | 2016-04-28 | 2016-04-28 | Blast gate air tightness detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610278987.2A CN105716802B (en) | 2016-04-28 | 2016-04-28 | Blast gate air tightness detection equipment |
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| CN105716802A true CN105716802A (en) | 2016-06-29 |
| CN105716802B CN105716802B (en) | 2018-01-09 |
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| CN201610278987.2A Active CN105716802B (en) | 2016-04-28 | 2016-04-28 | Blast gate air tightness detection equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106289650A (en) * | 2016-08-04 | 2017-01-04 | 贵州省建材产品质量监督检验院 | A kind of door and window scene air-leakage test sealing device |
| CN108286453A (en) * | 2018-01-05 | 2018-07-17 | 中国神华能源股份有限公司 | Alley way air door |
| CN109540410A (en) * | 2018-10-31 | 2019-03-29 | 天津大学 | Building rate of ventilation test method |
| CN117629538A (en) * | 2023-11-28 | 2024-03-01 | 建研科诺(北京)环境技术有限公司 | Testing device for testing gas tightness of protection area of gas fire extinguishing system |
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| CN106289650A (en) * | 2016-08-04 | 2017-01-04 | 贵州省建材产品质量监督检验院 | A kind of door and window scene air-leakage test sealing device |
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| CN108286453B (en) * | 2018-01-05 | 2020-06-02 | 中国神华能源股份有限公司 | Tunnel air door |
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| CN117629538A (en) * | 2023-11-28 | 2024-03-01 | 建研科诺(北京)环境技术有限公司 | Testing device for testing gas tightness of protection area of gas fire extinguishing system |
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|---|---|
| CN105716802B (en) | 2018-01-09 |
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Effective date of registration: 20190201 Address after: 110000 No. 4, No. 3, No. 2 Street, Shenyang Economic and Technological Development Zone, Liaoning Province Patentee after: Shenyang Ziweiheng Testing Equipment Co., Ltd. Address before: 110144 No. 5 Jinling Road, Zisha Street, Yuhong District, Shenyang City, Liaoning Province Patentee before: Ziwei Machinery Electronic Equipment Co.,Ltd. Shenyang |