CN106197879A - Portable door and window curtain wall sealing property on-line measuring device - Google Patents
Portable door and window curtain wall sealing property on-line measuring device Download PDFInfo
- Publication number
- CN106197879A CN106197879A CN201610581632.0A CN201610581632A CN106197879A CN 106197879 A CN106197879 A CN 106197879A CN 201610581632 A CN201610581632 A CN 201610581632A CN 106197879 A CN106197879 A CN 106197879A
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- Prior art keywords
- test box
- curtain wall
- window curtain
- sealing property
- measuring device
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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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
-
- 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)
Abstract
The invention provides portable door and window curtain wall sealing property on-line measuring device, including: test box, multiple suckers, main frame, air intake installation and detection device；Described test box is connected by fastening rope respectively with sucker；Described test box opening part is provided with sealing device；Described air intake installation is connected with test box by main frame；Described detection device is connected with main frame respectively.The portable door and window curtain wall sealing property on-line measuring device test box opening part that the present invention provides uses sealing device, in the case of fastening rope tension, and sealing device compressive deformation, fitting tightly of test box and test specimen can be realized, seal approach is simply, effective.
Description
Technical field
The present invention relates to Architecural Physics detection technique field, especially relate to a kind of portable door and window curtain wall sealing property and exist
Line detector.
Background technology
The sealing property of the architectural exterior-protecting constructions such as door and window curtain wall directly affects the energy-efficient performance of building and indoor comfortable for living
Degree.Along with the increase of building service life, in commission door and window curtain wall is due to encapsulant generation ageing failure, five metals deformation
Deng, affecting its sealing property is deteriorated, thus causes indoor and outdoor heat convection current to increase, and increases constructing operation energy consumption level, affects room
Interior thermal environment and air quality, reduce residence comfort.Time serious, it may occur that the serious problems such as leak, glass comes off, thus shadow
Ring and build service life, even can cause security incident.So, study to be on active service during door and window curtain wall air-tightness lossless
Wire testing method, detects and evaluates sealing property and the safety and reliability of door and window curtain wall in military service, for ensureing building joint
Can be significant with building safety.
At present, carry out door and window curtain wall determination of gas tightness both at home and abroad to be mainly by plenum chamber method.When laboratory is tested, door
Window curtain wall test specimen is arranged on testing stand, by test specimen and installing frame be effectively connected and sealing makes between test specimen and plenum chamber
Form a cavity closed, by changing the pressure in cavity, measure the quantity of air infiltration through door and window curtain wall test specimen；Existing
When in commission door and window curtain wall is detected by field, it is also adopted by test philosophy and the device being similar to, but and between door and window curtain wall, forms envelope
Closing space material many employings plastic sheeting, edge carries out closing bonding by Continuous pressing device for stereo-pattern, and connection reliability is poor.Minority uses
Fixing pre-formed cavity block splicing, uses destructiveness to be connected between surrounding with body of wall.This kind of method of testing ordinary test equipment is relatively big,
Skyscraper is difficult to operate, and connected mode or less reliable, or need to destroy existing building metope.Further, existing
The air tightness test in national and foreign standards is had also simply to measure the quantity of air infiltration through gap, due to air colorless and odorless, difficult
To find out the position of concrete gas leakage, this also brings certain difficulty for follow-up maintenance and repair.
Summary of the invention
It is an object of the invention to provide portable door and window curtain wall sealing property on-line measuring device, it is possible to largely
Solve, owing to testing equipment is relatively big, skyscraper to be difficult to operate, and connected mode poor reliability, need to destroy existing building
Metope, existing air tightness test is also only capable of measuring the quantity of air infiltration through gap, due to air colorless and odorless, it is difficult to find out
The position of concrete gas leakage, this also brings the problems such as certain difficulty for follow-up maintenance and repair.
The portable door and window curtain wall sealing property on-line measuring device that the present invention provides, including: test box, multiple suckers,
Main frame, air intake installation and detection device；
Described test box is connected by fastening rope respectively with sucker；
Described test box opening part is provided with sealing device；
Described air intake installation is connected with test box by main frame；
Described detection device is connected with main frame respectively.
Further, described sealing device includes the first rubber seal, the second rubber weather strip and the 3rd rubber seal
Bar；
Described first rubber seal is located at test box opening part；
Described second rubber weather strip, the 3rd rubber weather strip are respectively provided at test box opening part upper/lower terminal face.
Further, described main frame is connected by the cone-shaped plug grafting on main frame with test box.
Further, being provided with the tapered opening matched with described cone-shaped plug in the middle of described test box, described taper is opened
Being provided with rubber seal and gas block panel in Kou, described gas block panel is connected by ventilated net with test box.
Further, described fastening rope is provided with test box junction and test box compression can be made to be fitted in surface of test piece
Tighten up knob.
Further, described air intake installation includes frequency conversion fan, smoke generating appts, vent hose and airway；
Described frequency conversion fan, smoke generating appts are connected with vent hose respectively；
Described vent hose is connected with airway one end by joint；
It is additionally provided with intake valve on described airway.
Further, the described airway other end is connected through main frame with cone-shaped plug.
Further, described detection device includes gas flowmeter and differential pressure pick-up.
Further, described gas flowmeter is arranged on inside airway, and described differential pressure pick-up is arranged on tapered opening
Place.
Further, described main frame is respectively connected with gas flowmeter, differential pressure pick-up by data wire；
Described main frame is arranged over display screen.
The invention have the benefit that
The portable door and window curtain wall sealing property on-line measuring device that the present invention provides, by sucker and the design of fastening rope
Realize the compression laminating between test box and test specimen, the test process non-destructive for test specimen can be realized, simple to operation,
It is particularly well suited to the detection of engineering site.
It addition, the portable door and window curtain wall sealing property on-line measuring device that the present invention provides, test box opening part uses
Three seals measure, in the case of fastening rope tension, sealing device compressive deformation, the tight patch of test box and test specimen can be realized
Closing, seal approach is simple, effective.
Finally, the portable door and window curtain wall sealing property on-line measuring device that the present invention provides, setting of smoke generating appts
Meter can intuitively observe the position of gas leakage, provides more efficiently guidance for follow-up maintenance maintenance.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to specifically
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The test box of the portable door and window curtain wall sealing property on-line measuring device that Fig. 1 provides for the present invention and the side of test specimen
View；
Fig. 2 is the structural representation of present invention test box based on Fig. 1 and main frame junction；
First rubber seal in the portable door and window curtain wall sealing property on-line measuring device that Fig. 3 provides for the present invention,
Structural representation before second rubber weather strip and the installation of the 3rd rubber weather strip；
First rubber seal in the portable door and window curtain wall sealing property on-line measuring device that Fig. 4 provides for the present invention,
Structural representation after second rubber weather strip and the installation of the 3rd rubber weather strip；
After Fig. 5 is connected with test specimen for the portable door and window curtain wall sealing property on-line measuring device test box that the present invention provides
Overall structure schematic diagram.
Reference:
1-sucker；2-fastens rope；3-tightens up knob；
4-test box；5-display screen；6-main frame；
7-airway；8-vent hose；9-frequency conversion fan；
10-smoke generating appts；11-intake valve；12-gas flowmeter；
13-differential pressure pick-up；14-data wire；15-test specimen；
16-cone-shaped plug；17-gas block panel；18-ventilated net；
19-rubber seal；
401-the first rubber seal；402-the second rubber weather strip；403-the 3rd rubber weather strip.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that described enforcement
Example is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertically ",
Orientation or the position relationship of the instruction such as " level ", " interior ", " outward " they are based on orientation shown in the drawings or position relationship, merely to
Be easy to describe the present invention and simplifying describe rather than instruction or the hint device of indication or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicate or hint relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, can understand that above-mentioned term is at this with concrete condition
Concrete meaning in invention.
Below by specific embodiment and combine accompanying drawing the present invention is described in further detail.
Embodiment one:
Test box 4 and the test specimen 15 of the portable door and window curtain wall sealing property on-line measuring device that Fig. 1 provides for the present invention
Side view；Fig. 2 is the structural representation of present invention test box based on Fig. 14 and main frame 6 junction；Fig. 3 provides for the present invention
Portable door and window curtain wall sealing property on-line measuring device in first rubber seal the 401, second rubber weather strip 402 and
Structural representation before three rubber weather strips 403 installations, as Figure 1-3:
The portable door and window curtain wall sealing property on-line measuring device that the present embodiment provides, including test box 4, multiple suckers
1, main frame 6, air intake installation and detection device；
Test box 4 is connected by fastening rope 2 respectively with sucker 1；
Test box 4 opening part is provided with sealing device；
Air intake installation is connected with test box 4 by main frame 6；
Detection device is connected with main frame 6 respectively.
In the alternative of the present embodiment, sealing device includes first rubber seal the 401, second rubber weather strip 402
With the 3rd rubber weather strip 403；First rubber seal 401 is located at test box 4 opening part；Second rubber weather strip the 402, the 3rd
Rubber weather strip 403 is respectively provided at test box 4 opening part upper/lower terminal face.Fastening rope 2 is provided with test box 4 junction can
Make test box 4 compress be fitted in test specimen 15 surface tighten up knob 3.Test box 4 is a square openings casing, and box body wall can be by
Light-weight metal sheet material, metallic composite panel or transparent plexiglass plate processing and fabricating form, and the opening surrounding of test box 4 is
First rubber seal the 401, second rubber weather strip 402 and the 3rd rubber weather strip 403.Test box 4 restricts 2 with many by fastening
Individual sucker 1 links together, and when sucker 1 adsorbs on test specimen 15, rotary tightening knob 3 makes test box 4 tight with test specimen 15
Closely connected conjunction, first rubber seal the 401, second rubber weather strip 402 and the 3rd rubber weather strip 403 by compression, test specimen 15 with
An airtight casing is formed between test box 4.Sucker 1 is manual sucker or electric sucking disc, and the absorption affinity of sucker 1 can bear survey
The deadweight of examination case 4.
In the alternative of the present embodiment, main frame 6 is connected by cone-shaped plug 16 grafting on main frame 6 with test box 4.Survey
It is provided with, in the middle of examination case 4, the tapered opening matched with cone-shaped plug 16, in tapered opening, is provided with rubber seal 19 and gas block panel
17, gas block panel 17 is connected by ventilated net 18 with test box 4.Test box 4 leaves tapered opening and plugs with main frame 6.Before main frame 6
End has a cone-shaped plug 16, can be plugged in together with the tapered opening of test box 4.One layer of rubber is had in the tapered opening of test box 4
Glue sealing ring 19, can ensure sealing therebetween, tapered opening when the cone-shaped plug 16 of main frame 6 is plugged on test box 4
Gas block panel 17, gas block panel 17 is inside had to link together with the ventilated net 18 in an astragal hole with the box body wall of test box 4.
In the alternative of the present embodiment, air intake installation includes frequency conversion fan 9, smoke generating appts 10, vent hose 8 and
Airway 7；Frequency conversion fan 9, smoke generating appts 10 are connected with vent hose 8 respectively；Vent hose 8 is by joint and inducing QI
Pipe 7 one end is connected；Intake valve 11 it is additionally provided with on airway 7.Airway 7 other end is connected through main frame 6 with cone-shaped plug 16.
Airway 7, airway 7 is had to be connected by vent hose 8 with frequency conversion fan 9 and smoke generating appts 10 in main frame 6.Flue gas is sent out
Generating apparatus 10 can produce colored gas or smog, after entering into test box 4 by airway 7, can pass through examination under pressure
The gap of part 15, thus the considerable position measuring gas leakage.
In the alternative of the present embodiment, detection device includes gas flowmeter 12 and differential pressure pick-up 13.Gas flow
It is internal that meter 12 is arranged on airway 7, and differential pressure pick-up 13 is arranged at tapered opening.Main frame 6 is by data wire 14 and gas stream
Gauge 12, differential pressure pick-up 13 are respectively connected with；Main frame 6 is arranged over display screen 5.Main frame 6 is by data wire 14 and gas flow
Meter 12, differential pressure pick-up 13 are connected, and have the display screen 5 of a folding rotation above main frame 6.Gas flowmeter 12 is used for surveying
Pinging the gas flow of test box 4, differential pressure pick-up 13 is for testing the pressure reduction inside and outside test box 4.Frequency conversion fan 9, flue gas
Generating means 10, the connection of airway 7 control by main frame 6 embedded software with Guan Bi.The numerical value such as pressure, gas flow, temperature
Display is on display screen 5 all in real time.
In conjunction with the above detailed description to the present embodiment it can be seen that on test specimen 15 outer surface after installation test box 4, incite somebody to action
Main frame 6 is plugged on test box 4, the handle of hand-held main frame 6, the taper that the cone-shaped plug 16 of main frame 6 is directed at test box 4 is opened
Mouthful, applying certain thrust, main frame 6 is closely plugged in together with test box 4.Under thrust, the surrounding of test box 4 enters one
Step compresses with the surface of test specimen 15, and can ensure that the cavity of generation between the test box after compression 4 and test specimen 15
Seal.Smoke generating appts 10 is first turned on, when abundant colored gas or flue gas enter into test box 4 by main frame 6
After, restart frequency conversion fan 9, by the differential pressure pick-up 13 in monitoring casing, the pressure reduction of regulating box inside and outside reaches setting value.
Go out altogether to be filled with the gas flow of test box 4 by gas flowmeter 12 is measurable.Main frame 6 is by data wire 14 and gas flowmeter
12, differential pressure pick-up 13 is connected, and main frame 6 is provided above the display screen 5 of a folding rotation.Gas flowmeter 12 is used for
Testing the gas flow by test box 4, differential pressure pick-up 13 is for testing the pressure reduction inside and outside test box 4.Inducing QI is had in main frame 6
Pipe 7, airway 7 is connected with the vent hose 8 of frequency conversion fan 9 and smoke generating appts 10 by joint.Frequency conversion fan 9, cigarette
The keying of gas generating means 10 and the connection of airway 7 control by main frame 6 embedded software with Guan Bi.Pressure, gas flow,
The numerical value such as temperature show the most in real time on display screen 5.The colored gas of smoke generating appts 10 generation or smog, pass through airway
After 7 enter into test box 4, can pass through the gap of test specimen 15 under pressure, thus the considerable position measuring gas leakage.Flue gas is sent out
Generating apparatus 10 can be selected for dry ice fog machine or liquid nitrogen fog machine, the smog nonhazardous of generation.
Embodiment two:
First rubber seal in the portable door and window curtain wall sealing property on-line measuring device that Fig. 3 provides for the present invention
401, the structural representation before the second rubber weather strip 402 and the 3rd rubber weather strip 403 are installed；Fig. 4 provides for the present invention
First rubber seal the 401, second rubber weather strip 402 and the 3rd in portable door and window curtain wall sealing property on-line measuring device
Structural representation after rubber weather strip 403 installation, as shown in Figure 3-4:
The opening surrounding of test box 4 is three road gum elastic sealing devices, including the first rubber seal 401,
Two rubber weather strip 402 and the 3rd rubber weather strips 403, after screwing fastening rope 2 and applying certain thrust by main frame 6,
First rubber seal the 401, second rubber weather strip 402 and the 3rd rubber weather strip 403 deformation and and test specimen the most by compression
15 surfaces fit tightly together, now, form an airtight cavity between test box 4 and test specimen 15.
Embodiment three:
The portable door and window curtain wall sealing property on-line measuring device test box 4 that Fig. 5 provides for the present invention is connected with test specimen
After overall structure schematic diagram, as shown in Figure 5:
Installing test box 4 on test specimen 15 outer surface, test box 4 is welded by transparent organic glass.Test box 4 is detained
In the outer surface of test specimen 15, and multiple suckers 1 of test box 4 are adsorbed the glass surface above test specimen 15, tightly
Admittedly rope 2 can be according to sucker 1 position adjustments length to be adsorbed；Then, rotary tightening knob 3, then connecting sucker 1 and test box
The fastening rope 2 of 4 produces tension, and under the effect of tension, test box 4 compresses the outer surface being fitted in test specimen 15.Upper terminal sucker
The absorption affinity of 1 be enough to bear the deadweight of test box 4 and can make the first rubber seal 401 of test box 4 opening,
All there is compression in two rubber weather strips 402 and the 3rd rubber weather strip 403.Finally, at test specimen 15 back transparent adhesive tape
Position, all of gap is sealed by band.
The workflow of the present invention:
Step one: install test box 4 on test specimen 15, first test box 4 is buckled in the outer surface of test specimen 15,
And four suckers 1 of test box 4 are adsorbed the surface above test specimen 15, rotary tightening knob 3, then connecting sucker 1 and test
The fastening rope 2 of case 4 produces tension, and under the effect of tension, test box 4 compresses and is fitted in test specimen 15 surface, and test box 4 is opened
Mouth surrounding has the first rubber seal the 401, second rubber weather strip 402 and the 3rd rubber weather strip 403, it is ensured that test box 4
And airtight between test specimen 15 surface.Finally, at test specimen 15 back adhesive tape, position, all of gap is sealed.
Step 2: main frame 6 is plugged on test box 4, hand-held main frame 6 handle, main frame 6 cone-shaped plug 16 is directed at test
The tapered opening of case 4, applies certain thrust, and main frame 6 is closely plugged in together with test box 4.Under thrust, test box
The surrounding of 4 compresses with the surface of test specimen 15 further, it is ensured that the seal after compression.
Step 3: first turn on smoke generating appts 10 by main frame 6, when abundant colored gas or flue gas enter into
After test box 4, restarting frequency conversion fan 9, by the differential pressure pick-up 13 in monitoring casing, the pressure reduction of regulating box inside and outside reaches
After setting value P, close airway 7 intake valve 11.Go out altogether to be filled with the gas of test box 4 by gas flowmeter 12 is measurable
Amount Q.
Step 4: calculate test specimen 15 seam air penetration performance, utilizes mention in GB/T 7106-2008 airtight
Property method of testing calculate through the quantity of air infiltration in gap, and available coloured smoke, the position of gas leakage at observation test specimen 15.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；To the greatest extent
The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: it depends on
So the technical scheme described in foregoing embodiments can be modified, or the most some or all of technical characteristic is entered
Row equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a portable door and window curtain wall sealing property on-line measuring device, it is characterised in that including: test box, multiple suckers,
Main frame, air intake installation and detection device；
Described test box is connected by fastening rope respectively with sucker；
Described test box opening part is provided with sealing device；
Described air intake installation is connected with test box by main frame；
Described detection device is connected with main frame respectively.
Portable door and window curtain wall sealing property on-line measuring device the most according to claim 1, it is characterised in that described close
Seal apparatus includes the first rubber seal, the second rubber weather strip and the 3rd rubber weather strip；
Described first rubber seal is located at test box opening part；
Described second rubber weather strip, the 3rd rubber weather strip are respectively provided at test box opening part upper/lower terminal face.
Portable door and window curtain wall sealing property on-line measuring device the most according to claim 2, it is characterised in that described master
Machine is connected by the cone-shaped plug grafting on main frame with test box.
Portable door and window curtain wall sealing property on-line measuring device the most according to claim 3, it is characterised in that described survey
It is provided with, in the middle of examination case, the tapered opening matched with described cone-shaped plug, in described tapered opening, is provided with rubber seal and gear gas
Plate, described gas block panel is connected by ventilated net with test box.
Portable door and window curtain wall sealing property on-line measuring device the most according to claim 1, it is characterised in that described tightly
Gu rope and test box junction be provided with can make test box compress be fitted in surface of test piece tighten up knob.
Portable door and window curtain wall sealing property on-line measuring device the most according to claim 4, it is characterised in that described in enter
Device of air includes frequency conversion fan, smoke generating appts, vent hose and airway；
Described frequency conversion fan, smoke generating appts are connected with vent hose respectively；
Described vent hose is connected with airway one end by joint；
It is additionally provided with intake valve on described airway.
Portable door and window curtain wall sealing property on-line measuring device the most according to claim 6, it is characterised in that described in lead
The trachea other end is connected through main frame with cone-shaped plug.
Portable door and window curtain wall sealing property on-line measuring device the most according to claim 7, it is characterised in that described inspection
Survey device and include gas flowmeter and differential pressure pick-up.
Portable door and window curtain wall sealing property on-line measuring device the most according to claim 8, it is characterised in that described gas
Flowmeter body is arranged on inside airway, and described differential pressure pick-up is arranged at tapered opening.
Portable door and window curtain wall sealing property on-line measuring device the most according to claim 8 or claim 9, it is characterised in that institute
State main frame to be respectively connected with gas flowmeter, differential pressure pick-up by data wire；
Described main frame is arranged over display screen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610581632.0A CN106197879B (en) | 2016-07-21 | 2016-07-21 | Portable door and window curtain wall sealing performance on-line measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610581632.0A CN106197879B (en) | 2016-07-21 | 2016-07-21 | Portable door and window curtain wall sealing performance on-line measuring device |
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| CN106197879A true CN106197879A (en) | 2016-12-07 |
| CN106197879B CN106197879B (en) | 2019-04-16 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107219125A (en) * | 2017-05-27 | 2017-09-29 | 福建省永正工程质量检测有限公司 | A kind of detection device for doors and windows sealing compressive property |
| CN108106789A (en) * | 2018-03-07 | 2018-06-01 | 新希望六和股份有限公司 | A kind of poultry house air leak test auxiliary device and detection method |
| CN108225685A (en) * | 2017-12-27 | 2018-06-29 | 北京临近空间飞艇技术开发有限公司 | A kind of gas leak detection apparatus and its detection method |
| CN109001347A (en) * | 2018-11-06 | 2018-12-14 | 常州大恒环保科技有限公司 | VOC on-Line Monitor Device and its fault detection method in flue gas |
| CN109238577A (en) * | 2018-10-24 | 2019-01-18 | 深圳市三鑫科技发展有限公司 | Curtain wall leak detection apparatus and detection method |
| CN109470426A (en) * | 2018-11-27 | 2019-03-15 | 浙江华昊建筑材料检测有限公司 | Door and window air tightness detection equipment |
| CN109540407A (en) * | 2019-01-16 | 2019-03-29 | 南京工业大学 | Portable assembly type building external wall panel joint airtight and watertight performance detection device and method adopting dry ice |
| CN112304505A (en) * | 2020-11-17 | 2021-02-02 | 湖南富而康科贸新材料有限公司 | Sealing performance testing device for detecting fireproof door and window |
| CN112945475A (en) * | 2021-03-01 | 2021-06-11 | 张锦峰 | Building external window air tightness gas flow collecting method |
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| CN109470426B (en) * | 2018-11-27 | 2020-10-23 | 浙江华昊建筑材料检测有限公司 | Door and window air tightness detection equipment |
| CN109540407A (en) * | 2019-01-16 | 2019-03-29 | 南京工业大学 | Portable assembly type building external wall panel joint airtight and watertight performance detection device and method adopting dry ice |
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