CN201622159U - Building exterior window air tightness field detection equipment - Google Patents
Building exterior window air tightness field detection equipment Download PDFInfo
- Publication number
- CN201622159U CN201622159U CN2010201333292U CN201020133329U CN201622159U CN 201622159 U CN201622159 U CN 201622159U CN 2010201333292 U CN2010201333292 U CN 2010201333292U CN 201020133329 U CN201020133329 U CN 201020133329U CN 201622159 U CN201622159 U CN 201622159U
- Authority
- CN
- China
- Prior art keywords
- building
- window
- exterior window
- airduct
- differential pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 title description 4
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 239000004033 plastic Substances 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 15
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 3
- 230000003068 static effect Effects 0.000 abstract 3
- 238000007689 inspection Methods 0.000 abstract 1
- 230000035515 penetration Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 235000013842 nitrous oxide Nutrition 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Landscapes
- Examining Or Testing Airtightness (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model relates to a building exterior window gas tightness on-site measuring equipment, including supplying pressure system and the measurement system that comprises pressure supply case and tuber pipe, wherein supply to be equipped with the centrifugal fan who takes variable frequency governor in the pressure case, supply pressure case to insert the static pressure case through the tuber pipe of establishing air regulation valve in, the static pressure case is the cavity that is enclosed by exterior window, the envelope of fixed exterior window that awaits measuring and the sealed sealing film who pastes on the envelope around the exterior window that awaits measuring; the measuring system comprises a collecting device, a collecting board card and a computer which are sequentially connected, wherein the collecting device comprises a temperature sensor and a pressure sensor, the collecting end of which is positioned indoors, an air speed sensor and a differential pressure sensor, the collecting end of which is arranged in an air duct, and the differential pressure sensor is connected into the static pressure box through a differential pressure pipe. The utility model discloses an automatic data acquisition and processing testing result reach the gas tightness conclusion, and this building exterior window gas tightness witnessed inspections equipment is with low costs, and simple structure all can carry out the field test to the door and window that is under construction.
Description
Technical field
The utility model relates to the on-the-spot checkout equipment of a kind of external window of building impermeability.
Background technology
Door and window is one of principal element that influences building energy consumption.The leakproofness in door and window slit is very big to the building heat preservation performance impact, and along with carrying out of China's energy conservation, the leakproofness in door and window slit must be controlled.And the impermeability of door and window also depends on the quality of building operation except the quality that depends on itself.China's engineering practice shows that the binding site of exterior window window wall and window frame often lets in air seriously because of the construction simple coarse.In order to strengthen the construction work Energy Saving Control, in the revised draft of " heating Residential Buildings Energy test stone ", the spy classifies exterior window window air-tightness as mandatory check clause.
At present, door and window inspection center can only detect in the laboratory a few sample, and other in-situ check and test methods are except inconvenience, and testing accuracy can not guarantee.The on-the-spot method that detects all is that the room door and window of prediction door and window is all closed usually, uses blower fan to indoor blowing then, calculates infiltration capacity according to compressor flow at last.In fact, this is that the impermeability that belongs to building enclosure detects, and the impermeability of the independent door and window of every fan in the room can not be detected; Also having a kind of method is exactly to adopt the indoor easily gas of diffusion such as laughing gas of putting into, determine the infiltration capacity in slit every the concentration of a period of time survey laughing gas, this method is except the bubble-tight influence that is subjected to room itself, and also on liking gas and other objects carry out the influence of chemical reaction.Therefore, the research and development of the on-the-spot checkout equipment of the perfect door and window impermeability of a cover are particularly important.
The utility model content
In order to solve above-mentioned weak point, the utility model provides a kind of measuring accuracy height, easy to use, and the on-the-spot checkout equipment of convenient and economic external window of building impermeability is installed.
The purpose of this utility model is achieved through the following technical solutions:
The on-the-spot checkout equipment of a kind of external window of building impermeability, comprise the voltage supply system and the measuring system that constitute by voltage supply case and airduct, wherein be provided with the centrifugal blower of band variable-frequence governor in the voltage supply case, described voltage supply case inserts in the plenum chamber by the interior airduct of establishing volume damper, and described plenum chamber is meant by the building enclosure of exterior window to be measured, fixing exterior window to be measured and sealing and sticks on the cavity that the sealing film on the exterior window to be measured building enclosure on every side surrounds; Described measuring system comprises successively harvester, analog input card and the computing machine that connects, and wherein harvester comprises that collection terminal is positioned at indoor temperature sensor and pressure transducer, collection terminal and is arranged at the air velocity transducer of airduct and the differential pressure pickup by pressure reduction pipe access plenum chamber.
According to the preferred version of embodiment, the described air velocity transducer collection terminal that is arranged in the airduct is positioned at airduct kernel of section position.Open what a airduct mounting hole and a differential pressure pickup tracting pressuring hole on the described sealing film, airduct is by the airduct mounting hole on the rubber flange access sealing film, and differential pressure pickup inserts the differential pressure pickup tracting pressuring hole through the pressure reduction pipe.
As the preferred version of embodiment, described volume damper adopts ball valve made of plastic.Described centrifugal blower adopts multiple wing type centrifugal blower fan.
The design concept of the present utility model and the course of work are: the on-the-spot checkout equipment of described external window of building impermeability adopts the plenum chamber method, the scene utilizes sealing film, building enclosure and exterior window to surround cavity as plenum chamber, dry from the plenum chamber exhausting or to plenum chamber by the voltage supply system, make detected object, promptly the both sides of external window of building form artificial positive pressure differential or Negative Pressure Difference.Plenum chamber has tracting pressuring hole, can measure pressure reduction by the differential pressure pickup in the acquisition system, in voltage supply system either pipe flow measurement device is installed, and promptly air velocity transducer is measured the air penetration amount.In concrete the measurement, at first voltage supply system in the utility model is installed in an indoor side of tested exterior window, and by the voltage supply pipeline, promptly airduct is connected with the plenum chamber that forms that is tightly connected by exterior window, building enclosure and sealing film; Be provided with centrifugal blower in the voltage supply case in the voltage supply system, and the variable-frequence governor that can regulate the centrifugal blower rotating speed is arranged; The airduct that is connected with the voltage supply case is provided with volume damper.Forming the sealing film of plenum chamber can be made by any one encapsulant.The voltage supply case is blown or exhausting in plenum chamber by airduct, the operator observes computing machine and shows the plenum chamber inside and outside differential pressure, associating manual adjustment by variable-frequence governor and volume damper makes the exterior window surfaces externally and internally form stable pressure reduction, wherein pressure reduction utilizes differential pressure pickup to measure automatically, again measurement result is sent to analog input card, and shows by the computing machine that is attached thereto.By measuring system record exterior window in the air penetration amount of stablize under the differential pressure action: adopt air velocity transducer measurement air penetration amount, the measuring sonde of air velocity transducer is inserted in the airduct, be located at airduct kernel of section position, the mean wind speed that records and the product of sectional area are the air penetration amount.Simultaneously according to the requirement in the national standard " classification of external window of building air-tightness and detection method ", room pressure and temperature when detecting test, be used for when test air pressure and temperature under the air penetration amount be converted into air penetration amount under the standard state: examined setting pressure and temperature sensor near the exterior window, and the analog input card access computing machine by being connected with sensor, note the room air pressure and the temperature value that record.All testing conditions is realized by computer control, and automatic data collection is handled testing result, until providing examining report.The result that said apparatus measures need be converted into air penetration amount under the standard state according to when test room atmosphere pressure and temperature, the processing of measurement result has regulation in above-mentioned national standard, measurement result is converted into air penetration amount under the standard state, determines the impermeability grade of exterior window again according to standard.
The good effect that the utility model brings has:
(1) adopt brand-new design idea, the exterior window air-tightness that laboratory in the past just can be finished detects to be realized at engineering site;
(2) can not only satisfy the needs that the whole on-the-spot air-tightness of all size building doors and windows detects, also can carry out the room impermeability and detect with whole room as plenum chamber;
(3) good looking appearance, easy to carry, install convenient, simple to operate, measure accurately, weight of equipment is light;
(4) than other same categories of device, under equal degree of accuracy, cost of products is low, and cost performance is very high.
In sum, the utility model measuring accuracy height, easy to use, and operation easily, no matter to complete door and window or the single products of constructing, can carry out on-the-spot test.In door and window factory or the construction department also available it detect voluntarily to guarantee processing or construction quality.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the schematic diagram of the on-the-spot checkout equipment of external window of building impermeability described in the utility model;
Among the figure: 1. examined exterior window 2. building enclosures 3. sealing films 4. pressure reduction pipes 5. differential pressure pickups 6. pressure transducers 7. temperature sensors 8. lead-in wires 9. airducts 10. air velocity transducers 11. ball valve made of plastic 12. centrifugal blowers 13. variable-frequence governors 14. analog input cards 15. computing machines
Embodiment:
Embodiment 1:
During concrete enforcement, open what a airduct mounting hole and a differential pressure pickup tracting pressuring hole on the sealing film 3 in Fig. 1 earlier, connect airduct 9 with the rubber flange, install the pressure guiding pipe 4 of differential pressure pickup, to be examined exterior window 1 usefulness sealing film 3 then posts, promptly adopt two-sided bubble glue that sealing film 3 is sticked on the exterior window building enclosure 2 on every side, install its impermeability of back check.
Utilize 12 pairs of systems of centrifugal blower to prepare pressurization, at first apply three pressure reduction pulses, the pressure reduction absolute value is 150Pa, utilize variable-frequence governor 13 and ball valve made of plastic 11 to regulate blast, make its stable 10min at least, should adopt feel that gluing place is rechecked therebetween, the sensation of leaking out must not be arranged.Carry out the connection of each sensor afterwards, the signal output part of temperature sensor 7, pressure transducer 6 and differential pressure pickup 5 is inserted the signals collecting end of analog input card 13 respectively by circuit, also finish simultaneously being connected of air velocity transducer 10 and analog input card 14, wherein air velocity transducer can directly be connected with computing machine as carrying serial ports.If carry out positive pressure decay test, then voltage supply airduct 9 is received the air outlet of centrifugal blower 12; If bear pressure decay test, then voltage supply airduct 9 is received the air inlet of centrifugal blower 12.During experiment, according to national standard " classification of external window of building air-tightness and detection method " (GB/T7107-2002) or (JG/T211-2007) the decompression test that requires to pressurize of building industry industry standard " external window of building is airtight, watertight, resisting wind press capacity in-situ check and test method ", the signal that is collected by pressure transducer, temperature sensor and differential pressure pickup enters data collecting card, enters Computer Analysis, demonstration, storage and printout after pre-service and A/D conversion.Test data outputs test result after the acquisition process that programs specially, (GB/T7107-2002) provides exterior window impermeability grade according to national standard " classification of external window of building air-tightness and detection method ".
Claims (5)
1. the on-the-spot checkout equipment of an external window of building impermeability, it is characterized in that, comprise the voltage supply system and the measuring system that constitute by voltage supply case and airduct, wherein be provided with the centrifugal blower of band variable-frequence governor in the voltage supply case, described voltage supply case inserts plenum chamber by the interior airduct of establishing volume damper, and described plenum chamber is meant by the building enclosure of exterior window to be measured, fixing exterior window to be measured and sealing and sticks on the cavity that the sealing film on the exterior window to be measured building enclosure on every side surrounds; Described measuring system comprises successively harvester, analog input card and the computing machine that connects, and wherein harvester comprises that collection terminal is positioned at indoor temperature sensor and pressure transducer, collection terminal and is arranged at the air velocity transducer of airduct and the differential pressure pickup by pressure reduction pipe access plenum chamber.
2. according to the on-the-spot checkout equipment of the described external window of building impermeability of claim 1, it is characterized in that the collection terminal of described air velocity transducer is positioned at the kernel of section position of airduct.
3. according to claim 1 or the on-the-spot checkout equipment of 2 described external window of building impermeability, it is characterized in that, open what a airduct mounting hole and a differential pressure pickup tracting pressuring hole on the described sealing film, airduct is by the airduct mounting hole on the rubber flange access sealing film, and differential pressure pickup inserts the differential pressure pickup tracting pressuring hole through the pressure reduction pipe.
4. according to claim 1 or the on-the-spot checkout equipment of 2 described external window of building impermeability, it is characterized in that what described volume damper adopted is ball valve made of plastic.
5. according to claim 1 or the on-the-spot checkout equipment of 2 described external window of building impermeability, it is characterized in that what described centrifugal blower adopted is multiple wing type centrifugal blower fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201333292U CN201622159U (en) | 2010-03-17 | 2010-03-17 | Building exterior window air tightness field detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201333292U CN201622159U (en) | 2010-03-17 | 2010-03-17 | Building exterior window air tightness field detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201622159U true CN201622159U (en) | 2010-11-03 |
Family
ID=43025616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201333292U Expired - Fee Related CN201622159U (en) | 2010-03-17 | 2010-03-17 | Building exterior window air tightness field detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201622159U (en) |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141162A (en) * | 2011-03-24 | 2011-08-03 | 沈阳合兴检测设备有限公司 | Active buck-boost regulating valve for three natures detecting device of building doors and windows and curtain walls |
| CN102829928A (en) * | 2012-08-07 | 2012-12-19 | 常州华东人防设备有限公司 | Multifunctional civil air-defense door debugging and testing platform |
| CN103557994A (en) * | 2013-11-21 | 2014-02-05 | 深圳市城市优筑科技有限公司 | External window side seam waterproof detection method and detection device |
| CN104266805A (en) * | 2014-10-28 | 2015-01-07 | 中国核工业华兴建设有限公司 | Detection device and detection method for detecting air tightness of air-tight door of nuclear power plant by using constant pressure method |
| CN104458155A (en) * | 2014-12-04 | 2015-03-25 | 天津津贝尔建筑工程试验检测技术有限公司 | Relative component leakproofness detecting equipment in building field |
| CN104563748A (en) * | 2014-12-09 | 2015-04-29 | 常州市安贞建设工程检测有限公司 | Site sealing device for site airtightness experiment of building outer window |
| CN105716802A (en) * | 2016-04-28 | 2016-06-29 | 沈阳紫微机电设备有限公司 | Air tightness detection equipment for blast gate |
| CN106768727A (en) * | 2016-12-26 | 2017-05-31 | 沪东中华造船(集团)有限公司 | For the close property detecting system and method for Collective Protective System |
| CN107101923A (en) * | 2017-03-01 | 2017-08-29 | 歌尔科技有限公司 | The detection method and device for the water proof type breathable films being used on unmanned plane |
| 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 |
| CN107782509A (en) * | 2016-08-27 | 2018-03-09 | 天津市业洪检测技术发展有限公司 | A kind of novel intelligent door and window detecting system |
| CN108827857A (en) * | 2018-07-16 | 2018-11-16 | 中国建筑科学研究院有限公司 | On-site detection device and detection method for barrier property of particulate matters on outer window |
| CN108956046A (en) * | 2018-07-09 | 2018-12-07 | 尚廷东 | A kind of building element testing machine and its building element test cover |
| CN109115422A (en) * | 2018-07-19 | 2019-01-01 | 芜湖籁余新能源科技有限公司 | A kind of building energy conservation exterior window on-site detecting device |
| CN109540410A (en) * | 2018-10-31 | 2019-03-29 | 天津大学 | Building rate of ventilation test method |
| CN109838871A (en) * | 2017-11-28 | 2019-06-04 | 山西彩云归科技有限公司 | Detect the method and fresh air system of room airtightness |
| CN109974950A (en) * | 2019-05-10 | 2019-07-05 | 青岛理工大学 | Method and system for quickly detecting air permeation part of building |
| CN110031158A (en) * | 2019-05-10 | 2019-07-19 | 青岛理工大学 | Method and system for quantitatively detecting air tightness of motor train unit |
| CN110043500A (en) * | 2019-04-15 | 2019-07-23 | 予哲机电工程咨询(上海)有限公司 | A kind of system of blower fan filtering unit all-round property testing |
| CN111678657A (en) * | 2019-09-29 | 2020-09-18 | 山东省特种设备检验研究院有限公司 | Air leakage field detection method for civil air defense engineering protection equipment |
| CN111693095A (en) * | 2020-07-13 | 2020-09-22 | 北京爱德姆能源科技有限公司 | Air leakage rate measuring device with large cross section or irregular cross section |
| CN112378598A (en) * | 2020-11-13 | 2021-02-19 | 天津建质建设工程检测试验有限公司 | Detection device and detection method for detecting air tightness of building external window |
| CN112763005A (en) * | 2021-01-27 | 2021-05-07 | 河南扬名科技有限公司 | Method for detecting performance of aluminum alloy fireproof window |
| CN114018467A (en) * | 2021-10-18 | 2022-02-08 | 珠海格力电器股份有限公司 | Voltage stabilizer |
| CN117516805A (en) * | 2024-01-03 | 2024-02-06 | 建研院检测中心有限公司 | Calibration method for air permeability measuring system of building exterior door and window |
-
2010
- 2010-03-17 CN CN2010201333292U patent/CN201622159U/en not_active Expired - Fee Related
Cited By (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141162B (en) * | 2011-03-24 | 2012-08-15 | 沈阳合兴检测设备有限公司 | Active buck-boost regulating valve for three natures detecting device of building doors and windows and curtain walls |
| CN102141162A (en) * | 2011-03-24 | 2011-08-03 | 沈阳合兴检测设备有限公司 | Active buck-boost regulating valve for three natures detecting device of building doors and windows and curtain walls |
| CN102829928A (en) * | 2012-08-07 | 2012-12-19 | 常州华东人防设备有限公司 | Multifunctional civil air-defense door debugging and testing platform |
| CN102829928B (en) * | 2012-08-07 | 2015-05-13 | 常州华东人防设备有限公司 | Multifunctional civil air-defense door debugging and testing platform |
| CN103557994A (en) * | 2013-11-21 | 2014-02-05 | 深圳市城市优筑科技有限公司 | External window side seam waterproof detection method and detection device |
| CN104266805B (en) * | 2014-10-28 | 2016-12-07 | 中国核工业华兴建设有限公司 | Constant-voltage method detection nuclear power station gas-tight door bubble-tight detection device and detection method thereof |
| CN104266805A (en) * | 2014-10-28 | 2015-01-07 | 中国核工业华兴建设有限公司 | Detection device and detection method for detecting air tightness of air-tight door of nuclear power plant by using constant pressure method |
| CN104458155A (en) * | 2014-12-04 | 2015-03-25 | 天津津贝尔建筑工程试验检测技术有限公司 | Relative component leakproofness detecting equipment in building field |
| CN104563748A (en) * | 2014-12-09 | 2015-04-29 | 常州市安贞建设工程检测有限公司 | Site sealing device for site airtightness experiment of building outer window |
| CN105716802A (en) * | 2016-04-28 | 2016-06-29 | 沈阳紫微机电设备有限公司 | Air tightness detection equipment for blast gate |
| CN105716802B (en) * | 2016-04-28 | 2018-01-09 | 沈阳紫微机电设备有限公司 | Blast gate air tightness detection equipment |
| CN107782509A (en) * | 2016-08-27 | 2018-03-09 | 天津市业洪检测技术发展有限公司 | A kind of novel intelligent door and window detecting system |
| CN106768727A (en) * | 2016-12-26 | 2017-05-31 | 沪东中华造船(集团)有限公司 | For the close property detecting system and method for Collective Protective System |
| CN106768727B (en) * | 2016-12-26 | 2024-03-26 | 沪东中华造船(集团)有限公司 | Confidentiality detection system and method for collective protection system |
| CN107101923A (en) * | 2017-03-01 | 2017-08-29 | 歌尔科技有限公司 | The detection method and device for the water proof type breathable films being used on unmanned plane |
| CN107101923B (en) * | 2017-03-01 | 2019-08-16 | 歌尔科技有限公司 | It is used in the detection method and device of the water proof type breathable films on unmanned plane |
| 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 |
| CN109838871A (en) * | 2017-11-28 | 2019-06-04 | 山西彩云归科技有限公司 | Detect the method and fresh air system of room airtightness |
| CN108956046A (en) * | 2018-07-09 | 2018-12-07 | 尚廷东 | A kind of building element testing machine and its building element test cover |
| CN108956046B (en) * | 2018-07-09 | 2024-06-07 | 广元建工集团有限公司 | Building element testing machine and building element testing cover thereof |
| CN108827857A (en) * | 2018-07-16 | 2018-11-16 | 中国建筑科学研究院有限公司 | On-site detection device and detection method for barrier property of particulate matters on outer window |
| CN109115422A (en) * | 2018-07-19 | 2019-01-01 | 芜湖籁余新能源科技有限公司 | A kind of building energy conservation exterior window on-site detecting device |
| CN109540410A (en) * | 2018-10-31 | 2019-03-29 | 天津大学 | Building rate of ventilation test method |
| CN110043500A (en) * | 2019-04-15 | 2019-07-23 | 予哲机电工程咨询(上海)有限公司 | A kind of system of blower fan filtering unit all-round property testing |
| CN110043500B (en) * | 2019-04-15 | 2020-11-06 | 予哲机电工程咨询(上海)有限公司 | System for testing comprehensive performance of fan filtering unit |
| CN109974950A (en) * | 2019-05-10 | 2019-07-05 | 青岛理工大学 | Method and system for quickly detecting air permeation part of building |
| CN110031158A (en) * | 2019-05-10 | 2019-07-19 | 青岛理工大学 | Method and system for quantitatively detecting air tightness of motor train unit |
| CN111678657A (en) * | 2019-09-29 | 2020-09-18 | 山东省特种设备检验研究院有限公司 | Air leakage field detection method for civil air defense engineering protection equipment |
| CN111693095A (en) * | 2020-07-13 | 2020-09-22 | 北京爱德姆能源科技有限公司 | Air leakage rate measuring device with large cross section or irregular cross section |
| CN112378598B (en) * | 2020-11-13 | 2022-04-08 | 天津建质建设工程检测试验有限公司 | Detection device and detection method for detecting air tightness of building external window |
| CN112378598A (en) * | 2020-11-13 | 2021-02-19 | 天津建质建设工程检测试验有限公司 | Detection device and detection method for detecting air tightness of building external window |
| CN112763005A (en) * | 2021-01-27 | 2021-05-07 | 河南扬名科技有限公司 | Method for detecting performance of aluminum alloy fireproof window |
| CN114018467A (en) * | 2021-10-18 | 2022-02-08 | 珠海格力电器股份有限公司 | Voltage stabilizer |
| CN117516805A (en) * | 2024-01-03 | 2024-02-06 | 建研院检测中心有限公司 | Calibration method for air permeability measuring system of building exterior door and window |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201622159U (en) | Building exterior window air tightness field detection equipment | |
| CN103063481B (en) | Automatic sampling device for surface source gas | |
| CN208187659U (en) | A kind of test device for external window air tightness detection | |
| CN207610828U (en) | Portable door and window leakproofness field detecting device | |
| CN107543667A (en) | Building doors and windows air-tightness automatic checkout system and control method | |
| CN102735717A (en) | Method for measuring content of formaldehyde in fabrics and system | |
| CN111681793A (en) | Nuclear power plant master control room leakage rate test simulation test device and method | |
| CN217358930U (en) | Air resistance detection device of gas filter | |
| CN108107149A (en) | A kind of intermittent aeration method for measuring Measuring VOC emission characteristics of building materials parameter | |
| CN105716802B (en) | Blast gate air tightness detection equipment | |
| CN207036369U (en) | Building doors and windows air-tightness automatic checkout system | |
| CN206146914U (en) | Automatic dry detection device of gas humidity sensor and casing | |
| CN109342262A (en) | Carbon dioxide detection device | |
| CN201417198Y (en) | Device detecting air tightness of doors and windows on-site | |
| CN207636473U (en) | Natural gas water content rate detection device and natural gas gas recovery facility set group | |
| CN201138273Y (en) | Entire carriage air tightness detecting device | |
| CN207147916U (en) | One kind sampling and integral type β ray flue dust quality weighing instruments of weighing | |
| CN110608847A (en) | External pressure testing system for building gap | |
| CN103411872B (en) | A kind of bulk solid porosity is with regard to storehouse measuring instrument | |
| CN211576948U (en) | Automatic comprehensive smoke and dust tester | |
| CN209559432U (en) | A kind of test equipment of rooms of buildings air-tightness | |
| CN206234977U (en) | A kind of air quality detector device that can control VMC | |
| CN210533944U (en) | Portable β ray smoke concentration meter | |
| CN113405960A (en) | Continuous stable and environmental parameter adjustable circulation dust device and test system | |
| CN206638580U (en) | A kind of indoor formaldehyde rapid determination device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20110317 |