CN203203771U - Air leakage testing device for single-section air duct and component thereof in ventilation and air conditioning system - Google Patents

Air leakage testing device for single-section air duct and component thereof in ventilation and air conditioning system Download PDF

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Publication number
CN203203771U
CN203203771U CN 201320219775 CN201320219775U CN203203771U CN 203203771 U CN203203771 U CN 203203771U CN 201320219775 CN201320219775 CN 201320219775 CN 201320219775 U CN201320219775 U CN 201320219775U CN 203203771 U CN203203771 U CN 203203771U
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CN
China
Prior art keywords
air
airduct
hose
tested
unit
Prior art date
Application number
CN 201320219775
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Chinese (zh)
Inventor
李猛
赵宝元
吴楠
熊宝彤
刘杨
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天津三建建筑工程有限公司安装分公司
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Application filed by 天津三建建筑工程有限公司安装分公司 filed Critical 天津三建建筑工程有限公司安装分公司
Priority to CN 201320219775 priority Critical patent/CN203203771U/en
Application granted granted Critical
Publication of CN203203771U publication Critical patent/CN203203771U/en

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Abstract

The utility model discloses an air leakage testing device for a single-section air duct and components thereof in a ventilation and air conditioning system. The structural component of the air leakage testing device comprises an air compressor, a connecting hose, an adjusting valve, a digital gas flowmeter, a measured single-section air duct, a galvanized steel pipe and a pressure gauge, wherein both ends of the connecting hose are respectively connected with the air compressor and the measured single-section air duct, a connecting hose pipeline is provided with the adjusting valve and the digital gas flowmeter in sequence, the bottom end of the galvanized steel pipe is connected to the right side of the measured single-section air duct, and the top part thereof is provided with the pressure gauge. The air leakage testing device has the advantages of being simple, easy to manufacture, and low in cost, and has the beneficial effects that field testing can be carried out for the single-section air duct, a bend pipe thereof, a vent valve, a t-branch pipe and a silencer component, the air leakage calculation is simple and accurate, and problems existing in the production of the single-section air duct and the components thereof can be found and corrected in time, thereby increasing the working efficiency.

Description

The air leakage amount testing device of single-unit airduct and parts thereof in the ventilation and air conditioning system
Technical field
The utility model relates to a kind of air conditioner air channel proving installation that leaks out, and specifically relates to the air leakage amount testing device of single-unit airduct in a kind of ventilation and air conditioning system and parts thereof.Be applicable to the on-the-spot test of airduct, ventilation valve inleakage.
Background technology
Airduct, by adopting metal, nonmetal thin plate or other materials are made, and are used for the pipeline of circulation of air.Inleakage refers to pass through in the air-line system single-unit air duct structure and interface thereof, the air body accumulated amount of releasing in the unit interval or infiltrating under a certain static pressure.Air leakage rate testing is normally used for energy-conservation, clean field and central air conditioner unit equipment air leakage rate testing.Inleakage is the index that the intensity of equipment under test and tightness are tested, and it is one of important indicator of weighing airduct, air-valve processing quality.Air pipe air leakage testing device, it is the isolated plant of inleakage, is applicable to the ventilate test of the tightness quality such as airduct in the empty system, fire resisting damper and variable valve of hotel, restaurant and public work.
In the prior art, the heating ventilation and air-conditioning air pipe air leakage testing device is comprised of blower fan, flow controller, pressure measurement instrument and honeycomb screen mostly.The defective that this air leakage amount testing device exists: it can not be to single-unit airduct and parts (bend pipe thereof, breather valve, three-way pipe and exhaust box) inleakage carry out Site Detection, can only test airduct piping system internal surface area greater than the inleakage of the system of 100 ㎡, and its test result is not directly perceived, calculate and convert and correction loaded down with trivial details (used uncertain parameter is many), the value out of true of leaking out of gained.
Chinese utility model patent instructions " " a kind of airduct and parts air leakage amount testing device thereof " Granted publication CN2068951Y (March 31 2004 Granted publication day) has disclosed the technical scheme that solves the defective that exists in the above-mentioned prior art: by an air compressor; by flexible pipe accent (gas) pressure valve that connects of impermeability with it, the gas meter of readable and U-shaped voltage stabilizer form.This is installed on and is used for test single-unit single-unit airduct and parts inleakage process, also Shortcomings part in the scene: data recording is loaded down with trivial details, fitting operation is complicated, accessory is backward, cost is high.
The utility model content
The purpose of this utility model is for the technological deficiency that exists in the prior art, and provides a kind of plant investment little, and test result data is accurately reliable, the air leakage amount testing device that can test single-unit airduct in the ventilation and air conditioning system and parts thereof simple in structure.
For realizing the purpose of this utility model, the technical scheme that adopts is:
The air leakage amount testing device of single-unit airduct and parts thereof in a kind of ventilation and air conditioning system, it is characterized in that: its construction package comprises air compressor, connecting hose, variable valve, the numeral gas meter, tested single-unit airduct, coating steel pipe and tensimeter, setting position and the connected mode thereof of described each construction package are as follows:
Described connecting hose, its two ends are connected with tested single-unit airduct with air compressor respectively, be provided with successively variable valve and digital gas dosing meter on the connecting hose pipeline, the bottom of described coating steel pipe is connected to tested single-unit airduct right side, and its top is provided with tensimeter.
Described connecting hose, its caliber be≤plastic hose of 100mm.
Described tested single-unit airduct and parts thereof are respectively tested airduct body and comprise bend pipe, breather valve, three-way pipe and exhaust box.
Beneficial effect:
Compared with prior art, the utlity model has following beneficial effect:
1, of the present utility modelly adopts connecting hose at connecting line, can adapt to various on-the-spot test conditions, convenient test.
2, can carry out on-the-spot test to single-unit airduct and parts thereof, Calculation of Air Leakage gradual change and accurate can be found in time that the problem that single-unit airduct and parts thereof exist is aborning in time corrected, thereby can increase work efficiency.
3, the utility model is owing to adopting digital gas meter, and the test data that can directly read gas is according to the computing formula of tested single-unit airduct and parts inleakage thereof; Table surface area in inleakage=tested airduct of gas meter ÷, the permission inleakage of measured inleakage and single-unit airduct and parts thereof contrasts, but just whether in-situ determination single-unit airduct and parts thereof meet state quality standard.
4, the utility model device is simple and easy, is easy to make, and cost is low.
Description of drawings
Fig. 1 is the utility model structural representation.
Among Fig. 1: 1 air compressor; 2 connecting hoses; 3 variable valve; 4 digital gas meters; 5 tested single-unit airducts; 6 galvanized conduits; 7 tensimeters.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing and preferred embodiment.
Embodiment
Referring to Fig. 1, the air leakage amount testing device of single-unit airduct and parts thereof in a kind of ventilation and air conditioning system, its construction package comprises air compressor 1, connecting hose 2, variable valve 3, digital gas meter 4, tested single-unit airduct 5, coating steel pipe 6 and tensimeter 7, setting position and the connected mode thereof of described each construction package are as follows:
Described connecting hose 2, its two ends are connected with tested single-unit airduct 5 with air compressor 1 respectively, be provided with successively variable valve 3 and digital gas dosing meter 4 on connecting hose 2 pipelines, the bottom of described coating steel pipe 6 is connected to tested single-unit airduct 5 right sides, and its top is provided with tensimeter 7.
Described connecting hose 2, its caliber be≤plastic hose of 100mm.
Described tested single-unit airduct 5 and parts thereof are respectively tested single-unit airduct 5 bodies and comprise bend pipe, breather valve, three-way pipe and exhaust box.
In the utility model, described air compressor 1, model V-0.17/8, rotating speed 1150r/min, discharge capacity 170m 3/ min, rated power 1.5KW, rated discharge pressure 0.8 MPa, manufacturer is the dynamo-electric company limited of Shanghai pendant prestige.
Described digital gas meter 4, model LUXB, flow range 3.0-30m 3/ h, 1.0 grades of accuracy, pressure 1.6/1.0MPa, manufacturer is this secret special precision instrument company limited of Tianjin.
Described tensimeter 7,, pressure 1.6MPa, manufacturer is the Tianjin peculiar limit of Wanda's Floex company.
Described connecting hose 2 and variable valve 3 are the commercially available prod.
Concrete operation step of the present utility model is as follows:
1, open air compressor 1 before, detect connected flexible pipe 2 junctions with foam method and whether leak gas.
2, open air compressor 1 and variable valve 3, cause air pressure value to reach tested single-unit airduct 5 and parts thereof and bear 1.5 times of force value, estimate tensimeter 7 stability states after 10 seconds, and whether tested single-unit airduct 5 and parts junction thereof occur breaking, if without damage, directly read the flow value of gas meter 4.
3, the calculating of the inleakage of single-unit airduct
Tested single-unit airduct 5 specifications are 1800mm * 500mm * 600mm, and its effectively computable area is 3.96 ㎡, and it bears air pressure value is 450pa, and allowing inleakage is 5.6 m 3/ hm 2, meter readings is 15.4m 3/ h.Namely the inleakage of this airduct is 15.4m 3/ h ÷ 3.96 ㎡=3.89 m 3/ hm 2Recording the airduct inleakage is 3.89 m 3/ hm 2, less than allowing 5.6 m that leak out 3/ hm 2
The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (3)

1. the air leakage amount testing device of single-unit airduct and parts thereof in the ventilation and air conditioning system, it is characterized in that: its construction package comprises air compressor (1), connecting hose (2), variable valve (3), numeral gas meter (4), tested single-unit airduct (5), coating steel pipe (6) and tensimeter (7), setting position and the connected mode thereof of described each construction package are as follows:
The two ends of described connecting hose (2) are connected with tested single-unit airduct (5) with air compressor (1) respectively, on connecting hose (2) pipeline, be provided with successively variable valve (3) and digital gas dosing meter (4), the bottom of described coating steel pipe (6) is connected to tested single-unit airduct (5) right side, and its top is provided with tensimeter (7).
2. the air leakage amount testing device of single-unit airduct and parts thereof in the 1 described ventilation and air conditioning system as requested is characterized in that: described connecting hose (2), its caliber be≤and the plastic hose of 100mm.
3. the air leakage amount testing device of single-unit airduct and parts thereof in the described ventilation and air conditioning system according to claim 1, it is characterized in that: described tested single-unit airduct (5) is tested airduct body (5), and described and parts comprise bend pipe, breather valve, three-way pipe and exhaust box.
CN 201320219775 2013-04-25 2013-04-25 Air leakage testing device for single-section air duct and component thereof in ventilation and air conditioning system CN203203771U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320219775 CN203203771U (en) 2013-04-25 2013-04-25 Air leakage testing device for single-section air duct and component thereof in ventilation and air conditioning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320219775 CN203203771U (en) 2013-04-25 2013-04-25 Air leakage testing device for single-section air duct and component thereof in ventilation and air conditioning system

Publications (1)

Publication Number Publication Date
CN203203771U true CN203203771U (en) 2013-09-18

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105547613A (en) * 2016-01-05 2016-05-04 中国海洋石油总公司 Airduct leakage detection method of drilling platform
CN106679899A (en) * 2016-11-25 2017-05-17 中国建筑第八工程局有限公司 Air duct tightness testing method
CN108180399A (en) * 2017-12-30 2018-06-19 陕西建工安装集团有限公司 A kind of metal bellows air leakage rate check method
CN108871704A (en) * 2018-05-21 2018-11-23 中冶建工集团有限公司 The detection method of more piece splicing air hose tightness
CN111059587A (en) * 2018-10-17 2020-04-24 宁波方太厨具有限公司 Central flue system and sealing state detection method thereof
US10684188B2 (en) 2015-11-18 2020-06-16 Carrier Corporation System and method for determining duct leakage in a HVAC system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10684188B2 (en) 2015-11-18 2020-06-16 Carrier Corporation System and method for determining duct leakage in a HVAC system
CN105547613A (en) * 2016-01-05 2016-05-04 中国海洋石油总公司 Airduct leakage detection method of drilling platform
CN106679899A (en) * 2016-11-25 2017-05-17 中国建筑第八工程局有限公司 Air duct tightness testing method
CN108180399A (en) * 2017-12-30 2018-06-19 陕西建工安装集团有限公司 A kind of metal bellows air leakage rate check method
CN108180399B (en) * 2017-12-30 2019-09-10 陕西建工安装集团有限公司 A kind of metal bellows air leakage rate check method
CN108871704A (en) * 2018-05-21 2018-11-23 中冶建工集团有限公司 The detection method of more piece splicing air hose tightness
CN111059587A (en) * 2018-10-17 2020-04-24 宁波方太厨具有限公司 Central flue system and sealing state detection method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160620

Address after: 300000 No. eight north latitude road, Hedong District, Tianjin, 17

Patentee after: Tianjin Sanjian Construction Engineering Co., Ltd.

Address before: 300170 Tianjin City Hedong District eight weft Road No. 25

Patentee before: Mounting Branch Co. of Tianjin Sanjian Building Engineering Co., Ltd.

Effective date of registration: 20160620

Address after: 300000 No. eight north latitude road, Hedong District, Tianjin, 17

Patentee after: Tianjin Sanjian Construction Engineering Co., Ltd.

Address before: 300170 Tianjin City Hedong District eight weft Road No. 25

Patentee before: Mounting Branch Co. of Tianjin Sanjian Building Engineering Co., Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20200325

Address after: 300170 No. eight north latitude road, Hedong District, Tianjin, 17

Co-patentee after: TIANJIN JINBEIER CONSTRUCTIONAL ENGINEERING TESTING DETECTION TECHNOLOGY Co.,Ltd.

Patentee after: TIANJIN SANJIAN CONSTRUCTION ENGINEERING Co.,Ltd.

Address before: 300000 No. eight north latitude road, Hedong District, Tianjin, 17

Patentee before: TIANJIN SANJIAN CONSTRUCTION ENGINEERING Co.,Ltd.