CN104458142A - Floating air bag leak test device - Google Patents
Floating air bag leak test device Download PDFInfo
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- CN104458142A CN104458142A CN201410834055.2A CN201410834055A CN104458142A CN 104458142 A CN104458142 A CN 104458142A CN 201410834055 A CN201410834055 A CN 201410834055A CN 104458142 A CN104458142 A CN 104458142A
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- air bag
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Abstract
The invention discloses a floating air bag leak test device which is characterized in that the space is partitioned into chambers separately, the chambers comprise a temperature control chamber and an environment control chamber, and an air supply chamber is arranged at the top of the temperature control chamber and the top of the environment control chamber; a heating device and a refrigerating unit are arranged in the temperature control chamber, a speed-adjustable centrifugal fan is further arranged in the temperature control chamber, and a circulation airflow channel is formed through the centrifugal fan, wherein airflow from the temperature controller sequentially flows through the air supply chamber and the environment control chamber and then flows back to the temperature control chamber; a vacuum pump is arranged and is used for controlling the environment control chamber to be of the set air pressure. By means of the floating air bag leak test device, the temperature environments of floating air bags at different moments in different atmospheres can be simulated, and the detection result is made to be quicker and more precise.
Description
Technical field
The present invention relates to floating air bag inspection machine, is more particularly a kind of floating air bag leak test device, in order to realize hunting leak to floating air bag in space environmental simulation.
Background technology
Aerostatics is as a kind of aircraft relying on buoyancy to go up to the air, there is the unique advantages such as cost is low, the fixed point hang time is long, load-carrying ability is large, noise is low, energy ezpenditure is little, security is good, efficiency-cost ratio is high, have purposes and good prospect widely at many civil areas such as communications and transportation, environmental monitoring, remote sensing communication, sightseeing tour, emergency management and rescue.The buoyancy of aerostatics derives from the utricule of floating air bag built with light gas such as helium, and impermeability is an important technology index of air bag, and it is not only related to security and the airborne period of air bag, also affects the economy that it uses.The leak of balloon surface will cause the stress of utricule exception to concentrate and Leakage Gas, and airship envelope occurs not only can affect airborne period when leaking and the serviceable life greatly affecting aerostatics, and serious also may cause the security incidents such as crash.Therefore, the detection that the situation of leaking may occur in residing environment for air bag is extremely important.
For the leak detection of floating air bag in prior art, carry out in the indoor of large space, general employing direct pressure leak detecting is hunted leak, this leak hunting method can not control temperature, and the impact of temperature on this leak hunting method is larger, sometimes the impact of temperature exceedes the impact of leakage itself, causes testing result to be judged by accident.
Summary of the invention
The present invention is the weak point for avoiding existing for above-mentioned prior art, provides a kind of floating air bag leak test device, to enable the impact of the leak test integrated temperature for floating air bag, makes its test findings have more practical significance.
The present invention is that technical solution problem adopts following technical scheme:
Floating air bag leak test device of the present invention, it is characterized in that: described test unit is spatially independently divided is each room, comprise the temperature-controlled chamber and environmental control room that are disposed adjacent in the first from left right side, and have plenum chamber to be in the top of described temperature-controlled chamber and environmental control room; In described temperature-controlled chamber, be respectively arranged with well heater and refrigeration unit, and the centrifugal blower of adjustable speed is set, utilize described centrifugal blower to form the circulating current passage being back to temperature-controlled chamber by temperature-controlled chamber successively through plenum chamber and environmental control room again; Vacuum pump is set, utilize vacuum pump control environment pulpit for setting air pressure.
Floating air bag leak test device of the present invention, its design feature is: on the top board of described temperature-controlled chamber, arrange the wind pushing hole be connected with described plenum chamber; The top board of described environmental control room is set to mesh plate, and described mesh plate makes described environment plenum chamber and plenum chamber form separation spatially, is provided with the return air hole be connected with described temperature-controlled chamber in the bottom of the sidewall of described environmental control room.
Floating air bag leak test device of the present invention, its design feature is built into framework with aluminium section bar, forms closed keeping warmth space at the outer setting polyurethane thermal insulation board of described framework.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, the invention enables the leak test for floating air bag can the impact of integrated temperature, test findings has more practical significance.
2, temperature-controlled chamber and environmental control room arrange by separating between different functional areas by the present invention, circulate, are easier to simulate different operating modes, and prevent the uneven of Yin Wendu local, cause air bag utricule to damage with air-flow.
3, the present invention utilizes vacuum pump can simulate differing heights atmospheric condition, and can realize Rapid Variable Design.
4, the present invention arranges porous plate between plenum chamber and environmental control room, utilizes porous plate to make air-flow flush system flow through tested air bag, can reach set temperature fast, and obtain uniform temperature field.
Accompanying drawing explanation
Fig. 1 is facade structures schematic diagram of the present invention;
Fig. 2 is spatial structure of the present invention signal;
Number in the figure: 1 framework, 2 warming plates, 3 temperature-controlled chambers, 4 environmental control rooms, 5 well heaters, 6 refrigeration unit, 8a first temperature sensor, 8b second temperature sensor, 8c three-temperature sensor, 8d the 4th temperature sensor, 8e the 5th temperature sensor, 9 plenum chambers, 10 centrifugal blowers, 11 mesh plates, 12 tested air bags, 13 wind pushing holes, 14 return air holes.
Embodiment
See Fig. 1 and Fig. 2, in the present embodiment, floating air bag leak test device is spatially independently divided is each room, comprise the temperature-controlled chamber 3 and environmental control room 4 that are disposed adjacent in the first from left right side, and have plenum chamber 9 to be in the top of temperature-controlled chamber 3 and environmental control room 4.
The top board of temperature-controlled chamber 3 arranges the wind pushing hole 13 be connected with plenum chamber 9; The top board of environmental control room 4 is set to mesh plate 11, mesh plate 11 makes environment plenum chamber 4 and plenum chamber 9 form separation spatially, and make air-supply even as rectifying device, be provided with the return air hole 14 be connected with temperature-controlled chamber 3 in the bottom of the sidewall of environmental control room 4.
In the present embodiment, well heater 5 and refrigeration unit 6 is respectively arranged with in temperature-controlled chamber 3, and the centrifugal blower 10 of adjustable speed is set, utilize centrifugal blower 10 to form the circulating current passage being back to temperature-controlled chamber 3 by temperature-controlled chamber 3 successively through plenum chamber 9 and environmental control room 4 again; Vacuum pump 7 is set, utilize vacuum pump 7 control environment pulpit 4 be setting air pressure.
As shown in Figure 2, in the present embodiment, whole device is built into framework 1 with aluminium section bar, form at the outer setting polyurethane thermal insulation board 2 of framework 1 keeping warmth space closed, experimentally require fast to enable experimental provision, accurately, stably simulate different environmental aspects
In experimentation, experimental temperature is set from the temperature variation of-10 DEG C to+70 DEG C, temperature variation is one grade with 5 DEG C to carry out the control that heats up or lower the temperature, centrifugal blower is utilized to accelerate air circulation, porous plate is set, air-flow through porous plate with tiling form entered environment pulpit 4, and act on tested air bag, more uniform temperature field is obtained on the one hand in environmental control room 4, the detected temperatures of each temperature sensor on diverse location is reached unanimity, comprise the first temperature sensor 8a arranging and arrange for well heater 5, for the second temperature sensor 8b that refrigeration unit is arranged, be arranged on the three-temperature sensor 8c on mesh plate 11, be arranged on the 4th temperature sensor 8d on the base plate diverse location of environmental control room 4 and the 5th temperature sensor 8e, tested air bag 12 is made to be subject to the effect of air-flow on the other hand.
In experimentation, in tested air bag 12, mainly fill air or helium, utilize vacuum pump 7 according to the rarefied content of different free air for environmental control room 4 provides the air pressure of setting.
Claims (3)
1. a floating air bag leak test device, it is characterized in that: described test unit is spatially independently divided is each room, comprise the temperature-controlled chamber (3) and environmental control room (4) that are disposed adjacent in the first from left right side, and have plenum chamber (9) to be in the top of described temperature-controlled chamber (3) and environmental control room (4); Well heater (5) and refrigeration unit (6) is respectively arranged with in described temperature-controlled chamber (3), and the centrifugal blower (10) of adjustable speed is set, utilize described centrifugal blower (10) to form the circulating current passage being back to temperature-controlled chamber (3) by temperature-controlled chamber (3) successively through plenum chamber (9) and environmental control room (4) again; Vacuum pump (7) is set, utilize vacuum pump (7) control environment pulpit (4) be setting air pressure.
2. floating air bag leak test device according to claim 1, is characterized in that: on the top board of described temperature-controlled chamber (3), arrange the wind pushing hole (13) be connected with described plenum chamber (9); The top board of described environmental control room (4) is set to mesh plate (11), described mesh plate (11) makes described environment plenum chamber (4) and plenum chamber (9) form separation spatially, is provided with the return air hole (14) be connected with described temperature-controlled chamber (3) in the bottom of the sidewall of described environmental control room (4).
3. floating air bag leak test device according to claim 1, it is characterized in that: described device is built into framework (1) with aluminium section bar, form at the outer setting polyurethane thermal insulation board (2) of described framework (1) keeping warmth space closed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410834055.2A CN104458142A (en) | 2014-12-26 | 2014-12-26 | Floating air bag leak test device |
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CN201410834055.2A CN104458142A (en) | 2014-12-26 | 2014-12-26 | Floating air bag leak test device |
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CN104458142A true CN104458142A (en) | 2015-03-25 |
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CN201410834055.2A Pending CN104458142A (en) | 2014-12-26 | 2014-12-26 | Floating air bag leak test device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107044904A (en) * | 2016-12-26 | 2017-08-15 | 东莞前沿技术研究院 | The detection method of utricule gas leakage |
CN108181049A (en) * | 2017-12-21 | 2018-06-19 | 重庆晓微城企业孵化器有限公司 | A kind of watertightness airtightness test table blow-dry device |
CN109733640A (en) * | 2018-12-11 | 2019-05-10 | 北京临近空间飞艇技术开发有限公司 | A kind of Large Airship utricule pressure maintaining test method that high-air-tightness requires |
-
2014
- 2014-12-26 CN CN201410834055.2A patent/CN104458142A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107044904A (en) * | 2016-12-26 | 2017-08-15 | 东莞前沿技术研究院 | The detection method of utricule gas leakage |
CN108181049A (en) * | 2017-12-21 | 2018-06-19 | 重庆晓微城企业孵化器有限公司 | A kind of watertightness airtightness test table blow-dry device |
CN108181049B (en) * | 2017-12-21 | 2019-07-23 | 重庆晓微城企业孵化器有限公司 | A kind of watertightness airtightness test table blow-dry device |
CN109733640A (en) * | 2018-12-11 | 2019-05-10 | 北京临近空间飞艇技术开发有限公司 | A kind of Large Airship utricule pressure maintaining test method that high-air-tightness requires |
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Application publication date: 20150325 |
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