CN215985068U - High-temperature high-humidity air duct sealing performance detection device - Google Patents
High-temperature high-humidity air duct sealing performance detection device Download PDFInfo
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- CN215985068U CN215985068U CN202122009382.2U CN202122009382U CN215985068U CN 215985068 U CN215985068 U CN 215985068U CN 202122009382 U CN202122009382 U CN 202122009382U CN 215985068 U CN215985068 U CN 215985068U
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Abstract
The utility model discloses a device for detecting the sealing performance of a high-temperature high-humidity air duct, which comprises a supporting steel pipe and a connecting hose, wherein air bags and guide plates are arranged on two sides of the supporting steel pipe and are responsible for forming a sealed space in the air duct, an air pressure sensor and an air outlet structure are arranged in the middle of the supporting steel pipe, the air bags and the air outlet structure are respectively connected with different hoses on the supporting steel pipe, air inlet control valves are respectively arranged on the hoses, the air inflation operation is completed through an inflator pump, the air inlet control valves and the air pressure sensor are connected with an analog-to-digital converter and an upper computer through communication lines, and the upper computer is responsible for detecting the air pressure change value. The device can be used for detecting the local air tightness of the air channel, and has the advantages of rapidness and convenience.
Description
Technical Field
The utility model belongs to an air conditioning system in ocean engineering, and particularly relates to a high-temperature high-humidity air duct tightness detection device.
Background
The normal use and good heat preservation capability of the air duct are established on the basis that the air duct has enough tightness. The effective leakproofness in wind channel both can reduce the influence of external environment to wind channel internal pressure, temperature, also can avoid the pipeline to leak the destruction that causes external environment.
At present, most of the connection technologies of the air ducts adopt a bolt flange connector, a clamp connector, a sleeve connector and the like, and the sealing performance of the air ducts is poor. Meanwhile, in practical engineering, after the air duct in a high-humidity and high-temperature environment is sealed by the sealant, the air duct is operated under severe conditions for a long time, so that the sealing performance of the sealant at the sealing part is reduced, and the ventilation efficiency is reduced.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a device for detecting the sealing performance of a high-temperature high-humidity air duct, which can conveniently detect the sealing capacity of the joint of the air duct particularly under the high-temperature high-humidity engineering environment condition and is convenient for workers to timely maintain and replace the failed pipeline.
The utility model relates to a device for detecting the sealing performance of a high-temperature high-humidity air duct, which comprises sealing structures respectively arranged at the left side and the right side of the air duct, wherein each sealing structure comprises a sealing air bag for plugging a pipeline, each sealing air bag is connected with one end of a supporting steel pipe, the opposite ends of the two supporting steel pipes are respectively fixedly connected with one end of a hose arranged in the air duct, an air pressure measuring sensor for measuring the air pressure in the air duct is respectively arranged on the two supporting steel pipes close to the hose, each sealing air bag is communicated with the supporting steel pipe at the same side through a first air inlet hose provided with a first air inlet control valve, an air outlet structure is respectively connected onto each supporting steel pipe, the air outlet structure comprises an air cavity fixed on the supporting steel pipes, and a plurality of air outlets are arranged on the air cavity, the air cavity is communicated with the support steel pipe through a second air inlet hose provided with a second air inlet control valve; two the connection structure of support steel pipe and sealed gasbag do: the outer end of the support steel pipe sequentially penetrates through the inner side guide plate, the sealing air bag and the outer side guide plate and is fixedly sealed with the sealing air bag through a sealing nut, and one support steel pipe is connected with the inflator pump through the sealing nut; the air pressure measuring sensor, the first air inlet control valve and the second air inlet control valve are respectively connected with an analog-to-digital converter through communication lines, the analog-to-digital converter is connected with an upper computer through a communication line, and the upper computer is connected with a control motor of the air pump through the communication line.
Compared with the prior art, the utility model has the beneficial effects that:
this structure utilizes sealed gasbag as the structure at isolated pipeline both ends, not only can form more sealed space, can protect the pipeline not receive the stereoplasm extrusion simultaneously, and accessible sensor detects the interior atmospheric pressure change of pipeline and judges the pipeline leakproofness. Simple and convenient effectual wind channel leakproofness detection device more is applicable to the pipeline of comparatively running under the abominable condition, makes things convenient for the staff in time to maintain and change pipeline connection structure.
Drawings
FIG. 1 is a schematic view of the overall structure of a high-temperature high-humidity air duct tightness detection device according to the present invention;
FIG. 2 is a schematic view of a connection control structure of the apparatus shown in FIG. 1;
FIG. 3 is a schematic view of a sealing structure of the device shown in FIG. 1;
fig. 4 is a schematic view of the gas outlet structure of the apparatus shown in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings, the device for detecting the air duct tightness at high temperature and high humidity of the utility model comprises sealing structures 2 respectively arranged at the left side and the right side of an air duct 1, each sealing structure 2 comprises a sealing air bag 2-1 for plugging a pipeline, each sealing air bag 2-1 is connected with one end of a supporting steel tube 7, the opposite ends of the two supporting steel tubes 7 are respectively and fixedly connected with one end of a hose 4 arranged in the air duct 1, an air pressure measuring sensor 5 for measuring the air pressure in the air duct 1 is respectively arranged on the two supporting steel tubes 7 close to the hose, each sealing air bag 2-1 is communicated with the supporting steel tube 7 at the same side through a first air inlet hose 2-4 provided with a first air inlet control valve 2-3, an air outlet structure 3 is respectively connected on each supporting steel tube 7, the air outlet structure 3 comprises an air cavity fixed on a support steel pipe 7, a plurality of air outlets 3-1 are formed in the air cavity, and the air cavity is communicated with the support steel pipe 7 through a second air inlet hose 3-3 provided with a second air inlet control valve 3-2.
The connecting structure of the two support steel pipes 7 and the sealing air bag 2-1 is as follows: the outer end of the support steel pipe 7 sequentially penetrates through the inner side guide plate 2-2, the sealing air bag 2-1 and the outer side guide plate and is sealed and fixed with the sealing air bag 2-1 through a sealing nut 8. One of the supporting steel pipes 7 is connected with the inflator pump 6 through a sealing nut 8.
The air pressure measuring sensor 5, the first air inlet control valve 2-3 and the second air inlet control valve 3-2 are respectively connected with an analog-to-digital converter 9 through communication lines, the analog-to-digital converter 9 is connected with an upper computer 10 through a communication line, the analog-to-digital converter 9 converts analog signals into digital signals, then the digital signals are transmitted to the upper computer 10 through the communication line, and the upper computer 10 is connected with a control motor of the inflator 6 through the communication line.
The working principle of the device is as follows:
when the air duct tightness is detected, an initial air pressure value is set in the upper computer 10, the sealing structures 2 are respectively arranged at two sides of the air duct, the upper computer 10 starts the inflator pump 6, the first air inlet control valve 2-3 is opened, the second air inlet control valve 3-2 is closed, air blown out by the inflator pump 6 enters the sealing air bags 2-1 at two sides through the supporting steel pipe 7 and the hose 4 by the first air inlet hose 2-4, the sealing air bags 2-1 expand to seal two ends of the air duct 1, after the sealing at two sides of the air duct 1 is finished, the first air inlet control valve 2-3 is closed, the second air inlet control valve 3-2 is opened, air is inflated into the closed air duct through the second air inlet hose 3-3, the two air pressure measuring sensors 5 detect the pressure value in the closed air duct and transmit an analog signal to the analog-to-digital converter 9, the analog-to-digital converter 9 converts an analog signal into a digital signal and transmits the digital signal to the upper computer 10, when the pressure value in the air duct reaches an initial air pressure value, the second air inlet control valve 3-2 is closed, the upper computer 10 observes the air pressure change in the closed air duct 1 within a period of time, if the air pressure change is small, the air duct sealing performance is good, and if the air pressure value drops fast, the air duct sealing performance is poor, and the joint of the detected air duct part needs to be sealed again.
Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.
Claims (1)
1. The utility model provides a high temperature and high humidity wind channel leakproofness detection device which characterized in that: comprises sealing structures respectively arranged at the left side and the right side of an air duct, each sealing structure comprises a sealing air bag for plugging a pipeline, each sealing air bag is connected with one end of a supporting steel pipe, the opposite ends of the two supporting steel pipes are respectively fixedly connected with one end of a hose arranged in the air duct, an air pressure measuring sensor for measuring the air pressure in the air duct is respectively arranged on the two supporting steel pipes close to the hose, each sealing air bag is communicated with the supporting steel pipe on the same side through a first air inlet hose provided with a first air inlet control valve, each supporting steel pipe is respectively connected with an air outlet structure, the air outlet structure comprises an air cavity fixed on the supporting steel pipe, the air cavity is provided with a plurality of air outlets and is communicated with the support steel pipe through a second air inlet hose provided with a second air inlet control valve;
two the connection structure of support steel pipe and sealed gasbag do: the outer end of the support steel pipe sequentially penetrates through the inner side guide plate, the sealing air bag and the outer side guide plate and is fixedly sealed with the sealing air bag through a sealing nut, and one support steel pipe is connected with the inflator pump through the sealing nut;
the air pressure measuring sensor, the first air inlet control valve and the second air inlet control valve are respectively connected with an analog-to-digital converter through communication lines, the analog-to-digital converter is connected with an upper computer through a communication line, and the upper computer is connected with a control motor of the air pump through the communication line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122009382.2U CN215985068U (en) | 2021-08-25 | 2021-08-25 | High-temperature high-humidity air duct sealing performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122009382.2U CN215985068U (en) | 2021-08-25 | 2021-08-25 | High-temperature high-humidity air duct sealing performance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215985068U true CN215985068U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122009382.2U Active CN215985068U (en) | 2021-08-25 | 2021-08-25 | High-temperature high-humidity air duct sealing performance detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN215985068U (en) |
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2021
- 2021-08-25 CN CN202122009382.2U patent/CN215985068U/en active Active
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