CN114199466A - Intelligent pressure-bearing building air tightness identification device and method - Google Patents
Intelligent pressure-bearing building air tightness identification device and method Download PDFInfo
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- CN114199466A CN114199466A CN202111665656.1A CN202111665656A CN114199466A CN 114199466 A CN114199466 A CN 114199466A CN 202111665656 A CN202111665656 A CN 202111665656A CN 114199466 A CN114199466 A CN 114199466A
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- 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
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Abstract
The invention provides an intelligent pressure-bearing building air tightness identification device and an identification method, wherein the identification device comprises an air pressurization system, a thermal imaging detection mechanism and a controller, wherein the air pressurization system is communicated with the indoor space of a pressure-bearing building through a pipeline; the air pressurization system is connected with the controller through a circuit; the thermal imaging detection mechanism comprises a movable carrier and an infrared imager, and the movable carrier and the infrared imager are both connected with the controller through wireless signals; the movable carrier is arranged outside the pressure-bearing building and moves along the outer surface of the pressure-bearing building under the action of the controller; the infrared imager is arranged on the movable carrier. The judgment method comprises a judgment method for detecting the air tightness during the assembly test of the pressure-bearing building and a judgment method for detecting the air tightness during the normal operation of the pressure-bearing building after the pressure-bearing building is built. The intelligent control system is simple in structure, wide in application range and high in intelligent degree.
Description
Technical Field
The invention relates to the technical field of air tightness detection, in particular to an intelligent pressure-bearing building air tightness identification device and an identification method.
Background
Mineral products and natural resources of Qinghai-Tibet plateau are rich, but the development of local economy is severely restricted by the influence of severe cold and oxygen deficiency at high altitude. The altitude reaction (such as headache, insomnia, anorexia, tiredness and dyspnea) is easy to occur when the operator enters the plateau area from the plateau area, and the working efficiency of the operator is greatly reduced. In order to solve the problem of altitude stress, people can live and work comfortably by building a positive pressure building in the low pressure environment of the altitude.
The core of the positive building quality is the good air tightness. If the positive pressure building air leakage is too large, the positive pressure relative to the external environment cannot be established. Even if positive pressure is established, excessive air leakage can result in excessive pressure fluctuations within the positive pressure building chamber, and additional energy can be expended to replenish the leaked air. Therefore, after the pressure-bearing building is built, the air tightness of the building needs to be detected, and an air leakage point of the building needs to be processed according to the detection result. The air leakage amount also needs to be detected regularly in the use process of the pressure-bearing building, and the found air leakage point is sealed and maintained.
At present, no special device for detecting the air tightness of the pressure-bearing building exists in the industry. The existing air tightness detection equipment is characterized in that a resistance wire is placed inside an object to be detected, the resistance wire is electrified to heat air, and a plurality of thermal infrared imagers which are fixedly arranged outside are used for monitoring the heat leakage condition of the whole object to be detected and determining the air leakage position. The air tightness detection device is narrow in application space range, and a plurality of thermal infrared imagers are required to be arranged on the periphery of a detected object, so that the device is complex in structure and complex in operation.
Disclosure of Invention
The invention aims to provide an intelligent pressure-bearing building air tightness identification device, which has the following specific technical scheme:
an intelligent pressure-bearing building air tightness identification device comprises an air pressurization system, a thermal imaging detection mechanism and a controller, wherein the air pressurization system is communicated with the indoor space of a pressure-bearing building through a pipeline; the air pressurization system is connected with the controller through a circuit; the thermal imaging detection mechanism comprises a movable carrier and an infrared imager, and the movable carrier and the infrared imager are both connected with the controller through wireless signals; the movable carrier is arranged outside the pressure-bearing building and moves along the outer surface of the pressure-bearing building under the action of the controller; the infrared imager is arranged on the movable carrier.
Preferably, the intelligent pressure-bearing building air tightness identification device further comprises a pressure sensor, wherein the pressure sensor is arranged indoors of the pressure-bearing building and is connected with the controller through a circuit.
Preferably, a brake is arranged on the movable carrier and is connected with the controller through a circuit.
Preferably, the mobile carrier is provided with a brake, and the mobile carrier further comprises a terminal device, wherein the terminal device is electrically connected with the controller.
The second purpose of the invention is to provide an identification method for detecting the air tightness of an intelligent pressure-bearing building air tightness identification device during the assembly test of the pressure-bearing building, which comprises the following steps:
step S1, sending an air tightness detection command to a controller by using terminal equipment, starting an air pressurization system to operate by using the controller, and conveying outside air into a pressure-bearing building after the outside air is pressurized and heated by the air pressurization system;
step S2, when the pressure sensor detects that the air pressure in the pressure-bearing building reaches a set value, the controller sends a shutdown instruction to the air pressurization system by analyzing air pressure data fed back by the pressure sensor, and simultaneously starts the movable carrier and the infrared imager; the movable carrier runs along joints among wall plates of a pressure-bearing building through a preset program in the controller, and the infrared imager synchronously detects the heat leakage condition of the joints to obtain a first detection image;
step S3, the infrared imager transmits the first detection image to the controller, the controller feeds back a processing result to the terminal device after processing, and the terminal device displays whether the pressure-bearing building has an air leakage condition; and if so, displaying the specific air leakage position through the terminal equipment.
The third purpose of the invention is to provide an identification method for detecting the air tightness of an intelligent pressure-bearing building air tightness identification device during normal operation after the pressure-bearing building is built, which comprises the following steps:
step A1, after the pressure-bearing building is qualified in factory inspection and stably runs, the terminal equipment starts the movable carrier and the infrared imager through the controller to detect seams among wallboards of the pressure-bearing building under various different outside air temperatures one by one to obtain reference images corresponding to the different outside air temperatures, and the reference images are stored in the controller;
step A2, starting an air pressurization system to operate by using terminal equipment through a controller, continuously introducing constant-temperature pressurized air into a pressure-bearing building, and maintaining the indoor air pressure to be stable;
a3, sending an air tightness detection command to a controller by using terminal equipment, and starting a movable carrier and an infrared imager by the controller; the movable carrier runs along the joints among the wall plates of the pressure-bearing building through a preset program in the controller, and the infrared imager synchronously detects the heat leakage condition of the joints to obtain a second detection image;
step A4, the infrared imager transmits the second detection image to the controller, the controller calls the reference image which is obtained in the step A1 and corresponds to the same temperature as the second detection image, the reference image is compared and processed, the processing result is fed back to the terminal equipment, and the terminal equipment displays whether the pressure-bearing building has the air leakage condition; if so, the terminal device displays the specific air leakage deterioration position.
The technical scheme of the invention has the following beneficial effects:
the intelligent pressure-bearing building air tightness identification device starts an air pressurization system through a controller to pressurize and heat outside air or pressurize at constant temperature and send the air into the pressure-bearing building, and when the indoor air pressure reaches a set value or the air pressure is stable; the movable carrier and the infrared imager are started through the controller, so that the heat leakage condition of the joint between the wallboards of the pressure-bearing building is detected. The first detection image or the second detection image obtained by detection is processed by the controller and then fed back to the terminal equipment, and the terminal equipment displays whether the pressure-bearing building has an air leakage condition; if yes, the specific air leakage position is displayed through the terminal device, so that the operators can be helped to quickly perform sealing repair or return to the factory for maintenance on the pressure-bearing building. The infrared imager is arranged on the movable carrier, can move freely when infrared detection is realized, has high degree of freedom, is not limited by the size of an object to be detected, and has wide application range. The intelligent control system is simple in structure, wide in application range and high in intelligent degree.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of an intelligent pressure-bearing building air tightness identification device in embodiment 1 of the present invention;
the system comprises an air pressurization system 1, a controller 2, a movable carrier 3, an infrared imager 4, a terminal device 5 and a pressure-bearing building W.
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 that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
Example 1:
referring to fig. 1, the intelligent pressure-bearing building air tightness identification device comprises an air pressurization system 1, a thermal imaging detection mechanism and a controller (specifically, a conventional commercially available controller) 2, wherein the air pressurization system 1 is communicated with the indoor space of a pressure-bearing building W through a pipeline; the air pressurization system 1 is connected with the controller 2 through a circuit; the thermal imaging detection mechanism comprises a movable carrier 3 and an infrared imager 4, and the movable carrier 3 and the infrared imager are connected with the controller 2 through wireless signals; the movable carrier 3 is arranged outside the pressure-bearing building W and moves along the outer surface of the pressure-bearing building W under the action of the controller 2; the infrared imager 4 is disposed on the moving carrier 3.
The intelligent pressure-bearing building air tightness identification device further comprises a pressure sensor (not shown in the figure), wherein the pressure sensor is arranged indoors of the pressure-bearing building W and is connected with the controller 2 through a circuit.
The moving carrier 3 is provided with a brake (not shown in the figure), and the brake is connected with the controller 2 through a circuit so as to control the moving carrier 3 to stop running in time.
The intelligent pressure-bearing building air tightness identification device further comprises a terminal device 5 (specifically a display), wherein the terminal device 5 is electrically connected with the controller 2.
An identification method of the intelligent pressure-bearing building air tightness identification device, such as air tightness detection in pressure-bearing building assembly test, comprises the following steps:
step S1, sending an air tightness detection command to the controller 2 by using the terminal device 5, starting the air pressurization system 1 to operate through the controller 2, and pressurizing and heating the outside air by the air pressurization system 1 and then sending the outside air into the pressure-bearing building W;
step S2, when the pressure sensor detects that the air pressure in the pressure-bearing building W reaches a set value, the controller 2 sends a shutdown instruction to the air pressurization system 1 by analyzing air pressure data fed back by the pressure sensor, and simultaneously starts the movable carrier 3 and the infrared imager 4; the movable carrier 3 runs along the joints among the wallboards of the pressure-bearing building W through a preset program (existing program) in the controller 2, and the infrared imager 4 synchronously detects the heat leakage condition of the joints to obtain a first detection image;
step S3, the infrared imager 4 transmits the first detection image to the controller 2, the controller 2 feeds back a processing result to the terminal device 5 after processing, and the terminal device 5 displays whether the pressure-bearing building W has an air leakage condition; if yes, the specific air leakage position is displayed through the terminal device 5, so that the operator can repair or return to the factory to process the pressure-bearing building W.
In addition, the invention also discloses an identification method of the intelligent pressure-bearing building air tightness identification device, in particular to air tightness detection when the pressure-bearing building is built and normally runs, which comprises the following steps:
step A1, after the pressure-bearing building W is qualified in factory inspection and stably runs, the terminal device 5 starts the movable carrier 3 and the infrared imager 4 through the controller 2 to detect seams among wallboards of the pressure-bearing building W under various different outside air temperatures one by one, so as to obtain reference images corresponding to different outside air temperatures, and the reference images are stored in the controller 2;
step A2, starting the air pressurization system 1 to operate by using the terminal equipment 5 through the controller 2, continuously introducing constant-temperature pressurized air into the pressure-bearing building W, and maintaining the indoor air pressure to be stable;
step A3, sending an air tightness detection command to the controller 2 by using the terminal device 5, and starting the mobile carrier 3 and the infrared imager 4 by the controller 2; the movable carrier 3 runs along the joints among the wallboards of the pressure-bearing building W through a preset program (existing program) in the controller 2, and the infrared imager 4 synchronously detects the heat leakage condition of the joints to obtain a second detection image;
step A4, the infrared imager 4 transmits the second detection image to the controller 2, the controller 2 calls the reference image which is obtained in the step A1 and corresponds to the second detection image at the same temperature, the reference image is compared and processed, the processing result is fed back to the terminal device 5, and the terminal device 5 displays whether the pressure-bearing building W has air leakage or not; if yes, the terminal device 5 displays the specific air leakage deterioration position to help operators to seal and maintain the pressure-bearing building W.
The intelligent pressure-bearing building air tightness identification device starts the air pressurization system 1 through the controller 2 to pressurize and heat the outside air or pressurize at constant temperature and send the air into the pressure-bearing building W, and when the indoor air pressure reaches a set value or the air pressure is stable; the controller 2 starts the movable carrier 3 and the infrared imager 4 to complete the detection of the heat leakage condition of the joints between the wallboards of the pressure-bearing building W. The first detection image or the second detection image obtained through detection is processed by the controller 2 and then fed back to the terminal equipment 5, and whether the pressure-bearing building W has an air leakage condition or not is displayed through the terminal equipment 5; if yes, the specific air leakage position is displayed through the terminal device 5, so that the operator can be helped to quickly perform sealing repair or return to the factory for maintenance on the pressure-bearing building W. The infrared imager 4 is arranged on the movable carrier 3, can move freely when infrared detection is realized, has large degree of freedom, is not limited by the size of an object to be detected, and has wide application range. The intelligent control system is simple in structure, wide in application range and high in intelligent degree.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The intelligent pressure-bearing building air tightness identification device is characterized by comprising an air pressurization system (1), a thermal imaging detection mechanism and a controller (2), wherein the air pressurization system (1) is communicated with the interior of a pressure-bearing building through a pipeline; the air pressurization system (1) is connected with the controller (2) through a circuit; the thermal imaging detection mechanism comprises a movable carrier (3) and an infrared imager (4), and the movable carrier and the infrared imager are both connected with the controller (2) through wireless signals; the movable carrier (3) is arranged outside the pressure-bearing building and moves along the outer surface of the pressure-bearing building under the action of the controller (2); the infrared imaging instrument (4) is arranged on the movable carrier (3).
2. The intelligent pressure-bearing building air tightness identification device according to claim 1, further comprising a pressure sensor, wherein the pressure sensor is arranged indoors in the pressure-bearing building and is connected with the controller (2) through a circuit.
3. The intelligent pressure-bearing building air tightness identification device according to claim 2, wherein a brake is arranged on the movable carrier (3), and the brake is connected with the controller (2) through a circuit.
4. The intelligent pressure-bearing building air tightness identification device according to claim 3, characterized by further comprising a terminal device (5), wherein the terminal device (5) is electrically connected with the controller (2).
5. An identification method adopting the intelligent pressure-bearing building air tightness identification device as claimed in claim 4, characterized by comprising the following steps:
s1, sending an air tightness detection command to the controller (2) by using the terminal equipment (5), starting the air pressurization system (1) to operate through the controller (2), and pressurizing and heating the outside air by the air pressurization system (1) and then sending the outside air into the pressure-bearing building;
step S2, when the pressure sensor detects that the air pressure in the pressure-bearing building reaches a set value, the controller (2) sends a shutdown instruction to the air pressurization system (1) by analyzing air pressure data fed back by the pressure sensor, and simultaneously starts the movable carrier (3) and the infrared imager (4); the movable carrier (3) runs along joints among wall plates of a pressure-bearing building through a preset program in the controller (2), and the infrared imager (4) synchronously detects the heat leakage condition of the joints to obtain a first detection image;
step S3, the infrared imager (4) transmits the first detection image to the controller (2), the controller (2) feeds back a processing result to the terminal device (5) after processing, and the terminal device (5) displays whether the pressure-bearing building has an air leakage condition; if yes, the specific air leakage position is displayed through the terminal equipment (5).
6. An identification method adopting the intelligent pressure-bearing building air tightness identification device as claimed in claim 4, characterized by comprising the following steps:
step A1, after the pressure-bearing building is qualified in factory inspection and stably runs, the terminal device (5) starts the movable carrier (3) and the infrared imager (4) through the controller (2) to detect seams among wallboards of the pressure-bearing building under the conditions of various different outside temperatures one by one, so as to obtain reference images corresponding to the different outside temperatures, and the reference images are stored in the controller (2);
step A2, starting the air pressurization system (1) to operate by using the terminal equipment (5) through the controller (2), continuously introducing constant-temperature pressurized air into the pressure-bearing building, and maintaining the indoor air pressure to be stable;
a3, sending an air tightness detection command to a controller (2) by using a terminal device (5), and starting a movable carrier (3) and an infrared imager (4) by using the controller (2); the movable carrier (3) runs along the joints among the wall plates of the pressure-bearing building through a preset program in the controller (2), and the infrared imager (4) synchronously detects the heat leakage condition of the joints to obtain a second detection image;
step A4, the infrared imager (4) transmits the second detection image to the controller (2), the controller (2) calls the reference image which is obtained in the step A1 and corresponds to the second detection image at the same temperature, the reference image is compared and processed, the processing result is fed back to the terminal device (5), and the terminal device (5) displays whether the pressure-bearing building has air leakage or not; if yes, the terminal device (5) displays the specific air leakage deterioration position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111665656.1A CN114199466A (en) | 2021-12-31 | 2021-12-31 | Intelligent pressure-bearing building air tightness identification device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111665656.1A CN114199466A (en) | 2021-12-31 | 2021-12-31 | Intelligent pressure-bearing building air tightness identification device and method |
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| Publication Number | Publication Date |
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| CN114199466A true CN114199466A (en) | 2022-03-18 |
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| CN202111665656.1A Pending CN114199466A (en) | 2021-12-31 | 2021-12-31 | Intelligent pressure-bearing building air tightness identification device and method |
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