CN213364154U - Air permeation position detection system for fabricated building envelope structure - Google Patents
Air permeation position detection system for fabricated building envelope structure Download PDFInfo
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- CN213364154U CN213364154U CN202022899324.7U CN202022899324U CN213364154U CN 213364154 U CN213364154 U CN 213364154U CN 202022899324 U CN202022899324 U CN 202022899324U CN 213364154 U CN213364154 U CN 213364154U
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Abstract
The utility model discloses an air infiltration position detection system of an assembly type building enclosure structure, which comprises a sealing mechanism, an air extraction mechanism, an infiltration position detection mechanism and a computer, wherein the sealing mechanism is a sealing door frame which is hermetically fixed on an outer door of a room to be detected, the air extraction mechanism comprises a fan and a pressure sensor, the fan is fixed on the sealing door frame, the air supply pipeline penetrates through the sealing door frame from outside to inside, the pressure sensors are respectively arranged inside and outside a room to be detected, the penetration position detection mechanism comprises an infrared heating device, an infrared imaging device and a temperature sensor, the infrared heating device and the infrared imaging device are both installed inside the room to be detected, the temperature sensor is respectively installed inside and outside the room to be detected, and the computer is connected with the pressure sensors, the infrared imaging device and the temperature sensor through a multifunctional data acquisition device and is connected with the fan and the infrared heating device through a controller. The utility model can be used in any season, and has good applicability and universality.
Description
Technical Field
The utility model relates to an assembly type structure enclosure air infiltration position detects technical field, concretely relates to assembly type structure enclosure air infiltration position detecting system.
Background
The building air tightness is an important performance index of a building envelope structure and is one of main factors influencing the energy consumption of a building heating air conditioner. The uncontrollable natural air permeation caused by poor building air tightness leads to the increase of building energy consumption, and further leads to the selection of high-power heating ventilation air-conditioning equipment, and causes the increase of initial investment and the waste of resources. In addition, the air permeation part generates serious cold air or hot air blowing feeling, which affects the comfort of users. The search of the air permeation position is beneficial to evaluating the weak links of the design and construction of the air tightness performance of the building envelope structure, and is beneficial to taking repairing measures to reduce the air leakage of the envelope structure.
The infrared thermal imaging method is an important method for determining the air permeation position of the building envelope at present. Compared with a fuming method, the infrared thermal imaging method has small influence on the indoor environment, but when no heating is carried out in summer, transition seasons or winter, the indoor and outdoor temperature difference is small, the infrared thermal imaging method is difficult to accurately find the air permeation position, and the application of the infrared thermal imaging method is greatly limited.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an assembly type building envelope air infiltration position detecting system to solve the background art technical problem.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
an air infiltration position detection system of an assembly type building envelope structure comprises a sealing mechanism, an air extraction mechanism, an infiltration position detection mechanism and a computer;
the sealing mechanism comprises a sealing door frame which is of a telescopic structure and is fixed on an outer door of a room to be tested in a sealing manner through a fixing support;
the air extraction mechanism comprises a fan, a first pressure sensor and a second pressure sensor, the fan is fixedly arranged on the sealing door frame, an air supply pipeline penetrates through the sealing door frame from outside to inside and is in sealing fit with the contact position of the sealing door frame, and the first pressure sensor and the second pressure sensor are respectively arranged inside and outside a room to be detected;
the penetration position detection mechanism comprises an infrared heating device, an infrared imaging device, a first temperature sensor and a second temperature sensor, wherein the infrared heating device and the infrared imaging device are both arranged in a room to be detected, and the first temperature sensor and the second temperature sensor are respectively arranged on the inner surface and the outer surface of the enclosure structure of the room to be detected;
the computer is connected with the first pressure sensor, the second pressure sensor, the infrared imaging device, the first temperature sensor and the second temperature sensor through the multifunctional data acquisition device and is connected with the fan and the infrared heating device through the controller.
Preferably, the sealing door frame is a blast door structure.
Preferably, the infrared heating device is provided with a standby manual switch, and the standby manual switch is installed outside the room to be tested.
Preferably, the multifunctional data acquisition device and the controller are connected with the computer through WIFI.
Preferably, the air extraction mechanism further comprises a flow meter, the flow meter is installed in an air supply pipeline of the fan, and the computer is connected with the flow meter through a multifunctional data acquisition device.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a blast door seals assembly type building envelope, the size is nimble adjustable, the seal is good, utilize infrared heating device to heat building envelope internal surface, can improve the accuracy that infrared thermal imaging air infiltration position detected, and reduce the heating energy consumption, pass to the computer through multi-functional data acquisition device with infrared thermal imaging device's image simultaneously and survey and store, can effective analysis assembly type building envelope air infiltration position, this system can be at any season accurate discovery building envelope air infiltration position, and it is less to the indoor environment influence, suitability and commonality are better.
Drawings
The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are given by way of illustration only and not by way of limitation, wherein:
fig. 1 is the utility model relates to a schematic diagram of assembled building envelope air infiltration position detecting system.
Reference numerals: the system comprises a blower door 1, a fixed support 2, a fan 3, a flowmeter 4, a first pressure sensor 5, a second pressure sensor 6, an infrared heating device 7, an infrared imaging device 8, a first temperature sensor 9, a second temperature sensor 10, a computer 11, a multifunctional data acquisition device 12 and a controller 13.
Detailed Description
Hereinafter, an embodiment of an air infiltration position detection system of a fabricated building envelope of the present invention will be described with reference to the accompanying drawings. The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
In the description of the present invention, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of the respective portions and the mutual relationships thereof. It should be noted that for the sake of clarity in showing the structures of the various components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.
The principles and features of the present invention are described below in conjunction with the following drawings, the illustrated embodiments are provided to explain the present invention and not to limit the scope of the invention. The preferred embodiment of the present invention will be described in further detail below with reference to fig. 1:
as shown in fig. 1, the present invention discloses a system for detecting air permeation position of an assembly type building envelope structure, which comprises a sealing mechanism, an air extracting mechanism, a permeation position detecting mechanism and a computer 11;
the sealing mechanism comprises a blast door 1, and the blast door 1 is fixed on an outer door of a room to be tested in a sealing manner through a fixing support 2;
the air extraction mechanism comprises a fan 3, a flowmeter 4, a first pressure sensor 5 and a second pressure sensor 6, the fan 3 is fixedly arranged on a sealing door frame, an air supply pipeline penetrates through the sealing door frame from outside to inside and is in sealing fit with the contact position of the sealing door frame, the flowmeter 4 is arranged in the air supply pipeline of the fan 3, and the first pressure sensor 5 and the second pressure sensor 6 are respectively arranged inside and outside a room to be measured;
the penetration position detection mechanism comprises an infrared heating device 7, an infrared imaging device 8, a first temperature sensor 9 and a second temperature sensor 10, wherein the infrared heating device 7 and the infrared imaging device 8 are both arranged in a room to be detected, and the first temperature sensor 9 and the second temperature sensor 10 are respectively arranged on the inner surface and the outer surface of the enclosure structure of the room to be detected;
computer 11 links to each other with flowmeter 4, first pressure sensor 5, second pressure sensor 6, infrared imaging device 8, first temperature sensor 9 and second temperature sensor 10 through multi-functional data acquisition device 12 to link to each other with fan 3 and infrared heating device 7 through controller 13, multi-functional data acquisition device 12 and controller 13 pass through WIFI and keep being connected with computer 11, in order to guarantee going on smoothly that detects when controller 13 trouble in the test process, infrared heating device 7 is equipped with reserve hand switch, reserve hand switch installs in the room outside that awaits measuring.
The working principle of the utility model is as follows:
after the system is installed, setting a test pressure difference on a computer 11, regulating and controlling the rotating speed of a fan of a special fan 3 through a controller 13, pumping air from a detection area by utilizing the special fan 3 to form negative pressure in the detection area, automatically recording the air flow displayed by the reading of a flow meter 4 when the reading difference of an internal pressure sensor and an external pressure sensor in the test area reaches a set value, starting an infrared heating device 7 to heat a building enclosure, shooting a thermal image of the internal surface of the test area enclosure through an infrared imaging device 8 when the difference between the internal surface temperature of the test area enclosure displayed by a first temperature sensor 9 and the outdoor air temperature displayed by a second temperature sensor 10 reaches the set value, uploading the image to the computer 11 through a multifunctional data acquisition device 12 for observation and storage, and observing the thermal image of the internal surface of the test area enclosure, an air infiltration location of the fabricated building envelope is determined.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. The utility model provides an assembled building envelope air infiltration position detecting system which characterized in that: comprises a sealing mechanism, an air extraction mechanism, a permeation position detection mechanism and a computer (11);
the sealing mechanism comprises a sealing door frame which is of a telescopic structure and is hermetically fixed on an outer door of a room to be tested through a fixing support (2);
the air extraction mechanism comprises a fan (3), a first pressure sensor (5) and a second pressure sensor (6), the fan (3) is fixedly arranged on the sealing door frame, an air supply pipeline penetrates through the sealing door frame from outside to inside and is in sealing fit with the contact position of the sealing door frame, and the first pressure sensor (5) and the second pressure sensor (6) are respectively arranged inside and outside a room to be detected;
the penetration position detection mechanism comprises an infrared heating device (7), an infrared imaging device (8), a first temperature sensor (9) and a second temperature sensor (10), wherein the infrared heating device (7) and the infrared imaging device (8) are both arranged in a room to be detected, and the first temperature sensor (9) and the second temperature sensor (10) are respectively arranged on the inner surface and the outer surface of a surrounding structure of the room to be detected;
the computer (11) is connected with the first pressure sensor (5), the second pressure sensor (6), the infrared imaging device (8), the first temperature sensor (9) and the second temperature sensor (10) through the multifunctional data acquisition device (12) and is connected with the fan (3) and the infrared heating device (7) through the controller (13).
2. The system of claim 1, wherein the system comprises: the sealing door frame is of a blast door (1) structure.
3. The system of claim 1, wherein the system comprises: the infrared heating device (7) is provided with a standby manual switch, and the standby manual switch is installed outside a room to be tested.
4. The system of claim 1, wherein the system comprises: the multifunctional data acquisition device (12) and the controller (13) are kept connected with the computer (11) through WIFI.
5. The system of claim 1, wherein the system comprises: the air extraction mechanism further comprises a flow meter (4), the flow meter (4) is installed in an air supply pipeline of the fan (3), and the computer (11) is connected with the flow meter (4) through a multifunctional data acquisition device (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022899324.7U CN213364154U (en) | 2020-12-07 | 2020-12-07 | Air permeation position detection system for fabricated building envelope structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022899324.7U CN213364154U (en) | 2020-12-07 | 2020-12-07 | Air permeation position detection system for fabricated building envelope structure |
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| CN213364154U true CN213364154U (en) | 2021-06-04 |
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| CN202022899324.7U Active CN213364154U (en) | 2020-12-07 | 2020-12-07 | Air permeation position detection system for fabricated building envelope structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001881A (en) * | 2021-10-29 | 2022-02-01 | 山东海瑞林装饰工程有限公司 | Building door and window air tightness detecting system |
| CN116148310A (en) * | 2023-04-21 | 2023-05-23 | 天津市津能滨海热电有限公司 | Infrared thermal imaging-based building envelope detection method |
-
2020
- 2020-12-07 CN CN202022899324.7U patent/CN213364154U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001881A (en) * | 2021-10-29 | 2022-02-01 | 山东海瑞林装饰工程有限公司 | Building door and window air tightness detecting system |
| CN116148310A (en) * | 2023-04-21 | 2023-05-23 | 天津市津能滨海热电有限公司 | Infrared thermal imaging-based building envelope detection method |
| CN116148310B (en) * | 2023-04-21 | 2023-06-23 | 天津市津能滨海热电有限公司 | Infrared thermal imaging-based building envelope detection method |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230808 Address after: 100039 office building 1, 34 Fuxing Road, Haidian District, Beijing Patentee after: CONSTRUCTION PROJECT QUALITY FIRST TESTING INSTITUTE OF BEIJING Address before: 100039 Fuxing Road 34, Beijing, Haidian District Patentee before: BEIJING BUILDING CONSTRUCTION RESEARCH INSTITUTE Co.,Ltd. |
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| TR01 | Transfer of patent right |