Device for rapidly detecting air tightness of external window of building

Abstract

The utility model relates to the technical field of building external window air tightness detection, and discloses a building external window air tightness rapid detection device, which comprises a fan body, a plastic film cloth and a wall enclosure structure, a detected external window is arranged on the outer surface of the wall enclosure structure, the output end of the fan body is fixedly communicated with a pipeline, and the pipeline is communicated with the plastic film cloth. According to the building external window air tightness rapid detection device, the external window to be detected is sealed by transparent plastic film cloth with the thickness not smaller than 0.2 mm on the indoor side, it is confirmed that the external window is well sealed, and then external window field air tightness performance detection and pressure difference detection are carried out; according to detection requirements, the air volume adjusting valve is adjusted to control the air speed of the fan body, then detection is conducted through the anemograph, air tightness is detected through the differential pressure gauge, the screw base is in threaded connection with the screw piece, the connecting piece is in sealed communication with the connecting pipe, and therefore the effect that the situation that detection is not efficient enough due to the fact that the installation process is complex during detection is reduced is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of air tightness detection of building exterior windows, in particular to a rapid air tightness detection device for building exterior windows. Background Art

[0002] With the development of social economy and technology, my country proposed the energy conservation and emission reduction goals of carbon peak and carbon neutrality in September 2020, and energy conservation and emission reduction work has been fully launched in various industries. The construction engineering industry plays a vital role in energy conservation and emission reduction. In addition to the impact of electrical equipment, ventilation equipment, air conditioners, lighting fixtures, etc. in the building, the building floor, exterior walls, roof, doors and windows also have an extremely important impact on building energy conservation. The current installation quality of exterior windows seriously affects their airtightness. The higher the airtightness level of exterior windows, the more beneficial it is to building energy conservation. Especially for severely cold areas, cold areas, and areas with hot summers and cold winters, the higher the airtightness level of exterior windows, the lower the energy interaction between indoor and outdoor environments, and the more significant the building energy conservation effect. Therefore, on-site airtightness performance testing of exterior windows is particularly important.

[0003] At present, the process of sealing the external windows is extremely important during the air-tightness test of the external windows. Good sealing conditions are the prerequisite for ensuring the accuracy of the on-site air-tightness test results of the external windows. As a result, the installation process is more complicated during the test, resulting in the problem of inefficient testing. Utility Model Content

[0004] In response to the shortcomings of the existing technology, the utility model provides a rapid air tightness detection device for building exterior windows to solve the problem mentioned in the above background technology that the process of sealing the exterior windows during the air tightness performance detection of the exterior windows is extremely important, and good sealing conditions are the prerequisite for ensuring the accuracy of the on-site air tightness performance detection results of the exterior windows, which leads to a more complicated installation process during the detection and insufficient detection efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for rapid detection of air tightness of building exterior windows, comprising a fan body, a plastic film and a wall enclosure structure, the outer surface of the wall enclosure structure is provided with an inspected exterior window, the output end of the fan body is fixedly connected to a pipe, the outer surface of the pipe is provided with an air volume regulating valve, the pipe is connected to a connecting pipe through the air volume regulating valve, the outer surface of the connecting pipe is provided with an anemometer, the plastic film is sealed and connected to the wall enclosure structure, the outer surface of the plastic film is connected to a connecting piece, the outer surface of the connecting piece is provided with a screw, the outer surface of the connecting pipe is rotatably connected to a screw seat, the screw seat is threadedly connected to the screw, the connecting piece is sealed and connected to the connecting pipe, and the outer surface of the plastic film is provided with a differential pressure gauge.

[0006] Preferably, an adhesive protective cloth is fixedly mounted on the outer surface of the plastic film cloth, a sealing tape is adhesively connected to the outer surface of the adhesive protective cloth, and the sealing tape is adhesively connected to the wall enclosure structure.

[0007] Preferably, the sticky protective cloth is made of thickened PVC material, and the sealing tape is made of traceless tape.

[0008] Preferably, the connecting pipe, pipeline, screw and screw seat are all cylindrical.

[0009] Preferably, an adhesive tape is attached to the outer surface of the connector, and the connector is sealed to the plastic film cloth via the adhesive tape.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] 1. The rapid air tightness detection device for the building's exterior windows seals the exterior windows to be tested with a transparent plastic film with a thickness of not less than 0.2mm on the indoor side, and confirms that the seal is intact. It then performs an on-site air tightness performance test and a pressure difference test on the exterior windows. The air volume regulating valve is adjusted to control the wind speed of the fan body according to the test requirements, and then the anemometer is used for testing, and the differential pressure gauge is used to test the air tightness. The screw seat is threadedly connected to the screw, and the connector is sealed and connected to the connecting pipe, thereby reducing the complexity of the installation process during the test, which leads to inefficient testing.

[0012] 2. The rapid air tightness detection device for building exterior windows has a sticky protective cloth fixedly installed on the outer surface of the plastic film cloth. At the same time, the outer surface of the sticky protective cloth is adhered and connected with a sealing tape, and the sealing tape is adhered and connected to the wall enclosure structure. The plastic film cloth and the wall enclosure structure can be sealed, thereby avoiding the strong adhesion of the sealing tape causing deformation of the plastic film cloth during removal, which affects the use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a side view schematic diagram of the structure of the utility model;

[0015] Figure 3 For the utility model structure Figure 2 Schematic diagram at point A in the middle;

[0016] Figure 4 For the utility model structure Figure 2 Schematic diagram at point B in the middle;

[0017] Figure 5 It is a schematic top view of the structure of the utility model.

[0018] In the figure: 1. Fan body; 2. Pipeline; 3. Air volume control valve; 4. Connecting pipe; 5. Anemometer; 6. Screw seat; 7. Plastic film; 8. Connector; 9. Screw; 10. Adhesive protective cloth; 11. Sealing tape; 12. Wall enclosure structure; 13. Inspected external window; 14. Differential pressure gauge. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] Example 1:

[0021] Please refer to Figure 1-5 ,

[0022] A rapid air tightness detection device for building exterior windows includes a fan body 1, a plastic film 7 and a wall enclosure structure 12. The outer surface of the wall enclosure structure 12 is provided with an inspected exterior window 13. The output end of the fan body 1 is fixedly connected to a pipe 2, the outer surface of the pipe 2 is provided with an air volume regulating valve 3, the pipe 2 is connected to a connecting pipe 4 through the air volume regulating valve 3, the outer surface of the connecting pipe 4 is provided with an anemometer 5, the plastic film 7 is sealed and connected to the wall enclosure structure 12, the outer surface of the plastic film 7 is connected to a connecting piece 8, the outer surface of the connecting piece 8 is provided with a screw 9, the outer surface of the connecting pipe 4 is rotatably connected to a screw seat 6, the screw seat 6 is threadedly connected to the screw 9, the connecting piece 8 is sealed and connected to the connecting pipe 4, and the outer surface of the plastic film 7 is provided with a differential pressure gauge 14.

[0023] Specifically, the exterior window to be tested is sealed with a transparent plastic film 7 with a thickness of not less than 0.2 mm on the indoor side, and the seal is confirmed to be intact, and then an on-site airtightness performance test and pressure difference test of the exterior window are performed. The wind speed of the fan body 1 is controlled by adjusting the air volume regulating valve 3 according to the test requirements, and then the anemometer 5 is used for testing, and the differential pressure gauge 14 is used to test the airtightness. The screw seat 6 is threadedly connected to the screw 9, and the connector 8 is sealed and connected to the connecting pipe 4, thereby achieving the effect of reducing the complexity of the installation process during the test, resulting in inefficient testing.

[0024] In the embodiment, the connecting pipe 4, the pipeline 2, the screw 9 and the screw seat 6 are all cylindrical.

[0025] Specifically, because the connecting pipe 4, pipeline 2, screw 9 and screw seat 6 are all cylindrical, based on the current external window airtightness performance on-site testing instrument, the inner diameter Φ1 of the connecting pipe 4 is 80mm, and the outer diameter Φ2 is 90mm as design parameters, one end of the sealing connector 8 is connected to a 0.2mm transparent plastic film cloth 7, and the other end should be able to meet the requirements of being connected to the connecting pipe 4 for use. Considering the influence of material weight on the ease of use and the connection performance of the connecting pipe 4, the material used for the connecting piece 8 is consistent with the material of the connecting pipe 4, both using PVC material. There are certain pressure difference requirements during the on-site testing process, and the material of the connecting piece 8 needs to remain intact under a pressure difference of 800Pa.

[0026] In the embodiment, the outer surface of the connecting member 8 is adhered with adhesive tape, and the connecting member 8 is sealed to the plastic film 7 through the adhesive tape.

[0027] Specifically, a tape is attached to the outer surface of the connector 8, and the connector 8 is sealed to the plastic film 7 through the tape, so that the plastic film 7 can be replaced when it is broken or damaged. At the same time, the opening on the plastic film 7 is at least 90 mm. In order to ensure that the transparent plastic film and the connecting tube 4 are not detached during the experiment, the opening is generally in the shape of a "cross". The gap of the "cross"-shaped opening facilitates the sealing connection of the connector 8 to the gap through the tape.

[0028] Working principle: It means that the output end of the fan body 1 is fixedly connected with a pipe 2, and an air volume regulating valve 3 is provided on the outer surface of the pipe 2. At the same time, the pipe 2 is connected with a connecting pipe 4 through the air volume regulating valve 3. The outer surface of the connecting pipe 4 is provided with an anemometer 5, and the plastic film 7 is sealed and connected with the wall enclosure structure 12. The outer surface of the plastic film 7 is connected with a connector 8, and the outer surface of the connector 8 is provided with a screw 9. The outer surface of the connecting pipe 4 is rotatably connected with a screw seat 6, the screw seat 6 is threadedly connected to the screw 9, the connecting piece 8 is sealed and connected with the connecting pipe 4, and the outer surface of the plastic film 7 is provided with a differential pressure gauge 14. By using a thick A transparent plastic film cloth 7 with a thickness of not less than 0.2mm is used to seal the exterior window to be tested, and the seal is confirmed to be intact, and then the on-site airtightness performance test and pressure difference test of the exterior window are carried out. The air volume regulating valve 3 is adjusted according to the test requirements to control the wind speed of the fan body 1, and then the anemometer 5 is used for detection, and the differential pressure gauge 14 is used to detect the airtightness. Moreover, the screw seat 6 is threadedly connected to the screw 9, and the connecting piece 8 is sealed and connected to the connecting pipe 4. Compared with the relevant technology, the utility model provides a rapid airtightness detection device for building exterior windows, which has the following beneficial effects: thereby reducing the complexity of the installation process during the test, resulting in insufficient detection efficiency.

[0029] Example 2:

[0030] Please refer to Figure 1-5 ,

[0031] An adhesive protective cloth 10 is fixedly mounted on the outer surface of the plastic film cloth 7 , and a sealing tape 11 is adhered and connected to the outer surface of the adhesive protective cloth 10 , and the sealing tape 11 is adhered and connected to the wall enclosure structure 12 .

[0032] Specifically, a sticky protective cloth 10 is fixedly installed on the outer surface of the plastic film cloth 7, and a sealing tape 11 is glued and connected to the outer surface of the sticky protective cloth 10, and the sealing tape 11 is glued and connected to the wall enclosure structure 12, so that the plastic film cloth 7 and the wall enclosure structure 12 can be sealed and connected, thereby avoiding the strong adhesion of the sealing tape 11 causing deformation of the plastic film cloth 7 during removal, thereby affecting the use.

[0033] In the embodiment, the adhesive protective cloth 10 is made of thickened PVC material, and the sealing tape 11 is made of traceless tape.

[0034] Specifically, because the sticky protective cloth 10 is made of thickened PVC material and the sealing tape 11 is made of traceless tape, damage to the wall is reduced and the service life is increased.

[0035] Working principle: A sticky protective cloth 10 is fixedly installed on the outer surface of the plastic film cloth 7, and a sealing tape 11 is adhered and connected to the outer surface of the sticky protective cloth 10, and the sealing tape 11 is adhered and connected to the wall enclosure structure 12, so that the plastic film cloth 7 and the wall enclosure structure 12 can be sealed. When disassembling, the sealing tape 11 will not remain on the outer surface of the sticky protective cloth 10. Compared with the related art, the utility model provides a rapid air tightness detection device for building exterior windows, which has the following beneficial effects: thereby avoiding the strong viscosity of the sealing tape 11 causing deformation of the plastic film cloth 7 during removal, thereby affecting the use effect.

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rapid air tightness detection device for building exterior windows, comprising a fan body (1), a plastic film (7) and a wall enclosure structure (12), characterized in that: The outer surface of the wall enclosure structure (12) is provided with an inspected outer window (13), the output end of the fan body (1) is fixedly connected to a pipe (2), the outer surface of the pipe (2) is provided with an air volume regulating valve (3), the pipe (2) is connected to a connecting pipe (4) through the air volume regulating valve (3), the outer surface of the connecting pipe (4) is provided with an anemometer (5), the plastic film (7) is sealed and connected to the wall enclosure structure (12), the outer surface of the plastic film (7) is connected to a connecting piece (8), the outer surface of the connecting piece (8) is provided with a screw (9), the outer surface of the connecting pipe (4) is rotatably connected to a screw seat (6), the screw seat (6) is threadedly connected to the screw (9), the connecting piece (8) is sealed and connected to the connecting pipe (4), and the outer surface of the plastic film (7) is provided with a differential pressure gauge (14).

2. A rapid air tightness detection device for building exterior windows according to claim 1, characterized in that: An adhesive protective cloth (10) is fixedly mounted on the outer surface of the plastic film cloth (7), a sealing tape (11) is adhesively connected to the outer surface of the adhesive protective cloth (10), and the sealing tape (11) is adhesively connected to the wall enclosure structure (12).

3. A rapid air tightness detection device for building exterior windows according to claim 2, characterized in that: The sticky protective cloth (10) is made of thickened PVC material, and the sealing tape (11) is made of traceless tape.

4. The rapid air tightness detection device for building exterior windows according to claim 1, characterized in that: The connecting pipe (4), pipeline (2), screw (9) and screw seat (6) are all cylindrical.

5. The rapid air tightness detection device for building exterior windows according to claim 1, characterized in that: The outer surface of the connecting piece (8) is connected with an adhesive tape, and the connecting piece (8) is sealed and connected to the plastic film cloth (7) via the adhesive tape.

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