CN212621324U - Air collecting equipment for detecting air tightness of doors and windows - Google Patents
Air collecting equipment for detecting air tightness of doors and windows Download PDFInfo
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- CN212621324U CN212621324U CN202021367248.9U CN202021367248U CN212621324U CN 212621324 U CN212621324 U CN 212621324U CN 202021367248 U CN202021367248 U CN 202021367248U CN 212621324 U CN212621324 U CN 212621324U
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Abstract
The utility model provides an air collecting device for detecting the air tightness of doors and windows, which comprises an air collecting box, a pore plate, a sealing frame, an air collecting pipeline and an air measuring device, wherein one end of the air collecting pipeline is connected with the outer side of the air collecting box, and the other end of the air collecting pipeline is connected with the air measuring device; the surface of the pore plate is uniformly provided with a plurality of through holes, is arranged on the inner side of the air collection box and is parallel to the to-be-tested piece; the sealing frame is a splicing frame body, can adapt to pieces to be tested in different sizes, is arranged on the inner side of the pore plate and is positioned between the inner side of the pore plate and the pieces to be tested and is parallel to the pore plate.
Description
Technical Field
The utility model belongs to the technical field of door and window gas tightness check out test set, concretely relates to air collecting device that door and window gas tightness detected usefulness.
Background
With the rapid development of urban construction and modern building technology, doors and windows are the most important parts of the building field, which are communicated with the outside, and the technical detection standard of the doors and windows is more and more scientific and strict. The newly published GBT7106-2019 method for detecting the airtight, watertight and wind pressure resistance of the external door and window of the building puts forward new requirements on the original door and window performance detection equipment. Compared with GBT7106-2008, the new standard makes new improvements and regulations on the aspects of detection equipment structure, detection calculation method, air tightness and wind pressure resistance detection requirements and the like, and the traditional door and window performance detection equipment needs to be upgraded and modified by referring to the method of the new standard.
Patent CN200920090837.4 discloses an on-spot door and window gas tightness detection device, including static pressure case, flowmeter, differential pressure sensor and plastic film, install high pressure positive blower in the static pressure case, the air intake and the external atmosphere intercommunication of static pressure case, the air outlet passes through the air intake intercommunication of pipeline with the flowmeter, plastic film can be connected with the door and window test piece and form a confined space, this confined space passes through the pipeline and is connected in the air outlet and the differential pressure sensor of flowmeter respectively, high pressure positive blower, differential pressure sensor and flowmeter are connected in computer system respectively.
Patent CN201920928982.9 discloses a door and window gas tightness check out test set, which comprises a wall body, arrange the door and window in the wall body in, plastic film, the control box and the ventilation pipe of connection between plastic film and control box, plastic film is equipped with the connecting plate along the periphery, the connecting plate bonds towards one side of wall body and has the double faced adhesive tape, the one side that the double faced adhesive tape deviates from the connecting plate bonds on the wall body, form confined space between plastic film and the door and window, the annular groove has been seted up along the periphery to one side of connecting plate towards the wall body, the intussuseption of annular groove intussuseption expands the sponge, still pour into glue into in the annular groove, the injecting glue mouth that a plurality of confession glue were poured into is.
At present, the equipment structure for detecting the air tightness of doors and windows is simpler, the traditional plastic film is adopted as the sealing device at the air collection side, the stability is poorer, and the detection requirement of modern large-scale door and window test pieces cannot be met. In addition, the traditional detection equipment still has problems in the aspects of flexibly adapting to the size of the door and window test piece, the detection stability and the detection accuracy.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides an air collecting device for detecting the air tightness of doors and windows, which comprises an air collecting box, a pore plate, a sealing frame, an air collecting pipeline and an air measuring device, wherein one end of the air collecting pipeline is connected with the outer side of the air collecting box, and the other end of the air collecting pipeline is connected with the air measuring device; the surface of the pore plate is uniformly provided with a plurality of through holes, is arranged on the inner side of the air collection box and is parallel to the to-be-tested piece; the sealing frame is a splicing frame body, can adapt to pieces to be tested in different sizes, is arranged on the inner side of the pore plate and is positioned between the inner side of the pore plate and the pieces to be tested and is parallel to the pore plate.
The air collection box is a cubic box body with a top surface, a bottom surface and three side surfaces, and one missing side surface is positioned on the inner side surface of the air collection box and is parallel to the piece to be tested and the pore plate. Preferably, the air collection box is composed of buckle boxes with different module sizes, and the size of the air collection box can be flexibly adjusted according to different sizes of the piece to be tested.
Preferably, a pressure gauge is arranged in the air collection box, and more preferably, the pressure gauge is arranged between the pore plate and the air collection box and used for measuring the pressure of the air collection side, so that the air tightness of the piece to be tested is detected.
The lateral surface of the air collecting box is parallel to the pore plate and is far away from the lateral surface of the pore plate, an air collecting pipeline is arranged on the lateral surface, one end of the air collecting pipeline is communicated with the inside of the air collecting box, the other end of the air collecting pipeline is connected with an air measuring device, preferably, a valve is arranged on the air collecting pipeline, and the air flow or the pressure in the air collecting pipeline and the air collecting box can be adjusted according to actual needs.
The air measuring device comprises an air flow meter and a recording analyzer, the recording analyzer is in communication connection with the pressure gauge and the air flow meter, and the air tightness of the piece to be tested is analyzed and calculated.
The area of the pore plate is not less than the area of the inner side surface of the air collecting box and is also not less than the area of a piece to be tested.
The position that orifice plate and air collection box contacted is the solid face of orifice plate, and is preferred, when the area of orifice plate was greater than air collection box medial surface area, the orifice plate through-hole that is in the air collection box outside can use the sticky tape to seal up.
The sealing frame is a square frame body capable of being spliced and comprises four right-angle frames and at least four straight-line frames, the right-angle frames are L-shaped and are located at four top angles of the sealing frame, and the straight-line frames are connected between the two right-angle frames to form a square sealing frame in an enclosing mode. The rectangular frame and the straight line frame are both concave channel steel in the thickness direction, namely the cross sections of the rectangular frame and the straight line frame are concave, so that sealing materials can be filled in the rectangular frame and the straight line frame, the sealing performance of the sealing frame is improved, and the sealing materials are selected from sponge, sealing strips or sealing glue.
The edge of right angle frame and straight line frame is equipped with mosaic structure respectively for right angle frame and straight line frame can dismantle the connection, mosaic structure is selected from multiple connection structure such as draw-in groove and fixture block, screw and bolt, buckle.
Preferably, a sealing strip is arranged between the sealing frame and the pore plate. Preferably, the position where the sealing frame contacts with the orifice plate is a solid plate surface of the orifice plate.
The inner side surface of the sealing frame is in close contact with the edge of the piece to be tested or the mounting frame body or the wall body where the piece to be tested is located, preferably, a sealing strip or a sealing gasket is arranged on the inner side surface of the sealing frame, and finally, a sealed space between the piece to be tested and the air collecting box is formed.
Air collecting equipment collect the side setting at the air the orifice plate can make the air current of air collection side distribute more evenly, not only await measuring a lateral surface air current even, get into the air current moreover have the rectification effect before the air collecting pipe, the homoenergetic improves and detects the accuracy.
Air collecting equipment provide the design of sealed frame, can not only form the airtight environment of stable, rigid air collection side, improve and detect accurate definite, can also adapt to the gas tightness that has the test piece of treating of different surface shapes and detect, sealed frame has certain thickness for certain space has between test piece and the orifice plate, the space can hold handle or other bulge on test piece surface, makes air collecting equipment can adapt to the test piece of treating of more specifications.
Drawings
Fig. 1 is an overall structural view of the air collection apparatus.
Fig. 2 is a structural view of the seal frame.
Fig. 3 is a cross-sectional view of the sealing frame.
In the attached figure, 1-an air collecting box, 2-an orifice plate, 201-a through hole, 3-a sealing frame, 301-a right-angle frame, 302-a straight line frame, 4-an air collecting pipeline, 401-a valve, 5-an air measuring device, 6-a to-be-tested piece, 7-a static pressure box, 8-a detection opening and 9-a sealing strip.
Detailed Description
As shown in fig. 1, the present embodiment provides an air collecting device for detecting air tightness of doors and windows, the air collecting device includes an air collecting box 1, an orifice plate 2, a sealing frame 3, an air collecting duct 4 and an air measuring device 5, one end of the air collecting duct 4 is connected to the outside of the air collecting box 1, and the other end is connected to the air measuring device 5; the surface of the orifice plate 2 is uniformly provided with a plurality of through holes 201, is arranged at the inner side of the air collection box 1 and is parallel to the to-be-tested piece 6; the sealing frame 3 is a frame body capable of being spliced, can adapt to the to-be-tested pieces 6 with different sizes, and the sealing frame 3 is arranged on the inner side of the pore plate 2 and is positioned between the inner side of the pore plate 2 and the to-be-tested pieces 6 and parallel to the pore plate 2, so that the effect of collecting sealed air is achieved.
The test piece 6 to be tested is a door and window test piece to be tested and is installed on a static pressure box 7 of door and window air tightness detection equipment, a detection opening 8 is arranged on one side of the static pressure box 7, the test piece 6 to be tested is installed on the detection opening 8, and an air supply device is arranged on the other side of the static pressure box 7 and is used for air supply of an air tightness detection experiment. One side of the to-be-tested piece 6 is a static pressure box 7, the other side of the to-be-tested piece is the air collecting device in the embodiment, the air supply device provides experimental air for the static pressure box 7, and after the air flow passes through the to-be-tested piece 6, the air flow enters the air collecting side formed by the sealing frame 3 and the air collecting box 1, is discharged by the air collecting pipeline 4 and the air measuring device 5, and detects data.
The air collection box 1 is a cubic box with a top surface, a bottom surface and three side surfaces, and one missing side surface is positioned on the inner side surface of the air collection box 1 and is parallel to the to-be-tested piece 6 and the pore plate 2. Preferably, the air collection box 1 consists of buckling boxes with different module sizes, the size of the air collection box 1 can be flexibly adjusted according to different sizes of the piece to be tested 6, and the buckling boxes are made of steel, aluminum-plastic plates or organic glass. The air collection box 1 replaces a plastic film of the traditional door and window air tightness detection device, so that the stability is greatly improved, and meanwhile, the detection accuracy is also improved.
Preferably, a pressure gauge is provided in the air collection box 1, and more preferably, a pressure gauge is provided between the orifice plate 2 and the air collection box 1 for measuring the pressure on the air collection side, thereby detecting the airtightness of the piece to be tested 6.
The lateral surface of the air collection box 1 is parallel to the pore plate 2 and is far away from the lateral surface of the pore plate 2, the air collection pipeline 4 is arranged on the lateral surface, one end of the air collection pipeline 4 is communicated with the inside of the air collection box 1, the other end of the air collection pipeline is connected with the air measurement device 5, and preferably, the air collection pipeline 4 is provided with a valve 401 which can adjust the air flow or pressure in the air collection pipeline 4 and the air collection box 1 according to actual needs.
The air measuring device 5 comprises an air flow meter and a recording analyzer, can measure the air flow in the air collecting pipeline 4, is in communication connection with the pressure gauge and the air flow meter, and analyzes and calculates the air tightness of the piece to be tested 6. Preferably, the recording analyzer can be connected with an external analysis device, and the detection result is transmitted to the external analysis device, so that remote detection is facilitated.
The pore plate 2 is arranged on the inner side surface of the air collection box 1 and is parallel to the inner side surface of the air collection box 1, and preferably, a sealing strip is arranged between the pore plate 2 and the air collection box 1; the area of the pore plate 2 is not less than the area of the inner side surface of the air collection box 1 and is not less than the area of the piece to be tested 6, and the size of the pore plate 2 can be adjusted according to the size of the actual piece to be tested 6. The surface of the orifice plate 2 is uniformly provided with a plurality of through holes 201 which are distributed in an array, and the diameter of each through hole 201 is 1-5cm, preferably 3-5 cm.
The position that orifice plate 2 and air collection box 1 contacted is the solid face of orifice plate 2, and the position of through-hole 201 avoids contacting with air collection box 1 promptly, and influences the leakproofness between orifice plate 2 and air collection box 1. Preferably, when the area of the orifice plate 2 is larger than the area of the inner side of the air collection box 1, the through hole 201 at the outside of the air collection box 1 may be sealed with an adhesive tape.
As shown in fig. 2-3, the sealing frame 3 is a splicing square frame body, and includes four right-angle frames 301 and at least four straight-line frames 302, the right-angle frames 301 are L-shaped and located at four top corners of the sealing frame 3, the straight-line frames 302 are connected between the two right-angle frames 301 to form a square sealing frame 3, and the square sealing frame 3 is parallel to the to-be-tested piece 6 and the orifice plate 2. The right-angle frame 301 and the straight line frame 302 are both concave channel steel in the thickness direction, that is, the cross sections of the right-angle frame 301 and the straight line frame 302 are concave, so that the interiors of the right-angle frame 301 and the straight line frame 302 can be filled with sealing materials, the sealing performance of the sealing frame is improved, and the sealing materials are selected from sponges, sealing strips or sealing glue.
The edges of the right-angle frame 301 and the straight-line frame 302 are respectively provided with a splicing structure, so that the right-angle frame 301 and the straight-line frame 302 can be detachably connected, and the splicing structure is selected from various connecting structures such as a clamping groove and a clamping block, a screw hole and a bolt, a buckle and the like.
The dimensions of the right-angled frame 301 and the straight-line frame 302 can be adjusted according to the dimensions of the actual test piece 6 to be tested, and the thickness thereof is adjusted according to the properties of the sealing material and the sealing requirements.
The utility model discloses an in a specific embodiment, sealed frame 3 includes four right angle frames 301 and four straight line frames 302, and right angle frame 301 is located four apex angles of sealed frame 3, and straight line frame 302 is connected between two right angle frames 301, encloses into a square sealed frame 3, and the cross sectional shape of right angle frame 301 and straight line frame 302 is the spill to fill the sealing strip, the edge of right angle frame 301 and straight line frame 302 is equipped with draw-in groove and fixture block respectively, makes right angle frame 301 and straight line frame 302 can dismantle the connection.
The sealing frame 3 is arranged on the inner side of the orifice plate 2, namely the outer side surface of the sealing frame 3 is in close contact with the inner side surface of the orifice plate 2, and preferably, a sealing strip 9 is arranged between the sealing frame 3 and the orifice plate 2. Preferably, the position where the sealing frame 3 contacts the orifice plate 2 is a solid plate surface of the orifice plate 2, that is, the position of the through hole 201 avoids contacting the sealing frame 3, and the sealing performance between the orifice plate and the sealing frame is affected.
The inner side surface of the sealing frame 3 is in close contact with the edge of the to-be-tested piece 6 or the mounting frame body or the wall body where the to-be-tested piece 6 is located, namely, the inner side surface of the sealing frame 3 is in close contact with the detection opening 8 of the static pressure box, preferably, the inner side surface of the sealing frame 3 is provided with a sealing strip or a sealing gasket, and finally, a closed space between the to-be-tested piece 6 and the air collection box 1 is formed.
Claims (10)
1. The air collecting equipment for detecting the air tightness of the door and the window is characterized by comprising an air collecting box, an orifice plate, a sealing frame, an air collecting pipeline and an air measuring device, wherein one end of the air collecting pipeline is connected with the outer side of the air collecting box, and the other end of the air collecting pipeline is connected with the air measuring device; the surface of the pore plate is uniformly provided with a plurality of through holes, is arranged on the inner side of the air collection box and is parallel to the to-be-tested piece; the sealing frame is a splicing frame body, can adapt to pieces to be tested in different sizes, is arranged on the inner side of the pore plate and is positioned between the inner side of the pore plate and the pieces to be tested and is parallel to the pore plate.
2. The air collection apparatus of claim 1, wherein the air collection box is a cubic box having a top surface, a bottom surface, and three side surfaces, the missing one of the side surfaces being located on an inner side surface of the air collection box and being parallel to the test piece and the orifice plate; the air collection box is composed of buckle boxes with different module sizes.
3. An air collection device according to claim 2, wherein the aperture plate has an area which is not less than the area of the inner side of the air collection box and which is not less than the area of the part to be tested.
4. The air collection apparatus of claim 3, wherein the location where the orifice plate contacts the air collection box is a solid face of the orifice plate; the area of the pore plate is larger than the area of the inner side surface of the air collection box, and the through hole of the pore plate positioned outside the air collection box is sealed by using an adhesive tape.
5. The air collection device according to claim 1, wherein the sealing frame is a spliced square frame body and comprises four right-angle frames and at least four straight-line frames, the right-angle frames are L-shaped and are positioned at four top corners of the sealing frame, and the straight-line frames are connected between the two right-angle frames to form a square sealing frame;
the cross sections of the right-angle frame and the straight line frame are concave, and sealing materials are filled in the cross sections.
6. The air collection device of claim 5, wherein the edges of the right-angle frame and the straight-line frame are respectively provided with a splicing structure, so that the right-angle frame and the straight-line frame can be detachably connected, and the splicing structure is selected from a clamping groove and a clamping block, a screw hole and a bolt, and a buckle.
7. The air collection device of claim 5, wherein a sealing strip is arranged between the sealing frame and the orifice plate, and the position where the sealing frame contacts with the orifice plate is a solid plate surface of the orifice plate;
the inner side surface of the sealing frame is in close contact with the edge of the piece to be tested or the mounting frame body or the wall body where the piece to be tested is located, and a sealing strip or a sealing gasket is arranged on the inner side surface of the sealing frame to form a closed space between the piece to be tested and the air collecting box.
8. An air collection device according to claim 2, wherein a pressure gauge is provided in the air collection tank, the pressure gauge being provided between the orifice plate and the air collection tank for measuring the pressure on the air collection side.
9. The air collection device of claim 2, wherein the outer side of the air collection box is a side parallel to and away from the orifice plate, and an air collection duct is provided on the outer side, one end of the air collection duct communicating with the inside of the air collection box;
and the air collecting pipeline is provided with a valve for adjusting the air flow or pressure in the air collecting pipeline and the air collecting box.
10. The air collection apparatus of claim 8, wherein the air measurement device comprises an air flow meter and a recording analyzer communicatively coupled to the pressure gauge and the air flow meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021367248.9U CN212621324U (en) | 2020-07-13 | 2020-07-13 | Air collecting equipment for detecting air tightness of doors and windows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021367248.9U CN212621324U (en) | 2020-07-13 | 2020-07-13 | Air collecting equipment for detecting air tightness of doors and windows |
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| Publication Number | Publication Date |
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| CN212621324U true CN212621324U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021367248.9U Active CN212621324U (en) | 2020-07-13 | 2020-07-13 | Air collecting equipment for detecting air tightness of doors and windows |
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| CN (1) | CN212621324U (en) |
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- 2020-07-13 CN CN202021367248.9U patent/CN212621324U/en active Active
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