CN111693095A - Air leakage rate measuring device with large cross section or irregular cross section - Google Patents
Air leakage rate measuring device with large cross section or irregular cross section Download PDFInfo
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- CN111693095A CN111693095A CN202010589685.3A CN202010589685A CN111693095A CN 111693095 A CN111693095 A CN 111693095A CN 202010589685 A CN202010589685 A CN 202010589685A CN 111693095 A CN111693095 A CN 111693095A
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- film sleeve
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- air leakage
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/18—Supports or connecting means for meters
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention provides a large-section or irregular-section air leakage rate measuring device. The large-section or irregular-section air leakage quantity measuring device comprises a film sleeve, one side of the film sleeve is attached to a wall body and the ground, a door frame is arranged on the wall body, a door plate is arranged in the door frame, a door seam is arranged between the door frame and the door plate, and the film sleeve covers the door seam in the film sleeve; the sealing device is used for sealing and installing the film sleeve on the wall body; and the air exhaust metering device is arranged on one side of the film sleeve, which is far away from the wall body. The air leakage measuring device with the large section or the irregular section has the advantages of convenience in installation, intuitionistic judgment and simplicity and convenience in measuring operation.
Description
Technical Field
The invention relates to the technical field of measuring equipment, in particular to a large-section or irregular-section air leakage rate measuring device.
Background
The method comprises the following steps that a certain gap exists between a door, a window and a wall body in a modern building, certain air leakage exists, and for an air opening with a small regular section, a plurality of devices are used for measuring, for example, an air volume measuring cover is used for measuring, the method comprises the steps that the average air speed of the current section is obtained by a static pressure method or a dynamic pressure method, and the air volume is obtained by multiplying the air speed by the sectional area; however, no accurate air volume measuring device exists at present for large-section cavities such as doors and windows of large public buildings and the like or irregular sections with unknown sectional areas.
Therefore, it is necessary to provide a new air leakage quantity measuring device with a large cross section or an irregular cross section to solve the above technical problems.
Disclosure of Invention
The invention solves the technical problem of providing the large-section or irregular-section air leakage rate measuring device which is convenient to install, intuitive in judgment and simple and convenient in measuring operation.
In order to solve the above technical problems, the air leakage rate measuring device with a large cross section or an irregular cross section provided by the invention comprises: the film sleeve is characterized in that one side of the film sleeve is attached to a wall body and the ground, a door frame is arranged on the wall body, a door plate is installed in the door frame, a door seam exists between the door frame and the door plate, and the film sleeve covers the door seam in the film sleeve;
the sealing device is used for sealing and installing the film sleeve on the wall body;
and the air exhaust metering device is arranged on one side of the film sleeve, which is far away from the wall body.
Preferably, the sealing device includes a plurality of first magnets, the first magnets are fixed on the wall and the ground, the first magnets are located in the film sleeve and contact with the film sleeve, the first magnets are provided with second magnets, the second magnets are matched with the first magnets, and the film sleeve is located between the first magnets and the second magnets.
Preferably, one side of the first magnet is provided with a non-setting adhesive, and the first magnet is fixed on the wall and the ground through the non-setting adhesive.
Preferably, the sealing device further comprises an adhesive tape, and the adhesive tape is used for sealing and adhering the edge of the film sleeve to the wall body and the ground.
Preferably, the air exhaust metering device comprises a fan pipeline and a speed-regulating fan, the fan pipeline is connected with an air inlet of the speed-regulating fan in a sealing mode, and the fan pipeline is connected with one side, far away from the wall body, of the film sleeve in a sealing and sleeving mode.
Preferably, the fan pipeline is close to the horn head is installed to the one end of wall body, the film cover is kept away from the elasticity binding off cloth is installed to one side of wall body, the elasticity binding off cloth with horn head looks adaptation.
Preferably, the air inlet of the speed regulation fan is provided with a threaded sleeve, and one end of the fan pipeline is in threaded sleeve connection with the threaded sleeve.
Preferably, fixed mounting has solid fixed ring on the fan pipeline, gu fixed ring keeps away from the seal groove has been seted up to one side of wall body, slidable mounting has the slip ring on the fan pipeline, the slip ring is close to gu one side fixed mounting of fixed ring has the sealing ring, the sealing ring with seal groove looks adaptation.
Preferably, both the top side and the bottom side of the fan pipeline are fixedly provided with limiting strips, the sliding ring is provided with a mounting hole, the mounting hole is matched with the fan pipeline, both the top side and the bottom side of the mounting hole are provided with notches, and the notches are in sliding connection with the limiting strips.
Preferably, fixed mounting has the spacing ring on the fan pipeline, spacing is located the spacing ring with between the solid fixed ring, the top side fixed mounting of spacing ring has the screwed pipe, and the screwed pipe internal thread has cup jointed the lead screw, the lead screw is kept away from the one end of wall body extends to the screwed pipe is and fixed mounting has the handle, the slip ring is close to one side fixed mounting of spacing ring has the bearing frame, the other end of lead screw extends to outside the screwed pipe and with the bearing frame rotates and cup joints.
Compared with the related art, the air leakage measuring device with the large section or the irregular section provided by the invention has the following beneficial effects:
the invention provides a large-section or irregular-section air leakage measuring device which is convenient to install and simple and convenient to measure and operate, and aiming at all air leakage places, whether the sectional area of an air leakage point is regular or not, the air quantity of the section or the air leakage point is directly read by utilizing the corresponding relation between the rotating speed of a known fan and the air quantity through the rotating speed, so that the device is convenient and intuitive, and the blank of measuring the air leakage quantity of cavities and the like of buildings, the sectional area of which cannot be measured, is filled.
Drawings
FIG. 1 is a schematic structural diagram of an air leakage measuring device with a large cross section or an irregular cross section according to a preferred embodiment of the present invention;
FIG. 2 is a side view of the structure of FIG. 1;
fig. 3 is a schematic structural diagram of a large-section or irregular-section air leakage measuring device according to a second embodiment of the present invention;
FIG. 4 is a schematic view of the retaining ring shown in FIG. 3;
fig. 5 is a schematic structural view of the slip ring shown in fig. 3.
Reference numbers in the figures: 1. the air conditioner comprises a film sleeve, 2, a sealing device, 21, a first magnet, 22, a second magnet, 23, an adhesive tape, 24, a tightness closing-up cloth strip, 3, an air exhaust metering device, 31, a fan pipeline, 3101, a fixing ring, 3102, a sealing groove, 3103, a sliding ring, 3104, a sealing ring, 3105, a limiting ring, 3106, a limiting strip, 3107, a notch, 3108, a threaded pipe, 3109, a screw rod, 3110, a bearing seat, 3111, a handle, 3112, a mounting hole, 32, a speed regulation fan, 33, a threaded sleeve, 4, a wall body, 41, a door frame, 42, a door panel, 43 and a door seam.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
The first embodiment:
referring to fig. 1-2, in a first embodiment of the present invention, an apparatus for measuring a leakage air volume with a large cross section or an irregular cross section includes: the film sleeve 1, one side of the film sleeve 1 is attached to a wall 4 and the ground, a door frame 41 is arranged on the wall 4, a door plate 42 is installed in the door frame 41, a door gap 43 is formed between the door frame 41 and the door plate 42, and the film sleeve 1 covers the door gap 43 in the film sleeve 1;
the sealing device 2 is used for sealing and installing the film sleeve 1 on the wall 4 by the sealing device 2;
and the air exhaust metering device 3 is arranged on one side of the film sleeve 1, which is far away from the wall body 1.
The sealing device 2 comprises a plurality of first magnets 21, the first magnets 21 are fixed on the wall 4 and the ground, the first magnets 21 are located in the film sleeve 1 and are in contact with the film sleeve 1, second magnets 22 are arranged on the first magnets 21, the second magnets 22 are matched with the first magnets 21, and the film sleeve 1 is located between the first magnets 21 and the second magnets 22.
One side of the first magnet 21 is provided with a non-setting adhesive, and the first magnet 21 is fixed on the wall 4 and the ground through the non-setting adhesive.
The sealing device 2 further comprises an adhesive tape 23, and the adhesive tape 23 is used for sealing and adhering the edge of the film sleeve 1 to the wall 4 and the ground.
The air exhaust metering device 3 comprises a fan pipeline 31 and a speed regulation fan 32, the fan pipeline 31 is connected with an air inlet of the speed regulation fan 32 in a sealing mode, and the fan pipeline 31 is connected with one side, far away from the wall 4, of the film sleeve 1 in a sealing mode in a sleeved mode.
The air inlet of the speed regulation fan 32 is provided with a threaded sleeve 33, and one end of the fan pipeline 31 is in threaded sleeve connection with the threaded sleeve 33.
The working principle of the air leakage measuring device with the large section or the irregular section provided by the invention is as follows:
firstly, planning a section to be measured, leveling and fixing the film sleeve 1 on the wall 4, and enabling the film sleeve 1 to be tightly attached to the wall 4 by using magnet adsorption, magic tape, double-sided adhesive tape and the like so as to ensure that air leakage is avoided;
the fan pipeline 31 with the horn mouth is stably and fixedly placed, one end with the horn mouth is fixed with the film sleeve 1, then the fan pipeline 31 with the horn mouth is connected with the speed regulation fan 32, and the fan pipeline 31 with the horn mouth plays a role of facilitating the air quantity collected by the film sleeve 1 to pass through the speed regulation fan 32, so that the installation difficulty is simplified;
for the holes with weak air leakage quantity, the film sleeve 1 is blown and expanded, the rotating speed of the speed-regulating fan 32 is regulated at the moment, so that the film sleeve 1 is in a semi-expanded state, and the rotating speed of the speed-regulating fan 32 at the moment is recorded;
the air leakage rate of the hole can be obtained by checking a table of the rotating speed and the air quantity of the speed-regulating fan 32;
when the air volume of the tested hole is large, the diameter of the fan pipeline 31 needs to be increased, the model of the speed regulation fan 32 is also increased, namely, the speed regulation fan 32 with larger air volume at rated rotation speed is selected.
Compared with the related art, the air leakage measuring device with the large section or the irregular section provided by the invention has the following beneficial effects:
the invention provides a large-section or irregular-section air leakage measuring device which is convenient to install and simple and convenient to measure and operate, and aiming at all air leakage places, whether the sectional area of an air leakage point is regular or not, the air quantity of the section or the air leakage point is directly read by utilizing the corresponding relation between the rotating speed of a known fan and the air quantity through the rotating speed, so that the device is convenient and intuitive, and the blank of measuring the air leakage quantity of cavities and the like of buildings, the sectional area of which cannot be measured, is filled.
Second embodiment:
based on the large-section or irregular-section air leakage quantity measuring device provided by the first embodiment of the application, the second embodiment of the application provides another large-section or irregular-section air leakage quantity measuring device. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
The second embodiment of the present invention will be further described with reference to the drawings and the following description.
Referring to fig. 3 to fig. 5, the difference between the present embodiment and the first embodiment is that a fixing ring 3101 is fixedly installed on the fan duct 31, a sealing groove 3102 is formed on one side of the fixing ring 3101 away from the wall 4, a sliding ring 3103 is slidably installed on the fan duct 31, a sealing ring 3104 is fixedly installed on one side of the sliding ring 3103 close to the fixing ring 3101, and the sealing ring 3104 is matched with the sealing groove 3102.
Both the top side and the bottom side of the fan pipeline 31 are fixedly provided with a limiting strip 3106, the sliding ring 3103 is provided with a mounting hole 3112, the mounting hole 3113 is matched with the fan pipeline 31, both the top side and the bottom side of the mounting hole 3112 are provided with a notch 3107, and the notch 3107 is slidably connected with the limiting strip 3106.
A limiting ring 3105 is fixedly mounted on the blower pipeline 31, the limiting strip 3106 is positioned between the limiting ring 3105 and the fixing ring 3101, a threaded pipe 3108 is fixedly mounted on the top side of the limiting ring 3105, a lead screw 3109 is sleeved in an internal thread of the threaded pipe 3108, one end of the lead screw 3109, which is far away from the wall body 4, extends to the threaded pipe 3108, a handle 3111 is fixedly mounted on the threaded pipe 3108, a bearing seat 3110 is fixedly mounted on one side of the sliding ring 3103, which is close to the limiting ring 3015, and the other end of the lead screw 3109 extends out of the threaded pipe 3108 and is rotatably sleeved with the bearing seat 3110.
The fixing ring 3101 is sleeved by the film sleeve 1, the handle 3111 is rotated, the handle 3111 drives the screw 3109 to rotate, the screw 3109 drives the sliding ring 3103 to approach the fixing ring 3101, and when the sealing ring 3104 presses the film sleeve 1 into the sealing groove 3102 and tightly presses, the film sleeve 1 cannot leak air, and the sealing effect is further improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a big cross-section or irregular cross-section's air leakage measuring device which characterized in that includes:
the film sleeve is characterized in that one side of the film sleeve is attached to a wall body and the ground, a door frame is arranged on the wall body, a door plate is installed in the door frame, a door seam exists between the door frame and the door plate, and the film sleeve covers the door seam in the film sleeve;
the sealing device is used for sealing and installing the film sleeve on the wall body;
and the air exhaust metering device is arranged on one side of the film sleeve, which is far away from the wall body.
2. A large-or irregular-section air leakage measuring device according to claim 1, wherein the sealing device comprises a plurality of first magnets, the first magnets are fixed on the wall and the ground, the first magnets are located in the film sleeve and are in contact with the film sleeve, a second magnet is arranged on the first magnets, the second magnet is matched with the first magnet, and the film sleeve is located between the first magnets and the second magnet.
3. The large-section or irregular-section air leakage rate measuring device according to claim 2, wherein a non-setting adhesive is arranged on one side of the first magnet, and the first magnet is fixed on the wall body and the ground through the non-setting adhesive.
4. The large-section or irregular-section air leakage measuring device according to claim 1, wherein the sealing device further comprises an adhesive tape for sealing and adhering the edge of the film sleeve to the wall and the ground.
5. The large-section or irregular-section air leakage measuring device according to claim 1, wherein the exhaust metering device comprises a fan pipeline and a speed-regulating fan, the fan pipeline is hermetically connected with an air inlet of the speed-regulating fan, and the fan pipeline is hermetically sleeved on one side, away from the wall body, of the film sleeve.
6. The large-section or irregular-section air leakage rate measuring device according to claim 5, wherein a horn head is installed at one end, close to the wall body, of the fan pipeline, an elastic closing-up cloth strip is installed at one side, far away from the wall body, of the film sleeve, and the elastic closing-up cloth strip is matched with the horn head.
7. The large-section or irregular-section air leakage rate measuring device according to claim 5, wherein a threaded sleeve is installed at the air inlet of the speed regulation fan, and one end of the fan pipeline is in threaded sleeve connection with the threaded sleeve.
8. The large-section or irregular-section air leakage quantity measuring device according to claim 5, wherein a fixing ring is fixedly mounted on the fan pipeline, a sealing groove is formed in one side, away from the wall, of the fixing ring, a sliding ring is slidably mounted on the fan pipeline, a sealing ring is fixedly mounted on one side, close to the fixing ring, of the sliding ring, and the sealing ring is matched with the sealing groove.
9. The large-section or irregular-section air leakage rate measuring device according to claim 8, wherein a limiting strip is fixedly mounted on each of the top side and the bottom side of the fan pipeline, a mounting hole is formed in the sliding ring and adapted to the fan pipeline, notches are formed in each of the top side and the bottom side of the mounting hole, and the notches are slidably connected with the limiting strips.
10. The large-section or irregular-section air leakage quantity measuring device according to claim 8, wherein a limiting ring is fixedly mounted on the fan pipeline, the limiting bar is located between the limiting ring and the fixing ring, a threaded pipe is fixedly mounted on the top side of the limiting ring, a lead screw is sleeved in a threaded pipe, one end of the lead screw, which is far away from the wall body, extends to the threaded pipe, is provided with a handle, a bearing seat is fixedly mounted on one side, which is close to the limiting ring, of the sliding ring, and the other end of the lead screw extends out of the threaded pipe and is rotatably sleeved with the bearing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010589685.3A CN111693095A (en) | 2020-07-13 | 2020-07-13 | Air leakage rate measuring device with large cross section or irregular cross section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010589685.3A CN111693095A (en) | 2020-07-13 | 2020-07-13 | Air leakage rate measuring device with large cross section or irregular cross section |
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| Publication Number | Publication Date |
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| CN111693095A true CN111693095A (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010589685.3A Pending CN111693095A (en) | 2020-07-13 | 2020-07-13 | Air leakage rate measuring device with large cross section or irregular cross section |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201622159U (en) * | 2010-03-17 | 2010-11-03 | 长沙理工大学 | On-site testing equipment for air tightness of building exterior windows |
| CN107543667A (en) * | 2017-07-17 | 2018-01-05 | 天津大学 | Building doors and windows air-tightness automatic checkout system and control method |
| CN207610828U (en) * | 2017-12-01 | 2018-07-13 | 杨桂林 | Portable door and window leakproofness field detecting device |
| CN208187659U (en) * | 2018-05-23 | 2018-12-04 | 南京德阳科技有限公司 | A kind of test device for external window air tightness detection |
| CN209280214U (en) * | 2018-11-23 | 2019-08-20 | 江苏建盛工程质量鉴定检测有限公司 | The attachment device of doors and windows sealing performance detection |
-
2020
- 2020-07-13 CN CN202010589685.3A patent/CN111693095A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201622159U (en) * | 2010-03-17 | 2010-11-03 | 长沙理工大学 | On-site testing equipment for air tightness of building exterior windows |
| CN107543667A (en) * | 2017-07-17 | 2018-01-05 | 天津大学 | Building doors and windows air-tightness automatic checkout system and control method |
| CN207610828U (en) * | 2017-12-01 | 2018-07-13 | 杨桂林 | Portable door and window leakproofness field detecting device |
| CN208187659U (en) * | 2018-05-23 | 2018-12-04 | 南京德阳科技有限公司 | A kind of test device for external window air tightness detection |
| CN209280214U (en) * | 2018-11-23 | 2019-08-20 | 江苏建盛工程质量鉴定检测有限公司 | The attachment device of doors and windows sealing performance detection |
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Application publication date: 20200922 |
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| RJ01 | Rejection of invention patent application after publication |