CN112268662A - Door and window safety detection method and system - Google Patents
Door and window safety detection method and system Download PDFInfo
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- CN112268662A CN112268662A CN202011532028.1A CN202011532028A CN112268662A CN 112268662 A CN112268662 A CN 112268662A CN 202011532028 A CN202011532028 A CN 202011532028A CN 112268662 A CN112268662 A CN 112268662A
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- G—PHYSICS
- 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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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Abstract
The invention discloses a method and a system for detecting the safety of doors and windows, which are suitable for detecting the safety of building outer doors and outer windows, wherein the detection method comprises the following steps: and (3) detecting the air tightness: the device is used for detecting the capacity of preventing air from permeating when the door and the window are in a normal closing state; and (3) detecting the watertight performance: the device is used for detecting the capability of preventing rainwater from leaking under the simultaneous action of wind and rain when the door and the window are in a normal closing state; and (3) detecting the wind pressure resistance: the device is used for detecting the capability of preventing the door and the window from being damaged and dysfunctional under the action of wind pressure when the door and the window are in a normal closing state; the air tightness performance detection comprises the following steps: air permeability of the test piece; according to the invention, through arranging the test box, the displacement detection mechanism, the pressure supply module, the water spraying module, the detection module, the control system and the like, the air tightness performance, the water tightness performance and the wind pressure resistance performance of the door and the window can be detected, the test piece does not need to be repeatedly disassembled and assembled, the process is simple, the operation is convenient and fast, and the efficiency of detecting the safety performance of the door and the window is greatly improved.
Description
Technical Field
The invention relates to the field of door and window detection, in particular to a door and window safety detection method and system.
Background
The sealing performance of building enclosure structures such as door and window curtain walls directly influences the energy-saving performance and the indoor living comfort level of buildings. Along with the increase of the service life of the building, the door and window curtain wall in service influences the poor sealing performance of the door and window curtain wall due to the fact that the sealing material is aged to lose efficacy, hardware is deformed and the like, so that indoor and outdoor heat convection is increased, the level of building operation energy consumption is increased, indoor thermal environment and air quality are influenced, and the living comfort level is reduced. In severe cases, serious problems such as water leakage and glass falling can occur, thereby affecting the service life of buildings and even causing safety accidents. Therefore, the method has important significance for guaranteeing the energy conservation and the building safety in researching, detecting and evaluating the sealing performance and the use safety and reliability of the door and the window.
At present, a plurality of detection devices are generally needed to be adopted for detecting the safety performance of doors and windows at home and abroad, the performance of the doors and windows is tested in sequence, the process is complicated, the operation is complex, and the efficiency is low.
Disclosure of Invention
The present invention is directed to a method and a system for detecting security of doors and windows to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a door and window safety detection method is suitable for safety detection of an outer door and an outer window of a building, and comprises the following steps:
and (3) detecting the air tightness: the device is used for detecting the capacity of preventing air from permeating when the door and the window are in a normal closing state;
and (3) detecting the watertight performance: the device is used for detecting the capability of preventing rainwater from leaking under the simultaneous action of wind and rain when the door and the window are in a normal closing state;
and (3) detecting the wind pressure resistance: the device is used for detecting the capability of preventing the door and the window from being damaged and dysfunctional under the action of wind pressure in a normal closing state.
As a further scheme of the invention: the air tightness performance detection comprises the following steps:
air permeability of the test piece: the amount of air passing through the specimen per unit time in a standard state;
additional air permeation amount: the amount of air permeation through the apparatus and the portion of the test piece connected to the test chamber, in addition to the amount of air permeation through the test piece itself.
As a further scheme of the invention: the watertight performance detection includes: and gradually increasing the air pressure in the test box while spraying water on the test piece until rainwater continuously seeps or splashes out of the interface of the test piece, and continuously recording the seepage part of the test piece and the seepage state of the part in the test process.
As a further scheme of the invention: the wind pressure resistance performance detection includes: and recording the deformation state of the test piece by utilizing a plurality of displacement sensors in a graded pressurizing state, and checking whether the test piece is damaged or has dysfunction before and after each pressurizing test.
The detection system comprises a test box, a test piece, a displacement detection mechanism, a pressure supply module, a water spraying module, a detection module and a control system, wherein the outer wall of the test box is provided with an installation frame for fixing the test piece.
As a further scheme of the invention: the control system comprises a controller and a man-machine interaction module.
As a further scheme of the invention: the pressure supply module comprises an air supply pipe, the air outlet end of the air supply pipe penetrates through the outer wall of the test box and then is located in the test box, the outer wall of the air supply pipe is provided with a gas flow valve, the air inlet end of the air supply pipe is provided with air supply equipment, and the inner wall of the test box is fixedly connected with a wind shield at the corresponding position of the air outlet end of the air supply pipe.
As a further scheme of the invention: the trickle module includes riser, inlet tube, the inner wall fixed connection of riser and proof box, the outer wall of riser is evenly fixed and is provided with a plurality of shower nozzles, and is a plurality of the shower nozzle all communicates through the play water end of shunt tubes and inlet tube, and is a plurality of the outer wall of shunt tubes is provided with independent valve, the outer wall of inlet tube is provided with liquid flow valve.
As a further scheme of the invention: the detection module comprises a differential pressure sensor, a gas flow sensor, a liquid flow sensor and a displacement sensor,
the top of the test box is provided with a communicating pipe in a penetrating way, and the differential pressure sensor is positioned in the communicating pipe;
the gas flow sensor is arranged on the gas supply pipe and is positioned between the gas outlet end of the gas supply pipe and the gas flow valve;
the liquid flow sensor is arranged on the water inlet pipe and is positioned between the water outlet end of the water inlet pipe and the liquid flow valve;
the displacement sensor is installed on the displacement detection mechanism, and a probe of the displacement sensor is attached to the outer wall of the test piece.
As a still further scheme of the invention: the displacement detection mechanism comprises a stand column, the outer wall of the stand column is sleeved with a plurality of sleeves in a sliding mode, the sleeves are fixedly connected with corresponding displacement sensors, the outer wall of each sleeve is in threaded connection with a hand-screwing bolt, and the threaded end of the hand-screwing bolt penetrates through the outer wall of each sleeve and then is attached to the outer wall of the stand column.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through arranging the test box, the displacement detection mechanism, the pressure supply module, the water spraying module, the detection module, the control system and the like, the air tightness performance, the water tightness performance and the wind pressure resistance performance of the door and the window can be detected, the test piece does not need to be repeatedly disassembled and assembled, the process is simple, the operation is convenient and fast, and the efficiency of detecting the safety performance of the door and the window is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of a door and window security detection system.
Fig. 2 is a block diagram of a door and window security detection system.
Fig. 3 is a block diagram of a water spraying module in a door and window security detection system.
Fig. 4 is a block diagram of a voltage supply module in a door and window security detection system.
Fig. 5 is a block diagram of a detection module in a door and window security detection system.
Fig. 6 is a schematic structural diagram of an independent valve in a door and window safety detection system.
Wherein, proof box 1, installation frame 2, test piece 3, displacement detection mechanism 4, controller 5, human-computer interaction module 6, supply pressure module 7, trickle module 8, detection module 9, air supply pipe 10, gas flow valve 11, air supply equipment 12, deep bead 13, riser 14, shower nozzle 15, inlet tube 16, liquid flow valve 17, independent valve 18, communicating pipe 19, differential pressure sensor 20, gas flow sensor 21, liquid flow sensor 22, hand is twisted bolt 23, displacement sensor 24, stand 25, sleeve pipe 26.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, are used merely to facilitate description of the present invention and to simplify description, and do not indicate or imply that the referenced devices or elements must have the particular orientations, configurations and operations described in the specification, and therefore are not to be considered limiting.
Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
Referring to fig. 1 to 6, in an embodiment of the present invention, a method for detecting security of a door and a window is provided, where the method is suitable for detecting security of an external door and an external window of a building, and the method includes:
and (3) detecting the air tightness: the device is used for detecting the capacity of preventing air from permeating when the door and the window are in a normal closing state;
and (3) detecting the watertight performance: the device is used for detecting the capability of preventing rainwater from leaking under the simultaneous action of wind and rain when the door and the window are in a normal closing state;
and (3) detecting the wind pressure resistance: the device is used for detecting the capability of preventing the door and the window from being damaged and dysfunctional under the action of wind pressure in a normal closing state.
The air tightness performance detection comprises the following steps:
additional air permeation amount: the amount of air permeation through the apparatus and the portion of the test piece 3 connected to the test chamber 1, in addition to the amount of air permeation of the test piece 3 itself.
The watertight performance detection includes: gradually increasing the air pressure in the test box 1 while the test piece 3 is sprayed with water until rainwater continuously seeps or splashes out of the interface of the test piece 3, and continuously recording the seepage part of the test piece 3 and the seepage state of the part in the test process.
The wind pressure resistance performance detection includes: the deformation state of the test piece 3 is recorded by using a plurality of displacement sensors in a graded pressurizing state, and whether the test piece 3 is damaged or dysfunctional is checked before and after each pressurizing test.
The detection system comprises a test box 1, a test piece 3, a displacement detection mechanism 4, a pressure supply module 7, a water spraying module 8, a detection module 9 and a control system, wherein the outer wall of the test box 1 is provided with an installation frame 2 for fixing the test piece 3.
The control system comprises a controller 5 and a human-computer interaction module 6.
The pressure supply module 7 comprises an air supply pipe 10, the air outlet end of the air supply pipe 10 penetrates through the outer wall of the test box 1 and then is located in the test box 1, the outer wall of the air supply pipe 10 is provided with a gas flow valve 11, the air inlet end of the air supply pipe 10 is provided with an air supply device 12, and the inner wall of the test box 1 and the corresponding air baffle 13 of the air outlet end of the air supply pipe 10 are fixedly connected with each other.
The drenching module 8 includes riser 14, inlet tube 16, the inner wall fixed connection of riser 14 and proof box 1, the outer wall of riser 14 is evenly fixed and is provided with a plurality of shower nozzles 15, and is a plurality of shower nozzle 15 all communicates through the outlet end of shunt tubes and inlet tube 16, and is a plurality of the outer wall of shunt tubes is provided with independent valve 18, the outer wall of inlet tube 16 is provided with liquid flow valve 17.
The detection module 9 comprises a differential pressure sensor 20, a gas flow sensor 21, a liquid flow sensor 22, a displacement sensor 24, wherein,
a communicating pipe 19 penetrates through the top of the test box 1, the differential pressure sensor 20 is positioned in the communicating pipe 19, and the differential pressure sensor 20 is used for monitoring the difference value between the air pressure in the test box 1 and the external air pressure;
the gas flow sensor 21 is installed on the gas supply pipe 10, the gas flow sensor 21 is located between the gas outlet end of the gas supply pipe 10 and the gas flow valve 11, the air supply equipment 12 is started, the inside of the test box 1 can be in a positive pressure or negative pressure state, different test requirements are met, the gas flow valve 11 can control the gas supply amount and the air suction amount of the gas supply pipe 10 to the test box 1, and the gas flow sensor 21 is used for monitoring the flow change of gas in the gas supply pipe 10, so that the purpose of accurate control is achieved, and test errors are reduced;
the liquid flow sensor 22 is installed on the water inlet pipe 16, the liquid flow sensor 22 is located between the water outlet end of the water inlet pipe 16 and the liquid flow valve 17, water can be supplied to each spray head 15 by opening the liquid flow valve 13, so that a water spraying test can be performed on the test piece 3, the on-off of each spray head 15 can be controlled by each independent valve 18 respectively, the spray heads 15 right facing the test piece 3 are in a water outlet state, the rest spray heads 15 are in a closed state, then the total water supply amount of the water inlet pipe 16 to the working spray heads 15 can be controlled through the liquid flow valve 13, the test piece 3 is suitable for test pieces 3 of different sizes, and the liquid flow sensor 22 is used for detecting the water supply flow of the water inlet pipe 16, so that the;
the displacement sensor 24 is arranged on the displacement detection mechanism 4, and a probe of the displacement sensor 24 is attached to the outer wall of the test piece 3.
The working principle of the invention is as follows:
in the invention, a test piece 3 is fixedly and hermetically installed at an opening of the test box 1 through an installation frame 2, after the test box 1 is ensured to be in a sealed state, water can be supplied to each spray nozzle 15 by opening a liquid flow valve 13, so that a water spraying test is carried out on the test piece 3, the on-off of each spray nozzle 15 can be respectively controlled by each independent valve 18, so that the spray nozzles 15 facing the test piece 3 are in a water outlet state, the rest spray nozzles 15 are in a closed state, then the total water supply amount of a water inlet pipe 16 to the working spray nozzles 15 can be controlled through the liquid flow valve 17, the test box is suitable for test pieces 3 with different sizes, and a liquid flow sensor 22 is used for detecting the water supply flow of the water inlet pipe 16, so that.
Through starting air supply equipment 12, can make the state that is in malleation or negative pressure in proof box 1 to satisfy different experimental demands, through the air supply volume and the air extraction volume of the steerable air supply pipe 10 of gas flow valve 11 to proof box 1, gas flow sensor 21 is used for monitoring the gaseous flow variation in air supply pipe 10, thereby plays accurate control's purpose, with the error that reduces the experiment.
The differential pressure sensor 20 is used for monitoring the difference between the air pressure in the test chamber 1 and the outside air pressure.
By sliding the sleeve 26 on the surface of the column 25 and fixing the sleeve 26 by screwing the bolt 23 with a hand, the heights of the plurality of displacement sensors 24 can be adjusted, so that the displacement monitoring mechanism 4 is suitable for doors and windows of different sizes.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. A door and window safety detection method is characterized in that: the detection method is suitable for safety detection of building outer doors and outer windows, and comprises the following steps:
and (3) detecting the air tightness: the device is used for detecting the capacity of preventing air from permeating when the door and the window are in a normal closing state;
and (3) detecting the watertight performance: the device is used for detecting the capability of preventing rainwater from leaking under the simultaneous action of wind and rain when the door and the window are in a normal closing state;
and (3) detecting the wind pressure resistance: the device is used for detecting the capability of preventing the door and the window from being damaged and dysfunctional under the action of wind pressure in a normal closing state.
2. A door and window security detection method according to claim 1, wherein: the air tightness performance detection comprises the following steps:
test piece (3) air permeation amount: the amount of air passing through the test piece (3) per unit time in a standard state;
additional air permeation amount: the air permeation amount through the apparatus and the portion where the test piece (3) is connected to the test chamber (1) is in addition to the air permeation amount of the test piece (3) itself.
3. A door and window security detection method according to claim 1, wherein: the watertight performance detection includes: the air pressure in the test box (1) is gradually increased while the test piece (3) is sprayed with water until rainwater continuously seeps or splashes out of the interface of the test piece (3), and the seepage part of the test piece (3) and the seepage state of the part are continuously recorded in the test process.
4. A door and window security detection method according to claim 1, wherein: the wind pressure resistance performance detection includes: the deformation state of the test piece (3) is recorded by utilizing a plurality of displacement sensors in a graded pressurizing state, and whether the test piece (3) is damaged or has functional disorder is checked before and after each pressurizing test.
5. A door and window safety detection system using the detection method of any one of claims 1 to 4, wherein: the detection system comprises a test box (1), a test piece (3), a displacement detection mechanism (4), a pressure supply module (7), a water spraying module (8), a detection module (9) and a control system, wherein the outer wall of the test box (1) is provided with an installation frame (2) for fixing the test piece (3).
6. A door and window security detection system according to claim 5, wherein: the control system comprises a controller (5) and a man-machine interaction module (6).
7. A door and window security detection system according to claim 5, wherein: the pressure supply module (7) comprises an air supply pipe (10), the air outlet end of the air supply pipe (10) penetrates through the outer wall of the test box (1) and then is located in the test box (1), the outer wall of the air supply pipe (10) is provided with a gas flow valve (11), the air inlet end of the air supply pipe (10) is provided with an air supply device (12), and the inner wall of the test box (1) and the corresponding air outlet end of the air supply pipe (10) are fixedly connected with a wind shield (13).
8. A door and window security detection system according to claim 5, wherein: drenching water module (8) includes riser (14), inlet tube (16), the inner wall fixed connection of riser (14) and proof box (1), the outer wall of riser (14) is evenly fixed and is provided with a plurality of shower nozzles (15), and is a plurality of shower nozzle (15) all communicate through the outlet end of shunt tubes and inlet tube (16), and is a plurality of the outer wall of shunt tubes is provided with independent valve (18), the outer wall of inlet tube (16) is provided with liquid flow valve (17).
9. A door and window security detection system according to claim 5, wherein: the detection module (9) comprises a differential pressure sensor (20), a gas flow sensor (21), a liquid flow sensor (22) and a displacement sensor (24), wherein,
a communicating pipe (19) penetrates through the top of the test box (1), and the differential pressure sensor (20) is positioned in the communicating pipe (19);
the gas flow sensor (21) is arranged on the gas supply pipe (10), and the gas flow sensor (21) is positioned between the gas outlet end of the gas supply pipe (10) and the gas flow valve (11);
the liquid flow sensor (22) is arranged on the water inlet pipe (16), and the liquid flow sensor (22) is positioned between the water outlet end of the water inlet pipe (16) and the liquid flow valve (17);
the displacement sensor (24) is arranged on the displacement detection mechanism (4), and a probe of the displacement sensor (24) is attached to the outer wall of the test piece (3).
10. A door and window security detection system according to claim 5, wherein: displacement detection mechanism (4) are including stand (25), the outer wall slip of stand (25) has cup jointed a plurality of sleeves (26), and is a plurality of sleeve (26) and displacement sensor (24) fixed connection who corresponds, the outer wall threaded connection of sleeve (26) has hand to twist bolt (23), the threaded end of hand to twist bolt (23) is passed through behind the outer wall of sleeve (26) and is laminated with the outer wall of stand (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011532028.1A CN112268662A (en) | 2020-12-23 | 2020-12-23 | Door and window safety detection method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011532028.1A CN112268662A (en) | 2020-12-23 | 2020-12-23 | Door and window safety detection method and system |
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| CN112268662A true CN112268662A (en) | 2021-01-26 |
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| CN202011532028.1A Pending CN112268662A (en) | 2020-12-23 | 2020-12-23 | Door and window safety detection method and system |
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| CN114216624A (en) * | 2021-12-14 | 2022-03-22 | 东南大学 | Building external window air permeability testing device and testing method |
| CN115326678A (en) * | 2022-08-31 | 2022-11-11 | 浙江一诚工程咨询有限公司 | Building outer wall and window edge water seepage testing device for project supervision and control method |
| CN117516805A (en) * | 2024-01-03 | 2024-02-06 | 建研院检测中心有限公司 | Calibration method for air permeability measuring system of building exterior door and window |
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Application publication date: 20210126 |