CN106813893A - The short cycle high pressure fluctuations pilot system of metal Roof - Google Patents
The short cycle high pressure fluctuations pilot system of metal Roof Download PDFInfo
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- CN106813893A CN106813893A CN201710150983.0A CN201710150983A CN106813893A CN 106813893 A CN106813893 A CN 106813893A CN 201710150983 A CN201710150983 A CN 201710150983A CN 106813893 A CN106813893 A CN 106813893A
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- pressure
- high pressure
- metal roof
- blast
- short cycle
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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
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of short cycle high pressure fluctuations pilot system of metal Roof.The present invention includes lower box (1),Upper box (2),Style high-pressure storage chamber (3),High pressure positive blower (4),Blast controls assembly (40),Master control end (9),Metal Roof detection test specimen is positioned in lower box (1),Upper box (2) is adapted with lower box (1) and is connected,So that metal Roof detection test specimen surrounds closed specimen test chamber (20) with upper box (2),High pressure positive blower (4) is connected with the air inlet of blast control assembly (40),The air outlet of blast control assembly (40) is divided into two-way,The first blast pipeline (5) is connected all the way and is passed through specimen test chamber (20),Produce the operating pressure of test requirements document,Another road connects the second blast pipeline (6) and is passed through style high-pressure storage chamber (3),Form the high pressure of stabilization,Style high-pressure storage chamber (3) can as needed under the control of master control end (9),To rapid high pressure of releasing in specimen test chamber (20),Meet the short cycle high pressure fluctuations requirement of experiment.The composite can be widely applied to metal Roof detection field.
Description
Technical field
The present invention relates to a kind of short cycle high pressure fluctuations pilot system of metal Roof.
Background technology
With the development of science and technology, various modern buildings are presented in face of people.There is many again at present
Novel building uses the Roof system of metal structure, especially the building of steel construction, and its Roof system naturally also uses metal
The Roof system of structure.Composite metal Roof system is in all kinds of buildings using more and more extensive.
The wind loading rating of the building of metal structure especially metal Roof, directly influence building safety in itself and
Life-span, concerning life and production.At present, the means for being detected to metal Roof system are limited, are especially difficult to simulate the short cycle
By the situation of high pressure fluctuations.
The content of the invention
The technical problems to be solved by the invention are to overcome the deficiencies in the prior art, there is provided a kind of metal Roof short cycle is high
Pressure fluctuation check system.
The technical solution adopted in the present invention is：The present invention include lower box, upper box, style high-pressure storage chamber, high pressure positive blower,
Blast control assembly, master control end, metal Roof detection test specimen are positioned in the lower box, the upper box and the nowel
Body phase adaptation connection, so that metal Roof detection test specimen surrounds closed specimen test chamber with the upper box, it is described
High pressure positive blower is connected with the air inlet of blast control assembly, and the air outlet of the blast control assembly is divided into two-way, one
Road connects the first blast pipeline and is simultaneously passed through the specimen test chamber, produces the operating pressure of test requirements document, another road connection the
Two blast pipelines are simultaneously passed through the style high-pressure storage chamber, form the high pressure of stabilization, and the style high-pressure storage chamber can as needed described
Under the control at master control end, to rapid high pressure of releasing in the specimen test chamber, the short cycle high pressure fluctuations for meeting experiment will
Ask.
The first blast pipeline is provided with several branch pipes in parallel, be equipped with each branch pipe reducing oviduct and
Switch valve.
Under the control at the master control end, when the switch valve is opened, air-flow flows when the reducing oviduct is flowed through
Amount reduces, and pressure increases, so as to finely tune operating pressure in the specimen test chamber；By on several described branch pipes in parallel
The switch valve open and-shut mode combination, realize to the precise control of operating pressure.
The blast controls assembly under the control at the master control end, and the examination is passed through by the first blast pipeline
The operating pressure of part test chamber is periodic wave dynamic pressure.
The style high-pressure storage chamber is provided with several Drainage valves and is passed through in the upper box, when carrying out detection experiment, pressure
Cycle, under the control at the master control end, the Drainage valve was opened, and makes what is stored in the storage of higher pressures room in high pressure
Pressure releasing is in the specimen test chamber.
At the end of high pressure cycle, the Drainage valve is closed, by the second blast pipeline to the style high-pressure storage chamber
Interior supplement high pressure, waits next high pressure cycle；Meanwhile, the specimen test chamber is discharged rapidly by exhaust-valve goalkeeper's pressure
To the external world.
The four-stage in the pressure oscillation cycle in the specimen test chamber includes boosting, pressurize, pressure release and wait, four
The time in individual stage is identical, is 0.5~2 second.
The blast control assembly controls the pressure of the second blast pipeline and the style high-pressure storage chamber simultaneously.
The blast control assembly includes quick valve and flow divider.
The style high-pressure storage chamber is arranged in the upper box.
The beneficial effects of the invention are as follows：Because the present invention includes lower box, upper box, style high-pressure storage chamber, high pressure positive blower, wind
Voltage-controlled assembly processed, master control end, metal Roof detection test specimen are positioned in the lower box, the upper box and the lower box
Connection is adapted, so that metal Roof detection test specimen surrounds closed specimen test chamber, the height with the upper box
Pressure fan is connected with the air inlet of blast control assembly, and the air outlet of the blast control assembly is divided into two-way, all the way
Connect the first blast pipeline and be passed through the specimen test chamber, produce the operating pressure of test requirements document, another road connection second
Blast pipeline is simultaneously passed through the style high-pressure storage chamber, forms the high pressure of stabilization, and the style high-pressure storage chamber can as needed described total
Under the control of control end, to rapid high pressure of releasing in the specimen test chamber, the short cycle high pressure fluctuations requirement of experiment is met；
Instant invention overcomes the deficiencies in the prior art, by traditional blower fan to increasing the storage of higher pressures between testing inspection casing
Room, realizes the quick response of high pressure fluctuations, the high-voltage energy storage part fast reaction in loading, and then resynchronisation supplement differential pressure, full
The test request of the short cycle inner high voltage rapid fluctuations of foot, to check the anti-burst fluctuation blast ability of metal Roof system；Therefore this
Invention is a kind of short cycle high pressure fluctuations pilot system of brand-new metal Roof.
Brief description of the drawings
Fig. 1 is the attachment structure schematic diagram of the embodiment of the present invention；
Fig. 2 is the system control schematic diagram of the embodiment of the present invention；
Fig. 3 be the embodiment of the present invention upper box be connected with lower box after structural representation；
Fig. 4 is the perspective structure schematic diagram of the upper box with lower box of the embodiment of the present invention；
Fig. 5 is test pressure curve map period of waves of the embodiment of the present invention.
Specific embodiment
As shown in Fig. 1~Fig. 5, the short cycle high pressure fluctuations pilot system of metal Roof of the present embodiment include lower box 1, on
Casing 2, style high-pressure storage chamber 3, high pressure positive blower 4, blast control assembly 40, master control end 9, metal Roof detection test specimen are positioned over institute
State in lower box 1, the intracavity space 10 of specially described lower box 1 is mainly used in placing purlin of metal Roof backplanes support etc.
Metal roofing board is placed by structure, the top the superiors, and the upper box 2 is adapted with the lower box 1 and is connected, so that the metal
Roofing detection test specimen surrounds closed specimen test chamber 20 with the upper box 2, and rear box entirety chi is connected in the present embodiment
Very little is 7.5 meters × 3.5 meters of large scale experimental box body, and the high pressure positive blower 4 controls the air inlet phase of assembly 40 with the blast
Connection, the air outlet of the blast control assembly 40 is divided into two-way, and the first blast pipeline 5 is connected all the way and the test specimen examination is passed through
Chamber 20 is tested, the operating pressure of test requirements document is produced, the blast controls assembly 40 under the control at the master control end 9, leads to
Cross the first blast pipeline 5 and be passed through the operating pressure of the specimen test chamber 20 for periodic wave dynamic pressure, i.e., described the
One blast pipeline 5 meets the cycle request of experiment as blast dynamic load, and another road connects the second blast pipeline 6 and is passed through described
Style high-pressure storage chamber 3, forms the high pressure of stabilization, and blast control assembly 40 controls the second blast pipeline 6 and described simultaneously
The pressure of style high-pressure storage chamber 3, the blast control assembly 40 includes quick valve and flow divider, and the style high-pressure storage chamber 3 can basis
Need under the control at the master control end 9, to rapid high pressure of releasing in the specimen test chamber 20, meet the short week of experiment
The requirement of phase high pressure fluctuations；The first blast pipeline 5 is provided with several branch pipes 50 in parallel, is equipped with each branch pipe 50
Reducing oviduct 7 and switch valve 8, the reducing oviduct 7 are that one end is big, the small approximate tubaeform throat structure in one end, in institute
State under the control at master control end 9, when the switch valve 8 is opened, when the reducing oviduct 7 is flowed through, flow reduces air-flow, stream
Speed increases, and pressure increases, so that the rapidly pressure in Control experiment casing, finely tunes work pressure in the specimen test chamber 20
Power, i.e., finely tune the air pressure of the adjustment main pipeline of the first blast pipeline 5 by the branch pipe 50, changes the flow face of compressed air pipe line
Product, it is possible to continuously adjust pressure value in a small range, making pressure to rise can drop；The pressure limit of each described branch pipe 50 regulation
It is fixed, is combined by the open and-shut mode of the switch valve 8 on several described branch pipes 50 in parallel, control participates in work
The branch pipe 50 quantity, so as to reach the experiment pressure controlled purpose of casing, realize to the precise control of operating pressure；Institute
State style high-pressure storage chamber 3 to be arranged in the upper box 2, the style high-pressure storage chamber 3 is provided with several Drainage valves and is passed through on described
In casing 2, carry out detection experiment when, the high pressure positive blower 4 produces high constant high-pressure, pressure cycle in high pressure,
Under the control at the master control end 9, the Drainage valve is opened, and makes the interior pressure releasing for storing of the style high-pressure storage chamber 3 to institute
State in specimen test chamber 20, meet the high pressure requirement of experiment；At the end of high pressure cycle, the Drainage valve is closed, by institute
The second blast pipeline 6 is stated to high pressure is supplemented in the style high-pressure storage chamber 3, next high pressure cycle is waited；Meanwhile, the test specimen examination
Test chamber 20 and the external world is promptly released into by exhaust-valve goalkeeper's pressure；Pressure oscillation cycle in the specimen test chamber 20
Four-stage includes boosting, pressurize, pressure release and wait, and the time of four-stage is identical, is 0.5~2 second, and the present embodiment is 1
Second.
The present invention, to the style high-pressure storage chamber 3 is increased between testing inspection casing, realizes high pressure wave by traditional blower fan
Dynamic quick response, the high-voltage energy storage part fast reaction in loading, then resynchronisation supplements differential pressure, and connects trumpet type tune
Section valve pipe, is more precisely controlled reaction accuracy, and the test request and test pressure for meeting short cycle inner high voltage rapid fluctuations are accurate
The requirement of fine setting, to check the anti-burst fluctuation blast ability of metal Roof system；Therefore the present invention is a kind of brand-new metal
The short cycle high pressure fluctuations pilot system of roofing.
The composite can be widely applied to metal Roof detection field.
Claims (10)
1. the short cycle high pressure fluctuations pilot system of a kind of metal Roof, it is characterised in that：Including lower box (1), upper box (2),
Style high-pressure storage chamber (3), high pressure positive blower (4), blast control assembly (40), master control end (9), and metal Roof detection test specimen is positioned over
In the lower box (1), the upper box (2) is adapted with the lower box (1) and is connected, so that metal Roof detection examination
Part surrounds closed specimen test chamber (20) with the upper box (2), and the high pressure positive blower (4) controls assembly with the blast
(40) air inlet is connected, and the air outlet of blast control assembly (40) is divided into two-way, and the first blast pipeline is connected all the way
(5) and it is passed through the specimen test chamber (20), produces the operating pressure of test requirements document, another road connects the second blast pipeline
(6) and it is passed through the style high-pressure storage chamber (3), forms the high pressure of stabilization, the style high-pressure storage chamber (3) can as needed described total
Under the control of control end (9), to rapid high pressure of releasing in the specimen test chamber (20), the short cycle high pressure wave of experiment is met
It is dynamic to require.
2. the short cycle high pressure fluctuations pilot system of metal Roof according to claim 1, it is characterised in that：First wind
Pressure pipeline (5) is provided with several branch pipes in parallel (50), and reducing oviduct (7) and switch are equipped with each branch pipe (50)
Valve (8).
3. the short cycle high pressure fluctuations pilot system of metal Roof according to claim 2, it is characterised in that：In the master control
Under the control of end (9) processed, when the switch valve (8) is opened, when reducing oviduct (7) are flowed through, flow reduces air-flow, pressure
Power increases, so as to finely tune the interior operating pressure of the specimen test chamber (20)；By on several described branch pipes (50) in parallel
The switch valve (8) open and-shut mode combination, realize to the precise control of operating pressure.
4. the short cycle high pressure fluctuations pilot system of metal Roof according to claim 1, it is characterised in that：The blast control
Assembly (40) processed is passed through the specimen test chamber under the control of the master control end (9) by the first blast pipeline (5)
The operating pressure of room (20) is periodic wave dynamic pressure.
5. the short cycle high pressure fluctuations pilot system of metal Roof according to claim 1 or 4, it is characterised in that：The height
Pressure storage room (3) is provided with several Drainage valves and is passed through in the upper box (2), and when carrying out detection experiment, pressure cycle is in height
During pressure, under the control of the master control end (9), the Drainage valve is opened, and makes the pressure of storage in the style high-pressure storage chamber (3)
Power is released in the specimen test chamber (20).
6. the short cycle high pressure fluctuations pilot system of metal Roof according to claim 5, it is characterised in that：High pressure cycle knot
Shu Shi, the Drainage valve is closed, and high pressure is supplemented to the style high-pressure storage chamber (3) is interior by the second blast pipeline (6), etc.
Treat next high pressure cycle；Meanwhile, the specimen test chamber (20) is promptly released into the external world by exhaust-valve goalkeeper's pressure.
7. the short cycle high pressure fluctuations pilot system of metal Roof according to claim 6, it is characterised in that：The test specimen examination
The four-stage in the pressure oscillation cycle tested in chamber (20) includes boosting, pressurize, pressure release and wait, the time phase of four-stage
Together, it is 0.5~2 second.
8. the short cycle high pressure fluctuations pilot system of metal Roof according to claim 1, it is characterised in that：The blast control
Assembly (40) processed is while control the pressure of the second blast pipeline (6) and the style high-pressure storage chamber (3).
9. the short cycle high pressure fluctuations pilot system of metal Roof according to claim 1 or 8, it is characterised in that：The wind
Voltage-controlled assembly processed (40) includes quick valve and flow divider.
10. the short cycle high pressure fluctuations pilot system of metal Roof according to claim 1, it is characterised in that：The high pressure
Storage room (3) is arranged in the upper box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710150983.0A CN106813893B (en) | 2017-03-14 | 2017-03-14 | Metal Roof short cycle high pressure fluctuations pilot system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710150983.0A CN106813893B (en) | 2017-03-14 | 2017-03-14 | Metal Roof short cycle high pressure fluctuations pilot system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106813893A true CN106813893A (en) | 2017-06-09 |
| CN106813893B CN106813893B (en) | 2018-12-28 |
Family
ID=59114931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710150983.0A Expired - Fee Related CN106813893B (en) | 2017-03-14 | 2017-03-14 | Metal Roof short cycle high pressure fluctuations pilot system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106813893B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932159A (en) * | 2019-04-09 | 2019-06-25 | 上海北分科技股份有限公司 | A kind of dust wind tunnel system and its control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0470534A (en) * | 1990-07-12 | 1992-03-05 | Mitsubishi Heavy Ind Ltd | Aircraft-testing wind tunnel |
| JPH063218A (en) * | 1992-06-22 | 1994-01-11 | Mitsubishi Heavy Ind Ltd | Suction type impact wind tunnel |
| CN2890882Y (en) * | 2005-11-25 | 2007-04-18 | 上海市建筑科学研究院有限公司 | Industrial personal computer detection network system for building curtain wall detector |
| CN102183380A (en) * | 2011-03-16 | 2011-09-14 | 百安力钢结构应用科技有限公司 | System for testing comprehensive performance of metal roof |
| CN104142253A (en) * | 2014-07-07 | 2014-11-12 | 百安力钢结构应用科技有限公司 | Movable metal roof detection equipment |
-
2017
- 2017-03-14 CN CN201710150983.0A patent/CN106813893B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0470534A (en) * | 1990-07-12 | 1992-03-05 | Mitsubishi Heavy Ind Ltd | Aircraft-testing wind tunnel |
| JPH063218A (en) * | 1992-06-22 | 1994-01-11 | Mitsubishi Heavy Ind Ltd | Suction type impact wind tunnel |
| CN2890882Y (en) * | 2005-11-25 | 2007-04-18 | 上海市建筑科学研究院有限公司 | Industrial personal computer detection network system for building curtain wall detector |
| CN102183380A (en) * | 2011-03-16 | 2011-09-14 | 百安力钢结构应用科技有限公司 | System for testing comprehensive performance of metal roof |
| CN104142253A (en) * | 2014-07-07 | 2014-11-12 | 百安力钢结构应用科技有限公司 | Movable metal roof detection equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932159A (en) * | 2019-04-09 | 2019-06-25 | 上海北分科技股份有限公司 | A kind of dust wind tunnel system and its control method |
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| Publication number | Publication date |
|---|---|
| CN106813893B (en) | 2018-12-28 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200907 Address after: No.7 Zhuoyue Road, Sanzao Town, Jinwan District, Zhuhai City, Guangdong Province Patentee after: Zhuhai Huiyong Construction Technology Co., Ltd Address before: Room 1516, 15 / F, Tuen Mun Central Plaza, 22 Hoi Wing Road, Tuen Mun, New Territories Patentee before: Baianli Steel Structure Application Science & Technology Co.,Ltd. |
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Granted publication date: 20181228 Termination date: 20210314 |
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