CN109519024A - Active servo grid water tank for the control of building structure vibration damping - Google Patents
Active servo grid water tank for the control of building structure vibration damping Download PDFInfo
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- CN109519024A CN109519024A CN201811249838.9A CN201811249838A CN109519024A CN 109519024 A CN109519024 A CN 109519024A CN 201811249838 A CN201811249838 A CN 201811249838A CN 109519024 A CN109519024 A CN 109519024A
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- water tank
- grid
- grille blades
- active
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
Abstract
The present invention relates to vibration control technology fields, in particular to the active servo grid water tank for the control of building structure vibration damping.This is used for the active servo grid water tank of building structure vibration damping control, including cross-section U-tube shape water tank, the identical grid damping unit of N group structure is provided in cross-section U-tube shape water tank, cross-section U-tube shape water tank is divided into N+1 separate space by N group grid damping unit, adjacent separate space connects, the grid damping unit includes outer framework, grille blades axis and active grille blades, the outer framework is longitudinally mounted in cross-section U-tube shape water tank, the grille blades axis is more be mounted vertically on outer framework, the more equidistant word orders of grille blades axis, active grille blades are fixedly mounted on grille blades axis, the quantity of active grille blades is equal with the quantity of grid sharf, the grille blades axis is connected with the servo motor of peripheral hardware, the cross-section U-tube shape water tank is also set It sets there are two water tank inlet/outlet valve, two water tank inlet/outlet valves are arranged in diagonal.The beneficial effects of the present invention are: damping can be adjusted.
Description
(1) technical field
The present invention relates to vibration control technology fields, in particular to the active servo grid water for the control of building structure vibration damping
Case.
(2) background technique
In recent years, as urbanization process accelerates, more and more populations are concentrated to city, and explosion type is presented in building industry market
Increase, cause urban land more and more nervous, with new material, new technology, new construction technology promotion and application, build to
Gently, high, soft direction is developed, and super high-rise building development in city also becomes a kind of inexorable trend.Increase with structure height, span increases
Greatly, flexible reinforced causes structure to generate resonance response under high wind effect, gently then influences people and normally produces, lives to vibrate and relax
Appropriateness require, it is heavy then cause structure seriously damage and destruction.These super high-rise buildings how are improved to vibrate under typhoon and earthquake
Stability problem has obtained various circles of society's highest attention.With the application of new material, new construction and new process, architecture quality is more next
Lighter, rigidity is smaller and smaller, damp it is lower and lower, structure is softr, can be generated under wind action it is biggish vibration and
Deformation, for guarantee structure safety and traffic it is smooth, how to take effective vibration reducing measure for specific building is knot
A major challenge of structure engineering development.
In recent years, large quantities of super high-rise buildings are built successively throughout the country, are played to countries and regions expanding economy
Indispensable role.Super high-rise building has high flexibility, under earthquake and high wind effect, easily generates biggish vibration, no
The normal use for only influencing building possibly even causes collapsing suddenly for structure.Therefore, how to reduce high building structure on ground
Vibration under shake and high wind effect, becomes the major issue for ensuring building safety.
Conventional method carries out the very uneconomical architectural development that is reasonable, and can not adapting to energy conservation, subtract material of vibration damping of structure
Thinking.In recent years, dissipative damping device has been successfully applied in the tall and slender structure to wind susceptible, such as skyscraper, height
Alarm tower, Loads of Long-span Bridges etc..The purpose is to control the reaction under wind effect, the vibration that can increase substantially building structure is comfortable
Degree.The structural vibration reduction control method of current civil engineering mainstream is tuned mass damper, TMD and and Tuned Liquid.
In order to compensate for the shortcomings of the prior art, the present invention provides one kind can adjust damping for building structure
The active servo grid water tank of vibration damping control.
The present invention is achieved through the following technical solutions:
For the active servo grid water tank of building structure vibration damping control, including cross-section U-tube shape water tank, cross-section U-tube
Water is stored in shape water tank, and left grid and right grid are equipped at upper end opening inside cross-section U-tube shape water tank vertical section,
It is characterized by: being provided with the identical grid damping unit of N group structure in the cross-section U-tube shape water tank, grid damping is single
Cross-section U-tube shape water tank is divided into separate space by member, and adjacent separate space connects, and the grid damping unit includes outline border
Frame, grille blades axis and active grille blades, the activity diaphragm plate are inserted into from water tank horizontal segment upper surface, can freely up and down live
It is dynamic;The activity diaphragm plate extends upward a connecting elements, the connecting elements and water tank horizontal segment of the activity diaphragm plate it
Between be provided with reset spring;The outer framework is longitudinally mounted in cross-section U-tube shape water tank, and the grille blades axis is
More be mounted vertically on outer framework, active grille blades are fixedly mounted on grille blades axis, the grille blades axis
It is connected with the servo motor of peripheral hardware, servo motor drives active grille blades to rotate by grille blades axis, and described wait is cut
Face U-tube shape water tank is also set up there are two water tank inlet/outlet valve, and two water tank inlet/outlet valves are arranged in diagonal, in servo motor
Portion is integrated with damping regulating system.
The damping regulating system includes by miniature acceleration sensor, low-pass filter, amplifier, A/D converter, micro-
The data transfer path of processor and data storage composition further includes that the microprocessor and controllor for step-by-step motor form
Instruction transmission path and power supply.
The fixed diaphragm plate and water tank wall seam crossing are tightly connected.
The active grille blades are fixedly mounted on grille blades axis by rivet, or are welded on grille blades axis
On.
The connecting elements is T-type.
The beneficial effects of the present invention are: compared with prior art, the present invention has the following obvious advantages: water tank of the invention
Active grid is set in case, the damping of water tank can be significantly improved, become apparent from than an independent water tank effectiveness in vibration suppression, it is of the invention
Water tank is driven using servo motor, by adjusting the revolving speed and rotation angle of active grille blades, to adjust the vibration damping resistance of water tank
Buddhist nun, water tank of the invention can be seen that pure water TLD has when shaking by the side wall wave height after measurement pure water and setting grid
Very strong nonlinear characteristic, and its is set after grid and non-linear is significantly improved.Change the size of water aperture, and realizes resistance
The adjusting of Buddhist nun, it is ensured that horizontally various vibrations have good vibration damping to imitate to frequency modulation column damper to high building structure
Fruit.Regulating system is damped in the application to power using power supply is unified, is integrated in inside stepper motor, is not necessarily to extra power;Response
Speed is fast, be delayed small, high reliablity;The size that can be damped by slightly raising or lowering movable diaphragm plate control, damping are adjusted
Speed is fast, low in energy consumption, can adjust damping in real time and the vibratory response of real-time control structure, application prospect are wide.
(3) Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Attached drawing 1 is the structural schematic diagram that the present invention is mounted in building structure;
Attached drawing 2 is overall structure diagram of the invention;
Attached drawing 3 is damping regulating system schematic diagram of the invention;
In figure, 1 grille blades axis, 2 active grille blades, 3 outer frameworks, 4 cross-section U-tube shape water tanks, 5 water tank inlet/outlet valves, 6
Separate space, 7 left grids, 8 right grids, 9 active clapboards.
(4) specific embodiment
Attached drawing is a kind of specific embodiment of the invention.The embodiment includes cross-section U-tube shape water tank 4, cross-section U-tube shape
Water is stored in water tank 4, and left grid 7 and right grid are equipped at upper end opening inside 4 vertical section of cross-section U-tube shape water tank
8, it is provided with the identical grid damping unit of 2 groups of structures in cross-section U-tube shape water tank 4,2 groups of grid damping units are by cross-section
U-tube shape water tank 4 is divided into the equal point of setting of 6,3 separate spaces 6 of separate space of 3 rectangles, and structure is identical, and adjacent separate space 6 connects,
Grid damping unit includes outer framework 3, grille blades axis 1 and active grille blades 2, and it is U-shaped that outer framework 3 is longitudinally mounted to cross-section
In tubulose water tank 4, grille blades axis 1 is more be mounted vertically on outer framework 3, the more equidistant words of grille blades axis 1
Arrangement, active grille blades 2 are fixedly mounted on grille blades axis 1, quantity and the grid sharf 1 of active grille blades 2
Quantity is equal, and the two is in one-to-one relationship, and grille blades axis 1 is connected with the servo motor of peripheral hardware, and servo motor passes through lattice
Grid sharf 1 come drive active grille blades 2 rotate, by adjusting active grille blades 2 revolving speed and rotation angle, to adjust
The damping of water tank, cross-section U-tube shape water tank 4 are also set up there are two water tank inlet/outlet valve 5, two water tank inlet/outlet valves 5
It is arranged in diagonal, servo motor has been internally integrated damping regulating system.
In the present embodiment, active grille blades 2 are fixedly mounted on grille blades axis 1 by rivet, can also be welded on
On grille blades axis 1.
Damping regulating system includes by miniature acceleration sensor, low-pass filter, amplifier, A/D converter, micro process
The data transfer path of device and data storage composition further includes the finger of the microprocessor and controllor for step-by-step motor composition
Enable transmission path and power supply.
Active grid is arranged, when building structure is by extraneous wind load or earthquake in the water tank of the present embodiment in case
When the effect of load, the damping of water tank can be significantly improved, is become apparent from than an independent water tank effectiveness in vibration suppression.
Active servo grid water tank of the invention is monitored by control system and is built according to skyscraper vibration control needs
Acceleration under wind/seismic loading identifies its vibration shape and frequency characteristic, is accordingly more than for structure acceleration
Limits value, rapid control device separate interior plus active grid to water tank and control.
The active servo grid water tank is directed to the existing technical deficiency of TLD damping, increases water tank by grid and subtracts
Device damping is shaken, and active control is carried out to grid, the revolving speed and rotation angle of active grille blades 2 are adjusted, to adjust water tank
Damping reaches the Optimal damping ratio for meeting external loads excitation.
Claims (5)
1. for the active servo grid water tank of building structure vibration damping control, including cross-section U-tube shape water tank (4), cross-section U
Water is stored in type tubulose water tank (4), and left grid is equipped at upper end opening inside 4 vertical section of cross-section U-tube shape water tank
(7) and right grid (8), it is characterised in that: is provided with the identical grid of N group structure in the cross-section U-tube shape water tank (4) and hinders
Cross-section U-tube shape water tank (4) is divided into separate space by Buddhist nun's unit, grid damping unit, and adjacent separate space connects, the lattice
Grid damping unit includes outer framework, grille blades axis and active grille blades, and the activity diaphragm plate (9) is from water tank horizontal segment
Surface insertion;The activity diaphragm plate (9) extends upward a connecting elements, the connecting elements of the activity diaphragm plate (9) and
Reset spring is provided between water tank horizontal segment;The outer framework is longitudinally mounted in cross-section U-tube shape water tank (4), institute
The grille blades axis stated is more be mounted vertically on outer framework, and active grille blades are fixedly mounted on grille blades axis,
The grille blades axis is connected with the servo motor of peripheral hardware, and servo motor drives active grid leaf by grille blades axis
Piece rotation, the cross-section U-tube shape water tank (4) also set up there are two water tank inlet/outlet valve, and two water tank inlet/outlet valves are in pair
Horn shape setting, servo motor have been internally integrated damping regulating system.
2. the active servo grid water tank according to claim 1 for the control of building structure vibration damping, it is characterized in that: described
Damping regulating system includes by miniature acceleration sensor, low-pass filter, amplifier, A/D converter, microprocessor and number
It further include the instruction transmission road of the microprocessor and controllor for step-by-step motor composition according to the data transfer path that memory forms
Diameter and power supply.
3. the active servo grid water tank according to claim 1 for the control of building structure vibration damping, it is characterized in that: described
Fixed diaphragm plate (9) and water tank (4) wall seam crossing are tightly connected.
4. the active servo grid water tank according to claim 1 for the control of building structure vibration damping, it is characterized in that: described
Active grille blades (2) are fixedly mounted on grille blades axis (1) by rivet, or are welded on grille blades axis (1).
5. the active servo grid water tank according to claim 1 for the control of building structure vibration damping, it is characterized in that: described
Connecting elements is T-type.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811249838.9A CN109519024A (en) | 2018-10-25 | 2018-10-25 | Active servo grid water tank for the control of building structure vibration damping |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811249838.9A CN109519024A (en) | 2018-10-25 | 2018-10-25 | Active servo grid water tank for the control of building structure vibration damping |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109519024A true CN109519024A (en) | 2019-03-26 |
Family
ID=65773805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811249838.9A Pending CN109519024A (en) | 2018-10-25 | 2018-10-25 | Active servo grid water tank for the control of building structure vibration damping |
Country Status (1)
Country | Link |
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CN (1) | CN109519024A (en) |
-
2018
- 2018-10-25 CN CN201811249838.9A patent/CN109519024A/en active Pending
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Application publication date: 20190326 |