CN207296561U - The frequency modulation column damper of damping can be adjusted in real time - Google Patents

The frequency modulation column damper of damping can be adjusted in real time Download PDF

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Publication number
CN207296561U
CN207296561U CN201721214728.XU CN201721214728U CN207296561U CN 207296561 U CN207296561 U CN 207296561U CN 201721214728 U CN201721214728 U CN 201721214728U CN 207296561 U CN207296561 U CN 207296561U
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CN
China
Prior art keywords
damping
water tank
diaphragm plate
frequency modulation
real time
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Withdrawn - After Issue
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CN201721214728.XU
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Chinese (zh)
Inventor
廖慧
周广东
谢美希
王家超
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Hohai University HHU
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Hohai University HHU
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  • Vibration Prevention Devices (AREA)

Abstract

The utility model discloses a kind of frequency modulation column damper that can adjust damping in real time, including:U-shaped water tank, water tank is interior to be equipped with liquid, is equipped with left grid and right grid inside water tank vertical section at upper end opening, and the horizontal intersegmental part of water tank is overlapping to be equipped with fixed diaphragm plate of the same size and activity diaphragm plate, and one-to-one aperture is distributed with thereon;Movable diaphragm plate can be freely up and down movable;Movable diaphragm plate extends upward a connecting elements;Resetting spring is provided between connecting elements and water tank horizontal segment;Crossbeam is fixed between two vertical section outer surface of water tank, stepper motor and mandril are connected with turn between crossbeam and the connecting elements of movable diaphragm plate;Stepper motor has been internally integrated damping regulating system.The size that damping regulating system is vibrated according to high building structure, Driving Stepping Motor rotates, and then is risen or fallen by mandril boot activity diaphragm plate, changed the size of water aperture, and realized the adjusting of damping.The utility model damper can adjust the size of damping in real time according to high building structure Vibration Condition, it is ensured that the vibrations various to high building structure horizontal direction of frequency modulation column damper have good effectiveness in vibration suppression.

Description

The frequency modulation column damper of damping can be adjusted in real time
Technical field
The utility model belongs to vibration control of civil engineering structure technology, and in particular to one kind is used to reduce vibration of building The frequency modulation column damper that can adjust damping in real time.
Background technology
China is between circum-Pacific seismic belt and Eurasian earthquake zone, by Pacific-oceanic plate, Indian and Philippine The extruding of extra large plate, seismic activity are very frequent.Since 20th century, nearly 800 times of more than 6 grades earthquakes occur for China, spread all over 21 Save and 4 municipalities directly under the Central Government.Meanwhile there is very long coastline in China, most coastal cities are in the model that typhoon is directly attacked Enclose, be just there are 8 Landed Typhoons every year on average by one of country of typhoon influence most serious in the world.In recent years, it is large quantities of super Skyscraper is built successively throughout the country, and indispensable effect is played to countries and regions expanding economy.Super High is built Build with high flexibility, under earthquake and high wind effect, easily produce larger vibration, not only influence the normal use of building even It may cause collapsing suddenly for structure.Therefore, how to reduce vibration of the high building structure under earthquake and high wind effect, become Ensure the major issue of building safety.
U-shaped cross-section tubular rigid water tank that frequency modulation column damper includes internal water-filling and one are arranged on tubulose Diaphragm plate in rigid water tank horizontal segment, sets aperture on diaphragm plate, U-shaped cross-section tubular rigid water tank lower part is consolidated with structure It is fixed.When structure produces Horizontal Vibration due to external load effect, also the water in water tank can be driven to rock.Water in water tank by When flowing through the aperture on diaphragm plate in rocking, damping is produced due to section suddenly change, this damping can be with dissipative structure Vibrational energy, and then reduce structure vibration.Meanwhile water rocks the horizontal inertial force of generation and acts on water tank side wall, and its The direction that direction is vibrated with structure level is on the contrary, this inertia force can reduce the vibration of structure.Compared to other vibration absorbers, frequency modulation Column damper have it is of low cost, easy for construction, can also make without the water in extra power input, fast response time, water tank The advantages that being used for fire-fighting, is a kind of damper of function admirable.
Aperture is most important for the effectiveness in vibration suppression of frequency modulation column damper on frequency modulation column damper diaphragm plate, not only controls The damping of frequency modulation column damper offer is provided, the inertia force of frequency modulation column damper offer is provided.However, existing tune Aperture size on frequency column damper diaphragm plate is fixed, it is impossible to is adjusted according to the size of structural vibration, it is difficult to ensures to adjust Frequency column damper has good effectiveness in vibration suppression in all cases, it is impossible to meets the requirement of skyscraper vibration control.For Ensure safety of the skyscraper under high wind and geological process, being badly in need of one kind can according to high building structure magnitude of vibrations And the automatic frequency modulation column damper for adjusting diaphragm plate aperture size in real time.
Utility model content
Purpose of utility model:, can be according to structural vibration this application provides one kind for the drawbacks described above of the prior art Size adjust the size of frequency modulation column damper damping in real time, so as to reduce structure tune for vibrating under earthquake and high wind effect Frequency column damper.
Technical solution:A kind of frequency modulation column damper that can adjust damping in real time described in the utility model, including:Deng cut Face U-tube shape water tank, water tank is interior to be equipped with liquid, and left grid and right lattice are equipped with upper end opening inside the water tank vertical section Grid, the horizontal intersegmental part of water tank is overlapping to be equipped with fixed diaphragm plate of the same size and movable diaphragm plate, the fixed diaphragm plate With one-to-one aperture is distributed with movable diaphragm plate;It is described activity diaphragm plate from water tank horizontal segment upper surface be inserted into, can on Lower freely activity;The activity diaphragm plate extends upward a connecting elements;The connecting elements and water tank of the activity diaphragm plate Resetting spring is provided between horizontal segment;Crossbeam, the crossbeam and activity are fixed between the two vertical section outer surface of water tank Stepper motor and mandril are connected with turn between the connecting elements of diaphragm plate;The stepper motor has been internally integrated damping and has adjusted system System.
The damping regulating system is included by miniature acceleration sensor, low-pass filter, amplifier, A/D converter, micro- The data transfer path of processor and data storage composition, further includes the microprocessor and is formed with controllor for step-by-step motor Instruction transmission path, and power supply.
Preferably, the miniature acceleration sensor is the low-power consumption acceleration transducer based on micro-electromechanical technology, is easy to Reduce the volume of damping regulating system, the convenient regulating system that damps is integrated into inside stepper motor;Damping is reduced at the same time adjusts system The power consumption of system, ensures the long-term effectiveness of damping regulating system.
The power supply is dry cell.Power supply for miniature acceleration sensor, low-pass filter, amplifier, A/D converter, Microprocessor, data storage and controllor for step-by-step motor continued power.
The fixed diaphragm plate is tightly connected with water tank side wall seam crossing.
The activity diaphragm plate is tightly connected with water tank side wall seam crossing.
Preferably, the connecting elements is T-shaped to be more convenient for realizing that resetting spring is vertically connected with fixation.Can also be other It can guarantee that the connected shape of resetting spring on both sides.
It is further preferred that the resetting spring is preferably two.
The cross section of the cross-section U-tube shape water tank horizontal segment can be rectangle or circle.
Present techniques principle:When not having vibration, fixed diaphragm plate and movable diaphragm plate are completely superposed, and are divided thereon The aperture of cloth corresponds.Vibrated under high building structure is acted in earthquake and high wind, cause frequency modulation column damper And the damping inside stepper motor adjusts integrated circuit vibration so that integrated circuit Driving Stepping Motor rotates, and promotes on mandril Rise or decline, and then moved up and down by connecting elements boot activity diaphragm plate, by fixed diaphragm plate and movable diaphragm plate it Between relative motion, changed the size of water aperture, and realized the adjusting of damping.Further, the detailed process in integrated circuit It is:Miniature acceleration sensor gathers the analog signal of structural vibration, and noise is removed by low-pass filter, will using amplifier Analog signal is amplified, then converts analog signals into digital signal by A/D converter, and is transmitted to microprocessor;Microprocessor Device receives digital signal, and is calculated and analyzed using the preset program that data storage stores, and draws the control of stepper motor System instruction, and it is transmitted to controllor for step-by-step motor;After controllor for step-by-step motor receives control instruction, Driving Stepping Motor rotates, Promote mandril to rise or fall, and then changed the size of water aperture, realize the adjusting of damping.
Beneficial effect:The frequency modulation column damper that damping can be adjusted in real time of the utility model, generation is rocked using water body The inertia force opposite with structural vibration direction and water body flow through aperture generation damping force reduce high-level structure in earthquake and Vibration under high wind effect;The size that damping regulating system is vibrated according to high building structure, Driving Stepping Motor rotate, and then Risen or fallen by mandril boot activity diaphragm plate, changed the size of water aperture, realize the adjusting of damping, it is ensured that frequency modulation Column damper vibrations various to high building structure horizontal direction have good effectiveness in vibration suppression.Damping adjusts system in the application System is powered using power supply is unified, is integrated in inside stepper motor, without extra power;Fast response time, be delayed small, reliability It is high;Can be by the size of small size lifting or the control damping of reduction activity diaphragm plate, damping governing speed is fast, low in energy consumption, Neng Goushi When adjusts damping, and simultaneously the vibratory response of control structure, application prospect are wide in real time.
Brief description of the drawings
Fig. 1 is the profilograph of the utility model;
Fig. 2 is the A-A sectional views of the utility model;
Fig. 3 is the B-B sectional views of the utility model;
Fig. 4 is the C-C sectional views of the utility model;
Fig. 5 is the D-D sectional views of the utility model;
Fig. 6 is the E-E sectional views of the utility model;
Fig. 7 is the schematic three dimensional views of the fixation diaphragm plate of the utility model;
Fig. 8 is the schematic three dimensional views of the movable diaphragm plate of the utility model;
Fig. 9 is the damping regulating system functional block diagram of the utility model.
Wherein:Water tank 1;Liquid 2;Left grid 3;Right grid 4;Fixed diaphragm plate 5;Movable diaphragm plate 6;Connecting elements 61; Aperture 7;Resetting spring 8;Crossbeam 9;Stepper motor 10;Mandril 11;Miniature acceleration sensor 12;Low-pass filter 13;Amplification Device 14;A/D converter 15;Microprocessor 16;Data storage 17;Controllor for step-by-step motor 18;Power supply 19.
Embodiment
The technical solution of the utility model is described in detail below in conjunction with the accompanying drawings.
As shown in figures 1-8, a kind of frequency modulation column damper that can adjust damping in real time, including:Cross-section U-tube shape water tank 1, water tank 1 is interior to be equipped with liquid 2, and left grid 3 and right grid 4,1 water of water tank are equipped with upper end opening inside 1 vertical section of water tank Flat section stage casing internal superposition is equipped with fixed diaphragm plate 5 of the same size and movable diaphragm plate 6, fixed diaphragm plate 5 and movable transverse every The identical aperture 7 of one-to-one diameter is distributed with plate 6;Movable diaphragm plate 6 can be inserted into from 1 horizontal segment upper surface of water tank, And can be freely up and down movable;Movable diaphragm plate 6 extends upward a T-shaped connecting elements 61;The T-shaped company of movable diaphragm plate 6 Two resetting springs 8 are equipped between 1 horizontal segment of connection member 61 and water tank;Water tank is fixed with level between 1 liang of vertical section outer surface Stepper motor 10 is passed sequentially through between the T-shaped connecting elements 61 of crossbeam 9,9 stage casing of crossbeam and movable diaphragm plate 6 and mandril 11 connects Together;Meanwhile stepper motor 10 has been internally integrated damping regulating system.
Wherein, damp regulating system block diagram as shown in figure 9, including by miniature acceleration sensor 12, low-pass filter 13, The data transfer path that amplifier 14, A/D converter 15, microprocessor 16 and data storage 17 form, further includes described The instruction transmission path that microprocessor 16 is formed with controllor for step-by-step motor 18, and power supply 19.Wherein, miniature acceleration senses Device 12 is the low-power consumption acceleration transducer based on micro-electromechanical technology, and power supply 19 is dry cell.Power supply 19 passes for miniature acceleration Sensor 12, low-pass filter 13, amplifier 14, A/D converter 15, microprocessor 16, data storage 17 and stepper motor control 18 continued power of device processed.
Above-mentioned damper, when not having vibration, fixed diaphragm plate 5 and movable diaphragm plate 6 are completely superposed, and are distributed thereon Aperture correspond.When high building structure earthquake and high wind effect under vibrate, cause frequency modulation column damper and Damping inside stepper motor adjusts integrated circuit vibration, and miniature acceleration sensor 13 gathers structural vibration in integrated circuit Analog signal, is removed noise by low-pass filter 14, is amplified analog signal using amplifier 15, then pass through A/D converter 16 convert analog signals into digital signal, and are transmitted to microprocessor 16;Microprocessor 16 receives digital signal, and utilizes number The preset program stored according to memory 18 is calculated and analyzed, and draws the control instruction of stepper motor 5, and is transmitted to stepping electricity Machine controller 18;Controllor for step-by-step motor 18 receive control instruction after, Driving Stepping Motor 5 rotates, promote mandril 4 rise or under Drop, and then moved up and down by 61 boot activity diaphragm plate 6 of connecting elements, by between fixed diaphragm plate 5 and movable diaphragm plate 6 Relative motion, changed the size of water aperture, and realized the adjusting of damping.

Claims (8)

1. a kind of frequency modulation column damper that can adjust damping in real time, including cross-section U-tube shape water tank (1), water tank (1) are built-in There is liquid (2), left grid (3) and right grid (4), its feature are equipped with upper end opening inside water tank (1) vertical section It is, water tank (1) the horizontal segment internal superposition is equipped with fixed diaphragm plate (5) of the same size and movable diaphragm plate (6), described One-to-one aperture (7) is distributed with fixed diaphragm plate (5) and movable diaphragm plate (6);The activity diaphragm plate (6) is from water tank (1) horizontal segment upper surface is inserted into, can be freely up and down movable;The activity diaphragm plate (6) extends upward a connecting elements (61); Resetting spring (8) is provided between the connecting elements (61) and water tank (1) horizontal segment of the activity diaphragm plate (6);The water tank Be fixed with crossbeam (9) between (1) two vertical section outer surface, the connecting elements (61) of the crossbeam (9) and movable diaphragm plate (6) it Between be connected with stepper motor (10) and mandril (11) in turn;The stepper motor (10) has been internally integrated damping regulating system.
2. the frequency modulation column damper according to claim 1 that damping can be adjusted in real time, it is characterised in that the damping is adjusted Section system is included by miniature acceleration sensor (12), low-pass filter (13), amplifier (14), A/D converter (15), micro- The data transfer path of device (16) and data storage (17) composition is managed, further includes the microprocessor (16) and stepper motor The instruction transmission path of controller (18) composition, and power supply (19).
3. the frequency modulation column damper according to claim 2 that damping can be adjusted in real time, it is characterised in that it is described it is miniature plus Velocity sensor (12) is the low-power consumption acceleration transducer based on micro-electromechanical technology.
4. the frequency modulation column damper according to claim 2 that damping can be adjusted in real time, it is characterised in that the power supply (19) it is dry cell.
5. the frequency modulation column damper according to claim 1 that damping can be adjusted in real time, it is characterised in that described fixed horizontal Partition plate (5) is tightly connected with water tank (1) side wall seam crossing.
6. the frequency modulation column damper according to claim 1 that damping can be adjusted in real time, it is characterised in that the movable transverse Partition plate (6) is tightly connected with water tank (1) side wall seam crossing.
7. the frequency modulation column damper according to claim 1 that damping can be adjusted in real time, it is characterised in that the connection structure Part (61) is T-shaped.
8. the frequency modulation column damper according to claim 1 that damping can be adjusted in real time, it is characterised in that the reset bullet Spring (8) is two.
CN201721214728.XU 2017-09-21 2017-09-21 The frequency modulation column damper of damping can be adjusted in real time Withdrawn - After Issue CN207296561U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721214728.XU CN207296561U (en) 2017-09-21 2017-09-21 The frequency modulation column damper of damping can be adjusted in real time

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721214728.XU CN207296561U (en) 2017-09-21 2017-09-21 The frequency modulation column damper of damping can be adjusted in real time

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Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107905605A (en) * 2017-09-21 2018-04-13 河海大学 The frequency modulation column damper of damping can be adjusted in real time
CN109026551A (en) * 2018-08-27 2018-12-18 浙江大学 Novel floating wind energy conversion system basic platform based on tuning fluid column oscillation damper

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107905605A (en) * 2017-09-21 2018-04-13 河海大学 The frequency modulation column damper of damping can be adjusted in real time
CN107905605B (en) * 2017-09-21 2024-01-23 河海大学 Frequency-modulated liquid column damper capable of adjusting damping in real time
CN109026551A (en) * 2018-08-27 2018-12-18 浙江大学 Novel floating wind energy conversion system basic platform based on tuning fluid column oscillation damper

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