CN108331188A - A kind of electromagnet inertia mass damper - Google Patents
A kind of electromagnet inertia mass damper Download PDFInfo
- Publication number
- CN108331188A CN108331188A CN201810015085.9A CN201810015085A CN108331188A CN 108331188 A CN108331188 A CN 108331188A CN 201810015085 A CN201810015085 A CN 201810015085A CN 108331188 A CN108331188 A CN 108331188A
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- China
- Prior art keywords
- shell
- right end
- end cap
- booster engine
- left end
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Classifications
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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
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/0215—Bearing, supporting or connecting constructions specially adapted for such buildings involving active or passive dynamic mass damping systems
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention belongs to damper fields, and disclose a kind of electromagnet inertia mass damper, including shell and the linear guide being arranged in the shell, ball screw framework, fixed seat, booster engine, dc generator and mass block, removable installation has external connection frame on the right end cap, and the left end of the outer link is stretched into after the right end cap in the shell and the end is fixedly connected on the ball nut；The left end of the leading screw connects the input shaft of the booster engine by first shaft coupling, and the output shaft of the booster engine connects the dc generator by second shaft coupling.The energy that the present invention can generate external vibration structural vibration is converted into the motion energy of mass block and the electric energy of dc generator and largely consumes, therefore can play the effect of vibration damping/damping.
Description
Technical field
The invention belongs to damper fields, more particularly, to a kind of electromagnetic damper.
Background technology
In recent years, inertia mass damper (inertial mass damer) receives pass as a kind of novel damper
Note.It, which is mainly characterized in that, can provide the huge inertia force directly proportional to two terminal relative acceleration of damper, to promote resistance
The energy consumption energy of Buddhist nun's device and vibration damping/shock stability.The power of inertia mass damper-displacement lagging curve is mainly distributed on two, four-quadrant
Limit has typical negative slope characteristic, thus differs markedly from traditional passive damping device.
Invention content
For the disadvantages described above or Improvement requirement of the prior art, the present invention provides a kind of electromagnet inertia mass damper,
The vibration of external vibration structure can be converted to the motion energy of mass block and the electric energy of dc generator and largely be consumed,
To play the effect of vibration damping.
To achieve the above object, it is proposed, according to the invention, provide a kind of electromagnet inertia mass damper, which is characterized in that packet
Include shell and the linear guide being arranged in the shell, ball screw framework, fixed seat, booster engine, dc generator and matter
Gauge block, wherein
The left and right ends of the shell are respectively arranged with left end cap and right end cap；
The linear guide is arranged on the inner wall of the shell and its longitudinal vertical consistency with the shell；
The fixed seat is mounted on the inner wall of the shell；
The left end of the leading screw of the ball screw framework may be rotatably mounted in the fixed seat and the end is across described
The right end of fixed seat, the leading screw may be rotatably mounted on the right end cap, and the ball nut of the ball screw framework is mounted on
In the linear guide；
Removable installation has external connection frame on the right end cap, and the left end of the outer link is after the right end cap
It stretches into the shell and the end is fixedly connected on the ball nut, the right end of the external connection frame exposes to outside described
Shell, for connecting external vibration structure；
The left end of the leading screw connects the input shaft of the booster engine by first shaft coupling, and the output shaft of the booster engine is logical
It crosses second shaft coupling and connects the dc generator, the exportable electric energy of dc generator to external circuit is to described in dissipation
The energy that external vibration structural vibration generates is also equipped with to achieve the purpose that damping/vibration damping on the output shaft of the booster engine
Mass block, and the rotating speed of the output shaft of the booster engine is more than the rotating speed of input shaft.
Preferably, external vibration structure is mechanical structure, building structure, bridge structure or ocean platform.
Preferably, the mass block is cylinder made of metal.
Preferably, the right end cap includes the fixed plate being fixed together and support base.
Preferably, the shell includes the motor cabinet being connected in turn from left to right, speedup engine base and lead screw base, institute
It states left end cap and left end in the motor cabinet is set, the right end in the lead screw base is arranged in the right end cap.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can obtain down and show
Beneficial effect：
1) when external vibration structural vibration and when external connection frame being driven to move in a straight line, due to ball nut and leading screw this
The effect of one mechanism, transform linear motion in order to leading screw rotary motion, by the rotating speed amplification of booster engine, mass block
Rotating speed greatly improves, therefore the energy of civil structure vibration is converted into the motion energy of mass block and is largely consumed.
2) in a kind of electromagnet inertia mass damper provided by the present invention equipped with direct-connected straight of high speed rotation mass block
Flow generator, by its high speed rotation, can fly-cutting magnetic induction line, induced current is generated in external closed circuit, and rotate
Rotor acted on by Lorentz force, will produce the reaction torque directly proportional to rotating speed, this reaction torque can by ball screw
It is converted into hindering the electromagnetic damping power of external vibration structural vibration.
3) present invention has many advantages, such as that damping is controllable, damping density is high, thermal adaptability is good and inertia mass effect is notable.
The present invention can simulate a prodigious equivalent inertia mass by the flywheel of a small mass.
4) present invention can be used in isolation structure, can substantially reduce the displacement of isolation structure Seismic Isolation of Isolation Layer and can guarantee simultaneously compared with
Good isolating affection, improves the safety of structure under rarely occurred earthquake and pole rarely occurred earthquake of isolation structure.
5) present invention can be used in the vibration damping control of bridge stay cable, since the present invention has significant mass effect, because
This can significantly system damping ratio, reduce suspension cable damper mounting height.
6) damped coefficient of the present invention is controllable, by changing load resistor value, can develop into adaptive or semi-active damper device.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
It does not constitute a conflict with each other and can be combined with each other.
Referring to Fig.1, a kind of electromagnet inertia mass damper, including shell and the linear guide that is arranged in the shell
15, ball screw framework, fixed seat 14, booster engine 7, dc generator 9 and mass block 12, wherein
The left and right ends of the shell are respectively arranged with left end cap 8 and right end cap 3；
The linear guide 15 is arranged on the inner wall of the shell and its longitudinal vertical consistency with the shell；
The fixed seat 14 is mounted on the inner wall of the shell；
The left end of the leading screw 4 of the ball screw framework may be rotatably mounted in the fixed seat 14 and the end passes through institute
Fixed seat 14 is stated, the right end of the leading screw 4 may be rotatably mounted on the right end cap 3, the ball nut 2 of the ball screw framework
In the linear guide 15；
Removable installation has external connection frame 1, the left end of the outer link to pass through the right end cap on the right end cap 3
It is stretched into after 3 in the shell and the end is fixedly connected on the ball nut 2, the right end of the external connection frame 1 exposes to
The shell, for connecting external vibration structure；Preferably, external vibration structure is mechanical structure, building structure, bridge knot
Structure or ocean platform；
The left end of the leading screw 4 connects the input shaft of the booster engine 7 by first shaft coupling 13, the booster engine 7 it is defeated
Shaft connects the dc generator 9 by second shaft coupling 11,9 exportable electric energy of the dc generator to external circuit from
And the energy that the external vibration structural vibration that dissipates generates, to achieve the purpose that damping/vibration damping, the output of the booster engine 7
Mass block 12 is also equipped on axis, and the rotating speed of the output shaft of the booster engine 7 is more than the rotating speed of input shaft.
Further, the mass block 12 is cylinder made of metal.
Further, the right end cap 3 includes the fixed plate 18 being fixed together and support base 19, the right end of leading screw 4
It may be rotatably mounted on support base 19.
Further, the shell includes the motor cabinet 10, speedup engine base 6 and lead screw base being connected in turn from left to right
5, the left end in the motor cabinet 10 is arranged in the left end cap 8, and the right end in the lead screw base 5 is arranged in the right end cap 3.
The external connection block 1 of the present invention is that whole device is used to be connected with external vibration structure, and external interface is one
Screw rod can do dismountable connection by screw-thread fit with external vibration structure；Ball nut 2 is commensurate structure with leading screw 4
External vibration structural vibration can be pushed the rotation for the transform linear motion leading screw that ball nut does by the ball screw framework of size
Transhipment is dynamic；The linear guide 15 is the mechanism for limiting ball nut spiral and turning, and allows ball nut 2 that can only make straight line fortune along the linear guide 15
It is dynamic；The leading screw of rotation and the input shaft of booster engine 7 are connected by first shaft coupling 13, realize the transmission of movement；Booster engine 7 can basis
Specific application is configured and adjusts to reduction ratio, to adapt to the output of different 12 rotating speeds of mass block；Mass block 12 is whole
The device of a device energy expenditure, inertia mass can be replaced, to adapt to no application；Shaft coupling 11 is used for booster engine 7
With being connected for dc generator 9；Dc generator 9 is in last ring of entire damper device, passes through acquisition quality block
Rotating speed export corresponding electric current, electric energy inputs external circuits, to be converted to thermal dissipation.
In addition, in the present embodiment, fixed plate 16, screw rodb base 5, support base 17, fixed seat 14, speedup engine base 6, motor cabinet
10, seat 8 is consolidated, as a whole the support of device and robust structure.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all within the spirits and principles of the present invention made by all any modification, equivalent and improvement etc., should all include
Within protection scope of the present invention.
Claims (5)
1. a kind of electromagnet inertia mass damper, which is characterized in that including shell and the linear guide being arranged in the shell,
Ball screw framework, fixed seat, booster engine, dc generator and mass block, wherein
The left and right ends of the shell are respectively arranged with left end cap and right end cap；
The linear guide is arranged on the inner wall of the shell and its longitudinal vertical consistency with the shell；
The fixed seat is mounted on the inner wall of the shell；
The left end of the leading screw of the ball screw framework may be rotatably mounted in the fixed seat and the end passes through the fixation
Seat, the right end of the leading screw may be rotatably mounted on the right end cap, and the ball nut of the ball screw framework is mounted on described
In the linear guide；
Removable installation has external connection frame, the left end of the outer link to be stretched into after the right end cap on the right end cap
In the shell and the end is fixedly connected on the ball nut, and the right end of the external connection frame exposes to the shell,
For connecting external vibration structure；
The left end of the leading screw connects the input shaft of the booster engine by first shaft coupling, and the output shaft of the booster engine passes through
Two shaft couplings connect the dc generator, and the exportable electric energy of dc generator dissipates the outside to external circuit
The energy that vibrational structure vibration generates is also equipped with quality to achieve the purpose that damping/vibration damping on the output shaft of the booster engine
Block, and the rotating speed of the output shaft of the booster engine is more than the rotating speed of input shaft.
2. a kind of electromagnet inertia mass damper according to claim 1, which is characterized in that external vibration structure is machinery
Structure, building structure, bridge structure or ocean platform.
3. a kind of electromagnet inertia mass damper according to claim 1, which is characterized in that the mass block is by metal
Cylinder made of material.
4. a kind of electromagnet inertia mass damper according to claim 1, which is characterized in that the right end cap includes fixing
The fixed plate and support base to link together.
5. a kind of electromagnet inertia mass damper according to claim 1, which is characterized in that the shell include from a left side to
The left end in the motor cabinet, institute is arranged in motor cabinet, speedup engine base and the lead screw base that the right side is connected in turn, the left end cap
It states right end cap and right end in the lead screw base is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810015085.9A CN108331188A (en) | 2018-01-08 | 2018-01-08 | A kind of electromagnet inertia mass damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810015085.9A CN108331188A (en) | 2018-01-08 | 2018-01-08 | A kind of electromagnet inertia mass damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108331188A true CN108331188A (en) | 2018-07-27 |
Family
ID=62924103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810015085.9A Pending CN108331188A (en) | 2018-01-08 | 2018-01-08 | A kind of electromagnet inertia mass damper |
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| Country | Link |
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| CN (1) | CN108331188A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139765A (en) * | 2018-10-25 | 2019-01-04 | 华北水利水电大学 | Ternary vibration absorber, design and the assembly method of parallel connection damping and spring unit |
| CN112228502A (en) * | 2020-10-15 | 2021-01-15 | 哈尔滨工程大学 | Intelligent variable damping vibration suppression and power generation recovery device |
| CN112596368A (en) * | 2020-12-21 | 2021-04-02 | 华中科技大学 | Self-powered semi-active control circuit and control method of electromagnetic inertial mass damper |
| CN113656908A (en) * | 2021-08-05 | 2021-11-16 | 扬州大学 | Method for calculating damping force of electromagnetic shock absorber with mechanical rectifying device |
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| EP1918608A2 (en) * | 2006-10-31 | 2008-05-07 | Nissan Motor Co., Ltd. | Vibration Reducing Device and Vibration Reducing Method |
| CN105156553A (en) * | 2015-09-08 | 2015-12-16 | 同济大学 | Damper with equivalent rotating inertia mass |
| CN105221622A (en) * | 2015-09-17 | 2016-01-06 | 同济大学 | The equivalent inertial mass damper of variable rotation |
| CN106758772A (en) * | 2016-12-16 | 2017-05-31 | 同济大学 | A kind of acceleration type current vortex inertia sinker |
| CN107401112A (en) * | 2017-09-07 | 2017-11-28 | 湖南科技大学 | A kind of electromagnetic rotating inertia mass damper |
| CN107419945A (en) * | 2017-05-31 | 2017-12-01 | 天津大学 | A kind of inertia mass damping unit |
| CN207812725U (en) * | 2018-01-08 | 2018-09-04 | 华中科技大学 | A kind of electromagnet inertia mass damper |
-
2018
- 2018-01-08 CN CN201810015085.9A patent/CN108331188A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1918608A2 (en) * | 2006-10-31 | 2008-05-07 | Nissan Motor Co., Ltd. | Vibration Reducing Device and Vibration Reducing Method |
| CN105156553A (en) * | 2015-09-08 | 2015-12-16 | 同济大学 | Damper with equivalent rotating inertia mass |
| CN105221622A (en) * | 2015-09-17 | 2016-01-06 | 同济大学 | The equivalent inertial mass damper of variable rotation |
| CN106758772A (en) * | 2016-12-16 | 2017-05-31 | 同济大学 | A kind of acceleration type current vortex inertia sinker |
| CN107419945A (en) * | 2017-05-31 | 2017-12-01 | 天津大学 | A kind of inertia mass damping unit |
| CN107401112A (en) * | 2017-09-07 | 2017-11-28 | 湖南科技大学 | A kind of electromagnetic rotating inertia mass damper |
| CN207812725U (en) * | 2018-01-08 | 2018-09-04 | 华中科技大学 | A kind of electromagnet inertia mass damper |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139765A (en) * | 2018-10-25 | 2019-01-04 | 华北水利水电大学 | Ternary vibration absorber, design and the assembly method of parallel connection damping and spring unit |
| CN112228502A (en) * | 2020-10-15 | 2021-01-15 | 哈尔滨工程大学 | Intelligent variable damping vibration suppression and power generation recovery device |
| CN112596368A (en) * | 2020-12-21 | 2021-04-02 | 华中科技大学 | Self-powered semi-active control circuit and control method of electromagnetic inertial mass damper |
| CN113656908A (en) * | 2021-08-05 | 2021-11-16 | 扬州大学 | Method for calculating damping force of electromagnetic shock absorber with mechanical rectifying device |
| CN113656908B (en) * | 2021-08-05 | 2023-08-08 | 扬州大学 | Method for calculating damping force of electromagnetic shock absorber with mechanical rectifying device |
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