CN202484183U - Electromagnetic fluid damper - Google Patents
Electromagnetic fluid damper Download PDFInfo
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- CN202484183U CN202484183U CN2012200539846U CN201220053984U CN202484183U CN 202484183 U CN202484183 U CN 202484183U CN 2012200539846 U CN2012200539846 U CN 2012200539846U CN 201220053984 U CN201220053984 U CN 201220053984U CN 202484183 U CN202484183 U CN 202484183U
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Abstract
The utility model relates to an electromagnetic fluid damper comprising an upper portion and a lower portion independent to each other. The upper portion comprises an upper disk flange (1), an electromagnetic iron block (9) and a first pressure block (4). The electromagnetic iron block is fixed in the upper disk flange through the first pressure block (4). The lower portion of the damper comprises a disk (10), a lower disk flange (19) and a hydraulic cylinder (11), wherein the lower disk flange (19) is arranged oppositely to the disk, and the hydraulic cylinder (11) connects the disk with the lower disk flange without leakage. The lower disk flange, the disk and the hydraulic cylinder form a closed leakage-free space filled with damping fluid (12). The lower portion further comprises a piston (14), a circular shaft (7), a first spring (8), a second spring (20), a permanent magnet (17) and a second pressure block (13). A circular hole (21) is arranged at the circular center of the piston (14). The piston in the damper is pushed to move by magnetic force and the springs, so that damping fluid can flow through the circular hole on the piston and consumes energy when in motion of the piston.
Description
Technical field
The utility model proposes a kind of electromagnetic fluid damper, belongs to the technical field of structural vibration control.
Background technique
Fluid damper is a kind of effective structural damping device, but in the fluid damper working procedure, exists the possibility of fluid damper inner fluid seepage, and therefore in the occasion that does not allow leakage, the use of fluid damper just is restricted.The utility model proposes a kind of electromagnetic fluid damper, and this damper is difficult for taking place the leakage fault.
Summary of the invention
Technical problem:The purpose of the utility model is through createing a kind of no leak fluid damper, being specially adapted to not allow the structural vibration control under the leakage condition.
Technological scheme:The utility model is selected the stock of nonmagnetic substance, damp liquid, electromagnet block, this a kind of electromagnetic fluid damper of permanent magnetic iron block conduct for use, and damp liquid is filled in the closed hydraulic pressure cylinder.Specifically utilize spring and magnetic force to promote piston motion, when piston motion, the aperture (damping hole) that damp liquid passes on the piston plays dissipative structure vibrational energy effect.
This damper comprises separate two-part up and down, and top comprises: top disc flange, electromagnet block, first briquetting; Electromagnet block is fixed in the disc flange of top through first briquetting;
This damper bottom comprises: disk, the lower disk flange that is oppositely arranged with disk, disk and lower disk flange do not had leak the oil hydraulic cylinder that is connected; Lower disk flange, disk and oil hydraulic cylinder are formed closed no leakage space, and damp liquid is full of this closed no leakage space;
Said damper bottom also comprises piston, circular shaft, first spring, second spring, permanent magnetic iron block, second briquetting; Circle centre position at piston is provided with circular hole; Circular shaft passes the circular hole of piston; The circular shaft lower end surface does not have leakage with the lower disk flange and is connected, and the upper-end surface of circular shaft flushes with the outer surface of disk and do not have to leak and is connected; Piston is along the oil hydraulic cylinder axial motion; Piston places the middle part of oil hydraulic cylinder through first spring and second spring; Wherein the lower end of first spring is connected with piston upper surface; The upper end of first spring is connected with the top of circular shaft, and an end of second spring is connected with the piston lower surface, and the other end of second spring is connected with circular shaft bottom; Permanent magnetic iron block is fixed in the piston through second briquetting, has little round tube hole on the piston, and the line of action of making a concerted effort of the damping force that when damp liquid flows through the roundlet through hole, produces and the dead in line of circular shaft.
The distance that the upper-end surface of circular shaft is left in the upper end of first spring is the thickness of disk.
The axis of the axis of top disc flange, the axis of disk, oil hydraulic cylinder, the axis of piston and the dead in line of circular shaft; First spring is to the effect line of action of force of piston and the dead in line of piston; Second spring is to the effect line of action of force of piston and the dead in line of piston; The line of action of making a concerted effort of the suffered magnetic force of electromagnet block and the dead in line of circular shaft; The line of action of making a concerted effort of the suffered magnetic force of permanent magnetic iron block and the dead in line of circular shaft.
Said electromagnet block reaches the direction and strong and weak purpose that changes the electromagnetic field that electromagnet block produced through the size and Orientation of adjusting electric current, and then the size and Orientation of the suffered magnetic force of active adjustment permanent magnetic iron block, reaches the purpose of Active Vibration Control.
During use, top disc flange (or lower disk flange) is through being bolted on the oscillating body, and lower disk flange (or top disc flange) is through being bolted on the static basis.
Beneficial effect:Oil hydraulic cylinder, lower disk flange, disk are formed does not have the confined space of leakage; Piston is promoted in this confined space, to move along circular shaft by magnetic force and spring; When piston motion; Damp liquid flows through the little round tube hole on the piston, and damp liquid consumes energy when flowing through the roundlet through hole on the piston, plays the effect that suppresses vibration.Because piston does not only move in having the confined space of leakage, and does not use motive sealing, the phenomenon of leakage of general a kind of electromagnetic fluid damper in the vibration control process can not appear in this a kind of electromagnetic fluid damper.
Description of drawings
Fig. 1 be a kind of electromagnetic fluid damper face the sectional structure schematic representation;
Fig. 2 is the worm's eye view of top disc flange 1;
Fig. 3 is the structural representation of a T shape cylindrical slot 27 of top disc flange 1;
Fig. 4 is that the A-A of Fig. 2 middle and upper part disc flange 1 is to the sectional structure schematic representation;
Fig. 5 is equipped with the A-A of top disc flange 1 of electromagnet block 9 to sectional view among Fig. 2;
Fig. 6 is the plan view of piston 14 among Fig. 1;
Fig. 7 is the structural representation of the 2nd T shape cylindrical slot 30 of piston 14 among Fig. 6;
Fig. 8 is that the B-B of piston 14 among Fig. 6 is to sectional view;
Fig. 9 be equipped with among Fig. 6 column permanent magnetic iron block 17 piston 14 B-B to sectional view;
Have among the above figure: top disc flange 1, the first bolt hole 2, the first bolts 3, the first briquettings 4, the first unthreaded holes 5, the first tapped holes 6; Circular shaft 7, the first springs 8, electromagnet block 9, disk 10, oil hydraulic cylinder 11, damp liquid 12; The second post briquetting 13, piston 14, the second unthreaded holes 15, the second tapped holes 16, permanent magnetic iron block 17, the second bolts hole 18; Lower disk flange 19, the second springs 20, circular hole 21, roundlet through hole 22, the second bolts 23; Negative conductor 24, positive conductor 25, ABAP Adapter 26, the one T shape cylindrical slot 27
The less cylindrical slot 28 of the one T shape cylindrical slot 27 upper width; The bigger cylindrical slot 29 of the one T shape cylindrical slot 27 lower width; The less cylindrical slot 32 of cylindrical slot 31, the two T shape cylindrical slot, 30 lower width that the 2nd T shape cylindrical slot 30, the two T shape cylindrical slot 30 upper width are bigger; The 3rd unthreaded hole 33, the four unthreaded holes 34.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
The utility model proposes a kind of electromagnetic fluid damper; Utilize magnetic force and spring to promote the piston motion in the damper; When piston motion; Damp liquid flows through the little round tube hole (damping hole) on the piston, and the effect that control is vibrated is played in power consumption when damp liquid flows through the little round tube hole (damping hole) on the piston.
The embodiment's of the utility model description in fact only is exemplary, and purpose never is to limit the application or the use of the utility model.
The upper surface of the piston 14 on a kind of electromagnetic fluid damper has the 2nd T shape cylindrical slot 30, the two T shape cylindrical slot 30 to be made up of the less cylindrical slot 32 of the lower width of the 2nd T shape cylindrical slot 30 and the bigger cylindrical slot 31 of upper width of the 2nd T shape cylindrical slot 30; The shape of the cylindrical slot 32 that the shape of column permanent magnetic iron block 17 and the lower width of the 2nd T shape cylindrical slot 30 are less is identical, the cylindrical slot 32 that the lower width of the size of column permanent magnetic iron block 17 and the 2nd T shape cylindrical slot 30 is less measure-alike; Column permanent magnetic iron block 17 places in the less cylindrical slot 32 of the lower width of the 2nd T shape cylindrical slot 30; The lower surface of the lower surface of column permanent magnetic iron block 17 and the 2nd T shape cylindrical slot 30 is fitted, i.e. the lower surface applying of the less cylindrical slot 32 of the lower width of the lower surface of column permanent magnetic iron block 17 and the 2nd T shape cylindrical slot 30; The magnetic pole of column permanent magnetic iron block 17 is at two end faces up and down; The shape of the cylindrical slot 31 that the shape of the second column briquetting 13 and the upper width of the 2nd T shape cylindrical slot 30 are bigger is identical, the cylindrical slot 31 that the upper width of the size of the second column briquetting 13 and the 2nd T shape cylindrical slot 30 is bigger measure-alike; Second tapped hole 16 is uniformly distributed with along a circumference of the bigger cylindrical slot 31 of the upper width of the 2nd T shape cylindrical slot 30; Circumference at the second column briquetting 13 is uniformly distributed with second unthreaded hole 15; The second column briquetting 13 places in the bigger cylindrical slot 31 of the upper width of the 2nd T shape cylindrical slot 30, and the upper surface of the lower surface of the second column briquetting 13 and column permanent magnetic iron block 17 is fitted, the flush of the upper surface of the second column briquetting 13 and piston 14; The quantity of second unthreaded hole 15 on the second column briquetting 13 is identical with the quantity of second tapped hole 16 of the 2nd T shape cylindrical slot 30 of piston 14, the dead in line of second tapped hole 16 of the 2nd T shape cylindrical slot 30 of the axis of second unthreaded hole 15 on the second column briquetting 13 and piston 14; Passing second unthreaded hole 15 with second bolt, 23 ends is screwed into second tapped hole 16 and can the second column briquetting 13 be compressed; The lower surface of top disc flange 1 has a T shape cylindrical slot 27, the one T shape cylindrical slot 27 to be made up of the less cylindrical slot 28 of the upper width of a T shape cylindrical slot 27 and the bigger cylindrical slot 29 of lower width of a T shape cylindrical slot 27; The shape of the cylindrical slot 28 that the shape of column electromagnet block 9 and the upper width of a T shape cylindrical slot 27 are less is identical, the cylindrical slot 28 that the upper width of the size of column electromagnet block 9 and a T shape cylindrical slot 27 is less measure-alike; Column electromagnet block 9 places in the less cylindrical slot 28 of the upper width of a T shape cylindrical slot 27; The upper surface of the upper surface of column electromagnet block 9 and a T shape cylindrical slot 27 is fitted, i.e. the upper surface applying of the less cylindrical slot 28 of the upper width of the upper surface of column electromagnet block 9 and a T shape cylindrical slot 27; Two magnetic poles of column electromagnet block 9 are at two end faces up and down; The shape of the cylindrical slot 29 that the shape of the first column briquetting 4 and the lower width of a T shape cylindrical slot 27 are bigger is identical, the cylindrical slot 29 that the lower width of the size of the first column briquetting 4 and a T shape cylindrical slot 27 is bigger measure-alike; First tapped hole 6 is uniformly distributed with along a circumference of the bigger cylindrical slot 29 of the lower width of a T shape cylindrical slot 27; Circumference at the first column briquetting, 4 end faces is uniformly distributed with first unthreaded hole 5; The first column briquetting 4 places in the bigger cylindrical slot 29 of the lower width of a T shape cylindrical slot 27, and the lower surface of the upper surface of the first column briquetting 4 and column electromagnet block 9 is fitted, and the lower surface of the first column briquetting 4 flushes with the lower surface of top disc flange 1; The quantity of first unthreaded hole 5 on the first column briquetting 4 is identical with the quantity of first tapped hole 6 of a T shape cylindrical slot 27 of top disc flange 1, the dead in line of first tapped hole 6 of a T shape cylindrical slot 27 of the axis of first unthreaded hole 5 on the first column briquetting 4 and top disc flange 1; First bolt 3 passes first unthreaded hole 5 and is screwed into first tapped hole 6, can the first column briquetting 4 be compressed; Also have the 3rd unthreaded hole 33, the 4th unthreaded hole 34 on the first column briquetting 4; Negative conductor 24 on the column electromagnet block 6 passes the 3rd unthreaded hole 34 and links to each other with the negative pole of ABAP Adapter 26, and the positive conductor 25 on the column electromagnet block 6 passes the 4th unthreaded hole 33 and links to each other with the positive pole of ABAP Adapter 26; The upper surface of lower disk flange 19 does not have leakage with the lower end surface of oil hydraulic cylinder 11 and is connected; The lower end surface of disk 10 does not have leakage with the upper-end surface of oil hydraulic cylinder 11 and is connected; Circular shaft 7 lower end surfaces do not have leakage with lower disk flange 19 and are connected; The upper-end surface of circular shaft 7 flushes with the upper-end surface of disk 10 and does not have to leak and is connected, and lower disk flange 19 seals out a closed no leakage space that is full of damp liquid 12 with oil hydraulic cylinder 11, disk 10 and circular shaft 7; Second bolt hole 18 is uniformly distributed with along circumference on the lower disk flange 19, and second bolt hole 18 is distributed in oil hydraulic cylinder 11 outsides; Circular shaft 7 passes piston 14, first spring 8 and second spring 20; Piston 14 is positioned at oil hydraulic cylinder 11 middle parts; The lower end of first spring 8 is connected with piston 14 upper surfaces, and the upper end of first spring 8 is connected with the top of the cylndrical surface of circular shaft 7, and the distance that the upper-end surface of circular shaft 7 is left in the upper end of first spring 8 is the thickness of disk 10; One end of second spring 20 is connected with piston 14 lower surfaces, being connected bottom of the cylndrical surface of the other end of second spring 20 and circular shaft 7; The direction of vibration of oscillating body and oil hydraulic cylinder 11 deads in line during use; Top disc flange 1 is fixed by bolts on the oscillating body through first bolt hole 2 on it; Lower disk flange 19 is fixed by bolts on the static basis through second bolt hole 18 on it, and the distance of the upper surface of the lower surface of top disc flange 1 and disk 10 is greater than the maximum vibration displacement of oscillating body with respect to the basis; During use or lower disk flange 19 is fixed by bolts on the oscillating body through second bolt hole 18 on it; Top disc flange 1 is fixed by bolts on the static basis through first bolt hole 2 on it, and the distance of the upper surface of the lower surface of lower disk flange 19 and top disc flange 1 is greater than the maximum vibration displacement of oscillating body with respect to the basis; The dead in line of the axis of the axis of the axis of the axis of the axis of top disc flange 1, lower disk flange 19, oil hydraulic cylinder 11, disk 10, piston 14 and circular shaft 7.
Each parts of this damper are except that electromagnet block 9 with the permanent magnetic iron block 17; Other parts are all with non-ferromagnetic metal or alloy material (aluminum alloy for example; Stainless steel etc.) make; Electromagnet block 9 and permanent magnetic iron block 17 are columnar magnet piece (like cylindric electromagnet block 9, cylindrical permanent magnet piece 17), and all springs are all chosen the coil component spring form.The concrete process of making of a kind of electromagnetic fluid damper can follow these steps to carry out:
The first step: according to the vibration control requirement, selected top disc flange 1, the first column briquetting 4, circular shaft 7; First spring 8, column electromagnet block 9, disk 10, oil hydraulic cylinder 11; The second column briquetting 13, piston 14, column permanent magnetic iron block 17, lower disk flange 19; The size of second spring 20, the one T shape cylindrical slot, 27, the two T shape cylindrical slot 30 and circular hole 21; Selected silicone oil is as damp liquid 12; According to the vibration control requirement, quantity, position and the size of selected first bolt hole, 2, the first unthreaded hole 5, the first tapped holes, 6, the second unthreaded hole 15, the second tapped holes, 16, the second bolts hole 18 and roundlet through hole 22.For example: after installing at damper; Piston 14 is positioned at the installation requirement of the centre of oil hydraulic cylinder 11; After damper installs; Piston 14 is in the equilibrium of forces state under the acting in conjunction of magnetic force and first spring 8 and second spring 20, confirmed the parameter of first spring 8 and second spring 20 by conventional Mechanics Calculation.When vibration was simple harmonic oscillation, the height of oil hydraulic cylinder 11 was not less than the twice of the maximum vibration displacement of oscillating body.
Second step: circular shaft 7 passes the circular hole 21 of piston 14; One end of first spring 8 is welded on piston 14 upper surfaces; The other end of first spring 8 is welded on the top of the cylndrical surface of circular shaft 7, and the upper end of first spring 8 is the thickness of disk 10 from the distance of the upper-end surface of circular shaft 7; One end of second spring 20 is welded on piston 14 lower surfaces, and the cylndrical surface that the other end of second spring 20 is welded on circular shaft 7 bottom; All must guarantee the axis of circular shaft 7, the axis of piston 14, the axis of first spring 8 and the dead in line of second spring 20 before and after the welding; Must guarantee the effect line of action of force of 8 pairs of pistons 14 of first spring and the dead in line of piston 14 after the welding; The effect line of action of force of 20 pairs of pistons 14 of second spring and the dead in line of piston 14.
The 3rd step: column permanent magnetic iron block 17 is placed in the less cylindrical slot 32 of the lower width of the 2nd T shape cylindrical slot 30 of piston 14, the arctic is down up in the magnetic pole South Pole of column permanent magnetic iron block 17; The lower surface of the lower surface of column permanent magnetic iron block 17 and the 2nd T shape cylindrical slot 30 is fitted, i.e. the lower surface applying of the less cylindrical slot 32 of the lower width of the lower surface of column permanent magnetic iron block 17 and the 2nd T shape cylindrical slot 30; The second column briquetting 13 is placed in the bigger cylindrical slot 31 of the upper width of the 2nd T shape cylindrical slot 30, and the upper surface of the lower surface of the second column briquetting 13 and column permanent magnetic iron block 17 is fitted, the flush of the upper surface of the second column briquetting 13 and piston 14; Dead in line with second tapped hole 16 on the 2nd T shape cylindrical slot 30 of the axis of second unthreaded hole 15 on the second column briquetting 13 and piston 14; Pass second unthreaded hole 15 with second bolt 23 and be screwed into second tapped hole 16 and tighten, the second column briquetting 13 is compressed.
The 4th step: the lower end surface of circular shaft 7 is welded on the upper surface of lower disk flange 19, all must guarantees the dead in line of the axis and the circular shaft 7 of lower disk flange 19 before and after the welding.
The 5th step: oil hydraulic cylinder 11 is enclosed within outside the piston 14, and the upper surface welding of the lower end surface of oil hydraulic cylinder 11 and lower disk flange 19 all must guarantee the dead in line of the axis and the oil hydraulic cylinder 11 of lower disk flange 19 before and after the welding.
The 6th step: the circle centre position at disk 10 bores circular hole a, and the diameter of circular hole a is a bit larger tham the diameter (getting concrete numerical value by conventional welding conditions) of circular shaft 7, the dead in line of the axis of circular hole a and disk 10; Axis symmetry about disk 10 is bored small sircle hole b and small sircle hole c on disk 10 again; Small sircle hole b and small sircle hole c axis separately equal oil hydraulic cylinder 11 from the distance of the axis of disk 10 inside radius is half the with the radius sum of circular hole a, small sircle hole b and small sircle hole c partly less than the inside radius of oil hydraulic cylinder 11 deduct circular hole a radius numerical value 1/2nd.
The 7th step: then the 6th step was inserted in the top of circular shaft 7 and bore among the circular hole a, the lower surface of disk 10 is placed on the upper-end surface of oil hydraulic cylinder 11.The upper-end surface of oil hydraulic cylinder 11 is welded on the lower surface of disk 10, again with the upper-end surface of circular shaft 7 and disk 10 the 6th the step institute circular hole a place of boring weld, weld front and back and all must guarantee the axis of oil hydraulic cylinder 11, the axis of disk 10, the dead in line of circular shaft 7.
The 8th step: use earlier funnel that silicone oil is filled with oil hydraulic cylinder 11 as damp liquid by the 6th step small sircle hole b that bores, filled with oil hydraulic cylinder 11 through small sircle hole b with small sircle hole c observation damp liquid after, again with the 6th go on foot the small sircle hole b that bores and small sircle hole c weld and block.
The 9th step: column electromagnet block 9 is placed in the less cylindrical slot 28 of the upper width of a T shape cylindrical slot 27 of top disc flange 1, the arctic is down up in the magnetic pole South Pole of column electromagnet block 9; The upper surface of the upper surface of column electromagnet block 9 and a T shape cylindrical slot 27 is fitted, i.e. the upper surface applying of the less cylindrical slot 28 of the upper width of the upper surface of column electromagnet block 9 and a T shape cylindrical slot 27; The first column briquetting 4 is placed in the bigger cylindrical slot 29 of the lower width of a T shape cylindrical slot 27; The lower surface of the upper surface of the first column briquetting 4 and column electromagnet block 9 is fitted, and the lower surface of the first column briquetting 4 flushes with the lower surface of top disc flange 1; Axial alignment (coincidence) with axis with first tapped hole 6 of a T shape cylindrical slot 27 of top disc flange 1 of first unthreaded hole 5 on the first column briquetting 4; Pass first unthreaded hole 5 with bolt and be screwed into first tapped hole 6 and tighten, the first column briquetting 4 is compressed.
The tenth step: pass the 3rd unthreaded hole 33 on the first column briquetting 4 to the positive conductor on the column electromagnet block 9 25, and link to each other with the positive pole of ABAP Adapter 26; Pass the 4th unthreaded hole 34 on the first column briquetting 4 to the negative conductor on the column electromagnet block 9 24, and link to each other with the negative pole of ABAP Adapter 26.
So far just can realize the invention of this a kind of electromagnetic fluid damper.
Claims (4)
1. an electromagnetic fluid damper is characterized in that this damper comprises separate two-part up and down, and top comprises: top disc flange (1), electromagnet block (9), first briquetting (4); Electromagnet block (9) is fixed in the top disc flange (1) through first briquetting (4);
This damper bottom comprises: disk (10), the lower disk flange (19) that is oppositely arranged with disk (10), disk (10) and lower disk flange (19) do not had leak the oil hydraulic cylinder (11) that is connected; Lower disk flange (19), disk (10) and oil hydraulic cylinder (11) are formed closed no leakage space, and damp liquid (12) is full of this closed no leakage space;
Said damper bottom also comprises piston (14), circular shaft (7), first spring (8), second spring (20), permanent magnetic iron block (17), second briquetting (13); Circle centre position at piston (14) is provided with circular hole (21); Circular shaft (7) passes the circular hole (21) of piston (14); Circular shaft (7) lower end surface does not have leakage with lower disk flange (19) and is connected, and the upper-end surface of circular shaft (7) flushes with the outer surface of disk (10) and do not have to leak and is connected; Piston (14) is along oil hydraulic cylinder (11) axial motion; Piston (14) places the middle part of oil hydraulic cylinder (11) through first spring (8) and second spring (20); Wherein the lower end of first spring (8) is connected with piston (14) upper surface; The upper end of first spring (8) is connected with the top of circular shaft (7), and an end of second spring (20) is connected with piston (14) lower surface, and the other end of second spring (20) is connected with circular shaft (7) bottom; Permanent magnetic iron block (17) is fixed in the piston (14) through second briquetting (13); Have little round tube hole (22) on the piston (14), and the line of action of making a concerted effort of the damping force that when damp liquid (12) flows through little round tube hole (22), produces and the dead in line of circular shaft (7).
2. a kind of electromagnetic fluid damper according to claim 1 is characterized in that: the distance that the upper-end surface of circular shaft (7) is left in the upper end of first spring (8) is the thickness of disk (10).
3. a kind of electromagnetic fluid damper according to claim 1 is characterized in that: the axis of the axis of the axis of top disc flange (1), disk (10), the axis of oil hydraulic cylinder (11), piston (14) and the dead in line of circular shaft (7); First spring (8) is to the dead in line of the effect line of action of force and the piston (14) of piston (14); Second spring (20) is to the dead in line of the effect line of action of force and the piston (14) of piston (14); The line of action of making a concerted effort of the suffered magnetic force of electromagnet block (9) and the dead in line of circular shaft (7); The line of action of making a concerted effort of the suffered magnetic force of permanent magnetic iron block (17) and the dead in line of circular shaft (7).
4. a kind of electromagnetic fluid damper according to claim 1; It is characterized in that: said electromagnet block (9); Size and Orientation through the adjustment electric current reaches the direction and strong and weak purpose that changes the electromagnetic field that electromagnet block (9) produced; And then the size and Orientation of the suffered magnetic force of active adjustment permanent magnetic iron block (17), reach the purpose of Active Vibration Control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200539846U CN202484183U (en) | 2012-02-20 | 2012-02-20 | Electromagnetic fluid damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200539846U CN202484183U (en) | 2012-02-20 | 2012-02-20 | Electromagnetic fluid damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202484183U true CN202484183U (en) | 2012-10-10 |
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ID=46958609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200539846U Expired - Fee Related CN202484183U (en) | 2012-02-20 | 2012-02-20 | Electromagnetic fluid damper |
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| Country | Link |
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| CN (1) | CN202484183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537190A (en) * | 2012-02-20 | 2012-07-04 | 东南大学 | Electromagnetic fluid damper |
-
2012
- 2012-02-20 CN CN2012200539846U patent/CN202484183U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537190A (en) * | 2012-02-20 | 2012-07-04 | 东南大学 | Electromagnetic fluid damper |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20130220 |