CN204985491U - Integrated magneto rheological damper who presents ability function - Google Patents
Integrated magneto rheological damper who presents ability function Download PDFInfo
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- CN204985491U CN204985491U CN201520680224.1U CN201520680224U CN204985491U CN 204985491 U CN204985491 U CN 204985491U CN 201520680224 U CN201520680224 U CN 201520680224U CN 204985491 U CN204985491 U CN 204985491U
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- piston
- inductor coil
- piston rod
- manhole
- seal ring
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Abstract
The utility model discloses an integrated magneto rheological damper who presents ability function mainly constitutes by presenting ability device, upper end cover, bottom end cover, outer sleeve and piston etc.. Present place the piston rod cavity in can the device in, through holding pin and connecting plate with 8 permanent magnets and 1 spacer fixed mounting on the bracing piece. The up -and -down motion of piston rod will drive induction coil bobbin reciprocating motion, permanent magnet effect down, the induction coil of winding on the induction coil bobbin will produce the alternating current, convert the direct current to through rectifier circuit after, can directly be used for the wind exciting coil's of inslot dc supply of piston, the production can supply the damping force, in addition, the direct current after the conversion also can be stored in tank to the real energy collection that realizes vibration machinery ability. The utility model discloses collect present can the function and the damping force controllable in an organic whole, simple structure, the space utilizes rationally, overall structure is compact, is particularly suitable for being applied to in a particular case's such as outage the damping system that combats earthquake.
Description
Technical field
The utility model relates to a kind of MR damper, particularly relates to a kind of MR damper of integrated energy regenerative function.
Background technique
MR damper is a kind of Novel intelligent damper part be widely used in semi-active control aystem.It is mainly by applying a certain size electric current to the drive coil in damper piston winding slot, produce magnetic field and the yield strength of the magnetic flow liquid flowed through in liquid chunnel is changed, thus dynamically changes output damping force.
The feature that the Millisecond speed of response that MR damper has, large control range and large damping force export, makes it become half outstanding active actuators part of industrial application.At present, MR damper obtains extensive use in vibration damping of the vibration damping vibration prevention system of building and bridge, rail vehicles and automobile suspension system etc.But existing MR damper needs adjustable magnetic field excitation, this needs external power supply to input.And at some special occasions, such as remote districts, electric power is difficult to send to; Or due to the reasons such as natural disaster cause power supply be difficult to continue ensure, these factors will restriction MR damper application.
Publication number is that the sensor of structural vibration and the power supply of MR damper are integrated on minitype permanent magnetism formula direct current generator by the Chinese invention patent " a kind of self-power-supply magnetorheological intelligent vibration damping device " of CN200710034309.2, drive DC generator to generate electricity by the mode being arranged in the rack geared outside vibration damper, reach the object of powering to MR damper.But its narrow limitation is also obvious, because electricity generating device is arranged in outside damper, cause whole vibration insulating system bulky, and higher to operating environment requirements.Publication number is that the Chinese invention patent " a kind of self-supplied magnetic current damper " of CN101550982A proposes a multiple-blade butterfly electromagnetic mechanical energy collecting device, and energy collecting device is arranged on the piston base of MR damper.But this structure also has certain narrow limitation, because magnetic flow liquid is thicker, cause blade rotational speed slow, the electric energy of generation is not enough to realize powering to the field coil in damper.
Based on this, be necessary the MR damper proposing a kind of novel integrated energy regenerative function, realize the highly effective gathering of damper vibration mechanical energy, and effectively reduce the boundary dimension of damper.
Summary of the invention
In order to overcome MR damper Problems existing described in background technique and meet the actual operation requirements of MR damper, the utility model provides a kind of MR damper of integrated energy regenerative function.8 permanent magnets of order installation and 1 partition are fixedly mounted on strut by fixed pin and fastening sheet by the energy regenerative function of this damper, and every 4 permanent magnets are one group; The inductor coil be wrapped on inductor coil drum is made up of two groups of absolute coils, and dynamic is answered coil winding frame to-and-fro motion by moving up and down of piston rod; Under permanent magnet effect, inductor coil will produce Ac in to-and-fro motion, convert the Ac of generation to two-phase direct current by rectification circuit, thus can be directly used in the direct current supply of the drive coil in piston winding slot, and generation can supply damping force; In addition, the direct current after conversion also can be stored in accumulator, thus really realizes energy acquisition and the recycling of vibration mechanical energy.The utility model integrates energy acquisition and damping force is controlled, and by being built in plunger by energy feed system, structure is simple, and space utilization is reasonable, effectively reduces the overall structure size of damper.
The utility model solves the technological scheme that its technical problem adopts and comprises: strut (1), nut I (2), lower end cap (3), outer sleeve (4), floating piston (5), baffle plate (6), field coil (7), piston (8), inductor coil (9), seal ring I (10), partition (11), piston rod (12), inductor coil drum (13), upper end cap (14), screw I (15), fastening sheet (16), permanent magnet (17), fixed pin (18), seal ring II (19), screw II (20), seal ring III (21), seal ring IV (22), screw III (23), seal ring V (24), lower end cap (3) and outer sleeve (4) are rigidly connected by screw III (23), manhole is processed with in the middle of lower end cap (2), strut (1) and lower end cap (3) manhole Spielpassung, sealed by seal ring V (24) between strut (1) and lower end cap (3) manhole, strut (1) lower end head is processed with outside thread, and is fastenedly connected by nut I (2), manhole is processed with, floating piston (5) manhole internal surface and strut (1) outer surface Spielpassung in the middle of floating piston (5), floating piston (5) circle end face coordinates with outer sleeve (4) internal surface gaps, and is sealed by seal ring III (21), fixed pin (18) upper end portion and underpart are processed with outside thread respectively, fixed pin (18) underpart is threaded with strut (1) upper end portion, manhole is processed with, permanent magnet (17) manhole internal surface and fixed pin (18) outer surface transition fit in the middle of permanent magnet (17), manhole is processed with, partition (11) manhole internal surface and fixed pin (18) outer surface transition fit in the middle of partition (11), 8 permanent magnets (17) are arranged on fixed pin (18), and permanent magnet (17) with-S pole, N pole in opposite directions, place by-N pole, S pole structure in opposite directions, 4 permanent magnets (17) form one group, between separated by a partition (11), partition (11) and permanent magnet (17) are arranged on fixed pin (18) in order successively, and are compressed by fastening sheet (16), be processed with tapped through hole in the middle of fastening sheet (16), fastening sheet (16) and fixed pin (18) are rigidly connected by screw thread, inductor coil drum (13) is processed with 2 winding slots, inductor coil (9) is wrapped in inductor coil drum (13) winding slot, manhole is processed with in the middle of piston rod (12), inductor coil drum (13) outer surface coordinates with piston rod (12) manhole internal surface gaps, inductor coil drum (13) upper-end surface and upper end cap (14) end contact, inductor coil drum (13) lower end surface and baffle plate (6) end contact, piston (8) internal surface and piston rod (12) lower end outer surface transition fit, piston (8) carries out axially locating by the shoulder of piston rod (12) lower end, piston (8) outer side surface is processed with winding slot, and drive coil (7) is wrapped in piston (8) winding slot, manhole is processed with, baffle plate (6) and strut (1) transition fit in the middle of baffle plate (6), baffle plate (6) and strut (1) are sealed by seal ring IV (22), baffle plate (6) and piston (8) are sealed by seal ring III (19), piston (8) and piston rod (12) are sealed by seal ring II (19), piston rod (12) and outer sleeve (4) are sealed by seal ring I (10), screw II (20) is used for fixing baffle plate (6) and piston rod (12), carries out axial restraint to inductor coil drum (13) and piston (8) simultaneously, upper end cap (14) is fixedly connected with by screw I (15) with piston rod (12).Energy recycle device is made up of strut (1), piston rod (12), inductor coil (9), inductor coil drum (13), permanent magnet (17), partition (11), fastening sheet (16) and fixed pin (18); Strut (1) and fixed pin (18) are made up of non-magnet_conductible material; Piston rod (12), inductor coil drum (13), partition (11) and fastening sheet (16) are made up of permeability magnetic material; The magnetic line of force that energy recycle device produces enters partition (11) and inductor coil drum (13) by the N pole of permanent magnet (17), arrive piston rod (12) inwall, returned to the S pole of permanent magnet (17) again by inductor coil drum (13), form closed magnetic circuit; Inductor coil (9) is made up of two groups of absolute coils, is wound in inductor coil drum (13) winding slot respectively; Because inductor coil (9) produces Ac in to-and-fro motion, by rectification circuit, Ac is converted to two-phase direct current, be directly used in the direct current supply of the drive coil (7) in piston (8) winding slot, generation can supply damping force; Also can be stored in accumulator.The lead-in wire B of two groups of absolute coils of inductor coil (9)
0, B
1and C
0, C
1entered the wire lead slot (102) of inductor coil drum (13) upper end portion respectively by the wire lead slot (103) of inductor coil drum (13), then draw from the fairlead (101) of upper end cap (16); The lead-in wire A of drive coil (7)
0, A
1the wire lead slot (201) of piston rod (12) is entered by the wire lead slot (202) of piston (8), then entered the wire lead slot (102) of inductor coil drum (13) upper end portion by the wire lead slot (103) of inductor coil drum (13), finally draw from the fairlead (101) of upper end cap (14).Closed cavity volume I is surrounded between outer sleeve (4), piston (8) and piston rod (12); Closed cavity volume II is surrounded between floating piston (5), outer sleeve (4) and piston (8); Close in cavity volume I and closed cavity volume II and fill magnetic flow liquid; The closed cavity volume III surrounded between floating piston (5), outer sleeve (4) and lower end cap (3) fills pressurized gas; When piston rod (12) moves up and down, can there is respective change in the volume of filling closed cavity volume I and II of magnetic flow liquid, and now floating piston (8) can realize volume compensation by fluctuating.
The utility model is compared with background technique, and the beneficial effect had is:
(1) 8 permanent magnets of order installation and 1 partition are fixedly mounted on strut by fixed pin and fastening sheet by the utility model energy feed system, and every 4 permanent magnets are 1 group; The inductor coil be wrapped on inductor coil drum is made up of two groups of absolute coils, and dynamic is answered coil winding frame to-and-fro motion by moving up and down of piston rod; Under permanent magnet effect, inductor coil will produce Ac in to-and-fro motion, convert the Ac of generation to two-phase direct current by rectification circuit, thus can be directly used in the direct current supply of the drive coil in piston winding slot, produce controllable damping force.The utility model can make MR damper not rely on extra power just can normally work, thus further increases the application area of MR damper.
(2) direct current changed in the utility model energy regenerative process also can be stored in accumulator, thus really realizes energy acquisition and the recycling of vibration mechanical energy.
(3) the utility model integrates energy acquisition and damping force is controlled, and by being built in plunger by energy feed system, structure is simple, and space utilization is reasonable, effectively reduces the overall structure size of MR damper.
(4) the utility model can provide higher damping force under lower operating current, and make the overall power of MR damper less, energy utilization efficiency is higher.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is that the utility model permanent magnet and spacer structure arrange schematic diagram.
Fig. 3 is the lead-in wire schematic diagram of two groups of absolute coils in the utility model inductor coil.
Fig. 4 is the utility model drive coil lead-in wire schematic diagram.
Fig. 5 is magnetic line of force distribution schematic diagram in the utility model drive coil and inductor coil.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1, the utility model comprises strut (1), nut I (2), lower end cap (3), outer sleeve (4), floating piston (5), baffle plate (6), field coil (7), piston (8), inductor coil (9), seal ring I (10), partition (11), piston rod (12), inductor coil drum (13), upper end cap (14), screw I (15), fastening sheet (16), permanent magnet (17), fixed pin (18), seal ring II (19), screw II (20), seal ring III (21), seal ring IV (22), screw III (23), seal ring V (24).
Fig. 2 is that the utility model permanent magnet and spacer structure arrange schematic diagram.Permanent magnet 17 with-S pole, N pole in opposite directions,-N pole, S pole structural configuration in opposite directions, every 4 permanent magnets 17 form one group, are separated between two groups by a partition 11, partition 11 and 8 permanent magnets 17 are arranged on fixed pin 18 in order successively, and are compressed by fastening sheet 16; Fastening sheet 16 and fixed pin 18 are rigidly connected by screw thread.
It is the lead-in wire schematic diagram of two groups of absolute coils in the utility model inductor coil shown in Fig. 3.Inductor coil 9 is made up of two groups of absolute coils, is wound in respectively in inductor coil drum 13 winding slot.Inductor coil drum 13 is provided with 2 winding slots, and wherein one group of absolute coil is respectively from winding slot
and winding slot
in be wound around in series, two lead-in wire B
0and B
1entered the wire lead slot 102 of inductor coil drum 13 upper end portion by the wire lead slot 103 of inductor coil drum 13, then draw damper from the fairlead 101 of upper end cap 14; Other one group of absolute coil is respectively from winding slot
and winding slot
in be wound around in series, two lead-in wire C
0and C
1entered the wire lead slot 102 of inductor coil drum 13 upper end portion by the wire lead slot 103 of inductor coil drum 13, then draw damper from the fairlead 101 of upper end cap 14.
It is the utility model drive coil lead-in wire schematic diagram shown in Fig. 4.Two lead-in wire A of drive coil 7
0and A
1entered the wire lead slot 201 of piston rod 12 by the wire lead slot 202 of piston 8, then entered the wire lead slot 102 of inductor coil drum 13 upper end portion by the wire lead slot 103 of inductor coil drum 13, finally draw damper from the fairlead 101 of upper end cap 14.
It is magnetic line of force distribution schematic diagram in the utility model drive coil and inductor coil shown in Fig. 5.The magnetic line of force produced in inductor coil 9 enters partition 11 and inductor coil drum 13 by the N pole of permanent magnet 17, arrives piston rod 12 inwall, then is returned to the S pole of permanent magnet 17 by inductor coil drum 13, forms closed magnetic circuit.
Inductor coil 9 is made up of two groups of absolute coils, is wound in inductor coil drum 13 winding slot respectively; The induced voltage of two groups of absolute coil generations can be expressed as:
(1)
(2)
In formula (1) and (2)
e mfor maximum induction electromotive force,
ωfor excited frequency.
Because inductor coil 9 produces Ac in to-and-fro motion, by rectification circuit, Ac is converted to two-phase direct current.
The magnetic line of force produced in drive coil 7 is by piston 8, and the magnetic flow liquid in liquid chunnel, arrives outer sleeve 4, then through liquid chunnel return piston 8, forms closed magnetic circuit.
Utility model works principle is as follows:
When there is external excitation, piston rod 12 in axial direction does relative movement, dynamic answers coil winding frame 13 reciprocating, under permanent magnet 17 acts on, the inductor coil 9 be wrapped in inductor coil drum 13 will produce Ac in to-and-fro motion, the Ac of generation is converted to two-phase direct current by rectification circuit, thus the direct current supply of the drive coil 7 in piston 8 winding slot can be directly used in, power by giving drive coil 7, produce magnetic field, magnetic flow liquid yield strength in the damping clearance formed between change piston 8 and outer sleeve 4, produce controllable damping force, thus complete the recovery of vibrating machine energy.
If when drive coil 7 is powered separately by external power supply, the direct current that in energy regenerative work, Collect conversion is come also can be stored in accumulator.
Claims (4)
1. the MR damper of an integrated energy regenerative function, it is characterized in that comprising: strut (1), nut I (2), lower end cap (3), outer sleeve (4), floating piston (5), baffle plate (6), field coil (7), piston (8), inductor coil (9), seal ring I (10), partition (11), piston rod (12), inductor coil drum (13), upper end cap (14), screw I (15), fastening sheet (16), permanent magnet (17), fixed pin (18), seal ring II (19), screw II (20), seal ring III (21), seal ring IV (22), screw III (23), seal ring V (24), lower end cap (3) and outer sleeve (4) are rigidly connected by screw III (23), manhole is processed with in the middle of lower end cap (2), strut (1) and lower end cap (3) manhole Spielpassung, sealed by seal ring V (24) between strut (1) and lower end cap (3) manhole, strut (1) lower end head is processed with outside thread, and is fastenedly connected by nut I (2), manhole is processed with, floating piston (5) manhole internal surface and strut (1) outer surface Spielpassung in the middle of floating piston (5), floating piston (5) circle end face coordinates with outer sleeve (4) internal surface gaps, and is sealed by seal ring III (21), fixed pin (18) upper end portion and underpart are processed with outside thread respectively, fixed pin (18) underpart is threaded with strut (1) upper end portion, manhole is processed with, permanent magnet (17) manhole internal surface and fixed pin (18) outer surface transition fit in the middle of permanent magnet (17), manhole is processed with, partition (11) manhole internal surface and fixed pin (18) outer surface transition fit in the middle of partition (11), 8 permanent magnets (17) are arranged on fixed pin (18), and permanent magnet (17) with-S pole, N pole in opposite directions, place by-N pole, S pole structure in opposite directions, 4 permanent magnets (17) form one group, between separated by a partition (11), partition (11) and permanent magnet (17) are arranged on fixed pin (18) in order successively, and are compressed by fastening sheet (16), be processed with tapped through hole in the middle of fastening sheet (16), fastening sheet (16) and fixed pin (18) are rigidly connected by screw thread, inductor coil drum (13) is processed with 2 winding slots, inductor coil (9) is wrapped in inductor coil drum (13) winding slot, manhole is processed with in the middle of piston rod (12), inductor coil drum (13) outer surface coordinates with piston rod (12) manhole internal surface gaps, inductor coil drum (13) upper-end surface and upper end cap (14) end contact, inductor coil drum (13) lower end surface and baffle plate (6) end contact, piston (8) internal surface and piston rod (12) lower end outer surface transition fit, piston (8) carries out axially locating by the shoulder of piston rod (12) lower end, piston (8) outer side surface is processed with winding slot, and drive coil (7) is wrapped in piston (8) winding slot, manhole is processed with, baffle plate (6) and strut (1) transition fit in the middle of baffle plate (6), baffle plate (6) and strut (1) are sealed by seal ring IV (22), baffle plate (6) and piston (8) are sealed by seal ring III (19), piston (8) and piston rod (12) are sealed by seal ring II (19), piston rod (12) and outer sleeve (4) are sealed by seal ring I (10), screw II (20) is used for fixing baffle plate (6) and piston rod (12), carries out axial restraint to inductor coil drum (13) and piston (8) simultaneously, upper end cap (14) is fixedly connected with by screw I (15) with piston rod (12).
2. the MR damper of a kind of integrated energy regenerative function according to claim 1, is characterized in that: energy recycle device is made up of strut (1), piston rod (12), inductor coil (9), inductor coil drum (13), permanent magnet (17), partition (11), fastening sheet (16) and fixed pin (18); Strut (1) and fixed pin (18) are made up of non-magnet_conductible material; Piston rod (12), inductor coil drum (13), partition (11) and fastening sheet (16) are made up of permeability magnetic material; The magnetic line of force that energy recycle device produces enters partition (11) and inductor coil drum (13) by the N pole of permanent magnet (17), arrive piston rod (12) inwall, returned to the S pole of permanent magnet (17) again by inductor coil drum (13), form closed magnetic circuit; Inductor coil (9) is made up of two groups of absolute coils, is wound in inductor coil drum (13) winding slot respectively; Because inductor coil (9) produces Ac in to-and-fro motion, by rectification circuit, Ac is converted to two-phase direct current, be directly used in the direct current supply of the drive coil (7) in piston (8) winding slot, generation can supply damping force; Also can be stored in accumulator.
3. the MR damper of a kind of integrated energy regenerative function according to claim 1, is characterized in that: the lead-in wire B of two groups of absolute coils of inductor coil (9)
0, B
1and C
0, C
1entered the wire lead slot (102) of inductor coil drum (13) upper end portion respectively by the wire lead slot (103) of inductor coil drum (13), then draw from the fairlead (101) of upper end cap (16); The lead-in wire A of drive coil (7)
0, A
1the wire lead slot (201) of piston rod (12) is entered by the wire lead slot (202) of piston (8), then entered the wire lead slot (102) of inductor coil drum (13) upper end portion by the wire lead slot (103) of inductor coil drum (13), finally draw from the fairlead (101) of upper end cap (14).
4. the MR damper of a kind of integrated energy regenerative function according to claim 1, is characterized in that: surround closed cavity volume I between outer sleeve (4), piston (8) and piston rod (12); Closed cavity volume II is surrounded between floating piston (5), outer sleeve (4) and piston (8); Close in cavity volume I and closed cavity volume II and fill magnetic flow liquid; The closed cavity volume III surrounded between floating piston (5), outer sleeve (4) and lower end cap (3) fills pressurized gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520680224.1U CN204985491U (en) | 2015-09-06 | 2015-09-06 | Integrated magneto rheological damper who presents ability function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520680224.1U CN204985491U (en) | 2015-09-06 | 2015-09-06 | Integrated magneto rheological damper who presents ability function |
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|---|---|
| CN204985491U true CN204985491U (en) | 2016-01-20 |
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|---|---|---|---|
| CN201520680224.1U Expired - Fee Related CN204985491U (en) | 2015-09-06 | 2015-09-06 | Integrated magneto rheological damper who presents ability function |
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| Country | Link |
|---|---|
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369101A (en) * | 2016-09-14 | 2017-02-01 | 合肥工业大学 | Energy feedback type magnetorheological fluid energy absorber |
| CN106499769A (en) * | 2016-12-24 | 2017-03-15 | 浙江师范大学 | MR fluid shock absorber under a kind of shearing/extruding tandem working pattern |
| CN107542822A (en) * | 2017-09-04 | 2018-01-05 | 上海大学 | A kind of passive non-contact Verticle vortex magnetic damping generator of single-degree-of-freedom |
| CN110159696A (en) * | 2019-01-08 | 2019-08-23 | 北京机电工程研究所 | Composite buffering damper |
-
2015
- 2015-09-06 CN CN201520680224.1U patent/CN204985491U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369101A (en) * | 2016-09-14 | 2017-02-01 | 合肥工业大学 | Energy feedback type magnetorheological fluid energy absorber |
| CN106369101B (en) * | 2016-09-14 | 2019-03-08 | 合肥工业大学 | A kind of energy magnetorheological fluid acceptor of energy |
| CN106499769A (en) * | 2016-12-24 | 2017-03-15 | 浙江师范大学 | MR fluid shock absorber under a kind of shearing/extruding tandem working pattern |
| CN107542822A (en) * | 2017-09-04 | 2018-01-05 | 上海大学 | A kind of passive non-contact Verticle vortex magnetic damping generator of single-degree-of-freedom |
| CN110159696A (en) * | 2019-01-08 | 2019-08-23 | 北京机电工程研究所 | Composite buffering damper |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20160906 |
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| CF01 | Termination of patent right due to non-payment of annual fee |