CN114135620A - Damper gain device based on magnetic control principle and use method - Google Patents
Damper gain device based on magnetic control principle and use method Download PDFInfo
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- CN114135620A CN114135620A CN202111343496.9A CN202111343496A CN114135620A CN 114135620 A CN114135620 A CN 114135620A CN 202111343496 A CN202111343496 A CN 202111343496A CN 114135620 A CN114135620 A CN 114135620A
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- piston
- damper
- permanent magnet
- cylinder
- gain device
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000013016 damping Methods 0.000 claims abstract description 59
- 239000002245 particle Substances 0.000 claims abstract description 15
- 230000002093 peripheral effect Effects 0.000 claims abstract description 10
- 239000011553 magnetic fluid Substances 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- KPLQYGBQNPPQGA-UHFFFAOYSA-N cobalt samarium Chemical compound [Co].[Sm] KPLQYGBQNPPQGA-UHFFFAOYSA-N 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 claims description 3
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
- F16F9/535—Magnetorheological [MR] fluid dampers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3214—Constructional features of pistons
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
Abstract
One or more embodiments of the present disclosure provide a damper gain device based on a magnetic control principle and a method for using the same, including a cylinder, a piston rod, a plurality of permanent magnets disposed in the cylinder, a permanent magnet support disposed in the cylinder and adjacent to the outer peripheral side of the piston, a plurality of assembling stations disposed on the permanent magnet support for assembling and connecting the permanent magnets correspondingly, the permanent magnets disposed around the outer peripheral side of the piston, a damping medium filled between the cylinder and the piston, and magnetizable particles added in the damping medium, so that based on the magnetic control principle, in the cylinder, the magnetic field generated by the plurality of permanent magnets uniformly surrounding the outer peripheral side of the piston affects the traction of the magnetizable particles, and when the movable telescopic operation in the damper is not affected, the aim of the damping gain of the high-efficiency depth of the damping energy dissipation device is achieved.
Description
Technical Field
One or more embodiments of the present disclosure relate to the technical field of dampers and magnetic fluids, and in particular, to a damper gain device based on a magnetic control principle and a method for using the same.
Background
A damper is a device that uses damping characteristics to damp mechanical vibration and dissipate kinetic energy. The automotive suspension is an assembly of all force-transmitting connecting devices between a frame and an axle (or wheel) of a vehicle, and is used for absorbing vibration generated by uneven road surfaces and attenuating the vibration from the wheel.
After the damper is in service for a long time, the performance of a damping medium can be gradually reduced, so that the damping effect of the damper is greatly influenced, the use range is limited, the use performance is reduced, the service life is reduced, and the like.
Disclosure of Invention
In view of the above, an object of one or more embodiments of the present disclosure is to provide a damper gain device based on a magnetron principle and a method for using the same, so as to achieve a high-efficiency and deep damping gain by a magnetic field generated by permanent magnets uniformly arranged around the damper gain device.
In view of the above, one or more embodiments of the present disclosure provide a damper gain device based on a magnetic control principle, including:
the cylinder, the piston rod, piston rod one end is worn to locate in the cylinder to fixed connection is in the piston, in order to drive the piston along cylinder reciprocating motion, still include a plurality of permanent magnets that set up in the cylinder, the next-door neighbour piston periphery side is provided with the permanent magnet support in the cylinder, be equipped with a plurality of assembly stations on the permanent magnet support, in order to correspond each permanent magnet of erection joint, the permanent magnet encircles the setting of piston periphery side, in the cylinder and between the piston fill there is the damping medium, add in the damping medium and have magnetizable granule.
Preferably, the permanent magnets are uniformly distributed on the outer side surface of the piston at intervals and are supported and connected through permanent magnet supports.
Preferably, be equipped with the uide bushing in the cylinder, the uide bushing is including the last uide bushing that is located the top in the cylinder to and the lower uide bushing that is located the bottom in the cylinder, and damping medium fills in and locates between uide bushing and the piston.
Preferably, a sealing body is arranged on the outer end face of the guide sleeve.
Preferably, the permanent magnet frame comprises:
the retainer is arranged on the upper surface and the lower surface of the piston;
the longitudinal connecting rod is used for connecting the permanent magnets which are longitudinally arranged;
and the transverse connecting rod is used for connecting the permanent magnets which are transversely arranged.
Preferably, the retainer is designed to be in a circular ring structure and used for being attached to the upper surface and the lower surface of the piston in an assembling mode, the longitudinal connecting rod is designed to be in a vertical column shape, and the transverse connecting rod is designed to be in a transverse circular shape and used for being attached to the peripheral side face of the piston in an assembling mode and connecting with each permanent magnet.
Preferably, the permanent magnet frame is made of a non-magnetic conductive material having a certain strength.
Preferably, the magnetizable particles adopt carbonyl iron powder with magnetic permeability, and the size of the carbonyl iron powder is selected to be between 3 and 5 micrometers.
Preferably, the permanent magnet is a high temperature resistant samarium cobalt permanent magnet.
A use method of a damper gain device based on a magnetic control principle is applied to any one gain device, and comprises the following steps:
adding micron-sized carbonyl iron powder into a damping medium with performance reduced due to service;
fixing a permanent magnet on the outer side surface of the piston of the damper through a permanent magnet bracket;
the magnetizable particles are gradually dispersed in the damping medium by the working of the damper, so that the damping medium is gradually converted into magnetic fluid;
through the magnetic field generated by the permanent magnet, a damping medium system in the damping channel is converted from a single damping medium system into a damping medium composite system containing a magnetic chain, so that the property of the damping medium is changed, the damping force of the damper is changed, and the aim of damping gain is fulfilled.
From the above, it can be seen that according to the damper gain device based on the magnetic control principle and the use method thereof provided in one or more embodiments of the present disclosure, the purpose of the damping gain of the effective depth of the damping energy dissipation device is achieved without affecting the movable telescopic operation inside the damper by the influence of the magnetic field generated by the plurality of permanent magnets uniformly surrounding the outer peripheral side surface of the piston on the traction of the magnetizable particles.
Drawings
In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only one or more embodiments of the present specification, and that other drawings may be obtained by those skilled in the art without inventive effort from these drawings.
FIG. 1 is a cross-sectional view of an embodiment of the present invention;
FIG. 2 is a perspective view of the interior of a gain device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a permanent magnet according to an embodiment of the present invention.
In the figure: 1. an upper lifting lug; 2. a piston rod; 3. an upper guide sleeve; 4. a cylinder barrel; 5. a cylinder cover; 6. magnetizable particles; 7. a piston; 8. a lower guide sleeve; 9. a lower lifting lug; 10. a seal body; 11. a holder; 12. a permanent magnet; 13. a longitudinal connecting rod; 14. a transverse connecting rod; 15. and (4) screws.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure is further described in detail below with reference to specific embodiments.
It is to be noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present specification should have the ordinary meaning as understood by those of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in one or more embodiments of the specification is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
A damper gain device based on a magnetic control principle and a using method thereof are disclosed, as shown in figures 1 to 3, the damper gain device comprises a cylinder barrel 4, a piston 7 and a piston rod 2, wherein one end of the piston rod 2 penetrates through the cylinder barrel 4 and is fixedly connected to the piston 7 so as to drive the piston 7 to reciprocate along the inside of the cylinder barrel 4, the damper gain device also comprises a plurality of permanent magnets 12 arranged in the cylinder barrel 4, a permanent magnet support is arranged in the cylinder barrel 4 and is close to the peripheral side face of the piston 7, a plurality of assembling stations are arranged on the permanent magnet support and are used for correspondingly assembling and connecting the permanent magnets 12, the permanent magnets 12 are arranged around the peripheral side face of the piston 7, a damping medium is filled between the cylinder barrel 4 and the piston 7, and magnetizable particles 6 are added in the damping medium.
The invention forms magnetic fluid by arranging a plurality of permanent magnets 12 surrounding the peripheral side surface of a piston 7 and a permanent magnet support in a cylinder 4, a damping medium is filled between the cylinder 4 and the piston 7, magnetizable particles 6 are added in the damping medium, and the magnetic field generated by the permanent magnets 12 has traction influence on the magnetizable particles 6, particularly, in the normal telescopic stroke work of the piston 7 in a damper or a damping energy dissipation device, the magnetic field generated by the surrounding permanent magnets 12 enables a damping medium system in a damping channel to be converted into a damping medium composite system containing magnetic chains from a single damping medium system, so that the property of the damping medium is changed, and the damping force of the damper is also changed, wherein the magnetic fluid is formed by mixing magnetizable solid particles, base carrier liquid (also called as a medium) and a surfactant, the damper can be widely applied to the fields of magnetic fluid sealing, shock absorption, medical instruments, sound regulation, optical display, magnetic fluid mineral separation and the like under various harsh conditions, the performance of a damping medium is gradually reduced after the damper is in service for a long time, the performance of the magnetic fluid is adjustable, and the performance of the magnetic fluid can be enhanced through magnetic field control, so that based on the magnetic control principle, the effect of high-efficiency and deep damping gain can be achieved while the internal movable telescopic work of the damper is not influenced by adding the magnetizable particles 6 and the action of a magnetic field.
As an alternative embodiment, the permanent magnets 12 are uniformly spaced on the outer surface of the piston 7 and are supported and connected by permanent magnet supports.
As an optional implementation mode, a guide sleeve is arranged in the cylinder barrel 4, the guide sleeve comprises an upper guide sleeve 3 located at the top end in the cylinder barrel 4 and a lower guide sleeve 8 located at the bottom end in the cylinder barrel 4, and damping media are filled between the guide sleeve and the piston 7.
As an alternative embodiment, the sealing body 10 is provided on the outer end surface of the guide sleeve.
As an alternative embodiment, the permanent magnet frame comprises:
the retainer 11 is arranged on the upper surface and the lower surface of the piston 7 and used for supporting and connecting the whole position of the permanent magnet 12, and the top end surface of the outer side of the retainer 11 is also provided with a screw 15 for mounting, connecting and limiting;
a longitudinal connecting rod 13 for connecting the permanent magnets 12 arranged longitudinally;
and a transverse connecting rod 14 for connecting the permanent magnets 12 arranged in a transverse circumference.
As an alternative embodiment, the retainer 11 is designed to be a circular ring structure for being attached to the upper and lower surfaces of the piston 7 in an assembling manner, the longitudinal connecting rod 13 is designed to be a vertical cylinder, and the transverse connecting rod 14 is designed to be a transverse circle for being attached to the outer peripheral side surface of the piston 7 in an assembling manner to connect each permanent magnet 12, namely, a plurality of assembling stations on the permanent magnet support are formed.
As an alternative embodiment, the permanent magnet support is made of a non-magnetic conductive material having a certain strength.
In an alternative embodiment, the magnetizable particles 6 are carbonyl iron powder with magnetic permeability, and the size of the carbonyl iron powder is selected to be between 3 and 5 μm.
As an alternative embodiment, the permanent magnet 12 is a high temperature resistant samarium cobalt permanent magnet, considering that a heating phenomenon exists in the service life of the damping energy dissipation device.
Wherein, 4 tops of cylinder barrel still seal and are equipped with cylinder cap 5, and 4 bottoms of cylinder barrel are connected with lower lug 9, and 2 tops of piston rod are equipped with lug 1 relatively.
As a second aspect of the present invention, there is provided a method of using a damper gain device based on a magnetic control principle, the method being applied to any one of the gain devices described above, the method comprising:
adding micron-sized carbonyl iron powder into a damping medium with performance reduced due to service;
fixing a permanent magnet 12 on the outer side surface of the piston 7 of the damper through a permanent magnet bracket;
the magnetizable particles 6 are gradually dispersed in the damping medium by the working of the damper, so that the damping medium is gradually converted into magnetic fluid;
through the magnetic field generated by the permanent magnet 12, the damping medium system in the damping channel is converted from a single damping medium system into a damping medium composite system containing a magnetic chain, so that the property of the damping medium is changed, the damping force of the damper is changed, and the purpose of damping gain is achieved.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the spirit of the present disclosure, features from the above embodiments or from different embodiments may also be combined, steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments of the present description as described above, which are not provided in detail for the sake of brevity.
It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the present disclosure.
Claims (10)
1. The damper gain device based on the magnetic control principle is characterized by comprising a cylinder barrel, a piston and a piston rod, wherein one end of the piston rod penetrates through the cylinder barrel and is fixedly connected to the piston so as to drive the piston to reciprocate in the cylinder barrel.
2. The damper gain device based on the magnetic control principle as claimed in claim 1, wherein the permanent magnets are uniformly spaced on the outer surface of the piston and are supported and connected by the permanent magnet support.
3. The gain device of the damper based on the magnetic control principle as claimed in claim 1, wherein a guide sleeve is arranged in the cylinder, the guide sleeve comprises an upper guide sleeve positioned at the top end in the cylinder and a lower guide sleeve positioned at the bottom end in the cylinder, and the damping medium is filled between the guide sleeve and the piston.
4. The gain device of a damper based on the magnetic control principle as claimed in claim 3, wherein a sealing body is provided on an outer end face of the guide sleeve.
5. The damper gain device based on the magnetic control principle according to claim 1, wherein the permanent magnet frame comprises:
the retainer is arranged on the upper surface and the lower surface of the piston;
the longitudinal connecting rod is used for connecting the permanent magnets which are longitudinally arranged;
and the transverse connecting rod is used for connecting the permanent magnets which are transversely arranged.
6. The damper gain device based on the magnetic control principle as claimed in claim 5, wherein the retainer is designed to be a circular ring structure for being attached to the upper and lower surfaces of the piston in an assembling manner, the longitudinal connecting rod is designed to be a vertical cylinder, and the transverse connecting rod is designed to be a transverse cylinder for being attached to the outer peripheral side surface of the piston in an assembling manner for connecting each permanent magnet.
7. The damper gain device based on the magnetic control principle as claimed in claim 1, wherein the permanent magnet supporter is made of a non-magnetic conductive material having a certain strength.
8. The damper gain device based on the magnetron principle as claimed in claim 1, wherein the magnetizable particles are carbonyl iron powder with magnetic permeability, and the size of the carbonyl iron powder is selected to be between 3 μm and 5 μm.
9. The damper gain device based on the magnetron principle of claim 1, wherein the permanent magnet is a high temperature resistant samarium cobalt permanent magnet.
10. A method for using a damper gain device based on a magnetic control principle, wherein the method is applied to the gain device according to any one of claims 1 to 9, and the method comprises the following steps:
adding micron-sized carbonyl iron powder into a damping medium with performance reduced due to service;
fixing a permanent magnet on the outer side surface of the piston of the damper through a permanent magnet bracket;
the magnetizable particles are gradually dispersed in the damping medium by the working of the damper, so that the damping medium is gradually converted into magnetic fluid;
through the magnetic field generated by the permanent magnet, a damping medium system in the damping channel is converted from a single damping medium system into a damping medium composite system containing a magnetic chain, so that the property of the damping medium is changed, the damping force of the damper is changed, and the aim of damping gain is fulfilled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111343496.9A CN114135620A (en) | 2021-11-13 | 2021-11-13 | Damper gain device based on magnetic control principle and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111343496.9A CN114135620A (en) | 2021-11-13 | 2021-11-13 | Damper gain device based on magnetic control principle and use method |
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| Publication Number | Publication Date |
|---|---|
| CN114135620A true CN114135620A (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111343496.9A Pending CN114135620A (en) | 2021-11-13 | 2021-11-13 | Damper gain device based on magnetic control principle and use method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0552235A (en) * | 1991-08-23 | 1993-03-02 | Toshiba Corp | Viscous damper |
| JP2002127727A (en) * | 2000-10-23 | 2002-05-08 | Tokico Ltd | Suspension device |
| CN1587738A (en) * | 2004-07-09 | 2005-03-02 | 北京工业大学 | Inverse type magnetic flow damper |
| US20140152066A1 (en) * | 2012-06-12 | 2014-06-05 | Gregory J. Hiemenz | Failsafe magnetorheological (mr) energy absorber |
| CN113007262A (en) * | 2021-02-06 | 2021-06-22 | 广西科技大学 | Variable gap order-changing type magneto-rheological damper |
-
2021
- 2021-11-13 CN CN202111343496.9A patent/CN114135620A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0552235A (en) * | 1991-08-23 | 1993-03-02 | Toshiba Corp | Viscous damper |
| JP2002127727A (en) * | 2000-10-23 | 2002-05-08 | Tokico Ltd | Suspension device |
| CN1587738A (en) * | 2004-07-09 | 2005-03-02 | 北京工业大学 | Inverse type magnetic flow damper |
| US20140152066A1 (en) * | 2012-06-12 | 2014-06-05 | Gregory J. Hiemenz | Failsafe magnetorheological (mr) energy absorber |
| CN113007262A (en) * | 2021-02-06 | 2021-06-22 | 广西科技大学 | Variable gap order-changing type magneto-rheological damper |
Non-Patent Citations (1)
| Title |
|---|
| 胡红生等: "基于鱼群算法的永磁体-电磁阀式磁流变阻尼器半主动悬架系统" * |
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Application publication date: 20220304 |