CN105864490A - Mixed flowing type magnetorheological valve wide in pressure drop regulation range - Google Patents
Mixed flowing type magnetorheological valve wide in pressure drop regulation range Download PDFInfo
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- CN105864490A CN105864490A CN201610351700.4A CN201610351700A CN105864490A CN 105864490 A CN105864490 A CN 105864490A CN 201610351700 A CN201610351700 A CN 201610351700A CN 105864490 A CN105864490 A CN 105864490A
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- 230000033228 biological regulation Effects 0.000 title claims abstract description 7
- 238000013016 damping Methods 0.000 claims abstract description 127
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 239000012530 fluid Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 20
- 230000008676 import Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000005674 electromagnetic induction Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000000696 magnetic material Substances 0.000 claims description 2
- 230000035699 permeability Effects 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 abstract 4
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000000518 rheometry Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a mixed flowing type magnetorheological valve wide in the pressure drop regulation range. The mixed flowing type magnetorheological valve wide in the pressure drop regulation range is composed of end covers, a valve bush, a valve body, magnetism-conductive discs, magnetism isolating rings, a magnetism isolating disc, positioning discs, damping discs, a magnet exciting coil and the like. The liquid flow direction between the positioning discs and the damping discs is perpendicular to the direction of a magnetic field, so that two sections of radial damping gaps are formed; the magnetism isolating disc is arranged between the two damping discs, and the magnetism isolating rings are arranged at the two ends of the valve bush, so that the liquid flow direction in the positions of damping gaps of the rings is made perpendicular to the direction of the magnetic field, and two sections of circular damping gaps are formed. On the premise that the outline dimension of the valve is not increased, a radial magnetorheological valve is turned into the mixed flowing type magnetorheological valve which has circular flow and radial flow at the same time, the magnetorheological fluid damping length is effectively increased, the utilization rate of a magnetic force line is increased, the pressure drop regulation ranges of an inlet and an outlet of the valve are made wide, and the pressure drop is large. According to the magnetorheological valve, positioning of the damping gaps is accurate, the structure is compact, the size is small, assembly is convenient, and the mixed flowing type magnetorheological valve is particularly suitable for a multi-stage pressure-adjustable hydraulic control system.
Description
Technical field
The present invention relates to a kind of MR valve, particularly relate to the mixed flow dynamic formula MR valve that a kind of pressure drop adjustable range is wide.
Background technology
Along with the development of new and high technology, hydraulic control system also develops to miniaturization, intellectuality and economization direction.As the core parts of hydraulic control system, conventional hydraulic valve is owing to having the parts of relative motion, poor reliability, thus limits its application in some fields.Magnetic flow liquid is a kind of suspension with externally-applied magnetic field with controllable rheology characteristic being dissolved in insulation carrier fluid by fine magnetic particles dispersion and being formed.This magnetic rheology effect based on magnetic flow liquid, the MR valve with magnetic flow liquid as working media preferably improves the deficiency of conventional hydraulic valve, have found a new outlet for hydraulic control system simultaneously.Compared with conventional hydraulic valve, MR valve valve inlet outlet pressure differential by impressed current control, overcomes the shortcoming that conventional hydraulic valve constantly switchs, reversing impact causes output pulsation is bigger, stability is high, without relative motion parts, simple in construction, fast response time, has good prospects for commercial application.
During structure design, the structure of MR valve damping clearance and effective length are the principal elements that pressure drop is imported and exported in impact.In order to improve the import and export pressure drop of magnetic flow liquid, consider how to design the structure of damping clearance, the flow direction making more magnetic line of force direction be perpendicular to magnetic flow liquid becomes key technology place, next to that in the case of keeping valve appearance and size structure constant, how to make the effective damping gap of MR valve lengthen.Generally, the magnetic induction intensity in fluid course can be improved by reducing the width of MR valve fluid course, but this kind of method easily causes blocking, MR valve is caused to lose efficacy, and the length lengthening fluid course can increase the volume of MR valve, and to realize two above target the most difficult simultaneously.
The Chinese utility model patent of Publication No. CN 203098446U discloses a kind of unicoil radial flow dynamic formula MR valve, this MR valve fluid course uses Radial Flow disc type damping clearance, two-section radial effective damping gap can be formed, constitute two-stage pressure drop controlled；But this patent does not make full use of the damping effect of annulus fluid course, and magnetic line of force utilization rate is the highest.The Chinese invention patent of Publication No. CN 1314903C discloses a kind of magnetic rheoliquid controlling valve with two kinds of liquid flowing resistance passages, this magnetic rheoliquid controlling valve uses annular and disc liquid flowing resistance passage simultaneously, four sections of effective damping gaps can be formed, constitute level Four pressure drop controlled；But this patent contour structure size is excessive, thus limits its application scenario.
Summary of the invention
In order to overcome problem present in background technology, the present invention proposes the mixed flow dynamic formula MR valve that a kind of pressure drop adjustable range is wide.Forming two-section radial fluid course between location dish and the damping disc of this MR valve, at fluid course, the liquid flow direction of magnetic flow liquid is perpendicular to magnetic direction, forms two-section radial damping clearance；It addition, arrange between two damping disc every disk, valve pocket two ends arrange magnetism-isolating loop so that the magnetic line of force direction at annulus damping clearance is vertical with magnetic flow liquid liquid flow direction, form two sections of ring-like damping clearances of axial circular.Under not increasing valve appearance and size premise, the design of this structure makes single radial flow MR valve become the mixed flow dynamic formula MR valve with annulus stream and two kinds of damping clearances of radial flow, four sections of effective damping gaps are become by two sections of effective damping gaps, increase the effective damping length of magnetic flow liquid flowing, improve the utilization rate of the magnetic line of force simultaneously, making valve import and export pressure drop adjustable range width, pressure drop is big.This MR valve damping clearance accurate positioning, internal structure is compact, volume is little, easy to assembly, be particularly suitable for the adjustable hydraulic control system of multistage pressure.
The technical solution adopted for the present invention to solve the technical problems includes: left end cap (1), sealing ring I (2), sealing ring II (3), left magnetism-isolating loop (4), valve body (5), magnet exciting coil (6), valve pocket (7), right magnetism-isolating loop (8), sealing ring III (9), sealing ring IV (10), right end cap (11), screw II (12), right magnetic conduction disk (13), right location dish (14), right damping disc (15), every disk (16), left damping disc (17), left location dish (18), left magnetic conduction disk (19) and screw I (20)；Left end cap (1) and valve body (5) interference fits, left end cap (1) is connected by screw I (20) is fixing with valve body (5), and is sealed by sealing ring I (2)；Left end cap (1) center is machined with internal thread through hole, directly can threaded with conduit under fluid pressure；Left magnetic conduction disk (19) and valve body (5) interference fits, left magnetic conduction disk (19) is sealed by sealing ring II (3) with valve body (5)；Left magnetic conduction disk (19) inner surface is threaded through hole, and left location dish (18) left end outer surface is machined with external screw thread, and left magnetic conduction disk (19) is threadably secured with left location dish (18) and is connected；Left location dish (18) right-hand member outer surface is machined with external screw thread, and left magnetism-isolating loop (4) right side inner surface is machined with internal thread, and left location dish (18) is threadably secured with left magnetism-isolating loop (4) and is connected；Left magnetism-isolating loop (4) right-hand member outer surface is machined with external screw thread, and valve pocket (7) left end inner surface is machined with internal thread, and left magnetism-isolating loop (4) is threadably secured with valve pocket (7) and is connected；Left location dish (18) axially left end is compressed by left end cap (1)；Left location dish (18) axially right-hand member is machined with the small circular projection that four circumferences are evenly arranged, left damping disc (17) axially left end is machined with the circular groove that four circumferences are evenly arranged, protruding four the circular groove interference fit with left damping disc (17) axially left end of four small circular of left location dish (18) axially right-hand member；Four small circular being evenly arranged it are machined with protruding, four small circular projections and valve pocket (7) on left damping disc (17) circular radial side face) inner surface interference fits, left damping disc (17) radial rotating can be prevented；Compress by left damping disc (17) right side every disk (16) axially left end, compress by right damping disc (15) left side every disk (16) axially right-hand member, four small circular being evenly arranged it are machined with protruding, four small circular projections and valve pocket (7) inner surface interference fits on disk (16) circular radial side face；Four small circular being evenly arranged it are machined with protruding on right damping disc (15) circular radial side face, four small circular projections and valve pocket (7) inner surface interference fits, right damping disc (15) radial rotating can be prevented；Right location dish (14) axially right-hand member is compressed by right end cap (11), right location dish (14) axially left end is machined with the small circular projection that four circumferences are evenly arranged, right damping disc (15) axially right-hand member is machined with the circular groove that four circumferences are evenly arranged, protruding four the circular groove interference fit with right damping disc (15) axially right-hand member of four small circular of right location dish (14) axially left end；Right magnetism-isolating loop (8) left end outer surface is machined with external screw thread, and valve pocket (7) right-hand member inner surface is machined with internal thread, and right magnetism-isolating loop (8) is threadably secured with valve pocket (7) and is connected；Right location dish (14) left end outer surface is machined with external screw thread, and right magnetism-isolating loop (8) left end inner surface is machined with internal thread, and right location dish (14) is threadably secured with right magnetism-isolating loop (8) and is connected；Right magnetic conduction disk (13) inner surface is threaded through hole, and right location dish (14) right-hand member outer surface is machined with external screw thread, and right magnetic conduction disk (13) is threadably secured with right location dish (14) and is connected；Right magnetic conduction disk (13) and valve body (5) interference fits, right magnetic conduction disk (13) is sealed by sealing ring III (9) with valve body (5)；Right end cap (11) and valve body (5) interference fits, right end cap (11) is connected by screw II (12) is fixing with valve body (5), and is sealed by sealing ring IV (10)；Right end cap (11) center is machined with internal thread through hole, directly can threaded with conduit under fluid pressure；The groove surrounded between left magnetic conduction disk (19), left magnetism-isolating loop (4), valve pocket (7), right magnetism-isolating loop (8) and right magnetic conduction disk (13) forms winding slot；Magnet exciting coil (6) is wound in winding slot, and its lead-in wire is derived by the fairlead A on valve body (5)；The radial flow of liquid passage formed between left damping disc (17) and left location dish (18) constitutes the Ith section of damping clearance；The axial liquid circulation road formed between valve pocket (7) and left damping disc (17) constitutes the IIth section of damping clearance；The axial liquid circulation road formed between valve pocket (7) and right damping disc (15) constitutes the IIIth section of damping clearance；The radial flow of liquid passage formed between right damping disc (15) and right location dish (14) constitutes the IVth section of damping clearance；When being passed through a certain size direct current to magnet exciting coil (6), the magnetic line of force produced due to electromagnetic induction principle sequentially passes through valve body (5), left magnetic conduction disk (19), left location dish (18), left damping disc (17) is arrived through the Ith section of radial direction damping clearance, due to every disk (16), left magnetism-isolating loop (4) and right magnetism-isolating loop (8) are made up of non-magnet_conductible material, valve pocket (7) is arrived through II section of axial damping clearance by the magnetic line of force of left damping disc (17), right damping disc (15) is entered through the IIIth section of axial damping clearance, right location dish (14) is entered by the IVth section of radial direction damping clearance, it is then passed through right magnetic conduction disk (13) and returns valve body (5), form closed-loop path；The flow direction of the magnetic flow liquid flowing through four sections of damping clearances is each perpendicular to magnetic line of force direction；Under magnetic fields, the magnetic flow liquid viscosity at damping clearance increases, and its shear yield strength increases sharply；By regulation impressed current size, can control to import and export pressure drop；Valve body (5), valve pocket (7), right magnetic conduction disk (13), right location dish (14), right damping disc (15), left damping disc (17), left location dish (18) and left magnetic conduction disk (19) are made up of No. 10 steel permeability magnetic materials；Left end cap (1), left magnetism-isolating loop (4), right magnetism-isolating loop (8), right end cap (11) and be made up of non-magnet_conductible material every disk (16).
The present invention, compared with background technology, has the beneficial effect that
(1) MR valve of the present invention is made up of radial flow and four sections of effective damping gaps of annulus stream.Gap between location dish and damping disc forms two-section radial damping clearance；Arrange between two damping disc every disk simultaneously, magnetism-isolating loop is set in valve pocket both sides so that the magnetic line of force direction at annulus damping clearance is vertical with magnetic flow liquid liquid flow direction, forms two sections of ring-like damping clearances of axial circular.The design of this structure makes magnetic flow liquid flow direction in effective damping gap all vertical with magnetic direction, in the radial and axial trend all taking full advantage of the magnetic line of force, the magnetic induction intensity in damping clearance is not reduced while adding damping clearance effective length, making the import and export pressure drop adjustable extent width of MR valve, pressure drop is big.
(2) damping clearance of MR valve of the present invention is to be formed by the self structure every disk, left and right damping disc and location, left and right dish, ensure that certain damping clearance thickness, prevent from resulting in blockage because damping clearance is too narrow phenomenon, the damping clearance location simultaneously making valve is convenient and accurate, assembles the most convenient.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Fig. 2 is that the present invention is every disk structure schematic diagram.
Fig. 3 is magnetic line of force distribution schematic diagram of the present invention.
Fig. 4 is magnetic flow liquid fluid course of the present invention and effective damping gap schematic diagram.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
As it is shown in figure 1, the present invention includes: left end cap 1, sealing ring I 2, sealing ring II 3, left magnetism-isolating loop 4, valve body 5, magnet exciting coil 6, valve pocket 7, right magnetism-isolating loop 8, sealing ring III 9, sealing ring IV 10, right end cap 11, screw II 12, right magnetic conduction disk 13, right location dish 14, right damping disc 15, every disk 16, left damping disc 17, left location dish 18, left magnetic conduction disk 19 and screw I 20.
Fig. 2 show the present invention every disk 16 structural representation, is radially machined with four small circular being evenly arranged every disk 16 protruding, can carry out radially positioning to every disk 16 by this circular protrusions；Additionally, it is possible to provide the fluid course of magnetic flow liquid axial direction.
Fig. 3 show magnetic line of force distribution schematic diagram of the present invention.When being passed through a certain size direct current to magnet exciting coil 6, the magnetic line of force produced due to electromagnetic induction principle sequentially passes through valve body 5, left magnetic conduction disk 19, left location dish 18, left damping disc 17 is arrived through the Ith section of radial direction damping clearance, due to every disk 16, left magnetism-isolating loop 4 and right magnetism-isolating loop 8 are made up of non-magnet_conductible material, valve pocket 7 is arrived through II section of axial damping clearance by the magnetic line of force of left damping disc 17, right damping disc 15 is entered through the IIIth section of axial damping clearance, right location dish 14 is entered by the IVth section of radial direction damping clearance, it is then passed through right magnetic conduction disk 13 and returns valve body 5, form closed-loop path.
Fig. 4 show magnetic flow liquid fluid course of the present invention and effective damping gap schematic diagram.Owing to the present invention uses axially symmetric structure, top half to give the effective damping interval work region of MR valve, the latter half then gives magnetic flow liquid fluid course in MR valve.Wherein, arrow direction is that magnetic flow liquid is at the flow direction within this mixed flow dynamic formula MR valve.Under magnetic fields, effective damping gap is divided into four sections, and the radial flow of liquid passage formed between left damping disc 17 and left location dish 18 constitutes the Ith section of damping clearance；The axial liquid circulation road formed between valve pocket 7 and left damping disc 17 constitutes the IIth section of damping clearance；The axial liquid circulation road formed between valve pocket 7 and right damping disc 15 constitutes the IIIth section of damping clearance；The radial flow of liquid passage formed between right damping disc 15 and right location dish 14 constitutes the IVth section of damping clearance.
Operation principle of the present invention is as follows:
When being passed through a certain size direct current to magnet exciting coil 6, due to electromagnetic induction principle, closed magnetic field loop can be formed between valve body 5, left magnetic conduction disk 19, left location dish 18, left damping disc 17, valve pocket 7, right damping disc 15, right location dish 14, right magnetic conduction disk 13 and four sections of effective damping gaps.The flow direction of the magnetic flow liquid flowing through four sections of damping clearances is each perpendicular to the produced magnetic line of force.Under magnetic fields, magnetic flow liquid viscosity increases, and is changed into class solid-state or solid-state by liquid condition rapidly, forms the catemer along magnetic direction arrangement, and its shear yield strength increases sharply；Magnetic flow liquid is wanted to flow through this four sections of damping clearances smoothly, is necessary for overcoming the intermolecular power of this catenation, thus the resistance causing magnetic flow liquid to flow through valve increases, and can slow down or stop the flowing of liquid.By regulation impressed current size, can control to import and export pressure drop.
Claims (2)
1. the mixed flow dynamic formula MR valve that a pressure drop adjustable range is wide, it is characterized in that including: left end cap (1), sealing ring I (2), sealing ring II (3), left magnetism-isolating loop (4), valve body (5), magnet exciting coil (6), valve pocket (7), right magnetism-isolating loop (8), sealing ring III (9), sealing ring IV (10), right end cap (11), screw II (12), right magnetic conduction disk (13), right location dish (14), right damping disc (15), every disk (16), left damping disc (17), left location dish (18), left magnetic conduction disk (19) and screw I (20)；Left end cap (1) and valve body (5) interference fits, left end cap (1) is connected by screw I (20) is fixing with valve body (5), and is sealed by sealing ring I (2)；Left end cap (1) center is machined with internal thread through hole, directly can threaded with conduit under fluid pressure；Left magnetic conduction disk (19) and valve body (5) interference fits, left magnetic conduction disk (19) is sealed by sealing ring II (3) with valve body (5)；Left magnetic conduction disk (19) inner surface is threaded through hole, and left location dish (18) left end outer surface is machined with external screw thread, and left magnetic conduction disk (19) is threadably secured with left location dish (18) and is connected；Left location dish (18) right-hand member outer surface is machined with external screw thread, and left magnetism-isolating loop (4) right side inner surface is machined with internal thread, and left location dish (18) is threadably secured with left magnetism-isolating loop (4) and is connected；Left magnetism-isolating loop (4) right-hand member outer surface is machined with external screw thread, and valve pocket (7) left end inner surface is machined with internal thread, and left magnetism-isolating loop (4) is threadably secured with valve pocket (7) and is connected；Left location dish (18) axially left end is compressed by left end cap (1)；Left location dish (18) axially right-hand member is machined with the small circular projection that four circumferences are evenly arranged, left damping disc (17) axially left end is machined with the circular groove that four circumferences are evenly arranged, protruding four the circular groove interference fit with left damping disc (17) axially left end of four small circular of left location dish (18) axially right-hand member；Four small circular being evenly arranged it are machined with protruding, four small circular projections and valve pocket (7) on left damping disc (17) circular radial side face) inner surface interference fits, left damping disc (17) radial rotating can be prevented；Compress by left damping disc (17) right side every disk (16) axially left end, compress by right damping disc (15) left side every disk (16) axially right-hand member, four small circular being evenly arranged it are machined with protruding, four small circular projections and valve pocket (7) inner surface interference fits on disk (16) circular radial side face；Four small circular being evenly arranged it are machined with protruding on right damping disc (15) circular radial side face, four small circular projections and valve pocket (7) inner surface interference fits, right damping disc (15) radial rotating can be prevented；Right location dish (14) axially right-hand member is compressed by right end cap (11), right location dish (14) axially left end is machined with the small circular projection that four circumferences are evenly arranged, right damping disc (15) axially right-hand member is machined with the circular groove that four circumferences are evenly arranged, protruding four the circular groove interference fit with right damping disc (15) axially right-hand member of four small circular of right location dish (14) axially left end；Right magnetism-isolating loop (8) left end outer surface is machined with external screw thread, and valve pocket (7) right-hand member inner surface is machined with internal thread, and right magnetism-isolating loop (8) is threadably secured with valve pocket (7) and is connected；Right location dish (14) left end outer surface is machined with external screw thread, and right magnetism-isolating loop (8) left end inner surface is machined with internal thread, and right location dish (14) is threadably secured with right magnetism-isolating loop (8) and is connected；Right magnetic conduction disk (13) inner surface is threaded through hole, and right location dish (14) right-hand member outer surface is machined with external screw thread, and right magnetic conduction disk (13) is threadably secured with right location dish (14) and is connected；Right magnetic conduction disk (13) and valve body (5) interference fits, right magnetic conduction disk (13) is sealed by sealing ring III (9) with valve body (5)；Right end cap (11) and valve body (5) interference fits, right end cap (11) is connected by screw II (12) is fixing with valve body (5), and is sealed by sealing ring IV (10)；Right end cap (11) center is machined with internal thread through hole, directly can threaded with conduit under fluid pressure；The groove surrounded between left magnetic conduction disk (19), left magnetism-isolating loop (4), valve pocket (7), right magnetism-isolating loop (8) and right magnetic conduction disk (13) forms winding slot；Magnet exciting coil (6) is wound in winding slot, and its lead-in wire is derived by the fairlead A on valve body (5)；The radial flow of liquid passage formed between left damping disc (17) and left location dish (18) constitutes the Ith section of damping clearance；The axial liquid circulation road formed between valve pocket (7) and left damping disc (17) constitutes the IIth section of damping clearance；The axial liquid circulation road formed between valve pocket (7) and right damping disc (15) constitutes the IIIth section of damping clearance；The radial flow of liquid passage formed between right damping disc (15) and right location dish (14) constitutes the IVth section of damping clearance；When being passed through a certain size direct current to magnet exciting coil (6), the magnetic line of force produced due to electromagnetic induction principle sequentially passes through valve body (5), left magnetic conduction disk (19), left location dish (18), left damping disc (17) is arrived through the Ith section of radial direction damping clearance, due to every disk (16), left magnetism-isolating loop (4) and right magnetism-isolating loop (8) are made up of non-magnet_conductible material, valve pocket (7) is arrived through II section of axial damping clearance by the magnetic line of force of left damping disc (17), right damping disc (15) is entered through the IIIth section of axial damping clearance, right location dish (14) is entered by the IVth section of radial direction damping clearance, it is then passed through right magnetic conduction disk (13) and returns valve body (5), form closed-loop path；The flow direction of the magnetic flow liquid flowing through four sections of damping clearances is each perpendicular to magnetic line of force direction；Under magnetic fields, the magnetic flow liquid viscosity at damping clearance increases, and its shear yield strength increases sharply；By regulation impressed current size, can control to import and export pressure drop.
The mixed flow dynamic formula MR valve that a kind of pressure drop adjustable range the most according to claim 1 is wide, it is characterised in that: valve body (5), valve pocket (7), right magnetic conduction disk (13), right location dish (14), right damping disc (15), left damping disc (17), left location dish (18) and left magnetic conduction disk (19) are made up of No. 10 steel permeability magnetic materials；Left end cap (1), left magnetism-isolating loop (4), right magnetism-isolating loop (8), right end cap (11) and be made up of non-magnet_conductible material every disk (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610351700.4A CN105864490B (en) | 2016-05-24 | 2016-05-24 | A kind of wide mixed flow dynamic formula MR valve of pressure drop adjustable range |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610351700.4A CN105864490B (en) | 2016-05-24 | 2016-05-24 | A kind of wide mixed flow dynamic formula MR valve of pressure drop adjustable range |
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| Publication Number | Publication Date |
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| CN105864490A true CN105864490A (en) | 2016-08-17 |
| CN105864490B CN105864490B (en) | 2018-02-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112652440A (en) * | 2020-12-14 | 2021-04-13 | 深圳先进技术研究院 | Electromagnetic coil sheath, coil assembly and magnetorheological damper |
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| CN203098446U (en) * | 2013-03-18 | 2013-07-31 | 华东交通大学 | Radial flow-type single-coil magneto-rheological valve |
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| CN205715932U (en) * | 2016-05-24 | 2016-11-23 | 华东交通大学 | The wide mixed flow dynamic formula MR valve of a kind of pressure drop adjustable range |
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2016
- 2016-05-24 CN CN201610351700.4A patent/CN105864490B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1024637A1 (en) * | 1982-04-28 | 1983-06-23 | Ордена Трудового Красного Знамени Институт Тепло- И Массообмена Им.А.В.Лыкова | Magnetic rheologic throttle |
| CN203009437U (en) * | 2013-01-18 | 2013-06-19 | 华东交通大学 | Radial-flow two-stage disc type magneto-rheological valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112652440A (en) * | 2020-12-14 | 2021-04-13 | 深圳先进技术研究院 | Electromagnetic coil sheath, coil assembly and magnetorheological damper |
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| CN105864490B (en) | 2018-02-16 |
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