CN103606432A - High-pressure-resistant moving-magnet type proportional electromagnet - Google Patents
High-pressure-resistant moving-magnet type proportional electromagnet Download PDFInfo
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- CN103606432A CN103606432A CN201310609357.5A CN201310609357A CN103606432A CN 103606432 A CN103606432 A CN 103606432A CN 201310609357 A CN201310609357 A CN 201310609357A CN 103606432 A CN103606432 A CN 103606432A
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- permanent magnet
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Abstract
The invention discloses a high-pressure-resistant moving-magnet type proportional electromagnet which comprises a push rod, a front end cover, a shell, limiting plates, a spring, a control coil, a moving permanent magnet, a magnetic conduction sleeve, a static permanent magnet, a non-magnetic ring and a rear end cover. The shell is a hollow shell, two ends of the shell are respectively connected with the front end cover and the rear end cover, the magnetic conduction sleeve is connected with the inner side of the front end cover and the inner side of the shell, the control coil is arranged in a cavity formed by the magnetic conduction sleeve, the front end cover and the shell, and an outer ring surface of the static permanent magnet is in direct contact with an inner ring surface of the magnetic conduction sleeve. The high-pressure-resistant moving-magnet type proportional electromagnet has the advantages that the two permanent magnets are respectively used as a moving component and a static excitation source, so that a joint effect of attractive force and repulsive force can be realized, and force outputted by the proportional electromagnet can be greatly increased; the corresponding permanent magnet is used as the moving component, so that the shortcoming of non-characteristic constraints due to saturation and the like of magnetic conduction materials can be overcome, and a proportional control characteristic of the proportional electromagnet can be improved; the high-pressure-resistant moving-magnet type proportional electromagnet is high-oil-pressure-resistant and can be used as a wet electro-mechanical converter.
Description
Technical field
The present invention relates to electrohydraulic servo valve, the proportioning valve electromechanical converter of fluid control field, relate in particular to a kind of high pressure resistant moving-magnetic type proportion electro-magnet.
Background technology
Proportion electro-magnet can be converted to the signal of telecommunication of input power or displacement output in proportion, is the electromechanical converter part that Mechatronic control system extensively adopts.Patent of invention CN188586B discloses a kind of repulsion formula electromagnet actuator that utilizes magnet principle of same-sex repulsion to make, but it only has repulsion effect, lacks oil pressure protection, can not work in high oil pressure environment; Patent of invention CN102063998B discloses a kind of pressure resistant type proportion electro-magnet based on integrated guide magnetosheath, improved voltage endurance capability, but it adopts armature as moving component, only has suction, and the magnetic saturation problem that armature exists has limited its power output.
Summary of the invention
The object of the present invention is to provide a kind of High power output, the excellent high pressure resistant moving-magnetic type proportion electro-magnet of control characteristic.
In order to solve the problems of the technologies described above, the invention provides a kind of high pressure resistant moving-magnetic type proportion electro-magnet, comprise push rod, front end housing, housing, banking stop, spring, control coil, moving permanent magnet, flux sleeve, quiet permanent magnet, magnetism-isolating loop, rear end cap, described housing is hollow housing, two ends are connected with rear end cap with front end housing respectively, described flux sleeve is connected with the inner side of front end housing and the inner side of housing, in the cavity forming, control coil is set, the outer ring surface of described quiet permanent magnet directly contacts with the inner ring surface of flux sleeve, the rear end of described quiet permanent magnet is fixedly connected with rear end cap, described flux sleeve and rear end cap directly arrange magnetism-isolating loop.
Further, the free movement in the endoporus of flux sleeve of described moving permanent magnet, contrary with the polarity of quiet permanent magnet.
Further, one end of described push rod is supported in front end housing, and the other end is fixedly connected with moving permanent magnet.
Further, described front end housing, housing, flux sleeve, rear end cap is made by permeability magnetic material.
Further, for fear of moving permanent magnet, suck on the end face of front end housing or quiet permanent magnet, between front end housing and moving permanent magnet, spring is set, the banking stop that non-magnet material is made is set on the end face of front end housing and quiet permanent magnet, the thickness of described banking stop is 0.3～0.5mm.
Further, when control coil no power, between described moving permanent magnet and quiet permanent magnet, because polarity produces repulsion effect relatively, and balance each other with spring force.
High pressure resistant moving-magnetic type proportion electro-magnet of the present invention is compared with background technology, has following beneficial effect:
1, adopt two permanent magnets respectively as moving component and static stimulation source, realized the acting in conjunction of suction and repulsion, greatly improved the power output of proportion electro-magnet.
2, adopt permanent magnet as moving component, overcome the restriction of the non-characteristic such as saturated of permeability magnetic material, improved the proportional control characteristic of proportion electro-magnet.
3, can tolerate fluid high pressure, can be used as wet type electromechanical converter and use.
4, simple in structure, manufacturing process is simple, and cost is low.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of high pressure resistant moving-magnetic type proportion electro-magnet of the present invention;
Fig. 2 is effect magnetic circuit schematic diagram of the present invention;
Fig. 3 is power output schematic diagram of the present invention.
Each Reference numeral implication in figure: 1. push rod, 2. front end housing, 3. housing, 4. banking stop, 5. spring, 6. control coil, 7. moving permanent magnet, 8. flux sleeve, 9. banking stop, 10. quiet permanent magnet, 11. magnetism-isolating loops, 12. rear end caps, 81. leading portions.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
As shown in Figure 1, high pressure resistant moving-magnetic type proportion electro-magnet of the present invention, comprises push rod 1, front end housing 2, housing 3, banking stop 4,9, spring 5, control coil 6, moving permanent magnet 7, flux sleeve 8, quiet permanent magnet 10, magnetism-isolating loop 11, rear end cap 12.Front end housing 2, housing 3, flux sleeve 8, rear end cap 12 is made by permeability magnetic material.
For fear of moving permanent magnet 7, suck on the end face of front end housing 2 or quiet permanent magnet 10, between front end housing 2 and moving permanent magnet 7, spring 5 is set, on the end face of front end housing 2 and quiet permanent magnet 10, the banking stop that non-magnet material is made is set, thickness is 0.3～0.5mm.
When control coil 6 no power, between moving permanent magnet 7 and quiet permanent magnet 10, because polarity produces repulsion effect relatively, and balance each other with spring force.
As shown in Figures 2 and 3, when control coil 6 passes into after electric current, inwards, control coil 6 produces excitation field to the vertical paper of current direction.Under control coil 6 and moving permanent magnet 7,10 effects of quiet permanent magnet, main magnetic circuit distributes as shown in Figure 2.Φ
1and Φ
2for the controlling magnetic field of control coil 6 and the 7 actings in conjunction generations of moving permanent magnet, Φ
1along housing 3, flux sleeve 8, moving permanent magnet 7, front end housing 2, form closure, produce directed force F
1; Φ
2leading portion 81, front end housing 2 along housing 3, flux sleeve 8, moving permanent magnet 7, flux sleeve 8 form closure, produce directed force F
2; The magnetic circuit Φ that quiet permanent magnet 10 produces
3along rear end cap 12, housing 3, fairlead 8, form closure, produce directed force F
3.Directed force F
1, F
2and F
3with the action characteristic of the F that makes a concerted effort as shown in Figure 3, F
1and F
2be suction, drive moving permanent magnet 7 to left movement, directed force F
3for repulsion effect, drive moving permanent magnet 7 to left movement, so the power output of electromagnet and proportional control characteristic are all significantly improved.
Finally, it is also to be noted that, what more than enumerate is only a specific embodiment of the present invention.Obviously, the invention is not restricted to above embodiment, can also have many distortion.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention, all should think protection scope of the present invention.
Claims (6)
1. a high pressure resistant moving-magnetic type proportion electro-magnet, comprise push rod (1), front end housing (2), housing (3), banking stop (4, 9), spring (5), control coil (6), moving permanent magnet (7), flux sleeve (8), quiet permanent magnet (10), magnetism-isolating loop (11), rear end cap (12), it is characterized in that: described housing (3) is hollow housing, two ends are connected with rear end cap (12) with front end housing (2) respectively, described flux sleeve (8) is connected with the inner side of front end housing (2) and the inner side of housing (3), in the cavity forming, control coil (6) is set, the outer ring surface of described quiet permanent magnet (10) directly contacts with the inner ring surface of flux sleeve (8), the rear end of described quiet permanent magnet (10) is fixedly connected with rear end cap (12), described flux sleeve (8) directly arranges magnetism-isolating loop (11) with rear end cap (12).
2. high pressure resistant moving-magnetic type proportion electro-magnet as claimed in claim 1, is characterized in that: described moving permanent magnet (7) free movement in the endoporus of flux sleeve (8), and contrary with the polarity of quiet permanent magnet (10).
3. high pressure resistant moving-magnetic type proportion electro-magnet as claimed in claim 1, is characterized in that: one end of described push rod (1) is supported in front end housing (2), and the other end is fixedly connected with moving permanent magnet (7).
4. high pressure resistant moving-magnetic type proportion electro-magnet as claimed in claim 1, is characterized in that: described front end housing (2), and housing (3), flux sleeve (8), rear end cap (12) is made by permeability magnetic material.
5. high pressure resistant moving-magnetic type proportion electro-magnet as claimed in claim 1, it is characterized in that: for fear of moving permanent magnet (7), suck on the end face of front end housing (2) or quiet permanent magnet (10), between front end housing (2) and moving permanent magnet (7), spring (5) is set, the banking stop (4,9) that non-magnet material is made is set on the end face of front end housing (2) and quiet permanent magnet (10), and the thickness of described banking stop (4,9) is 0.3～0.5mm.
6. high pressure resistant moving-magnetic type proportion electro-magnet as claimed in claim 1, is characterized in that: when control coil (6) no power, between described moving permanent magnet (7) and quiet permanent magnet (10), because polarity produces repulsion effect relatively, and balance each other with spring force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310609357.5A CN103606432B (en) | 2013-11-27 | 2013-11-27 | High pressure resistant moving-magnetic type proportion electro-magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310609357.5A CN103606432B (en) | 2013-11-27 | 2013-11-27 | High pressure resistant moving-magnetic type proportion electro-magnet |
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| Publication Number | Publication Date |
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| CN103606432A true CN103606432A (en) | 2014-02-26 |
| CN103606432B CN103606432B (en) | 2016-05-25 |
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| CN201310609357.5A Expired - Fee Related CN103606432B (en) | 2013-11-27 | 2013-11-27 | High pressure resistant moving-magnetic type proportion electro-magnet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511146A (en) * | 2018-02-11 | 2018-09-07 | 山东科技大学 | A kind of novel double-direction control proportion electro-magnet device and its control method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5071267A (en) * | 1986-08-14 | 1991-12-10 | U.S. Philips Corporation | Actuation magnet for a printing stylus of a matrix printer |
| US5809157A (en) * | 1996-04-09 | 1998-09-15 | Victor Lavrov | Electromagnetic linear drive |
| US20040056227A1 (en) * | 2002-09-25 | 2004-03-25 | Karlheinz Mayr | Proportional pressure-regulator valve |
| CN1588585A (en) * | 2004-07-15 | 2005-03-02 | 浙江大学 | Anti high voltage permanent magnet polarized two-way ratio electromagnet |
| JP2005268031A (en) * | 2004-03-18 | 2005-09-29 | Fuji Electric Fa Components & Systems Co Ltd | Release-type electromagnetic solenoid |
| CN2779572Y (en) * | 2004-09-14 | 2006-05-10 | 北京理工大学 | Magnetic replacement type electromagnetism executor |
| CN101552081A (en) * | 2009-01-05 | 2009-10-07 | 东南大学 | Permanent magnetic operating mechanism making straight reciprocating motion |
| CN101776172A (en) * | 2010-03-23 | 2010-07-14 | 浙江大学 | High voltage-resistant permanent magnet-shield high speed switching electromagnet |
| CN102063998A (en) * | 2010-11-23 | 2011-05-18 | 浙江大学 | Pressure-proof proportion electromagnet based on integrated type flux sleeve |
| DE102010045601A1 (en) * | 2010-09-16 | 2012-03-22 | Hydac Electronic Gmbh | Electromagnetic positioning device for use as cam adjuster for piston motor, has actuator movable from one switching position to another switching position and held in defined shift positions before triggering movement process of actuator |
-
2013
- 2013-11-27 CN CN201310609357.5A patent/CN103606432B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5071267A (en) * | 1986-08-14 | 1991-12-10 | U.S. Philips Corporation | Actuation magnet for a printing stylus of a matrix printer |
| US5809157A (en) * | 1996-04-09 | 1998-09-15 | Victor Lavrov | Electromagnetic linear drive |
| US20040056227A1 (en) * | 2002-09-25 | 2004-03-25 | Karlheinz Mayr | Proportional pressure-regulator valve |
| JP2005268031A (en) * | 2004-03-18 | 2005-09-29 | Fuji Electric Fa Components & Systems Co Ltd | Release-type electromagnetic solenoid |
| CN1588585A (en) * | 2004-07-15 | 2005-03-02 | 浙江大学 | Anti high voltage permanent magnet polarized two-way ratio electromagnet |
| CN2779572Y (en) * | 2004-09-14 | 2006-05-10 | 北京理工大学 | Magnetic replacement type electromagnetism executor |
| CN101552081A (en) * | 2009-01-05 | 2009-10-07 | 东南大学 | Permanent magnetic operating mechanism making straight reciprocating motion |
| CN101776172A (en) * | 2010-03-23 | 2010-07-14 | 浙江大学 | High voltage-resistant permanent magnet-shield high speed switching electromagnet |
| DE102010045601A1 (en) * | 2010-09-16 | 2012-03-22 | Hydac Electronic Gmbh | Electromagnetic positioning device for use as cam adjuster for piston motor, has actuator movable from one switching position to another switching position and held in defined shift positions before triggering movement process of actuator |
| CN102063998A (en) * | 2010-11-23 | 2011-05-18 | 浙江大学 | Pressure-proof proportion electromagnet based on integrated type flux sleeve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511146A (en) * | 2018-02-11 | 2018-09-07 | 山东科技大学 | A kind of novel double-direction control proportion electro-magnet device and its control method |
| CN108511146B (en) * | 2018-02-11 | 2023-05-26 | 山东科技大学 | Novel bidirectional control proportional electromagnet device and control method thereof |
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| Publication number | Publication date |
|---|---|
| CN103606432B (en) | 2016-05-25 |
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