CN103515050A - Groove step surface self-returning type electromagnet - Google Patents
Groove step surface self-returning type electromagnet Download PDFInfo
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- CN103515050A CN103515050A CN201310428022.3A CN201310428022A CN103515050A CN 103515050 A CN103515050 A CN 103515050A CN 201310428022 A CN201310428022 A CN 201310428022A CN 103515050 A CN103515050 A CN 103515050A
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Abstract
The invention discloses a groove step surface self-returning type electromagnet which comprises a casing and armatures. A horizontally-through casing cavity is arranged in the casing. A front end cover is arranged at the left end of the casing cavity. A magnetic isolation sheet is arranged at the right end of the casing cavity, a magnetic conductive sheet is arranged at the right end of the magnetic isolation sheet, and a rear end cover is arranged at the right end of the magnetic conductive sheet. A stopping block, a front magnetic conductive sleeve, a magnetic isolation sleeve, a rear magnetic conductive sleeve and a flange are sequentially installed in the casing cavity from left to right in a sleeved mode. The front magnetic conductive sleeve, the magnetic isolation sleeve and the rear magnetic conductive sleeve are provided with control coils. A large channel and a small channel are arranged in the rear end cover and are connected in a mutual-communicating mode. The inner cavities are formed among the front magnetic conductive sleeve, the magnetic isolation sleeve, the rear magnetic conductive sleeve, the flange, the magnetic isolation sheet and the magnetic conductive sheet. The right ends of the inner cavities are communicated with the large channel. The armatures are arranged in the inner cavities. An annular permanent magnet is arranged in the large channel.
Description
Technical field
The present invention relates to a kind of electromagnet, especially a kind of groove cascaded surface is from return type electromagnet.
Background technology
High-speed switch electromagnet is a kind of electromechanical converter that PWM control amplifier signal is converted to the opening and closing state of high-speed switch electromagnet.
Patent of invention 201010130543.7 discloses a kind of high-speed switch electromagnet of one-body molded fairlead of special construction, include fairlead, in the centre of fairlead, be provided with a ring-type trapezoidal groove, ring-type trapezoidal groove is divided into front basin cone section, central bottom and rear basin cone section, bottom in the middle of ring-type trapezoidal groove is provided with annular permanent-magnet body, by annular permanent-magnet body, the leakage field of central bottom is reduced, and accelerated electromagnet reaction.But, while resetting due to it, only depend on a back-moving spring, back-moving spring stiffness effect armature return time and electromagnet natural frequency.And spring is as a mechanical part, in use unavoidably must there is the situations such as fatigue, fracture or corrosion, affect the useful life of electromagnet; The installation of spring also makes internal structure become complicated, and more complicated structure in use, relatively easily damages, and the difficulty of maintenance is also larger.
Summary of the invention
The technical problem to be solved in the present invention is to provide the groove cascaded surface of a kind of simple in structure, long service life and High power output from return type electromagnet.
In order to solve the problems of the technologies described above, the invention provides a kind of groove cascaded surface from return type electromagnet, comprise shell and armature; In described shell, be provided with the cavity pocket of outer cover that left and right connects; The left end of described cavity pocket of outer cover is provided with front end housing, and the right-hand member of described cavity pocket of outer cover is provided with antifreeze plate, and the right-hand member of described antifreeze plate is provided with magnetic conduction sheet, and the right-hand member of magnetic conduction sheet is provided with rear end cap; In described cavity pocket of outer cover, be from left to right set with successively block, front flux sleeve, magnetic shield, rear flux sleeve and flange; On described front flux sleeve, magnetic shield, rear flux sleeve, be provided with control coil; In described rear end cap, be provided with major path and passage aisle, described major path and passage aisle connect with each other; Between described flux sleeve, magnetic shield, rear flux sleeve, flange, antifreeze plate and magnetic conduction sheet, form inner chamber; The right-hand member of described inner chamber is connected with major path; In described inner chamber, armature is set; In described major path, be provided with annular permanent-magnet body.
As the improvement from return type electromagnet to groove cascaded surface of the present invention: be provided with push rod in described armature, the left end of described push rod runs through after block and front end housing successively, by bearing and block, interfix, the right-hand member of described push rod interfixes by another one bearing and passage aisle.
As the further improvement from return type electromagnet to groove cascaded surface of the present invention: described block, shell, front flux sleeve, rear flux sleeve, armature, flange, magnetic conduction sheet and rear end cap are the magnetic conductor that permeability magnetic material is made, and described magnetic shield is made by non-magnet material.
As the further improvement from return type electromagnet to groove cascaded surface of the present invention: described front flux sleeve is close to the front angled end-face of magnetic shield and the span of the angle α between the inwall of front flux sleeve is: 15 °≤α≤90 °; Described rear flux sleeve is close to the rear angled end-face of magnetic shield and the span of the angle β between the inwall of rear flux sleeve is: 15 °≤β≤90 °; The longitudinal section of described magnetic shield 9 is trapezoid cross section, the gapless fixedly laminating of a side of described magnetic shield and front angled end-face, an other side of described magnetic shield and the gapless fixedly laminating of rear angled end-face.
As the further improvement from return type electromagnet to groove cascaded surface of the present invention: be provided with radially working gas gap between the madial wall of inner chamber and the outer surface of armature; Between armature and annular permanent-magnet body, form axial working gas gap I; Between block and armature, form axial working gas gap II.
As the further improvement from return type electromagnet to groove cascaded surface of the present invention: the span of described radially working gas gap is 0.2mm～1mm.
As the further improvement from return type electromagnet to groove cascaded surface of the present invention: be provided with banking stop between described block and armature; Described banking stop is that non-magnet material is made.
As the further improvement from return type electromagnet to groove cascaded surface of the present invention: the span of the thickness of described banking stop is 0.1mm～0.5mm.
As the further improvement from return type electromagnet to groove cascaded surface of the present invention: described control coil is concentric helix tube type control coil.
In permanent magnetism reply type high-speed switch electromagnet of the present invention, flux sleeve (comprising front flux sleeve and rear flux sleeve), magnetic shield and armature have formed a moving-iron type structure, front flux sleeve, for the end face of the block boss of banking stop is set, have formed together a basin shape pole shoe.
In the present invention, the effect of flange comprises two, the one, and static line ring box, prevents that coil former from moving, the 2nd, optimize magnetic circuit.
Permanent magnetism reply type high-speed switch electromagnet of the present invention is compared with technical background, has following beneficial effect:
1, cancel the mechanical return spring of high-speed switch electromagnet, use fixing permanent magnet instead and replace mechanical return spring that reset force is provided, the problem such as electromagnet poor reliability, the useful life of avoiding the inefficacies such as spring fatigue, fracture or corrosion to cause are short.
2, High power output, restoring force characteristic is better, reliable operation.
3, electromagnet structure is simple, low cost of manufacture.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is the sectional structure schematic diagram of permanent magnetism reply type high-speed switch electromagnet of the present invention;
Fig. 2 is the structure for amplifying schematic diagram of I in Fig. 1;
Fig. 3 is the structure for amplifying schematic diagram of II in Fig. 1;
Fig. 4 is the magnetic circuit schematic diagram of Fig. 3 under control coil 5 no power states;
Fig. 5 is the magnetic circuit schematic diagram of Fig. 3 under control coil 5 "on" positions;
Fig. 6 is the magnetic circuit schematic diagram of Fig. 4 under control coil 5 no power states;
Fig. 7 is the magnetic circuit schematic diagram of Fig. 4 under control coil 5 "on" positions.
Embodiment
In shell 3, be provided with cylinder blanket cavity (left end and the right-hand member of cavity pocket of outer cover all connect), the left end of shell 3 arranges front end housing 1, the right-hand member of shell 3 arranges antifreeze plate 13, and antifreeze plate 13 right side arranges magnetic conduction sheet 14, and magnetic conduction sheet 14 right side arranges rear end cap 15; By the combination of shell 3, front end housing 1, antifreeze plate 13, magnetic conduction sheet 14 and rear end cap 15, form an outer surface and be cuboid and inside is the housing of cavity pocket of outer cover; Between shell 3, front end housing 1, antifreeze plate 13, magnetic conduction sheet 14 and rear end cap 15, interfix respectively connected (as shown in Figure 1, on front end housing 1, shell 3, antifreeze plate 13, magnetic conduction sheet 14 and rear end cap 15, be disposed with through hole, pass through through hole, use screw rod to penetrate successively after front end housing 1, shell 3, antifreeze plate 13, magnetic conduction sheet 14 and rear end cap 15, with nut and screw rod, front end housing 1, shell 3, antifreeze plate 13, magnetic conduction sheet 14 and rear end cap 15 are interfixed).
In cavity pocket of outer cover, be set with block 2, block 2 is comprised of stop bottom 21 and block boss 22, stop bottom 21 right side fixed stop boss 22(stop bottom 21 and block boss 22 also can be by the one-body molded blocks 2 of producing), the left surface of stop bottom 21 and front end housing 1 are fixedly linked.
The right side of cavity pocket of outer cover arranges flange 12, gapless being fixedly connected with of madial wall of the end face of flange 121 of flange 12 and cavity pocket of outer cover, and the flange sidewall 122 of flange 12 is fixedly linked with the antifreeze plate sidewall 131 of antifreeze plate 13.
Whole magnetosheath assembly is sleeved in shell 3, and front flux sleeve 6, magnetic shield 9 and rear flux sleeve 10 are all sleeved in shell 3.The step surface 24 that stop bottom 21 and block boss 22 form and gapless being fixedly linked of front flux sleeve end face 61 in front flux sleeve 6 left sides, inner chamber 62(and block boss 22 that block boss 22 is positioned at magnetosheath assembly are only positioned at front flux sleeve inner chamber).
The rear flux sleeve end face 101 of rear flux sleeve 10 and flange sidewall 123 gaplesss of flange 12 are fixedly linked.
In the region that the flange left side wall 123 in the lateral wall of the lateral wall of the lateral wall of front flux sleeve 6, magnetic shield 9, rear flux sleeve 10, flange 12 left sides, the sidewall of cavity pocket of outer cover and step surface 24 surround, coil former 4 is set, the interior fixedly control coil 5 of coil former 4, control coil 5 can be selected concentric helix tube type control coil.
The flange right side wall 122 on flange 12 right sides and antifreeze plate 13 gaplesss are fixedly linked, and antifreeze plate 13 and magnetic conduction sheet 14 gaplesss are fixedly linked, and magnetic conduction sheet 14 is fixedly linked with rear end cap sidewall 151 gaplesss on rear end cap 15 right sides.
In rear end cap 15, be provided with rear end cap passage, rear end cap passage is step-like rear end cap passage, and this step-like rear end cap passage is comprised of the major path 153 being interconnected and passage aisle 154, and major path 153 aperture is greater than passage aisle 154 aperture; Major path 153 is connected with the inner chamber 62 of magnetosheath assembly, that is, and and major path 153 and rear flux sleeve intracavity inter-connection; Major path 153 aperture is greater than the aperture (general, the large 0mm～16mm in the aperture of flux sleeve inner chamber after the aperture ratio of major path 153) of rear flux sleeve inner chamber.The interface of major path 153 and passage aisle 154 forms step surface, as shown in Figure 4, on step surface, there is an annular projection 156, on this annular projection 156, be provided with a circular passage 155, these 155 one end, circular passage are connected with major path 153, and the other end is the V-type of reversion; The inner ring aperture that aperture, 155 outer ring, this circular passage equals ，Gai circular passage, major path 153 aperture 155 is more than or equal to the aperture (the large 0mm～10mm in aperture of flux sleeve inner chamber after the inner ring aperture ratio of Ji， circular passage 155) of rear flux sleeve inner chamber.
The internal diameter of the inner chamber 62 of magnetosheath assembly, than the large 0.2mm～1mm of the diameter of armature 11, forms radially working gas gap 621 between the madial wall of inner chamber 62 and the outer surface of armature 11; Armature 11 is by working gas gap 621 radially can horizontally slip in the inner chamber 62 of magnetosheath assembly (because the internal diameter of the inner chamber 62 of magnetosheath assembly than the large 0.2mm～1mm of the diameter of armature 11, radially working gas gap 621 is 0.2mm～1mm).On the end face 111 on armature 11 right sides, be provided with armature passage 112, (diameter changes internal diameter) internal diameter of armature passage 112 is less than the diameter of armature 11, and the degree of depth is 0mm～3mm.This armature passage 112 is positioned at major path 153 also and major path 153 is connected.
For fear of armature 11, by block boss 22, sucked, thereby quickening dispose procedure, therefore at the end face 23 ring-type banking stop 8 that fixedly non-magnet material is made of block boss 22, the axial length of banking stop 8 be 0.1mm～0.5mm(, thickness is 0.1mm～0.5mm).When armature 11 contacts with banking stop 8, armature 11 just can not move to the left.
In permanent magnetism reply type high-speed switch electromagnet of the present invention, front flux sleeve 6, magnetic shield 9, rear flux sleeve 10 and armature 11 have formed a moving-iron type structure, and front flux sleeve 6 has formed a basin shape pole shoe together with end face 23.
The interior push rod 7 that arranges of armature 11, the left end of push rod 7 runs through block 2 and front end housing 1, and the right-hand member of push rod 7 runs through major path 153 and passage aisle 154.The left end of bearing 17 is fixed on the inside of block 2(stop bottom 21 and block boss 22 by a bearing 17) in, the right-hand member of bearing 17 is fixed on rear end cap 15(passage aisle 154 by another one bearing 17) in; Rely on two bearings 17, push rod 7 can horizontally slip along axial line, and (in Fig. 1, clean and tidy for drawing, does not do independently mark to the bearing 17 being fixed in block 2, but according to figure, can find out clearly that in the left side of push rod 7 be to be also provided with bearing 17).
Between the end face 111 of armature 11 and the annular projection 156 of rear end cap 15, form axial working gas gap I 152(as shown in Figure 3).Gap between the end face 23 of block boss 22 and the front end 112 of armature 11 forms axial working gas gap II 622(as shown in Figure 2).
Permanent magnetism reply type high-speed switch electromagnet real work principle of the present invention is as described in Fig. 4～Fig. 7, specific as follows:
1, as shown in Figure 4 and Figure 6, when control coil 5 no power, annular permanent-magnet body 16 model polarizing magnetic fields, polarizing magnetic field divides five part Φ
1(being Fig. 4 to 201 in Fig. 6), Φ
2(being Fig. 4 to 202 in Fig. 6), Φ
3(being Fig. 4 to 203 in Fig. 6), Φ
4(being Fig. 4 to 204 in Fig. 6) and Φ
5(being Fig. 4 to 205 in Fig. 6).
Φ
1after annular permanent-magnet body 16, axial working gas gap I 152, armature 11, axial working gas gap I 152 and rear end cap 15, get back to annular permanent-magnet body 16, form closed-loop path.
Φ
2after annular permanent-magnet body 16, rear end cap 15, magnetic conduction sheet 14, antifreeze plate 13, shell 3, block 2, banking stop 8, axial working gas gap II 622, armature 11 and axial working gas gap I 152, get back to annular permanent-magnet body 16, form closed-loop path.
Φ
3along annular permanent magnet 16, rear end cap 15, magnetic conduction sheet 14, antifreeze plate 13, flange 12, radially working gas gap 621, armature 11 and axially get back to annular permanent-magnet body 16 after working gas gap I 152, form closed-loop path.
Φ
4along annular permanent magnet 16, rear end cap 15, magnetic conduction sheet 14, antifreeze plate 13, flange 12, rear flux sleeve 10, radially working gas gap 621, armature 11 and axially get back to annular permanent-magnet body 16 after working gas gap I 152, form closed-loop path.
Φ
5along annular permanent magnet 16, rear end cap 15, magnetic conduction sheet 14, radially working gas gap 621, armature 11 and axially get back to annular permanent-magnet body 16 after working gas gap I 152, form closed-loop path.
2,, as shown in Fig. 5 and Fig. 7, when control coil 5 input control electric current, the control magnetic flux that control coil 5 produces is divided into three part Φ
4, Φ
5and Φ
6(being Fig. 4 to 206 in Fig. 6).
Φ
4successively through armature 11, radially working gas gap 621, front flux sleeve 6, block 2, shell 3, flange 12, after flux sleeve 10 and radially get back to armature 11 after working gas gap 621, form closed-loop path.
Φ
5successively through armature 11, axially working gas gap II 622, banking stop 8, block 2, shell 3, flange 12, after flux sleeve 10 and radially get back to armature 11 after working gas gap 621, form closed-loop path.
Φ
6successively through armature 11, axially working gas gap II 622, banking stop 8, block 2, shell 3, flange 12, antifreeze plate 13, magnetic conduction sheet 14, radially working gas gap 621 is got back to armature 11, forms closed-loop path.
Controlling under the impact of magnetic flux the Φ of the polarizing magnetic field that annular permanent-magnet body 16 produces
2after annular permanent-magnet body 16, axial working gas gap I 152, armature 11, axial working gas gap II 622, banking stop 8, block 2, shell 3, antifreeze plate 13, magnetic conduction sheet 14 and rear end cap 15, get back to annular permanent-magnet body 16, form closed-loop path.
The polarizing magnetic field Φ that annular permanent-magnet body 16 produces
1along annular permanent-magnet body 16, axial working gas gap I 152, armature 11, axial working gas gap I 152, rear end cap 15, get back to annular permanent-magnet body 16, form closed-loop path.
After control coil 5 switches on power, armature 11 and block 2(block boss 22) between produce corresponding electromagnetic attraction, when the electromagnetic attraction producing is greater than the magnetic field force that fixed annular permanent-magnet body 16 produces, armature 11 is to left movement, until contact with banking stop 8, reach attracted position; After control coil 5 deenergizations, the magnetic field force that fixed annular permanent-magnet body 16 produces promotes armature 11 and moves right, until contact with rear end cap 15 (that is, the step surface 156 forming with the interface of major path 153 and passage aisle 154 contacts, and step surface 156 as shown in Figure 3).
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 (9)
1. groove cascaded surface, from return type electromagnet, comprises shell (3) and armature (11); It is characterized in that: in described shell (3), be provided with the cavity pocket of outer cover that left and right connects;
The left end of described cavity pocket of outer cover is provided with front end housing (1), and the right-hand member of described cavity pocket of outer cover is provided with antifreeze plate (13), and the right-hand member of described antifreeze plate (13) is provided with magnetic conduction sheet (14), and the right-hand member of magnetic conduction sheet (14) is provided with rear end cap (15);
In described cavity pocket of outer cover, be from left to right set with successively block (2), front flux sleeve (6), magnetic shield (9), rear flux sleeve (10) and flange (12);
On described front flux sleeve (6), magnetic shield (9), rear flux sleeve (10), be provided with control coil (5);
In described rear end cap (15), be provided with major path (153) and passage aisle (154), described major path (153) and passage aisle (154) connect with each other;
Between described flux sleeve (6), magnetic shield (9), rear flux sleeve (10), flange (12), antifreeze plate (13) and magnetic conduction sheet (14), form inner chamber (62); The right-hand member of described inner chamber (62) is connected with major path (153);
Armature (11) is set in described inner chamber (62);
In described major path (153), be provided with annular permanent-magnet body (16).
2. groove cascaded surface according to claim 1 is from return type electromagnet, it is characterized in that: in described armature (11), be provided with push rod (7), the left end of described push rod (7) runs through after block (2) and front end housing (1) successively, by bearing (17) and block (2), interfix, the right-hand member of described push rod (7) interfixes by another one bearing (17) and passage aisle (154).
3. groove cascaded surface according to claim 2 is from return type electromagnet, it is characterized in that: described block (2), shell (3), front flux sleeve (6), rear flux sleeve (10), armature (11), flange (12), magnetic conduction sheet (14) and rear end cap (15) are the magnetic conductor that permeability magnetic material is made, and described magnetic shield (9) is made by non-magnet material.
4. groove cascaded surface according to claim 3, from return type electromagnet, is characterized in that: the span that described front flux sleeve (6) is close to the angle α between the front angled end-face (631) of magnetic shield (9) and the inwall of front flux sleeve (6) is: 15 °≤α≤90 °;
The span that described rear flux sleeve (10) is close to the angle β between the rear angled end-face (103) of magnetic shield (9) and the inwall of rear flux sleeve (10) is: 15 °≤β≤90 °;
The longitudinal section of described magnetic shield 9 is trapezoid cross section, a side of described magnetic shield (9) and the gapless fixedly laminating of front angled end-face (631), an other side of described magnetic shield (9) and the gapless fixedly laminating of rear angled end-face (103).
5. groove cascaded surface according to claim 4, from return type electromagnet, is characterized in that: between the madial wall of inner chamber (62) and the outer surface of armature (11), be provided with radially working gas gap (621);
Between armature (11) and annular permanent-magnet body (16), form axial working gas gap I (152); Between block (2) and armature (11), form axial working gas gap II (622).
6. groove cascaded surface according to claim 5, from return type electromagnet, is characterized in that: the span of described radially working gas gap (621) is 0.2mm～1mm.
7. groove cascaded surface according to claim 6, from return type electromagnet, is characterized in that: between described block (2) and armature (11), be provided with banking stop (8); Described banking stop (8) is made for non-magnet material.
8. groove cascaded surface according to claim 7, from return type electromagnet, is characterized in that: the span of the thickness of described banking stop (8) is 0.1mm～0.5mm.
9. groove cascaded surface according to claim 8, from return type electromagnet, is characterized in that: described control coil (5) is concentric helix tube type control coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310428022.3A CN103515050A (en) | 2013-09-18 | 2013-09-18 | Groove step surface self-returning type electromagnet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310428022.3A CN103515050A (en) | 2013-09-18 | 2013-09-18 | Groove step surface self-returning type electromagnet |
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| CN103515050A true CN103515050A (en) | 2014-01-15 |
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|---|---|---|---|
| CN201310428022.3A Pending CN103515050A (en) | 2013-09-18 | 2013-09-18 | Groove step surface self-returning type electromagnet |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505213A (en) * | 2013-12-25 | 2015-04-08 | 江苏鑫龙化纤机械有限公司 | Efficient high-speed direct-current electromagnetic unit |
| CN104847951A (en) * | 2015-06-04 | 2015-08-19 | 昆山大庚汽车配件有限公司 | Novel high-precision electromagnetic valve |
| 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 |
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| JPS58148408A (en) * | 1982-02-28 | 1983-09-03 | Matsushita Electric Works Ltd | Polarized electromagnet unit |
| JPS61102008A (en) * | 1984-10-25 | 1986-05-20 | Matsushita Electric Works Ltd | Electromagnet device |
| US4604599A (en) * | 1983-11-16 | 1986-08-05 | La Telemecanique Electrique | Electromagnet comprised of yokes and an armature supporting a permanent magnet fitted on its pole faces with pole pieces that project from the axis of the magnet, this axis being perpendicular to the direction of movement |
| CN101776172A (en) * | 2010-03-23 | 2010-07-14 | 浙江大学 | High voltage-resistant permanent magnet-shield high speed switching electromagnet |
| CN102779611A (en) * | 2012-07-12 | 2012-11-14 | 浙江科技学院 | Permanent magnet recovery type high-speed switch electromagnet |
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2013
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Patent Citations (5)
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|---|---|---|---|---|
| JPS58148408A (en) * | 1982-02-28 | 1983-09-03 | Matsushita Electric Works Ltd | Polarized electromagnet unit |
| US4604599A (en) * | 1983-11-16 | 1986-08-05 | La Telemecanique Electrique | Electromagnet comprised of yokes and an armature supporting a permanent magnet fitted on its pole faces with pole pieces that project from the axis of the magnet, this axis being perpendicular to the direction of movement |
| JPS61102008A (en) * | 1984-10-25 | 1986-05-20 | Matsushita Electric Works Ltd | Electromagnet device |
| CN101776172A (en) * | 2010-03-23 | 2010-07-14 | 浙江大学 | High voltage-resistant permanent magnet-shield high speed switching electromagnet |
| CN102779611A (en) * | 2012-07-12 | 2012-11-14 | 浙江科技学院 | Permanent magnet recovery type high-speed switch electromagnet |
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| 李威，胡旭东，李其朋: "磁回复高速开关电磁铁仿真分析", 《机电工程》, vol. 30, no. 4, 30 April 2013 (2013-04-30) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505213A (en) * | 2013-12-25 | 2015-04-08 | 江苏鑫龙化纤机械有限公司 | Efficient high-speed direct-current electromagnetic unit |
| CN104847951A (en) * | 2015-06-04 | 2015-08-19 | 昆山大庚汽车配件有限公司 | Novel high-precision electromagnetic valve |
| 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 |
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Application publication date: 20140115 |