CN103985501A - Large-attraction-force electromagnet - Google Patents
Large-attraction-force electromagnet Download PDFInfo
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- CN103985501A CN103985501A CN201410223557.1A CN201410223557A CN103985501A CN 103985501 A CN103985501 A CN 103985501A CN 201410223557 A CN201410223557 A CN 201410223557A CN 103985501 A CN103985501 A CN 103985501A
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Abstract
The invention discloses a large-attraction-force electromagnet. The large-attraction-force electromagnet comprises an armature, an electromagnetic casing, an electromagnet core, a coil, a cable pressing board, a wire and a connector. The armature is in clearance fit with the cylindrical surface of the electromagnet core; enameled wires are wound inside the circular grooves of the electromagnet core to form the coil which is combined with the electromagnet core into an electromagnetic coil; one end of the wire is welded with the connector, the other end of the wire is connected with the coil, and the wire is pressed onto the upper end surface of the electromagnet core through the cable pressing board to avoid accidental breakage from the coil; the electromagnet core and the electromagnetic casing are connected in a threadedly matched mode; the upper end step of the electromagnetic casing prevents the electromagnet core from being screwed into the casing too much to achieve limiting effects. The large-attraction-force electromagnet is simple in structure, rapid in assembly and convenient to maintain; the electromagnetic coils of multiple products can be exchanged for usage at any time, so that the large-attraction-force electromagnet can be widely applied to the industries such as electromagnetic valves and electronic control. Compared with matured electromagnets in the same size, the large-attraction-force electromagnet improves the attraction force greatly; when achieving the same attraction force, the large-attraction-force electromagnet can reduce the size by 20-30%.
Description
Technical field
The invention belongs to Solenoid Valve Technology field, more specifically, relate to a kind of large suction electromagnet, electromagnet suction of the present invention can reach 440N at the stroke of 2mm.
Background technology
In electromagnet industry, electromagnetic attraction and stroke are the key parameters of electromagnet performance, electromagnetic attraction reduces with the increase of stroke, if increase electromagnetic attraction in the situation that stroke is certain, electromagnet volume and weight all can be along with increases, current existing electromagnet structure, large suction electromagnet volume is large, weight is large, complex structure, and practicality is not high.Electromagnet volume in the present invention is little, lightweight, simple in structure, has practical engineering application advantage.
Summary of the invention
For the defect of prior art, the object of the present invention is to provide a kind of large suction electromagnet, be intended to solve large, the baroque technical problem of electromagnet volume in prior art.
Large suction electromagnet provided by the invention comprises armature, electromagnetism housing, electromagnetic core, coil, cable pressing plate, wire, joint; Described armature is cylindrical structure, and described armature bottom is provided with for connecting by the screwed hole of control elements, the face of cylinder matched in clearance of armature and electromagnetic core; Cannelure is set one in the middle of described electromagnetic core, for enamelled wire, is wound on and in cannelure, forms coil; In described cannelure upper surface together with the setting of cannelure inner circle direction tangential the leading groove slightly wider than enamelled wire, during coiling, enamelled wire is imbedded in leading groove, avoids enamelled wire in radial coil and axial leading groove to interfere; Keeping to the side a U-shaped wire hole is set along position in described electromagnetic core upper surface, for wire, is connected with enamelled wire; Described electromagnetic core upper surface is provided with assembly technology hole; Described coil and described electromagnetic core are combined to form solenoid; One end of described wire and the welding of described joint, the other end of described wire is connected with described coil, and the other end of described wire is pressed on the upper surface of electromagnetic core by cable pressing plate; Described electromagnetism housing is columnar structured, and endoporus lower end is provided with fine thread, and endoporus upper end is provided with ledge structure; Described ledge structure is used for preventing that solenoid from excessively screwing in electromagnetism enclosure interior, plays position-limiting action; Described electromagnetism housing is connected with described electromagnetic core threaded engagement.
Wherein, described coil is polyimides enamelling cuprum round line.
Wherein, the material of described armature, described electromagnetism housing or described electromagnetic core is 1J series magnetically soft alloy.
The invention provides a kind of than existing ripe electromagnet suction the large and less electromagnet of volume, electromagnet contrast with ripe same volume, electromagnet suction of the present invention has a distinct increment, and adopts the technology of the present invention to carry out Electromagnetic Design simultaneously, and identical suction lower volume can reduce 20%～30%.The features such as in addition, the present invention has easy assembly and disassembly simple in structure, the little quality of volume is light, suction large, good heat dissipation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the large suction electromagnet that provides of the embodiment of the present invention;
Fig. 2 is the local enlarged diagram of electromagnetism housing in the large suction electromagnet that provides of the embodiment of the present invention;
Fig. 3 is the local enlarged diagram of electromagnetism housing in the large suction electromagnet that provides of the embodiment of the present invention;
Fig. 4 is the structural representation of electromagnetic core in the large suction electromagnet that provides of the embodiment of the present invention;
Fig. 5 is the electromagnetic core face upwarding section described in Fig. 4;
Fig. 6 is the vertical view of the electromagnetic core described in Fig. 4;
Mark in figure: armature 1, electromagnetism housing 2, electromagnetic core 3, coil 4, cable pressing plate 5, wire 6, joint 7, fine thread 21, ledge structure 22, leading groove 31, U-shaped wire hole 32, assembly technology hole 33.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
In order to meet little, the lightweight demand of large suction electromagnet volume, the invention provides a kind of large suction electromagnet, this electromagnet volume is little, lightweight, simple in structure, and excellent performance is reliable.The actuator that large suction electromagnet provided by the invention is suitable as the products such as valve, machinery, electronic apparatus is in industrial use.
Fig. 1 shows the structure of the large suction electromagnet that the embodiment of the present invention provides, and for convenience of explanation, only shows the part relevant to the embodiment of the present invention, and details are as follows:
The large suction electromagnet that the embodiment of the present invention provides comprises armature 1, electromagnetism housing 2, electromagnetic core 3, coil 4, cable pressing plate 5, wire 6 and joint 7; Wherein, electromagnetism housing 2 can be for columnar structured, and endoporus lower end is provided with fine thread 21, and endoporus upper end is provided with ledge structure 22; Electromagnetic core plays position-limiting action while screwing in electromagnetism housing 2 endoporus; Electromagnetism housing 2 outer walls, without other pore structure, are beneficial to the conduction in magnetic field like this, promote suction.
Cannelure is set one in the middle of electromagnetic core 3, be convenient to enamelled wire and be wound on formation coil in cannelure, cannelure upper surface leading groove 31 slightly wider than enamelled wire together with the setting of cannelure inner circle direction tangential, can effectively utilize the height of cannelure, during coiling, enamelled wire is imbedded in leading groove 31, avoids radial coil and the axial interior enamelled wire of leading groove 31 to interfere, can coiling the coil of multiturn number more.Keeping to the side a U-shaped wire hole 32 is set along position in electromagnetic core upper surface, for wire, is connected with enamelled wire.Electromagnetic core 3 upper surfaces are provided with assembly technology hole 33.
Armature 1 and electromagnetic core 2 face of cylinder matched in clearance, the interior coil 4 that forms of cannelure that enamelled wire is wound on electromagnetic core 3 is combined into solenoid with electromagnetic core 3, wire 6 one end and joint are welded to connect, the other end is connected with coil, and by cable pressing plate, be pressed on the upper surface of electromagnetic core, prevent that wire and coil from surprisingly disconnecting, electromagnetic core 3 is connected with electromagnetism housing 2 endoporus lower end threaded engagement, electromagnetism housing 2 endoporus upper end step prevent that electromagnetic core from excessively screwing in electromagnetism housing 2 inside, plays position-limiting action;
The invention provides a kind of than existing ripe electromagnet suction the large and less electromagnet of volume, it is advantageous that, electromagnet contrast with ripe same volume, electromagnet suction of the present invention has a distinct increment, adopt the technology of the present invention to carry out electromagnet setting, identical suction lower volume can reduce 20%～30% simultaneously.
In embodiments of the present invention, coil 4 can be selected the polyimides enamelling cuprum round line that temperature resistant grade is higher.
In embodiments of the present invention, electromagnetism housing 2 can be for columnar structured, and endoporus lower end is provided with fine thread 21, and endoporus upper end is provided with ledge structure 22, and when electromagnetic core 3 screws in electromagnetism housing 2 endoporus, ledge structure plays position-limiting action; Electromagnetism housing 2 outer walls, without other pore structure, are beneficial to the conduction in magnetic field like this, promote suction.
In embodiments of the present invention, the material of armature 1, electromagnetism housing 2, electromagnetic core 3 all can adopt the more excellent 1J series magnetically soft alloy of magnetic property.
The present invention is arranged to the workpiece with cannelure by electromagnetic core 3, can directly enamelled wire be wound on and in cannelure, form coil 4, be combined into solenoid with electromagnetic core 3, the non-metal wire ring framework that a special coiling is set with traditional electrical magnet inside is distinguished to some extent, so electromagnet volume diminishes.Directly enamelled wire is wound in the cannelure of electromagnetic core 3 and forms solenoid, electromagnetic core 3 is connected with electromagnetism housing 2 by screw thread, has reduced assembling process technique difficulty.Because traditional electromagnet coil skeleton and electromagnetic core 3 are matched in clearance, need to be by the glue filling opening encapsulating on electromagnetism housing after electromagnet has assembled for the location of coil rack, technical difficulty is larger.Owing to no longer needing encapsulating to electromagnetic core 3 location in the present invention, electromagnetism housing 2 no longer arranges glue filling opening, and this improvement has certain effect to promoting electromagnetic attraction.Electromagnetic core 3 is threaded with electromagnetism housing 2, distinguishes and traditional welding and spinning connected mode, reduces technical difficulty, while electromagnet convenient disassembly of the present invention, and a plurality of electromagnet can exchange arbitrarily electromagnetic core 3 and use.Coil 4 directly contacts with electromagnetism housing 2 with electromagnetic core 3, is conducive to the heat radiation of electromagnet.
In sum, the feature heavy for the large quality of existing product complex structure, overall dimension, technology difficulty is large, the present invention proposes a kind of large suction electromagnet, the features such as this invention has easy assembly and disassembly simple in structure, the little quality of volume is light, suction large, good heat dissipation.
For the large suction electromagnet that the further description embodiment of the present invention provides, below in conjunction with drawings and Examples, the present invention is described in more detail.
Referring to Fig. 1, electromagnet embodiment of the present invention comprises armature 1, electromagnetism housing 2, electromagnetic core 3, coil 4, cable pressing plate 5, wire 6, joint 7.
Armature 1 and electromagnetic core 3 face of cylinder matched in clearance; The interior coil 4 that forms of cannelure that enamelled wire is wound on electromagnetic core 3 is combined into solenoid with electromagnetic core 3; Wire 6 one end and joint 7 are welded to connect, the other end is connected with coil 4, and by cable pressing plate 5, be pressed on the upper surface of electromagnetic core 3, prevent wire and the unexpected disconnection of coil 4, electromagnetic core 3 is connected by electromagnetism housing 2 endoporus lower end fine threads 21, electromagnetism housing 2 endoporus upper end step structures 22 prevent that electromagnetic core 3 from excessively screwing in electromagnetism housing 2 inside, plays position-limiting action.
Referring to Fig. 2, electromagnetism housing 2 is columnar structured, and endoporus lower end is provided with fine thread 21.
Referring to Fig. 3, endoporus upper end is provided with ledge structure 22, and electromagnetic core 3 plays position-limiting action while screwing in electromagnetism housing 2 endoporus.
Referring to Fig. 4, in the middle of electromagnetic core 3, cannelure is set one, be convenient to enamelled wire and be wound on formation coil in cannelure.
Referring to Fig. 5, cannelure upper surface leading groove 31 slightly wider than enamelled wire together with the setting of cannelure inner circle direction tangential on electromagnetic core 3, can effectively utilize the height of cannelure, during coiling, enamelled wire is nuzzled in leading groove 31, avoid radial coil and the axial interior enamelled wire of leading groove 31 to interfere, can coiling the coil of multiturn number more.
Referring to Fig. 5, keeping to the side a U-shaped wire hole 32 is set along position in electromagnetic core 3 upper surfaces, for wire, is connected with enamelled wire.
Referring to Fig. 6, electromagnetic core 3 upper surfaces are provided with assembly technology hole 33.
Installation process of the present invention is as follows:
(1) check, clean all parts;
(2) coil 4 is wound in the cannelure of electromagnetic core 3 and forms solenoid, coil 4 passes with wire 6 and is connected from electromagnetic core 3 upper surface U-shaped wire holes 32, wire 6 use cable pressing plates 5 are pressed abd fixed on to the upper surface of electromagnetic core 3, wire 6 is welded to connect with joint 7; Wherein, coil 4 can be selected the polyimides enamelling cuprum round line that temperature resistant grade is higher;
(3) electromagnetic core assembling 3 is screwed in to electromagnetism housing 2 endoporus;
(4) finally armature 1 is packed in the hole of electromagnetic core 3, so far assemble complete.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. a large suction electromagnet, is characterized in that, comprises armature (1), electromagnetism housing (2), electromagnetic core (3), coil (4), cable pressing plate (5), wire (6), joint (7);
Described armature (1) is cylindrical structure, and described armature (1) bottom is provided with for connecting by the screwed hole of control elements, the face of cylinder matched in clearance of armature (1) and electromagnetic core (3);
Cannelure is set one in the middle of described electromagnetic core (3), for enamelled wire, is wound on and in cannelure, forms coil (4); In described cannelure upper surface together with the setting of cannelure inner circle direction tangential the leading groove (31) slightly wider than enamelled wire, during coiling, enamelled wire is imbedded in leading groove (31), avoids radial coil and the axially interior enamelled wire interference of leading groove (31); Keeping to the side a U-shaped wire hole (32) is set along position in described electromagnetic core upper surface, for wire, is connected with enamelled wire; Described electromagnetic core upper surface is provided with assembly technology hole (33);
Described coil (4) is combined to form solenoid with described electromagnetic core (3);
One end of described wire (6) and described joint (7) welding, the other end of described wire (6) is connected with described coil (4), and the other end of described wire (6) is pressed on the upper surface of electromagnetic core (3) by cable pressing plate (5);
Described electromagnetism housing (2) is columnar structured, and endoporus lower end is provided with fine thread (21), and endoporus upper end is provided with ledge structure (22); Described ledge structure (22) excessively screws in electromagnetism housing (2) inside for preventing solenoid, plays position-limiting action; Described electromagnetism housing (2) is connected with described electromagnetic core (3) threaded engagement.
2. large suction electromagnet as claimed in claim 1, is characterized in that, described coil (4) is polyimides enamelling cuprum round line.
3. large suction electromagnet as claimed in claim 1 or 2, is characterized in that, the material of described armature (1), described electromagnetism housing (2) or described electromagnetic core (3) is 1J series magnetically soft alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410223557.1A CN103985501B (en) | 2014-05-23 | 2014-05-23 | A kind of large suction electromagnet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410223557.1A CN103985501B (en) | 2014-05-23 | 2014-05-23 | A kind of large suction electromagnet |
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| Publication Number | Publication Date |
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| CN103985501A true CN103985501A (en) | 2014-08-13 |
| CN103985501B CN103985501B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410223557.1A Active CN103985501B (en) | 2014-05-23 | 2014-05-23 | A kind of large suction electromagnet |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108022713A (en) * | 2017-11-30 | 2018-05-11 | 上海芑创电子技术有限公司 | A kind of electromagnet |
| CN108615594A (en) * | 2018-07-16 | 2018-10-02 | 漳州市龙文区上野技术开发服务部 | A kind of electromagnet iron core applied to door roller |
| CN109326412A (en) * | 2018-11-15 | 2019-02-12 | 宁夏银利电气股份有限公司 | A kind of high frequency transformer |
| CN109411223A (en) * | 2018-11-15 | 2019-03-01 | 宁夏银利电气股份有限公司 | A kind of production method of high frequency transformer |
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| DE202004011676U1 (en) * | 2004-07-26 | 2004-12-16 | Trw Automotive Gmbh | Electromagnetic linear adjusting device for operating a gas exchange valve in an internal combustion (IC) engine has a cup core with a support surface |
| CN2743944Y (en) * | 2004-07-16 | 2005-11-30 | 中国船舶重工集团公司第七○二研究所 | Corrosion-proof magnet |
| WO2009019089A1 (en) * | 2007-08-04 | 2009-02-12 | Schaeffler Kg | Electromagnetic actuating unit |
| CN202339783U (en) * | 2011-12-01 | 2012-07-18 | 北京星网宇达科技股份有限公司 | Electromagnet for high-precision positioning |
| CN102760548A (en) * | 2012-07-17 | 2012-10-31 | 宁波市鄞州通力液压电器厂 | Electromagnet coil framework |
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2014
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Patent Citations (5)
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| CN2743944Y (en) * | 2004-07-16 | 2005-11-30 | 中国船舶重工集团公司第七○二研究所 | Corrosion-proof magnet |
| DE202004011676U1 (en) * | 2004-07-26 | 2004-12-16 | Trw Automotive Gmbh | Electromagnetic linear adjusting device for operating a gas exchange valve in an internal combustion (IC) engine has a cup core with a support surface |
| WO2009019089A1 (en) * | 2007-08-04 | 2009-02-12 | Schaeffler Kg | Electromagnetic actuating unit |
| CN202339783U (en) * | 2011-12-01 | 2012-07-18 | 北京星网宇达科技股份有限公司 | Electromagnet for high-precision positioning |
| CN102760548A (en) * | 2012-07-17 | 2012-10-31 | 宁波市鄞州通力液压电器厂 | Electromagnet coil framework |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108022713A (en) * | 2017-11-30 | 2018-05-11 | 上海芑创电子技术有限公司 | A kind of electromagnet |
| CN108615594A (en) * | 2018-07-16 | 2018-10-02 | 漳州市龙文区上野技术开发服务部 | A kind of electromagnet iron core applied to door roller |
| CN109326412A (en) * | 2018-11-15 | 2019-02-12 | 宁夏银利电气股份有限公司 | A kind of high frequency transformer |
| CN109411223A (en) * | 2018-11-15 | 2019-03-01 | 宁夏银利电气股份有限公司 | A kind of production method of high frequency transformer |
| CN109326412B (en) * | 2018-11-15 | 2024-03-15 | 宁夏银利电气股份有限公司 | High-frequency transformer |
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| Publication number | Publication date |
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| CN103985501B (en) | 2016-04-13 |
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