CN202720986U - Electromagnet with large stroke ratio - Google Patents
Electromagnet with large stroke ratio Download PDFInfo
- Publication number
- CN202720986U CN202720986U CN 201220457162 CN201220457162U CN202720986U CN 202720986 U CN202720986 U CN 202720986U CN 201220457162 CN201220457162 CN 201220457162 CN 201220457162 U CN201220457162 U CN 201220457162U CN 202720986 U CN202720986 U CN 202720986U
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- CN
- China
- Prior art keywords
- flux sleeve
- inner chamber
- coil windings
- armature
- inner cavity
- Prior art date
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Abstract
The utility model discloses an electromagnet with a large stroke ratio. The electromagnet with the large stroke ratio comprises a flux sleeve, a coil winding I, a coil winding II, an end cover, a push rod, an armature, a restoration spring and a casing body. The flux sleeve is arranged in the casing body. The coil winding I is arranged between the flux sleeve and the casing body. A small cylinder inner cavity and a large cylinder inner cavity where the armature can be installed are arranged in the flux sleeve. A left inner cavity, corresponding to the small cylinder inner cavity, is arranged in the armature. The push rod with the restoration spring is arranged in the left inner cavity. The other end of the restoration spring is arranged in the small cylinder inner cavity. A ring-shaped groove is arranged in the external side of the large cylinder inner cavity. The coil winding II is wound in the ring-shaped groove and connected with the coil winding I in parallel. The electromagnet with the large stroke ratio has the advantages of being compact in structure, large in stroke range and good in use effect.
Description
Technical field
The utility model relates to a kind of actuator, particularly a kind of novel large travel proportional electromagnet that carries out displacement control in automatic control system.
Background technology
Electromagnet is a kind of linear actuator that directly electric energy is converted to rectilinear motion output, compares with the straight-line motion mechanism that adopts motor to rotarily drive nut-screw rod, has the advantages such as simple in structure, that cost is low, the space is little.The typical proportions electromagnet, the general basin shape pole shoe structure that adopts, namely weld one section magnetism-isolating loop in the stage casing of flux sleeve with non-magnet material brass, leading portion and back segment are respectively the magnetic conductor that soft magnetic material is made, obtain good ratio output characteristic, but its technique realizes comparatively complicated, and ratio stroke shorter (being generally in several millimeters), and its range of application is restricted in some occasion such as the large flow proportion valve of Direct Action Type, separation umbilical connector etc.
The utility model content
The purpose of this utility model is, a kind of large travel proportional electromagnet is provided.The utlity model has preferably characteristics of the large and result of use of compact conformation, stroke range.
The technical solution of the utility model: a kind of large travel proportional electromagnet, comprise flux sleeve, the coil windings I, the coil windings II, end cap, push rod, armature, back-moving spring and housing, described flux sleeve is positioned at housing, described coil windings I is arranged between flux sleeve and the housing, it is characterized in that: be provided with the small column inner chamber in the described flux sleeve and the big column inner chamber of armature be used for to be installed, armature is provided with the left side inner chamber relative with the small column inner chamber, be provided with the push rod with back-moving spring in the inner chamber of left side, the back-moving spring other end is arranged in the small column inner chamber, the outside of described big column inner chamber is provided with annular groove, be wound with the coil windings II in the annular groove, coil windings II and coil windings I are connected in series.
In the aforesaid large travel proportional electromagnet, the integral structure that described flux sleeve is made of permeability magnetic material.
In the aforesaid large travel proportional electromagnet, the cross section of described annular groove is trapezoid groove structure, and its angle α is between 10 °-15 °.
Compared with prior art, flux sleeve of the present utility model adopts ladder cylindrical hole structure (being the small column inner chamber that arranges in the flux sleeve and the big column inner chamber that is used for installing armature), be wound with the coil windings II in the annular groove, and the coil windings I between flux sleeve and the housing is connected in series, in certain space, improved the net sectional area of coil windings, so that compact conformation, magnetic energy density is than high, stroke range is large and have a good linear displacement output characteristic, straight moving driving that can be widely used in large travel proportional displacement actuator is such as the large flow proportion valve of Direct Action Type, separate the application scenarios such as umbilical connector.
Flux sleeve of the present utility model adopts the integral structure of being made by permeability magnetic material, and to compare processing technology every traditional proportion electro-magnet of magnetic mode simple with bit copper, and cost is lower.The angle α of trapezoid groove structure can realize displacement control in the large stroke range of proportion electro-magnet between 10 °-15 ° design, and has good linear output character.
Description of drawings
Fig. 1 is structural principle schematic diagram of the present utility model;
Fig. 2 is the structure chart of flux sleeve of the present utility model;
Fig. 3 is the cross section magnetic circuit figure of the utility model axially symmetric structure.
Being labeled as in the accompanying drawing: 1-flux sleeve, 2-coil windings I, 3-coil windings II, 4-end cap, 5-push rod, 6-armature, 7-spring, 8-screw, 9-binding post, 10-housing, the 11-fairlead, 12-small column endoporus, 13-angle α, 14-annular groove, 15-big column endoporus.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described, but not as the foundation to the utility model restriction.
Embodiment.A kind of large travel proportional electromagnet, formation is shown in Fig. 1-2, comprise flux sleeve 1, coil windings I 2, coil windings II 3, end cap 4, push rod 5, armature 6, back-moving spring 7 and housing 10, described flux sleeve 1 is positioned at housing 10, described coil windings I 2 is arranged between flux sleeve 1 and the housing 10, characteristics are: the big column inner chamber 15(that is provided with small column inner chamber 12 in the described flux sleeve 1 and armature 6 be used for to be installed namely is a species stage cylindrical hole structure), armature 6 can slide at big column inner chamber 15, armature 6 is provided with the left side inner chamber relative with small column inner chamber 12, be provided with the push rod 5 with back-moving spring 7 in the inner chamber of left side, back-moving spring 7 other ends are arranged in the small column inner chamber 12, the end cap 4 that described armature 6 right sides are made by non-magnet_conductible material limits displacement, and end cap 4 is fixed on the end face of housing 10 by screw 8; The outside of described big column inner chamber 15 is provided with annular groove 14, be wound with coil windings II 3 in the annular groove 14, coil windings II 3 is connected in series with coil windings I 2, its lead-in wire is by fairlead 11 and 9 inboard connections of binding post, binding post 9 outsides are connected with control circuit, for the utility model provides electric energy, the coil windings II 3 in annular groove 14 interior spaces can improve the net sectional area of coil windings in certain space.
The integral structure that described flux sleeve 1 is made of permeability magnetic material, to compare processing technology every traditional proportion electro-magnet of magnetic mode simple with bit copper, and cost is lower.
The cross section of described annular groove 14 is trapezoid groove structure, and its angle α 13 is between 10 °-15 °.
The work magnetic circuit principle of the utility model axially symmetric structure as shown in Figure 3, specific as follows: after binding post 9 power on circuitry, coil windings I 2 and 3 actings in conjunction of coil windings II produce magnetic field, this magnetic field magnetic circuit is divided into Φ 1 and Φ 2 two parts magnetic circuits through near the time annular groove of flux sleeve 1, magnetic circuit is directly passed through by the thin-walled of flux sleeve 1, and magnetic circuit Φ 2 returns flux sleeve 1 right side after by armature 6, converges by returning flux sleeve 1 left side behind the housing 10 with magnetic circuit Φ 1 to form closure.Armature 6 produces electromagnetic force under the effect of magnetic circuit Φ 2, by the external load acting of push rod 5 outputs, and this electromagnetic force maintenance level in the 15mm stroke range.
Claims (3)
1. large travel proportional electromagnet, comprise flux sleeve (1), coil windings I (2), coil windings II (3), end cap (4), push rod (5), armature (6), back-moving spring (7) and housing (10), described flux sleeve (1) is positioned at housing (10), described coil windings I (2) is arranged between flux sleeve (1) and the housing (10), it is characterized in that: be provided with small column inner chamber (12) in the described flux sleeve (1) and the big column inner chamber (15) of armature (6) be used for to be installed, armature (6) is provided with the left side inner chamber relative with small column inner chamber (12), be provided with the push rod (5) with back-moving spring (7) in the inner chamber of left side, back-moving spring (7) other end is arranged in the small column inner chamber (12), the outside of described big column inner chamber (15) is provided with annular groove (14), be wound with coil windings II (3) in the annular groove (14), coil windings II (3) is connected in series with coil windings I (2).
2. large travel proportional electromagnet according to claim 1 is characterized in that: the integral structure that described flux sleeve (1) is made of permeability magnetic material.
3. large travel proportional electromagnet according to claim 1, it is characterized in that: the cross section of described annular groove (14) is trapezoid groove structure, its angle α (13) is between 10 °-15 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220457162 CN202720986U (en) | 2012-09-10 | 2012-09-10 | Electromagnet with large stroke ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220457162 CN202720986U (en) | 2012-09-10 | 2012-09-10 | Electromagnet with large stroke ratio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202720986U true CN202720986U (en) | 2013-02-06 |
Family
ID=47622800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220457162 Expired - Fee Related CN202720986U (en) | 2012-09-10 | 2012-09-10 | Electromagnet with large stroke ratio |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202720986U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373659A (en) * | 2014-11-04 | 2015-02-25 | 浙江大学 | Electromagnet structure for pole shoe and guide sleeve integrated valve |
| CN105889601A (en) * | 2015-01-05 | 2016-08-24 | 桑宇宏 | Powerful high-speed electromagnetic valve |
| CN106369186A (en) * | 2016-10-10 | 2017-02-01 | 合肥协力液压科技有限公司 | Maintainable electromagnetic valve |
| CN106783005A (en) * | 2017-03-16 | 2017-05-31 | 成都大学 | One kind becomes sideshake proportion electro-magnet |
-
2012
- 2012-09-10 CN CN 201220457162 patent/CN202720986U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373659A (en) * | 2014-11-04 | 2015-02-25 | 浙江大学 | Electromagnet structure for pole shoe and guide sleeve integrated valve |
| CN105889601A (en) * | 2015-01-05 | 2016-08-24 | 桑宇宏 | Powerful high-speed electromagnetic valve |
| CN106369186A (en) * | 2016-10-10 | 2017-02-01 | 合肥协力液压科技有限公司 | Maintainable electromagnetic valve |
| CN106783005A (en) * | 2017-03-16 | 2017-05-31 | 成都大学 | One kind becomes sideshake proportion electro-magnet |
| CN106783005B (en) * | 2017-03-16 | 2018-05-01 | 成都大学 | One kind becomes sideshake proportion electro-magnet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20130910 |