CN1416151A - Permanent magnet executor - Google Patents
Permanent magnet executor Download PDFInfo
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- CN1416151A CN1416151A CN 02145538 CN02145538A CN1416151A CN 1416151 A CN1416151 A CN 1416151A CN 02145538 CN02145538 CN 02145538 CN 02145538 A CN02145538 A CN 02145538A CN 1416151 A CN1416151 A CN 1416151A
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- end cover
- armature
- permanent
- bottom end
- magnet
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Abstract
The operating and driving mechanism applied to the driving mechanism in the breaker and switch disconnector etc. equipment includes following structure. The armature is fixed on the driving rod. The coil for detaching breaker (some time it can be left out), the permanent magnet, the pole shoes, the closing coil and the static iron core are set up around the circumference of the armature. The upper and the lower ends of the driving rod pass through the upper and the lower axial sleeves, which are inserted into the top end cover and the bottom end cover. There is the asistance mat slice on the bottom end cover. The top end cover is in the basin-typed structure. The static iron core, the top and the bottom end covers as well as the pole shoes can be made as the integrated piece.
Description
One, affiliated technical field
The invention belongs to the mesolow field of switches, relate to a kind of permanent-magnet manipulating mechanism that is applied to mesolow switches such as circuit breaker, on-load switch.
Two, background technology
In the mesolow field of switches, generally adopt two kinds of switch operating mechanisms now.A kind of is spring energy-storage formula operating mechanism, and another kind is an electromagnetic operating mechanism.The former in actual use because complex structure, action component is many, the energy storage noise is big, the manufacturing technique requirent height, factor such as global reliability is low makes part breaking, corrosion, out of stock, clamping stagnation etc. cause the situation of switch tripping to happen occasionally.And the latter, though structure is simple, still have failure rate higher take off, locker, and require to have bigger operating work.Though existing permanent-magnet operating mechanism can address the above problem well, the some phenomena of closing a floodgate and putting in place not to the utmost appears often.
Three, summary of the invention
Defective or deficiency at above-mentioned prior art exists the objective of the invention is to, and a kind of permanent-magnet manipulating mechanism efficiently that has is provided, and this permanent-magnet manipulating mechanism only constitutes (not containing standard component) with tens parts.Adopt Electromagnetic Drive, the bistable state principle that permanent magnetism keeps, and utilize the basin pyramidal structure, the permanent magnet layout of biasing and the upper and lower side iron covering of different-thickness have realized that operating mechanism cooperates with the ideal of the dynamic pull characteristics of switch.
To achieve these goals, the technical solution used in the present invention is, this permanent magnet mechanism, comprise: a drive link, drive link is provided with an armature, is respectively arranged with switching winding, permanent magnet, pole shoe, closing coil and fixed core around the armature, at the Lower shaft sleeve on two ends are passed through up and down of drive link, this axle sleeve correspondence is embedded in a upper end cover and a bottom end cover, and an auxiliary spacer is arranged on the bottom end cover.The characteristics of this mechanism are that upper and lower end cap all can be bathtub construction, and the basin inner bevel is identical with the angle of taper of armature.
Some other characteristics of the present invention are that angle of taper can be chosen to 90 ° from 0 ° in the basin of described upper end cover.
Can there be the structure of thickening degree the outer of described upper end cover and bottom end cover bathtub construction, and the thickness of bottom end cover is thin than upper end cover, and its bottom end cover also can be a bathtub construction, and the basin inner bevel is identical with the angle of taper of armature, can choose to 90 ° from 0 °.
Described pole shoe is positioned at the part on the lower side of general construction, closely is connected by screw between fixed core and upper and lower end cap and pole shoe.
Described armature is upper conical, and its tapering is with upward the basin tapering is identical accordingly; Armature also can have inferior pyramidal simultaneously, and the following cone angle of armature is identical with following basin inner bevel angle.
Described closing coil is near upper end cover, and switching winding is near bottom end cover, and coil can adopt copper cash or aluminum steel coiled.
Described switching winding can remove in some occasion.Only in former closing coil, pass to the electric current of different directions, close, divide action thereby finish.Belong to single coil structure.
Described drive link, Upper shaft sleeve, Lower shaft sleeve, the pad that is fixed on the armature is non-strong permeability magnetic material.
Described permanent magnet is novel high energy product permanent magnet.
Permanent-magnet manipulating mechanism of the present invention can made column structure or cube structure etc. in shape.When adopting cube structure, upper and lower end cap and subsidiary basin and fixed core are integral, armature is the side's of being body also.The course of work and the principle of two kinds of structures are identical.
The present invention is as the contact driving mechanism of switch, and it has simple in structure, and reliable in action is good with switch matching performance (mechanics), energy storage noiselessness, many premium properties such as operating work is less and non-maintaining.
Four, description of drawings
Fig. 1 is first kind of structural representation of the present invention, is embodiments of the invention 1;
Fig. 2 is second kind of structural representation of the present invention, is embodiments of the invention 2;
Fig. 3 is the third structural representation of the present invention, is embodiments of the invention 3;
Fig. 4 is the 4th a kind of structural representation of the present invention, is embodiments of the invention 4.
Five, embodiment
For a more clear understanding of the present invention, the present invention is described in further detail for the embodiment that finishes below in conjunction with accompanying drawing and inventor and the operating principle of permanent magnet mechanism thereof.
Embodiment 1:
Referring to Fig. 1, Fig. 1 is first kind of structural representation of the present invention.
According to technical scheme of the present invention, this permanent magnet mechanism, comprise: a drive link 7, drive link is provided with an armature 12, is respectively arranged with switching winding 4, permanent magnet 9, pole shoe 10, closing coil 2 and fixed core 3 around the armature 12, at the Lower shaft sleeve 11,6 on two ends are passed through up and down of drive link 7, upper and lower axle sleeve correspondence respectively is embedded on upper end cover 1 and the bottom end cover 5, one auxiliary spacer 8 is housed on the bottom end cover 5, and upper end cover 1 is a bathtub construction, and the basin inner bevel is identical with the angle of taper of armature 12.
Embodiment 2:
Fig. 2 is second kind of structural representation of the present invention.Different is that present embodiment adopts cube structure for present embodiment and embodiment 1.End cap 1,5 and attached basin shape, fixed core 3 and pole shoe 10 are made into an integral body about inciting somebody to action in cube structure, and are generically and collectively referred to as fixed core.Simultaneously, auxiliary spacer 8, armature 12 are also made corresponding square shape.All the other are with embodiment 1.
Embodiment 3:
Fig. 3 is the third structural representation of the present invention, different is for present embodiment and embodiment 1, has removed switching winding 4 around armature 12, and all the other are with embodiment 1, only rely on to pass to the electric current opposite in the closing coil 2, finish sub-switching operation with the switching current direction.But this structure can produce certain demagnetizing effect to permanent magnet, under some less demanding condition, also can reach the purpose of embodiment 1.
Embodiment 4:
Fig. 4 is the 4th a kind of structural representation of the present invention, different is for present embodiment and embodiment 3, present embodiment adopts cube structure, end cap 1,5 and attached basin shape, fixed core 3 and pole shoe 10 can be made into an integral body about inciting somebody to action in cube structure, and it is surplus with embodiment 3 to be generically and collectively referred to as fixed core, simultaneously, auxiliary spacer 8, armature 12 are also made corresponding square shape.Also can reach the purpose of embodiment 3.
Operating principle of the present invention is summarized as follows:
In the position shown in the figure 1, be in the situation of separating brake position, making current in closing coil 2, the charged generation of coil magnetic field corresponding to switch.The stationary magnetic field that this magnetic field produces original permanent magnet in the air gap of reinforcing mechanisms top.Simultaneously, also weakened the magnetic field of 5 of armature 12 and bottom end covers.When the magnetic field in the armature 12 top air gaps increased to certain value, armature 12 began to move upward.When armature 12 taperings entered in the basin of upper end cover 1, its pull characteristics were compensated, and had avoided the defective of closing a floodgate and can't put in place.Because closing position will overcome the gravity of switch contact spring pressure and drive link 7 etc.So upper end cover 1 selects thicklyer.
When in switching winding 4, passing to suitable electric current, just in time opposite with above-mentioned making process.Armature 12 will move downward.Additional force when not having above-mentioned closing position because of the separating brake position is so bottom end cover 5 selects thinlyyer.
Be unkitted in the permanent magnet mechanism of switching winding 4 at some, rely on and pass to the electric current opposite in the closing coil, finish sub-switching operation with the switching current direction.This structure can produce certain demagnetizing effect to permanent magnet.
No matter be in combined floodgate (armature is in top), or separating brake (armature is in the bottom) position, armature (being rigidly connected with drive link) all is to keep its position by the magnetic force that permanent magnet 9 produces, this just removed from failure rate higher take off the snap close mechanical device.
The present invention has then taked Electromagnetically-operating, the brand-new design theory that permanent magnetism keeps.Make mechanism very simple, moving part seldom, failure rate is extremely low.Especially adopt benzvalene form end iron and taper armature, improved the pull characteristics of mechanism greatly.This makes that adjust improper and occurrent combined floodgate incomplete phenomena because of permanent magnet mechanism is eradicated in the past.The present invention has fundamentally solved all kinds of defectives that existing other operating mechanism exists, and has also improved the various deficiencies of common permanent magnet mechanism.The present invention can be widely used in the mesolow field of switches, and also there is certain inspiration directive function in the high-voltage switch gear field with long stroke.Because production of the present invention does not need very complicated technology and special material, can produce in enormous quantities at an easy rate.
Claims (10)
1. permanent-magnet manipulating mechanism, comprise: a drive link [7], be fixed with an armature [12] on the drive link, be respectively arranged with switching winding [4], permanent magnet [9], pole shoe [10], closing coil [2] and fixed core [3] around the armature [12], pass Lower shaft sleeve [11], [6] correspondence will go up Lower shaft sleeve [11] respectively, [6] are embedded on upper end cover [1] and the bottom end cover [5] at the two ends up and down of drive link [7], one auxiliary spacer [8] is arranged on the bottom end cover [5], it is characterized in that, upper end cover [1] is a bathtub construction, and the basin inner bevel is identical with the corresponding angle of taper of armature [12].
2. permanent-magnet manipulating mechanism, comprise: a drive link [7], be fixed with an armature [12] on the drive link, be respectively arranged with permanent magnet [9], pole shoe [10], closing coil [2] and fixed core [3] around the armature [12], pass Lower shaft sleeve [11], [6] correspondence will go up Lower shaft sleeve [11] respectively, [6] are embedded on upper end cover [1] and the bottom end cover [5] at the two ends up and down of drive link [7], one auxiliary spacer [8] is arranged on the bottom end cover [5], it is characterized in that, upper end cover [1] is a bathtub construction, and the basin inner bevel is identical with the corresponding angle of taper of armature [12].
3. permanent-magnet manipulating mechanism according to claim 1 and 2 is characterized in that, the angle of taper of described upper end cover [1] and corresponding armature [12] can be chosen to 90 ° from 0 °.
4. permanent-magnet manipulating mechanism according to claim 1 and 2, it is characterized in that, can there be the structure of thickening degree the outer of the bathtub construction of described upper end cover [1] and bottom end cover [5], the thickness of bottom end cover [5] is thin than upper end cover [1], its bottom end cover [5] also can be a bathtub construction, the basin inner bevel is identical with the corresponding angle of taper of armature [12], and can choose to 90 ° from 0 °.
5. permanent-magnet manipulating mechanism according to claim 1 and 2 is characterized in that, described pole shoe [10] is positioned at the part on the lower side of general construction, closely is connected by screw between fixed core [3] and upper and lower end cap [1], [5] and pole shoe [10].
6. permanent-magnet manipulating mechanism according to claim 1 and 2 is characterized in that, described armature [12] is upper conical, and its tapering is with upward the basin internal taper is identical accordingly; Armature [12] also can have inferior pyramidal simultaneously, and the following cone angle of armature [12] is identical with following basin inner bevel angle.
7. permanent-magnet manipulating mechanism according to claim 1 is characterized in that, described closing coil [2] is near upper end cover [1], and switching winding [4] is near bottom end cover [5], and coil can adopt copper cash or aluminum steel coiled.
8. permanent-magnet manipulating mechanism according to claim 1 and 2 is characterized in that, the described drive link [7] that is fixed on the armature, and Upper shaft sleeve [11], Lower shaft sleeve [6], pad [8] is non-strong permeability magnetic material.
9. permanent magnet mechanism according to claim 1 and 2 is characterized in that, described permanent magnet [9] is novel high energy product permanent magnet.
10. permanent-magnet manipulating mechanism according to claim 1 and 2 is characterized in that, described end cap [1], [5] and fixed core [3] thereof up and down and pole shoe [10] can be made into an integral body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02145538 CN1206687C (en) | 2002-12-18 | 2002-12-18 | Permanent magnet executor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02145538 CN1206687C (en) | 2002-12-18 | 2002-12-18 | Permanent magnet executor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1416151A true CN1416151A (en) | 2003-05-07 |
| CN1206687C CN1206687C (en) | 2005-06-15 |
Family
ID=4750921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02145538 Expired - Lifetime CN1206687C (en) | 2002-12-18 | 2002-12-18 | Permanent magnet executor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1206687C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236376A (en) * | 2013-03-29 | 2013-08-07 | 厦门宏发电力电器有限公司 | Magnetic latching relay of dissymmetrical solenoid-type structure |
| CN103474287A (en) * | 2013-09-05 | 2013-12-25 | 北京交通大学 | Double-acting iron core permanent magnet operating mechanism |
| CN114017534A (en) * | 2021-11-12 | 2022-02-08 | 中国航发贵州红林航空动力控制科技有限公司 | Two-position three-way electromagnetic valve with position self-locking function |
-
2002
- 2002-12-18 CN CN 02145538 patent/CN1206687C/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236376A (en) * | 2013-03-29 | 2013-08-07 | 厦门宏发电力电器有限公司 | Magnetic latching relay of dissymmetrical solenoid-type structure |
| CN103236376B (en) * | 2013-03-29 | 2015-06-17 | 厦门宏发电力电器有限公司 | Magnetic latching relay of dissymmetrical solenoid-type structure |
| CN103474287A (en) * | 2013-09-05 | 2013-12-25 | 北京交通大学 | Double-acting iron core permanent magnet operating mechanism |
| CN103474287B (en) * | 2013-09-05 | 2015-09-30 | 北京交通大学 | Two dynamic permanent-magnet manipulating mechanism unshakable in one's determination |
| CN114017534A (en) * | 2021-11-12 | 2022-02-08 | 中国航发贵州红林航空动力控制科技有限公司 | Two-position three-way electromagnetic valve with position self-locking function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1206687C (en) | 2005-06-15 |
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Granted publication date: 20050615 |