CN202285204U - Permanent-magnet control mechanism - Google Patents
Permanent-magnet control mechanism Download PDFInfo
- Publication number
- CN202285204U CN202285204U CN2011204362910U CN201120436291U CN202285204U CN 202285204 U CN202285204 U CN 202285204U CN 2011204362910 U CN2011204362910 U CN 2011204362910U CN 201120436291 U CN201120436291 U CN 201120436291U CN 202285204 U CN202285204 U CN 202285204U
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- Prior art keywords
- iron core
- permanent
- moving
- magnet
- support
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Abstract
The utility model relates to a permanent-magnet control mechanism. The permanent-magnet control mechanism comprises a cylindrical bracket, as well as an opening polar plate and a closing polar plate which are respectively mounted at two ends of the bracket, wherein a plurality of groups of electromagnetic coils are arranged in the bracket and wound on a coil framework; a movable iron core component is also arranged in the bracket and comprises an ejector rod, an inner movable iron core mounted on the ejector rod and an outer movable iron core mounted on the inner movable iron core; and a permanent magnet is arranged between the inner movable iron core and the outer movable iron core and close to the lower end of the inner movable iron core. In the permanent-magnet control mechanism provided by the utility model, as the permanent magnet is mounted between the inner and the outer movable iron cores and on the side close to the closing polar plate, the closing retentivity is improved, reverse suction force of the movable iron cores in motion is effectively reduced, and the opening speed of a circuit breaker product is improved.
Description
Technical field
The utility model relates to a kind of permanent-magnet manipulating mechanism.
Background technology
Existing traditional permanent-magnet manipulating mechanism is highly reliable with it, long-life, advantage such as easy to control cause common concern in the industry and developed rapidly, and people have researched and developed electromagnetic operating mechanism miscellaneous.Like Chinese patent number is the utility model patent of CN200920237952.X; The day for announcing is on July 28th, 2010; Disclose a kind of permanent-magnet manipulating mechanism and included support, first static iron core, second static iron core, moving iron core, permanent magnet, guide post, magnet exciting coil, it is characterized in that: first static iron core and second static iron core are fixed in the support, and permanent magnet is between first static iron core and second static iron core; Magnet exciting coil is installed in the second static iron core outer end; Guide post passes first static iron core, second static iron core and permanent magnet middle part, and the moving iron core of the circle of sheet is fixed on guide post one end, and is positioned at the front end of the second static iron core opening air gap; Also be provided with another in moving iron core rear end and organize first static iron core, second static iron core, permanent magnet; Wherein, The second static iron core outer end is equipped with the magnetic coil of dispelling, and this is organized last group first static iron core, second static iron core, the permanent magnet that first static iron core, second static iron core, permanent magnet and guide post pass and in support, is symmetrically distributed, when the moving iron core of this kind structure moves upward; Reverse suction on the moving iron core is higher, has reduced opening velocity.
The utility model content
The utility model technical problem to be solved is to overcome the deficiency of above-mentioned prior art, and the eddy current of the moving iron core of a kind of effective reduction is provided, and reduces the moving reverse suction of iron core in motion process, cuts down the consumption of energy safe and reliable permanent-magnet manipulating mechanism.
The main technical schemes that a kind of permanent-magnet manipulating mechanism that provides according to the utility model adopts is: the separating brake pole plate and the combined floodgate pole plate that comprise cylindric support and be installed in said support two ends respectively; Be provided with the plurality of electromagnetic coil in the said support; Also be provided with moving core assembly in the said support; Be provided with permanent magnet in the said support, said permanent magnet is arranged on the said moving core assembly.
A kind of permanent-magnet manipulating mechanism that the utility model provides also can have following attached technical characterictic:
Said moving core assembly comprises push rod, the interior moving iron core on the said push rod is installed and is installed in the outer moving iron core on the said interior moving iron core; Be provided with permanent magnet between moving iron core and the said outer moving iron core in said, said permanent magnet is arranged on the lower end of said interior moving iron core.
Also be provided with the iron core lining on the said moving core assembly, said iron core lining is coated on said interior moving iron core upper end.
Be provided with the copper sheet cover in the said support, said copper sheet cover is coated on the said moving core assembly.
Be provided with static iron core in the said support, said static iron core is arranged between the said solenoid of two adjacent groups.
There is backing plate said separating brake pole plate lower end.
Moving iron core is provided with a plurality of vertical slots with outer moving on the iron core in said, and said vertical slot is evenly spaced apart along circumference.
Said support is provided with skeleton, and said solenoid is wound in the said skeleton.
The beneficial effect of a kind of permanent-magnet manipulating mechanism that employing the utility model provides is: the permanent-magnet manipulating mechanism that the utility model provides; Through permanent magnet being installed between the inside and outside moving iron core near combined floodgate pole plate one side; Effectively reduce the reverse suction of moving iron core in motion process, improved opening velocity; On inside and outside moving iron core, vertical slot is set, can effectively reduces the eddy current of moving iron core, reduced energy consumption; In addition, on moving core assembly, be coated with copper sheet, reduce the moving frictional force of iron core in motion process, safe and reliable.
Description of drawings
Fig. 1 is the structure chart of the utility model permanent-magnet manipulating mechanism.
Fig. 2 is the cutaway view of the utility model permanent-magnet manipulating mechanism.
Fig. 3 is the structure chart of moving core assembly in the utility model permanent-magnet manipulating mechanism.
Fig. 4 is the B-B cutaway view of Fig. 3.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed description:
Like Fig. 1 to shown in Figure 4, the embodiment of a kind of permanent-magnet manipulating mechanism that provides according to the utility model, the separating brake pole plate 2 and combined floodgate pole plate 3 that comprise cylindric support 1 and be installed in said support 1 two ends respectively; Be provided with plurality of electromagnetic coil 4 in the said support 1, also be provided with moving core assembly 5 and permanent magnet 54 in the said support 1, said permanent magnet 54 is arranged on the said moving core assembly 5; Said moving core assembly 5 comprises push rod 51, the interior moving iron core 52 on the said push rod 51 is installed and be installed in said in outer moving iron core 53 on the moving iron core 52, be provided with permanent magnet 54 between moving iron core 52 and the said outer moving iron core 53 in said, said permanent magnet 54 is arranged on the lower end of moving iron core 52 in said; Be responsible for respectively closing a floodgate and separating brake in the two ends up and down of the permanent-magnet manipulating mechanism of the utility model; Permanent magnet 54 is arranged between the inside and outside moving iron core near a side of combined floodgate pole plate 3, has increased the closing retention force when closing a floodgate, avoid contingent misoperation; Permanent magnet 54 adopts Nd-Fe-B permanent magnet; Permanent magnet 54 provides permanent-magnetic field, and the magnetic field that produces through external control circuit control solenoid 4 is superimposed with the magnetic field that permanent magnet 54 produces, and the work that drives moving core assembly 5 motions and accomplish circuit breaker is changed; In the separating brake process; Solenoid 4 energisings in the external control circuit control support 1, the solenoid 4 of this moment produce the magnetic field opposite with permanent magnet 54, make permanent magnet 54 servo-actuated core assemblies 5 move upward; Further reduce the reverse suction on the moving iron core, improved opening velocity.
Referring to Fig. 2 to Fig. 4, in the foregoing description that provides according to the utility model, also be provided with iron core lining 56 on the said moving core assembly 5, said iron core lining 56 be coated on said in moving iron core 52 upper ends with fixed permanent magnet.
Referring to Fig. 2 to Fig. 4; In the foregoing description that provides according to the utility model; Be provided with copper sheet cover 11 in the said support 1; Said copper sheet cover 11 is coated on the said moving core assembly 5, in support, installs copper sheet cover 11 additional so that moving core assembly 5 is played guide effect, and reduces the moving friction of iron core in motion process.
Referring to Fig. 2 to Fig. 4, in the foregoing description that provides according to the utility model, be provided with static iron core 12 in the said support 1; Said static iron core 12 is arranged between the said solenoid 4 of two adjacent groups, and moving core assembly 5 is when motion, and static iron core 12 possibly exist moving core assembly 5 is had viscous effect; Therefore; In copper sheet cover 11, add non-magnet_conductible material, prevent the viscous effect of 12 pairs of moving iron cores of annular static iron core, reduce the moving friction of iron core in motion process.
Referring to Fig. 2 to Fig. 4, in the foregoing description that provides according to the utility model, there is backing plate 6 said separating brake pole plate 2 lower ends; Backing plate 6 adopts nonmagnetic substance to process, and increases air-gap, can reduce unnecessary separating brake suction; Make combined floodgate easier, reduce the required electric current that closes a floodgate.
Referring to Fig. 2 to Fig. 4, in the foregoing description that provides according to the utility model, be provided with a plurality of vertical slots 55 on moving iron core 52 and the outer moving iron core 53 in said, said vertical slot 55 is evenly spaced apart along circumference, reduces moving iron core eddy current, improves opening velocity.
Referring to Fig. 2 to Fig. 4; In the foregoing description that provides according to the utility model; Said support 1 is provided with skeleton 13; Said solenoid 4 is wound in the said skeleton 13, through skeleton 13 solenoid 4 is fixed in the support 1, makes the action of a magnetic field that solenoid produces simultaneously on moving core assembly 5.
The structure of permanent-magnet manipulating mechanism and operation principle are technology well known in the art, and the improvement of the permanent-magnet manipulating mechanism that provides of the utility model only relates to above-mentioned parts, other parts are not changed.So this specification only details above-mentioned parts, the miscellaneous part and the operation principle of permanent-magnet manipulating mechanism repeated no more here.Those skilled in the art can realize the described permanent-magnet manipulating mechanism of the utility model on the content basis that this specification is described.
Claims (8)
1. permanent-magnet manipulating mechanism; The separating brake pole plate and the combined floodgate pole plate that comprise cylindric support and be installed in said support two ends respectively; Be provided with the plurality of electromagnetic coil in the said support; It is characterized in that: also be provided with moving core assembly in the said support, be provided with permanent magnet in the said support, said permanent magnet is arranged on the said moving core assembly.
2. a kind of permanent-magnet manipulating mechanism according to claim 1; It is characterized in that: said moving core assembly comprises push rod, the interior moving iron core on the said push rod is installed and is installed in the outer moving iron core on the said interior moving iron core; Be provided with permanent magnet between moving iron core and the said outer moving iron core in said, said permanent magnet is arranged on the lower end of said interior moving iron core.
3. a kind of permanent-magnet manipulating mechanism according to claim 2 is characterized in that: also be provided with the iron core lining on the said moving core assembly, said iron core lining is coated on said interior moving iron core upper end.
4. a kind of permanent-magnet manipulating mechanism according to claim 1 is characterized in that: be provided with the copper sheet cover in the said support, said copper sheet cover is coated on the said moving core assembly.
5. a kind of permanent-magnet manipulating mechanism according to claim 1 is characterized in that: be provided with static iron core in the said support, said static iron core is arranged between the said solenoid of two adjacent groups.
6. a kind of permanent-magnet manipulating mechanism according to claim 1 is characterized in that: said separating brake pole plate is provided with backing plate.
7. a kind of permanent-magnet manipulating mechanism according to claim 2 is characterized in that: moving iron core is provided with a plurality of vertical slots with outer moving on the iron core in said, and said vertical slot is evenly spaced apart along circumference.
8. a kind of permanent-magnet manipulating mechanism according to claim 1 is characterized in that: said support is provided with skeleton, and said solenoid is wound in the said skeleton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204362910U CN202285204U (en) | 2011-11-07 | 2011-11-07 | Permanent-magnet control mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204362910U CN202285204U (en) | 2011-11-07 | 2011-11-07 | Permanent-magnet control mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202285204U true CN202285204U (en) | 2012-06-27 |
Family
ID=46296719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204362910U Expired - Lifetime CN202285204U (en) | 2011-11-07 | 2011-11-07 | Permanent-magnet control mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202285204U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428151A (en) * | 2015-12-24 | 2016-03-23 | 东南大学 | High-voltage bistable permanent magnet actuator with permanent magnets placed in movable iron core and switching off method of high-voltage bistable permanent magnet actuator |
-
2011
- 2011-11-07 CN CN2011204362910U patent/CN202285204U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428151A (en) * | 2015-12-24 | 2016-03-23 | 东南大学 | High-voltage bistable permanent magnet actuator with permanent magnets placed in movable iron core and switching off method of high-voltage bistable permanent magnet actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120627 |