CN107578949A - A kind of vacuum circuit breaker permanent magnetic mechanism - Google Patents
A kind of vacuum circuit breaker permanent magnetic mechanism Download PDFInfo
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- CN107578949A CN107578949A CN201710875887.2A CN201710875887A CN107578949A CN 107578949 A CN107578949 A CN 107578949A CN 201710875887 A CN201710875887 A CN 201710875887A CN 107578949 A CN107578949 A CN 107578949A
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- yoke
- iron core
- axis
- guide
- dynamic iron
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a kind of vacuum circuit breaker permanent magnetic mechanism, including moving armature, permanent magnet and cylindrical yoke group, the moving armature includes the axis of guide and dynamic iron core, the axis of guide runs through dynamic iron core, the yoke group includes upper magnet yoke, inner yoke, outer yoke and lower yoke, the inner yoke is structure as a whole with outer yoke, and inner yoke has boss, and the permanent magnet is placed between boss and outer yoke；The axis of guide carries adjustable position, and upper magnet yoke carries graduation mark；The axis of guide is interference fitted with dynamic iron core, and the axis of guide is rotatable, and drives dynamic iron core to rotate.By the axis of guide with adjustable position and the upper magnet yoke with graduation mark, during the axis of guide drives dynamic iron core to rotate, to realize the accurate adjustment of confining force, reach simple in construction, convenient disassembly, can accurately adjust the effect of confining force at any time.
Description
Technical field
The present invention relates to vacuum circuit breaker field, particularly a kind of vacuum circuit breaker permanent magnetic mechanism.
Background technology
The permanent-magnet manipulating mechanism of vacuum circuit breaker, it is embedded in permanent magnet mechanism using permanent magnet, is come by the size of permanent magnetic field
Ensureing the action parameter of vacuum circuit breaker, but adjust permanent magnetic field size, the permanent magnet that can only lean in mechanism for assembling-disassembling again ensures,
Such a method is bothersome, laborious, and the numerical value adjusted is not accurate enough, generally requires to adjust repeatedly.
The content of the invention
It is an object of the invention to provide a kind of permanent magnet mechanism for adjusting confining force, pass through the guiding of rotary permanent-magnet mechanism
Axle, to complete the adjustment of confining force, convenient disassembly simple in construction so as to reach, the effect of confining force can be accurately adjusted at any time.
To realize this purpose, there is provided following technical scheme：
A kind of vacuum circuit breaker permanent magnetic mechanism, including moving armature, permanent magnet and cylindrical yoke group, the moving armature include
The axis of guide and dynamic iron core, the axis of guide run through dynamic iron core, and the yoke group includes upper magnet yoke, inner yoke, outer yoke and lower magnetic
Yoke, the inner yoke are structure as a whole with outer yoke, and inner yoke has boss, and the permanent magnet is placed between boss and outer yoke；
The axis of guide carries adjustable position, and upper magnet yoke carries graduation mark；
The axis of guide is interference fitted with dynamic iron core, and the axis of guide is rotatable, and drives dynamic iron core to rotate.
Preferably, described upper magnet yoke is fixed by screws in outer yoke with lower yoke.
Preferably, the upper magnet yoke is fixed in outer yoke by six screws, six 60 degree of two twenty percents of screw, and is located at
On same circle；Lower yoke is fixed in outer yoke by six screws, and distribution situation is identical with six screws of upper magnet yoke.
Preferably, described dynamic iron core includes top and bottom, and upper end is interference fitted with the axis of guide, and lower end is with being oriented between centers
Gap coordinates, and dynamic iron core is equidistantly provided with six clearance grooves.
Preferably, during combined floodgate, permanent magnet, inner yoke, dynamic iron core, lower yoke, outer yoke form magnetic conductive loop, realize and close a floodgate
Position is kept；During separating brake, magnetic conductive loop is formed by permanent magnet, outer yoke, upper magnet yoke, dynamic iron core, inner yoke, realizes sub-gate position
Put holding.
Preferably, during closing position, confining force calculation formula is that F=10-6 × B × H × S/8 π, F is confining force, and B is magnetic
Field and the magnetic induction intensity at permeability magnetic material acting surface, H are magnetic field and the magnetic field intensity at permeability magnetic material acting surface, and S is magnetic field
With the area of permeability magnetic material acting surface.
Beneficial effects of the present invention are：By the axis of guide with adjustable position and the upper magnet yoke with graduation mark,
During the axis of guide drives dynamic iron core rotation, to realize the accurate adjustment of confining force, reach simple in construction, convenient disassembly, with
When can accurately adjust the effect of confining force.
Brief description of the drawings
Fig. 1 is this permanent magnet mechanism semi-cutaway；
Fig. 2 is this permanent magnet mechanism top view；
Fig. 3 is moving armature structural representation；
Fig. 4 is inside and outside magnetic yoke structure schematic diagram.
Embodiment
It is this permanent magnet mechanism semi-cutaway as shown in Figure 1, including moving armature 100, permanent magnet 300 and cylindrical yoke group 200,
Moving armature 300 includes the axis of guide 101 and dynamic iron core 102, and the axis of guide 101 runs through dynamic iron core 102, and yoke group 200 includes upper magnet yoke
201st, inner yoke 203, outer yoke 202 and lower yoke 204, inner yoke 203 are structure as a whole (as shown in Figure 4) with outer yoke 202,
Inner yoke 203 has boss, and permanent magnet 300 is placed between boss and outer yoke 202, permanent magnet 300, interior when permanent magnet mechanism closes a floodgate
Yoke 203, dynamic iron core 102, lower yoke 204, outer yoke 202 form magnetic conductive loop, realize that closing position is kept；During separating brake, lead to
Cross permanent magnet 300, outer yoke 202, upper magnet yoke 201, dynamic iron core 102, inner yoke 203 and form magnetic conductive loop, realize open position
Keep.During closing position, confining force calculation formula is that F=10-6 × B × H × S/8 π, F is confining force, and B is magnetic field and magnetic conduction material
Expect the magnetic induction intensity at acting surface, H is magnetic field and the magnetic field intensity at permeability magnetic material acting surface, and S is magnetic field and permeability magnetic material
The area of acting surface.
Wherein, the axis of guide 101 carries adjustable position, and upper magnet yoke 201 carries graduation mark, the axis of guide 101 and dynamic iron core 102
Interference fit, the axis of guide 101 is rotatable, and it is different from inner yoke 203 by changing dynamic iron core 102 to drive dynamic iron core 102 to rotate
Contact position, to change the area i.e. S of magnetic field and permeability magnetic material effect, and by the pointer on the axis of guide 101, with upper magnet yoke
201 graduation mark, it can clearly distinguish the position and direction of adjustment.
Wherein, upper magnet yoke 201 as shown in Figure 2 is fixed by screws in outer yoke 202 with lower yoke 204.Upper magnet yoke 201
It is fixed on by six one-level screws 401 in outer yoke 202, six 401 liang of one-level screw, 60 degree of twenty percents, and is located at same circle
On；Lower yoke is fixed in outer yoke 202 by six two level screws 402, distribution situation and six one-level spiral shells of upper magnet yoke 201
It is identical to follow closely 401.
Wherein, dynamic iron core 102 as shown in Figure 3 includes upper end 111 and lower end 110, and upper end 111 is matched somebody with somebody with the interference of the axis of guide 102
Close, lower end 110 coordinates with the gap of the axis of guide 102, and dynamic iron core 102 is equidistantly provided with six clearance grooves 112.
The preferred embodiment of this patent is the foregoing is only, is not limited to this patent, for the skill of this area
For art personnel, this patent can have various modifications and variations.It is all within the spirit and principle of this patent, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included within the protection domain of this patent.
Claims (6)
1. a kind of vacuum circuit breaker permanent magnetic mechanism, it is characterised in that described including moving armature, permanent magnet and cylindrical yoke group
Moving armature includes the axis of guide and dynamic iron core, and the axis of guide runs through dynamic iron core, and the yoke group includes upper magnet yoke, inner yoke, outer
Yoke and lower yoke, the inner yoke are structure as a whole with outer yoke, and inner yoke has a boss, the permanent magnet be placed in boss with it is outer
Between yoke；
The axis of guide carries adjustable position, and upper magnet yoke carries graduation mark；
The axis of guide is interference fitted with dynamic iron core, and the axis of guide is rotatable, and drives dynamic iron core to rotate.
2. a kind of vacuum circuit breaker permanent magnetic mechanism according to claim 1, it is characterised in that described upper magnet yoke and lower magnetic
Yoke is fixed by screws in outer yoke.
3. a kind of vacuum circuit breaker permanent magnetic mechanism according to claim 2, it is characterised in that the upper magnet yoke passes through six
Screw is fixed in outer yoke, six 60 degree of two twenty percents of screw, and on same circle；Lower yoke is fixed by six screws
In outer yoke, distribution situation is identical with six screws of upper magnet yoke.
4. a kind of vacuum circuit breaker permanent magnetic mechanism according to claim 1, it is characterised in that described dynamic iron core includes upper
End and lower end, upper end are interference fitted with the axis of guide, and lower end coordinates with being oriented to shaft clearance, and dynamic iron core is equidistantly provided with six clearance grooves.
A kind of 5. vacuum circuit breaker permanent magnetic mechanism according to claim 1, it is characterised in that during combined floodgate, permanent magnet, interior magnetic
Yoke, dynamic iron core, lower yoke, outer yoke form magnetic conductive loop, realize that closing position is kept；During separating brake, pass through permanent magnet, outer magnetic
Yoke, upper magnet yoke, dynamic iron core, inner yoke form magnetic conductive loop, realize that open position is kept.
A kind of 6. vacuum circuit breaker permanent magnetic mechanism according to claim 5, it is characterised in that during closing position, confining force
Calculation formula is that F=10-6 × B × H × S/8 π, F is confining force, and B is that magnetic field and the magnetic induction at permeability magnetic material acting surface are strong
Degree, H are magnetic field and the magnetic field intensity at permeability magnetic material acting surface, and S is magnetic field and the area of permeability magnetic material acting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710875887.2A CN107578949A (en) | 2017-09-26 | 2017-09-26 | A kind of vacuum circuit breaker permanent magnetic mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710875887.2A CN107578949A (en) | 2017-09-26 | 2017-09-26 | A kind of vacuum circuit breaker permanent magnetic mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107578949A true CN107578949A (en) | 2018-01-12 |
Family
ID=61039647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710875887.2A Pending CN107578949A (en) | 2017-09-26 | 2017-09-26 | A kind of vacuum circuit breaker permanent magnetic mechanism |
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| Country | Link |
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| CN (1) | CN107578949A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2840291Y (en) * | 2005-10-31 | 2006-11-22 | 李青 | Permanent magnetic operating mechanism |
| CN2847514Y (en) * | 2005-04-18 | 2006-12-13 | 吉林永大集团有限公司 | Permanent magnet mechanism with adjustable sucking surface air slot |
| CN201387819Y (en) * | 2009-03-27 | 2010-01-20 | 李相权 | Permanent magnetic operating mechanism of electric switch |
| CN101882510A (en) * | 2010-06-03 | 2010-11-10 | 句容富达电气科技有限公司 | Low energy-consumption driver with adjustable output power |
| CN201725698U (en) * | 2010-07-23 | 2011-01-26 | 吉林永大电气开关有限公司 | Permanent magnetic actuator |
| CN201936758U (en) * | 2010-12-30 | 2011-08-17 | 张立成 | Device for keeping magnetic force |
| CN202008946U (en) * | 2011-04-27 | 2011-10-12 | 许继集团有限公司 | Double-air-gap permanent magnetic operation mechanism for high-voltage switch |
| CN103295805A (en) * | 2012-02-29 | 2013-09-11 | 吉林永大电气开关有限公司 | Permanent-magnet operating mechanism with auxiliary electromagnetic circuit |
| CN104409236A (en) * | 2014-05-15 | 2015-03-11 | 苏艳刚 | A retaining force adjustable parallel permanent magnetic actuator |
| CN207282397U (en) * | 2017-09-26 | 2018-04-27 | 日新恒通电气有限公司 | A kind of vacuum circuit breaker permanent magnetic mechanism |
-
2017
- 2017-09-26 CN CN201710875887.2A patent/CN107578949A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2847514Y (en) * | 2005-04-18 | 2006-12-13 | 吉林永大集团有限公司 | Permanent magnet mechanism with adjustable sucking surface air slot |
| CN2840291Y (en) * | 2005-10-31 | 2006-11-22 | 李青 | Permanent magnetic operating mechanism |
| CN201387819Y (en) * | 2009-03-27 | 2010-01-20 | 李相权 | Permanent magnetic operating mechanism of electric switch |
| CN101882510A (en) * | 2010-06-03 | 2010-11-10 | 句容富达电气科技有限公司 | Low energy-consumption driver with adjustable output power |
| CN201725698U (en) * | 2010-07-23 | 2011-01-26 | 吉林永大电气开关有限公司 | Permanent magnetic actuator |
| CN201936758U (en) * | 2010-12-30 | 2011-08-17 | 张立成 | Device for keeping magnetic force |
| CN202008946U (en) * | 2011-04-27 | 2011-10-12 | 许继集团有限公司 | Double-air-gap permanent magnetic operation mechanism for high-voltage switch |
| CN103295805A (en) * | 2012-02-29 | 2013-09-11 | 吉林永大电气开关有限公司 | Permanent-magnet operating mechanism with auxiliary electromagnetic circuit |
| CN104409236A (en) * | 2014-05-15 | 2015-03-11 | 苏艳刚 | A retaining force adjustable parallel permanent magnetic actuator |
| CN207282397U (en) * | 2017-09-26 | 2018-04-27 | 日新恒通电气有限公司 | A kind of vacuum circuit breaker permanent magnetic mechanism |
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Application publication date: 20180112 |