CN205911231U - Vacuum circuit breaker permanent magnet operating mechanism that separating brake confining force can be regulated and control - Google Patents
Vacuum circuit breaker permanent magnet operating mechanism that separating brake confining force can be regulated and control Download PDFInfo
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- CN205911231U CN205911231U CN201620665134.XU CN201620665134U CN205911231U CN 205911231 U CN205911231 U CN 205911231U CN 201620665134 U CN201620665134 U CN 201620665134U CN 205911231 U CN205911231 U CN 205911231U
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- yoke
- permanent magnet
- magnet
- coil
- circuit breaker
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides a vacuum circuit breaker permanent magnet operating mechanism that separating brake confining force can be regulated and control, including the drum yoke, the upper and lower both ends of drum yoke are located respectively to upper and lower yoke, form the enclosure space, the actuating lever passes upper and lower yoke and is fixed in the center of drum yoke, it all locates in the enclosure space to move iron core, inner magnet yoke, permanent magnet, coil, coil skeleton, moving iron core nestification upper segment outside in the actuating lever, moving the outer coaxial cylindric inner magnet yoke that is equipped with of iron core, hug closely the outer coaxial permanent magnet that is provided with of inner magnet yoke, the permanent magnet outside is hugged closely with drum yoke inner wall, coil skeleton locates between lower yoke and the inner magnet yoke, and coil winding is on coil skeleton. The utility model discloses simple structure, small, the consumptive material is little, and the commonality is strong, and the cost is reduced has improved material utilization rate, having concentrated magnetic field loop, having compared permanent magnet quantity used under the prerequisite that produces equal big or small confining force with traditional mechanism still less, the reliability is higher, has improved the utilization ratio of mechanism's permanent magnet.
Description
Technical field
This utility model is related to a kind of high and low pressure vacuum electric switch accessory, more particularly, to a kind of bi-stable permanent magnetism operating
Mechanism, belongs to technical field of electric appliances.
Background technology
Traditional vacuum breaker operation mechanism has electromagnetic operating mechanism and spring operating mechanism.The letter of electromagnetic operating mechanism structure
Single, but divide-shut brake coil power consumption is larger；Although spring operating mechanism does not need large power supply, its complex structure,
Parts are many, relatively costly and reliability is relatively difficult to ensure card.
Although electromagnetic operating mechanism and spring operating mechanism have been significantly improved and have developed, but still vacuum can not be met
The needs that chopper constantly develops to high voltage, Large Copacity, high reliability, non-maintaining and intellectualized operation direction.And in recent years
The permanent-magnet manipulating mechanism receiving much concern, then can meet the requirement of vacuum circuit breaker well.Permanent magnet mechanism adopts a kind of brand-new
Structure and operation principle, are kept using permanent magnetism, Electronic Control realizes function, and power producing characteristics and circuit breaker load characteristic coordinate good
Good.The structure of permanent magnet mechanism is simple, parts are few, and operation lifetime is long, has extreme high reliability, can achieve non-maintaining fortune
OK.Meanwhile, permanent magnet mechanism action dispersibility is little, using Electronic Control, can realize intellectualized operation to a certain extent.
The current permanent magnet mechanism design overwhelming majority for a certain switching requirements accordingly, main cause can only be once
After the completion of permanent magnet mechanism design, the retentivity in sub-gate position and closing position for the dynamic iron core determines, is difficult to adjustment.Lead to answering of mechanism
Use narrow range.Different switches need to be equipped with special permanent magnet mechanism, and stock utilization is low, high cost.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of permanent magnet mechanism going for multiple switching requirements.
In order to solve above-mentioned technical problem, the technical solution of the utility model is to provide a kind of separating brake retentivity regulatable
Vacuum circuit breaker permanent-magnet operating mechanism it is characterised in that: include cylinder yoke, upper magnet yoke, lower yoke are respectively arranged on cylinder yoke
Upper/lower terminal, formed closing space；Drive rod passes through upper magnet yoke, lower yoke and is fixed on the center of cylinder yoke；
Dynamic iron core, inner yoke, permanent magnet, coil, coil rack are all in described closing space；Dynamic iron core is nested in drive
Outside epimere in lever, outside dynamic iron core, it is coaxially provided with cylindric inner yoke, be close to outside inner yoke be coaxially arranged with permanent magnet, permanent magnetism
It is close to cylinder yoke inwall outside ferrum；, between lower yoke and inner yoke, coil winding is on coil rack for coil rack.
Preferably, described dynamic iron core adopts two-part structure, is connected by upper end and lower end and forms, lower end external diameter is little
In upper end, upper end upper surface is on-plane surface, and upper end head surface outer is provided with the outer flange of the adjustable ring-type of width.
Preferably, described inner yoke is cylinder-like structure, and inner yoke outer surface upper and lower side is separately provided for fixing forever
Magnet simultaneously reduces the lateral flange of leakage magnetic flux.
Preferably, described permanent magnet, cylinder yoke, upper magnet yoke, lower yoke, inner yoke collectively constitute magnetic flux path.
Preferably, described coil shares coil for divide-shut brake.
Preferably, by adjusting the width of the described outer flange in dynamic iron core, and what changing mechanism divide-shut brake position provided
Retentivity.
This utility model provides a kind of regulatable vacuum circuit breaker permanent-magnet operating mechanism of separating brake retentivity, mechanism's division
The retentivity that lock position provides can be changed by adjusting the width of dynamic iron core upper surface outer flange, change scope and can reach 1
～2 times (maximum retentivity/minimum retentivity), substantially increases the range of application of mechanism.Inner yoke in permanent-magnet manipulating mechanism
Outer surface is designed with lateral flange up and down, permanent magnet of both can preferably having fitted, and is fixedly secured, can concentrate magnetic again
Road, reduces mechanism's leakage magnetic flux, improves the service efficiency of permanent magnet.And the divide-shut brake coil of mechanism shares so that zero, mechanism
Part reduces, volume-diminished, and power consumption reduces.
The mechanism that this utility model provides overcomes the deficiencies in the prior art, and structure is simple, small volume, and consumptive material is little, general
Property strong, reduce cost, improve stock utilization；Concentrate field circuit so that mechanism compares generation with traditional mechanism
On the premise of equal size retentivity, permanent magnet quantity used is less, and reliability is higher, improves the utilization of mechanism's permanent magnet
Rate.
Brief description
The three-dimensional signal of the regulatable vacuum circuit breaker permanent-magnet operating mechanism of separating brake retentivity that Fig. 1 provides for the present embodiment
Figure；
The separating brake retentivity regulatable vacuum circuit breaker permanent-magnet operating mechanism sectional view that Fig. 2 provides for the present embodiment；
Fig. 3 is dynamic iron core schematic perspective view；
Fig. 4 is dynamic iron core sectional view；
Fig. 5 is inner yoke schematic perspective view；
Fig. 6 is inner yoke sectional view.
Specific embodiment
With reference to specific embodiment, this utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Utility model rather than restriction scope of the present utility model.In addition, it is to be understood that in the content having read this utility model instruction
Afterwards, those skilled in the art can make various changes or modifications to this utility model, and these equivalent form of values equally fall within this Shen
Please appended claims limited range.
Fig. 1 and Fig. 2 is respectively the regulatable vacuum circuit breaker permanent-magnet operating mechanism of separating brake retentivity that the present embodiment provides
Schematic perspective view and sectional view, the described regulatable vacuum circuit breaker permanent-magnet operating mechanism of separating brake retentivity by drive rod 1, on
Yoke 2, dynamic iron core 3, inner yoke 4, permanent magnet 5, coil 6, cylinder yoke 7, coil rack 8, lower yoke 9 etc. form.
Wherein, dynamic iron core 3 is nested in outside epimere in drive rod 1, is coaxially arranged with cylindric inner yoke 4 outside dynamic iron core 3,
It is close to be coaxially arranged with permanent magnet 5 outside inner yoke 4, be close to outside permanent magnet 5 be coaxially arranged with cylinder yoke 7.Cylinder yoke 7 is
Mechanism provides the Magnetic Field Source of retentivity, and cylinder yoke 7 is cylindrical, and upper magnet yoke 2, lower yoke 9 form closing space, by dynamic ferrum
Core 3, inner yoke 4, permanent magnet 5 are closed.There is hole, drive rod 1 extends there through in the middle of upper magnet yoke 2, lower yoke 9.
Coil rack 8 is arranged between lower yoke 9 and inner yoke 4, and coil 6 is wound on coil rack 8, and this coil 6 belongs to
Divide-shut brake coil, substantially reduces the volume of mechanism.
In conjunction with Fig. 3 and Fig. 4, iron core 3 be designed with two-part structure, lower end 32 external diameter is less than upper end 31, upper end
31 upper surfaces are on-plane surface, are provided with the outer flange 30 of the adjustable ring-type of width in upper end 31 surface outer, in order to control
Magnetic circuit processed, and then the retentivity of governor motion.
Outer flange 30 structure can carry out different structures according to different use occasions and different use requirements and set
Meter, and then produce different field circuits and static retention forces.
In conjunction with Fig. 5 and Fig. 6, inner yoke 4 adopts cylinder-like structure, and inner yoke 4 outer surface upper and lower side is respectively arranged with laterally
Flange 41, in order to fixing permanent magnet 5 and reduce leakage magnetic flux, improves the utilization ratio of permanent magnet 5.
Permanent magnet 5, cylinder yoke 7, upper magnet yoke 2, lower yoke 9, inner yoke 4 collectively constitute magnetic flux path.
Dynamic iron core 3 and the construction featuress of inner yoke 4, are conducive to mechanism controls and concentrate permanent magnet field, reduce mechanism quiet
Leakage magnetic flux when state keeps, greatly enhances the utilization rate of mechanism's permanent magnet；And the divide-shut brake coil of mechanism shares,
Mechanism's parts are reduced, power consumption reduces.Mechanism reliability is high, the mechanical characteristic excellent fit with mesohigh breaker body
Close.
In the present embodiment, the width of outer flange 30 can change in the range of 1～8mm so that sub-gate position static retention forces
Can between 400～800n controllable variations.When outer flange height be 2mm, width be 1mm when, separating brake retentivity is about 400n；
When outer flange height be 2mm, width be 2mm when, separating brake retentivity is about 500n；When outer flange height is that 2mm, width are
During 3mm, separating brake retentivity is about 600n；When outer flange height be 2mm, width be 8mm when, separating brake retentivity is about 800n.
Present embodiments provide a kind of regulatable vacuum circuit breaker permanent-magnet operating mechanism of separating brake retentivity, mechanism's divide-shut brake
The retentivity that position provides can be changed by adjusting the width of dynamic iron core upper surface outer flange, change scope and can reach 1～2
Again (maximum retentivity/minimum retentivity), substantially increase the range of application of mechanism.Inner yoke appearance in permanent-magnet manipulating mechanism
Face is designed with lateral flange up and down, permanent magnet of both can preferably having fitted, and is fixedly secured, can concentrate magnetic circuit again, subtract
Few mechanism leakage magnetic flux, improves the service efficiency of permanent magnet.
Claims (5)
1. a kind of regulatable vacuum circuit breaker permanent-magnet operating mechanism of separating brake retentivity it is characterised in that: include cylinder yoke
(7), upper magnet yoke (2), lower yoke (9) are respectively arranged on the upper/lower terminal of cylinder yoke (7), form closing space；Drive rod (1)
Through upper magnet yoke (2), lower yoke (9) and be fixed on the center of cylinder yoke (7)；
Dynamic iron core (3), inner yoke (4), permanent magnet (5), coil (6), coil rack (8) are all in described closing space；Dynamic
Iron core (3) is nested in outside epimere in drive rod (1), is coaxially provided with cylindric inner yoke (4), is close to interior magnetic outside dynamic iron core (3)
It is coaxially arranged with permanent magnet (5) outside yoke (4), be close to cylinder yoke (7) inwall outside permanent magnet (5)；Coil rack (8) located at
Between lower yoke (9) and inner yoke (4), coil (6) is wound on coil rack (8).
2. the regulatable vacuum circuit breaker permanent-magnet operating mechanism of a kind of separating brake retentivity as claimed in claim 1, its feature exists
In: described dynamic iron core (3) adopts two-part structure, is connected by upper end (31) and lower end (32) and forms, lower end (32) is outward
Footpath is less than upper end (31), and upper end (31) upper surface is on-plane surface, and it is adjustable that upper end (31) surface outer is provided with width
The outer flange (30) of ring-type.
3. the regulatable vacuum circuit breaker permanent-magnet operating mechanism of a kind of separating brake retentivity as claimed in claim 1, its feature exists
In: described inner yoke (4) is cylinder-like structure, and inner yoke (4) outer surface upper and lower side is separately provided for fixing permanent magnet (5)
And reduce the lateral flange (41) of leakage magnetic flux.
4. the regulatable vacuum circuit breaker permanent-magnet operating mechanism of a kind of separating brake retentivity as claimed in claim 1, its feature exists
In: described permanent magnet (5), cylinder yoke (7), upper magnet yoke (2), lower yoke (9), inner yoke (4) collectively constitute magnetic flux path.
5. the regulatable vacuum circuit breaker permanent-magnet operating mechanism of a kind of separating brake retentivity as claimed in claim 1, its feature exists
In: described coil (6) shares coil for divide-shut brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620665134.XU CN205911231U (en) | 2016-06-29 | 2016-06-29 | Vacuum circuit breaker permanent magnet operating mechanism that separating brake confining force can be regulated and control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620665134.XU CN205911231U (en) | 2016-06-29 | 2016-06-29 | Vacuum circuit breaker permanent magnet operating mechanism that separating brake confining force can be regulated and control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205911231U true CN205911231U (en) | 2017-01-25 |
Family
ID=57812500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620665134.XU Withdrawn - After Issue CN205911231U (en) | 2016-06-29 | 2016-06-29 | Vacuum circuit breaker permanent magnet operating mechanism that separating brake confining force can be regulated and control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205911231U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105931918A (en) * | 2016-06-29 | 2016-09-07 | 正泰电气股份有限公司 | Vacuum circuit breaker permanent-magnetic actuator with tunable breaking retentivity |
-
2016
- 2016-06-29 CN CN201620665134.XU patent/CN205911231U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105931918A (en) * | 2016-06-29 | 2016-09-07 | 正泰电气股份有限公司 | Vacuum circuit breaker permanent-magnetic actuator with tunable breaking retentivity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170125 Effective date of abandoning: 20181130 |
|
| AV01 | Patent right actively abandoned |