CN205656975U - A cylinder metallic glass permanent magnet synchronous linear motor operating mechanism for circuit breaker - Google Patents
A cylinder metallic glass permanent magnet synchronous linear motor operating mechanism for circuit breaker Download PDFInfo
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- CN205656975U CN205656975U CN201620452956.XU CN201620452956U CN205656975U CN 205656975 U CN205656975 U CN 205656975U CN 201620452956 U CN201620452956 U CN 201620452956U CN 205656975 U CN205656975 U CN 205656975U
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- synchronous motor
- permanent magnet
- amorphous metal
- cylindrical shape
- crystaline amorphous
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Abstract
The utility model relates to a, a cylinder metallic glass permanent magnet synchronous linear motor operating mechanism for circuit breaker, including cylinder metallic glass permanent magnetism straight line synchronous machine, motor spindle, main shaft displacement sensor, connecting rod and insulating pull rod. The utility model overcomes the volume of tradition operating mechanism is great, drive mechanism is complicated, response time is long and motion process shortcoming such as heavy handled, and is efficient, the good reliability.
Description
Technical field
This utility model belongs to power system power transmission and distribution switching technique field, relates generally to a kind of breaker operation mechanism,
Particularly relate to a kind of cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor operating mechanism for chopper.
Background technology
Under prior art, there is a lot of breaker operation mechanism system, also include various linear electric motor operation mechanism, but do not have
A efficiency comparison is high, volume is smaller, cut-off speed than very fast, cut-off that precision is high, be applicable to more multi-voltage grade, high environment
(especially high-voltage breaker operation mechanism parts are various, are susceptible to malfunction, tripping, machinery for the breaker operation mechanism required
The situations such as bite).The most under the prior art, most quality of breaker operation mechanism and the quality of service behaviour thereof affect
Accuracy that chopper cut-offs and reliability.
Additionally, existing breaker operation mechanism specifically includes that hydraulic actuating mechanism, pneumatic operating mechanism, motor actuating
Mechanism.These operating mechanisms respectively have advantage but the part that simultaneously comes with some shortcomings:
(1) hydraulic actuating mechanism is under conditions of size is certain, and the size of power output is relevant with the pressure of hydraulic oil, so
The output work that can make institutional units quality increases, smooth operation and noiseless, controls power little and facilitate, can realize exchange and grasp
Make.But the service behaviour of mechanism is affected very big by the quality of hydraulic oil, the complicated structure of hydraulic actuating mechanism own, oil circuit
The operating pressure of system is the highest, the highest to the machining accuracy of part and the seal request of pipeline, assemble, adjust and maintenance difficulty relatively
Greatly, it is unfavorable for that miniaturization and cost are the highest.
(2) pneumatic operating mechanism output easily changes, be applicable to different electric pressure and the chopper of type and
Disconnecting switch.In pneumatic operating mechanism, compressed-air actuated gas pressure is generally 0.5 ~ 2.0Mpa, far below hydraulic actuating mechanism
In oil pressure.But pneumatic operating mechanism gimp is big, needs dedicated air compressor, and application scenario is limited.
(3) electric operating mechanism is the operating mechanism utilizing motor to drive chopper to divide, close a floodgate through deceleration device.Tradition
Electric operating mechanism have two kinds of modes of operation: one is directly to drive, motor slowed down by turbine, scroll bar and gear, and
Mechanically change directly drive after motion mode contact to carry out point, closing operation, this mode of operation be only used for 126kV and with
The disconnecting switch of upper electric pressure；Another kind is that energy storage type drives, first by driven by motor flywheel or centrifugal flyball energy storage, when having
Closing a floodgate and discharge the energy in flywheel or flyball by machinery when ordering and drive breaker closing, separating brake is the most still by spring
Release energy.Although conventional motors operating mechanism simple in construction, but when having that energy storage time length, combined floodgate merit are little and unstable, close a floodgate
Between longer wait deficiency so that it is can not meet the operation requirement of Modern high-pressure chopper.Conventional motors operating mechanism is except being used for
Beyond the disconnecting switch that closing time is not strict with by operation, rated voltage is higher, it is rarely used in operating breaker, especially
It is primary cut-out.
Summary of the invention
Goal of the invention
For the problems referred to above, this utility model provides a kind of fast response time, dynamic time is short, volume is little, efficiency is high, control
Precision processed is high, and disclosure satisfy that the cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor actuating that primary cut-out accurately divides, closes a floodgate
Mechanism.
Technical scheme
A kind of cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor operating mechanism for chopper, it is characterised in that: bag
Include cylindrical shape non-crystaline amorphous metal permanent magnet linear synchronous motor, electric machine main shaft, main shaft displacement transducer, connecting rod and insulated tension pole；Connecting rod
One end is connected with the electric machine main shaft of cylinder type non-crystaline amorphous metal permanent magnet linear synchronous motor, and the connecting rod other end is connected with insulated tension pole,
Insulated tension pole is connected with arc-extinguishing chamber of circuit breaker；Main shaft displacement transducer is arranged on cylindrical shape non-crystaline amorphous metal permanent-magnet linear and synchronizes electricity
Machine transverse section is at electric machine main shaft；Being provided with moving contact and static contact in arc-chutes, static contact is fixed on upper bracket, static contact
The moving contact of lower section connects touch spring, and touch spring connects insulated tension pole.
Described cylindrical shape non-crystaline amorphous metal permanent magnet linear synchronous motor includes primary part and sub section；Primary part is by just
Level winding and primary iron core two parts composition；Sub section is made up of permeability magnetic material, secondary iron core and permanent magnet, opposed polarity
Permanent magnet is separated by permeability magnetic material, and permanent magnet is embedded in secondary iron core, and secondary iron core is formed by silicon steel plate stacking.
Primary iron core is iron-base amorphous alloy material.
Primary unshakable in one's determination without fluting.
Permanent magnet is Nd-Fe-B permanent magnet material, and is toroidal.
Permanent magnet array is Halbach array.
Connecting rod is that stainless steel material is made, and connecting rod is identical with insulated tension pole diameter, and its axle center and electrical axis are straight at one
On line.
Cylinder type non-crystaline amorphous metal permanent magnet linear synchronous motor is short secondary forms primary, long.
Advantage and effect
This utility model disclosure satisfy that primary cut-out needs fast response time, the requirement that dynamic time is short, control accuracy
Height, efficiency are high, can be widely applied to the various occasion such as indoor and outdoor, high/low temperature.
Specifically there is a following beneficial effect:
1. cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor operating mechanism only one of which moving component, simple and reliable, body
Long-pending little, it is beneficial to use in small space.
2. cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor operating mechanism system has the predetermined stroke curve of optimization,
Can accurately control.
3. cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor operating mechanism contact travel and aging and variation of ambient temperature
Unrelated.
4. cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor operating mechanism simple in construction, volume little, lightweight, at a high speed,
Efficiently, quickly response and high accuracy, energy consumption is low, reliability is high, antivibration and the little advantage that is affected by the external environment.
5. cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor operating mechanism has bigger driving force, by driving
The regulation of power supply, its control performance and positional precision are more preferable.
6. use cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor operating mechanism and be beneficial to build status monitoring function,
It is not required to additional sensor, only needs electric machine main shaft position sensor.
7. use cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor operating mechanism to set for this platform for advanced on-line checking.
8. use cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor operating mechanism can save a series of drive mechanism
(linkage, cam mechanism etc.).
9. use cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor operating mechanism energy requirement low, without high transient load.
10. cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor operating mechanism simple in construction, the division of labor of respective system is clear and definite,
Easy to implement, easily realize chopper intellectuality actuating.
11. cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor operating mechanism quality are little, and movement inertia is little, and kinetic energy subtracts significantly
Little, energy loss reduces so that major part energy has all been used on moving contact of breaker kinetic energy, improves the utilization rate of energy.
Accompanying drawing explanation
Fig. 1 is cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor operating mechanism and chopper overall structure figure.
Fig. 2 is cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor longitdinal cross-section diagram.
Fig. 3 is cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor view in transverse section.
Description of reference numerals:
1, cylindrical shape non-crystaline amorphous metal permanent magnet linear synchronous motor；2, electric machine main shaft；3, main shaft displacement transducer；4, connecting rod；
5, insulated tension pole；6, touch spring；7, moving contact；8, static contact；9, arc-chutes；10, permeability magnetic material；11, secondary iron core；12、
Armature winding；13, primary unshakable in one's determination；14, Nd-Fe-B permanent magnet；15, motor housing；16, air gap；17, electrical axis.
Detailed description of the invention
The actuating part-cylindrical non-crystaline amorphous metal permanent synchronous linear electricity of the circuit breaker system involved by this utility model
Machine operating mechanism, be used for drive moving contact of breaker complete chopper point, feed motion.
This utility model overcomes bulky, complicated mechanism, response time length and the motion of tradition operating mechanism
The shortcomings such as process is difficult to control to, have the quality of mechanism for cylindrical shape non-crystaline amorphous metal permanent magnet linear synchronous motor operating mechanism
The advantages such as little, movement inertia is little, and kinetic energy is little, and energy loss is little, improve efficiency, and reliability is preferable, have high response with high-precision
Feature and the motor process of degree are controlled.
The described cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor operating mechanism for chopper, including cylindrical shape amorphous
Alloy permanent magnet linear synchronous motor 1, electric machine main shaft 2, main shaft displacement transducer 3, connecting rod 4 and insulated tension pole 5；Connecting rod 4 one end and
The electric machine main shaft 2 of cylinder type non-crystaline amorphous metal permanent magnet linear synchronous motor 1 is connected, and connecting rod 4 other end is connected with insulated tension pole 5, absolutely
Edge pull bar 5 is connected with arc-extinguishing chamber of circuit breaker 9；Main shaft displacement transducer 3 is arranged on cylindrical shape non-crystaline amorphous metal permanent-magnet linear and synchronizes
Motor 1 transverse section, at electric machine main shaft 2, is used for detecting the stroke of moving contact of breaker 7, it is ensured that chopper can effectively divide,
Close a floodgate；Being provided with moving contact 7 and static contact 8 in arc-chutes 9, static contact 8 is fixed on upper bracket, the moving contact 7 below static contact 8
Connecting touch spring 6, touch spring 6 connects insulated tension pole 5.
One end of touch spring 6 is connected with the moving contact 7 of chopper, and touch spring 6 ensure that moving contact 7 and static contact
8 have certain contact pressure, play certain cushioning effect during the divide-shut brake of chopper simultaneously.
Moving contact 7 and static contact 8 centrage on the same axis, when chopper receives divide-shut brake signal, moving contact 7
Under the drive of electric machine main shaft 2, complete chopper point, feed motion.
Arc-chutes 9 sealing property must be good, can be that vacuum can also SF inside it6Gas.
Connecting rod 4 is stainless steel material, and connecting rod 4 is identical with insulated tension pole 5 diameter, and its axle center and electrical axis 17 are straight at one
On line.
Insulated tension pole 5 is made for quartz material, and one end is connected with pull bar 4, and the other end is connected with touch spring 6, and insulation is drawn
5 insulating effects of bar.
Described cylindrical shape non-crystaline amorphous metal permanent magnet linear synchronous motor 1 includes primary part and sub section；Primary part by
Armature winding 12 and primary 13 two parts compositions unshakable in one's determination；Not having tooth and groove, armature winding 12 on primary unshakable in one's determination 13 is polyester enamel-cover
Copper conductor, the class of insulation is B level, by the fixing encapsulation of epoxy resin casting, does not overlaps.Cylindrical shape non-crystaline amorphous metal permanent-magnet linear is same
The armature winding 12 of step motor 1 is made up of three-phase windings, is often made up of several concentratred winding coils.
Sub section is made up of permeability magnetic material 10, secondary iron core 11 and permanent magnet 14, and the permanent magnet 14 of opposed polarity passes through
Permeability magnetic material 10 separates, and permanent magnet 14 is embedded in secondary iron core 11, and secondary iron core 11 is formed by silicon steel plate stacking.
Cylinder type non-crystaline amorphous metal permanent magnet linear synchronous motor 1 is short secondary forms primary, long, and this structure can suppress laterally to imitate
Should, it is affected by the external environment little.
Electric machine main shaft 2 overcoat secondary iron core 11, the two is fixed together, and electric machine main shaft 2 is identical with connecting rod 4 diameter, adopts
With seamless welding technology together.
Primary unshakable in one's determination 13 use the iron-base amorphous alloy material with excellent specific property.It has the magnetic conductivity of excellence, corrosion resistant
Erosion property, wearability, high intensity and hardness, high resistivity and mechanical-electric coupling performance, it is possible to effectively reduce volume, improve effect
Rate, reduction loss and temperature rise, energy-saving effect is notable.
Primary unshakable in one's determination 13 without fluting, and the benefit so arranged is that winding embeds simply, copper factor is high, temperature coefficient is low, end
Portion winding reduces, without magnetic resistance resistance, thrust calculation is little, noise is low, magnetic saturation is relatively low, manufacturing process is simple.
Permanent magnet 14 is Nd-Fe-B permanent magnet material, and is toroidal, it is possible to be preferably embedded in secondary iron core 11.
Permanent magnet array is Halbach array, and it is made up of axial rings and radiation ring, can be by the magnet ring of the different direction of magnetizations
Arrange in order, make that the magnetic field of array is obviously enhanced and another side is obviously reduced, and easily to the more satisfactory sine in space
The magnetic field of distribution.
The motor housing 15 of cylindrical shape non-crystaline amorphous metal permanent magnet linear synchronous motor 1 is used for protecting Nd-Fe-B permanent magnet 14, just
Level iron core 13, armature winding 12, secondary iron core 11, permeability magnetic material 10 and electric machine main shaft 2 exempt to be affected by the external environment.
Air gap 16, between primary and secondary, is used for ensureing the property of cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor 1
Energy and operational reliability.
This utility model this cylindrical shape non-crystaline amorphous metal permanent magnet linear synchronous motor operating mechanism can apply various voltages etc.
The chopper of level, 126kV above chopper effect is more obvious.
This utility model is produced by the linear motion of cylindrical shape non-crystaline amorphous metal permanent magnet linear synchronous motor operating mechanism main shaft
Raw thrust makes primary cut-out can realize cut-offfing accurately in the moment determined, thus ensures the work of primary cut-out
Performance And Reliability.
In this utility model, cylindrical shape non-crystaline amorphous metal permanent magnet linear synchronous motor operating mechanism permanent magnet is neodymium iron boron, and it remains
Remaining magnetic induction density Br(may be up to 1.47T), magnetic induction coercivity Hc(up to 992kA/m) and maximum magnetic energy product BHmax(up to
397.9kJ/m3) the highest, it is possible to meet the cylindrical shape non-crystaline amorphous metal accurate nothing of permanent magnet linear synchronous motor operating mechanism well
The performance requirement of deciliter chopper by mistake.
This utility model overcomes that the volume of tradition operating mechanism is relatively big, complicated mechanism, response time length and motion
The shortcomings such as process is difficult to control to, have the quality of mechanism for cylindrical shape non-crystaline amorphous metal permanent magnet linear synchronous motor operating mechanism
Little, movement inertia is little, and kinetic energy is greatly reduced, and makes energy loss little, improves efficiency, and its reliability is preferable, have high response and
High-precision feature and motor process are controlled.
Claims (8)
1. the cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor operating mechanism for chopper, it is characterised in that: include
Cylindrical shape non-crystaline amorphous metal permanent magnet linear synchronous motor (1), electric machine main shaft (2), main shaft displacement transducer (3), connecting rod (4) and insulation
Pull bar (5)；Connecting rod (4) one end is connected with the electric machine main shaft (2) of cylinder type non-crystaline amorphous metal permanent magnet linear synchronous motor (1), connecting rod
(4) other end is connected with insulated tension pole (5), and insulated tension pole (5) is connected with arc-extinguishing chamber of circuit breaker (9)；Main shaft displacement transducer
(3) cylindrical shape non-crystaline amorphous metal permanent magnet linear synchronous motor (1) transverse section it is arranged near electric machine main shaft (2) place；In arc-chutes (9)
Being provided with moving contact (7) and static contact (8), static contact (8) is fixed on upper bracket, and the moving contact (7) of static contact (8) lower section connects
Touch spring (6), touch spring (6) connects insulated tension pole (5).
Cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor operating mechanism for chopper the most according to claim 1,
It is characterized in that: described cylindrical shape non-crystaline amorphous metal permanent magnet linear synchronous motor (1) includes primary part and sub section；Primary section
Divide and be made up of armature winding (12) and primary (13) two parts unshakable in one's determination；Sub section is by permeability magnetic material (10), secondary iron core (11)
Forming with permanent magnet (14), the permanent magnet (14) of opposed polarity is separated by permeability magnetic material (10), and permanent magnet (14) is embedded in secondary
In (11) unshakable in one's determination, secondary iron core (11) is formed by silicon steel plate stacking.
Cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor operating mechanism for chopper the most according to claim 2,
It is characterized in that: primary (13) unshakable in one's determination are iron-base amorphous alloy material.
4. according to the cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor actuating machine for chopper described in Claims 2 or 3
Structure, it is characterised in that: primary (13) unshakable in one's determination are without fluting.
Cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor operating mechanism for chopper the most according to claim 2,
It is characterized in that: permanent magnet (14) is Nd-Fe-B permanent magnet material, and be toroidal.
Cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor operating mechanism for chopper the most according to claim 2,
It is characterized in that: permanent magnet array is Halbach array.
Cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor operating mechanism for chopper the most according to claim 1,
It is characterized in that: connecting rod (4) is stainless steel material, connecting rod (4) is identical with insulated tension pole (5) diameter, its axle center and electrical axis
(17) point-blank.
Cylindrical shape non-crystaline amorphous metal permanent magnetic linear synchronous motor actuating machine for chopper the most according to claim 1 and 2
Structure, it is characterised in that: cylindrical shape non-crystaline amorphous metal permanent magnet linear synchronous motor (1) is short secondary forms primary, long.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620452956.XU CN205656975U (en) | 2016-05-18 | 2016-05-18 | A cylinder metallic glass permanent magnet synchronous linear motor operating mechanism for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620452956.XU CN205656975U (en) | 2016-05-18 | 2016-05-18 | A cylinder metallic glass permanent magnet synchronous linear motor operating mechanism for circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN205656975U true CN205656975U (en) | 2016-10-19 |
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|---|---|---|---|
| CN201620452956.XU Expired - Fee Related CN205656975U (en) | 2016-05-18 | 2016-05-18 | A cylinder metallic glass permanent magnet synchronous linear motor operating mechanism for circuit breaker |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799351A (en) * | 2017-10-20 | 2018-03-13 | 尤明泉 | A kind of high-speed switch with composite structure |
| CN108983080A (en) * | 2018-04-24 | 2018-12-11 | 河南平高电气股份有限公司 | A kind of operating mechanism breaker fictitious load experimental rig |
-
2016
- 2016-05-18 CN CN201620452956.XU patent/CN205656975U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799351A (en) * | 2017-10-20 | 2018-03-13 | 尤明泉 | A kind of high-speed switch with composite structure |
| CN108983080A (en) * | 2018-04-24 | 2018-12-11 | 河南平高电气股份有限公司 | A kind of operating mechanism breaker fictitious load experimental rig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161019 Termination date: 20170518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |