CN105790457B - High-performance rotating electromagnetic actuator - Google Patents
High-performance rotating electromagnetic actuator Download PDFInfo
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- CN105790457B CN105790457B CN201610303456.4A CN201610303456A CN105790457B CN 105790457 B CN105790457 B CN 105790457B CN 201610303456 A CN201610303456 A CN 201610303456A CN 105790457 B CN105790457 B CN 105790457B
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- 230000005284 excitation Effects 0.000 claims abstract description 35
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 47
- 239000000463 material Substances 0.000 claims description 17
- 239000000696 magnetic material Substances 0.000 claims description 15
- 230000035699 permeability Effects 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 3
- 229910052742 iron Inorganic materials 0.000 description 7
- 230000005389 magnetism Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000005415 magnetization Effects 0.000 description 4
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- 238000004519 manufacturing process Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/145—Stator cores with salient poles having an annular coil, e.g. of the claw-pole type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
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- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention discloses high-performance rotating electromagnetic actuators.Using rotor or rotor yoke itself as through conducting magnet core or conductive magnetic yoke, form " one inhales a row " force booster type shunt excitation channel, working gas gap is reduced to original half, 20 ~ 30 times or more up to common rotating electromagnet of electromagnetic torque of the present invention under identical field ampere-turns, electric current is maintained to be only common 5% or less or be zero when long, self-sustaining stall when itself having the function of long.Fundamentally solve existing rotating electromagnet contribute it is small, be attracted and maintain that electric current is big, volume is big, the bottleneck problem of the long-term engineering constraint application such as at high cost, poor reliability, provide that a kind of compact-sized, simple process, output torque and rotational angle are big, self-retaining function, control simple high-performance rotating electromagnetic actuator when having long.It the composite can be widely applied to the industry such as universal electromagnetic actuator, electromagnetic operating mechanism (including breaker, solenoid valve, brake etc.) and civilian multiple fields.
Description
Technical field
The invention belongs to electro-mechanical arts, and in particular to a kind of high-performance rotating electromagnetic actuator.
Background technique
Electromagnet, contactor have been widely used for all trades and professions as electromagnetic actuator, are broadly divided into straight line Direct Action Type
With rotary two kinds.Straight line direct drive type electro magnet is because structure is simple, and power bracket is wide, and application range is the most extensive.Existing market
The output torque of the rotary electric magnet of upper sale is typically small, is mostly generally simply possible to use in tens milli ox rice to a few ox rice
Low-power applications occasion, for most high-power applications occasions, it is difficult to meet requirement.Rotating electromagnet or rotating electromagnetic are held
The prior art of row device mainly has: conventional rotating electromagnet, the axial magnetic circuit electromagnetic rotating device using ball, magnet steel corner
Electromagnet, poke-rod type angle electromagnetic iron, reluctance type angle electromagnetic iron, finite corner motor, low-speed high-torque motor.At these
In rotating electromagnetic actuator, conventional electrical excitation rotating electromagnet, output torque is smaller；Utilize the axial magnetic circuit electromagnetic rotating of ball
Axial movement is transformed into radial motion by mechanical by device, and axially trembling is larger for shaft, and reliability is poor；Magnet steel angle electromagnetic iron
It need to be controlled with special pulse current when work；Poke-rod type angle electromagnetic iron is electric using left and right two conventional direct acting are placed on
The driving lever that is connected with rotary shaft among magnet drives shaft rotation, it is complex in structure, volume is larger, conversion links are more,
Circumferentially trembling and rotary inertia are larger for shaft；Reluctance type angle electromagnetic iron is that the single hot-wire coil that will be wound on stator generates
Axial magnetic field, which is directed to, to be formed N, S opposite pole between the dynamic magnetic pole and magnetostatic pole of dislocation configuration and then generates tangential component and cut
Rotate shaft to torque, because of the participation of no permanent magnetism, output torque and corner have been difficult to essence raising；Finite corner motor
Structure process is complicated, cost of manufacture is higher；It knocks off since rotary load generally requires nothing more than the rotation several years to tens degree, and between being
It makes, directly selects low-speed big rotating electric machine to serve as rotating electromagnet and carry out work, not only volume, power are very big, cause " big
Horse traction trolley " phenomenon, and it is also faced with the long-term stall of motor (zero speed) problem, need frequency control or special construction that could tie up
Zero speed state is held, stall operating current is big when long, and electric motor and controller device is complicated, general only just to adopt when haveing no alternative but
With.In addition, in brake, clutch, solenoid valve, contactor, operating mechanism isometric work stroke (big working gas gap), heavy duty neck
Domain is as (release) power source is opened, and in order to overcome the heavy loads torques such as very big tripping spring power, there is also operating currents
Excessive (up to more than ten times of electric current even decades of times are maintained), vibratory impulse is big, volume is big, control device is complicated, power consumption is big, at
This high inherent shortcoming, it has also become restrict the bottleneck problem of its engineer application.
Summary of the invention
It is complicated that the technical problem to be solved by the present invention is to existing rotating electromagnetic actuator structures, and conversion links are more, angle of rotation
Spend small, output power is low, movement and it is long when maintain electric current big, volume is big, from great, an at high cost, system such as control device is complicated
Column bottleneck problem.
The technical scheme is that realized with following methods:
High-performance rotating electromagnetic actuator, including stator yoke, at least one stator being arranged in stator yoke, rotor yoke,
At least one rotor on rotor yoke is set, and the stator yoke is cylinder type, and the rotor yoke is cylindrical type or cylinder type, is determined
Son be fixed on the inner edge of stator yoke and with rotor yoke gap setting, rotor is fixed in the outer rim of rotor yoke and between stator yoke
Gap setting, is arranged between stator and rotor for variable gap.
Further, the stator or rotor are made of at least one set of iron core, or are embedded by least one set of outer surface fluting, slot
Be made of the iron core of magnet, or by least one set of iron core and it is at least one set of magnet is radially arranged forms, at least one stator or
At least one magnet exciting coil is set on the iron core of rotor.
Further, the stator yoke, rotor yoke are non-magnet material, and at least one set of magnet exciting coil or magnet are located at stator iron
Between the middle part or near middle or internal and external circumference surface of core or rotor core, makes to be formed between stator core and rotor core and encourage
Flux path.
Further, the stator yoke is permeability magnetic material, rotor yoke is non-magnet material, at least one set of magnet exciting coil or magnet
Near the iron core external peripheral surface or external peripheral surface of stator or rotor, make stator core, rotor core and stator yoke it
Between formed excitation access.
Further, the stator yoke is non-magnet material, rotor yoke is permeability magnetic material, at least one set of magnet exciting coil or magnet
Near the iron core inner circumferential surface or inner circumferential surface of stator or rotor, make stator core, rotor core and rotor yoke it
Between formed excitation access.
Further, reseting spring device is set between the rotor or rotor yoke and stator or stator yoke or resets damping
Device or limiting device or travel switch or position sensor.
High-performance rotating electromagnetic actuator of the present invention, the ingenious spy with cylinder interior space and symmetrical structure
Point provides a kind of compact-sized, simple process and low cost, small in size, output torque and rotational angle is big, high reliablity, tool
Self-sustaining stall function, high-performance rotating electromagnetic actuator that is energy-efficient, controlling outstanding advantages of simple when having long, to overcome
The deficiencies in the prior art.
Detailed description of the invention
Fig. 1 is 1 structural schematic diagram of the embodiment of the present invention.
Fig. 2 ~ 5 are 2 structural schematic diagram of the embodiment of the present invention.
Fig. 6 ~ 7 are 3 structural schematic diagram of the embodiment of the present invention.
Fig. 8 ~ 13 are 4 structural schematic diagram of the embodiment of the present invention.
In attached drawing: 1 stator yoke, 2 rotor cores, 3 rotor yokes, 4 rotor coils, 5 stator coils, 6 stator cores, 7 magnets.
Specific embodiment
Elaboration is further made to the present invention with reference to the accompanying drawings and examples.
Embodiment 1
As shown in Figure 1, high-performance rotating electromagnetic actuator, including stator yoke, be arranged in stator yoke at least one is fixed
Son, rotor yoke, at least one rotor being arranged on rotor yoke, the stator yoke are cylinder type, and the rotor yoke is cylindrical type
Or cylinder type, stator be fixed on the inner edge of stator yoke and with rotor yoke gap setting, rotor is fixed in the outer rim of rotor yoke
And with stator yoke gap setting, be arranged between stator and rotor for variable gap, the variable-air-gap between stator and rotor passes through
Rotor yoke or shaft and stator yoke, which relatively rotate, to be realized.
It is arranged between the inner edge of the outer rim of rotor and stator yoke, the inner edge of stator and the outer rim of rotor yoke for small―gap suture, it is main
Will be as installation and fit-up gap, general very little is between 0.1 ~ 0.5mm, relative between tens millimeters of stator and rotor
Big working gas gap, this assembly small―gap suture are negligible.
Rotor yoke and stator yoke are non-magnet material, and stator and rotor are the iron core with magnet exciting coil, make stator core and
Excitation access is formed between rotor core: adjacent each hot-wire coil is surrounded between two stator and rotor iron cores of arbitrary neighborhood
Side, the two pairs of iron core teeths to intercouple constitute excitation access (hereinafter referred to as " double air gaps magnetic together with two working gas gaps of between cog
Road " or " double air gaps structure "), therefore, energized circuit is other than two necessary working gas gaps without other energy loss.Fixed,
The setting of each magnet exciting coil of rotor and around to making the two neighboring hot-wire coil side in big air gap side (if answering same-phase around to identical)
Excitation field mutually enhance and generate suction and attract that torque, the two neighboring hot-wire coil side in small air gap side is around to identical (if answer
Antiphase) excitation field mutually weaken and generate repulsive force and repel torque, forming resultant moment rotates rotor and shaft, this
The setting of " one inhales a row " magnet exciting coil and excitation access is so that the present invention is than common " aspiration-type (no row under identical field ampere-turns
Repulsion) " torque of structure can increase by 50 ~ 100% or more.
Embodiment 2
As shown in Fig. 2 ~ 5, high-performance rotating electromagnetic actuator, including stator yoke, be arranged in stator yoke at least one
Stator, rotor yoke, at least one rotor being arranged on rotor yoke, the stator yoke are cylinder type, and the rotor yoke is cylinder
Type or cylinder type, stator be fixed on the inner edge of stator yoke and with rotor yoke gap setting, rotor is fixed on the outer rim of rotor yoke
It is upper and with stator yoke gap setting, be arranged between stator and rotor for variable gap, the variable-air-gap between stator and rotor is logical
It crosses rotor yoke or shaft and stator yoke is relatively rotated and realized.It is arranged between rotor and stator yoke, stator and rotor yoke for small―gap suture.
Rotor yoke and stator yoke one of them be permeability magnetic material, another be non-magnet material, stator and rotor are with magnet exciting coil
Iron core makes to form excitation access between stator core and rotor core and the stator yoke or rotor yoke of magnetic conduction.
By taking Fig. 2 as an example, a pair of of stator, a pair of of rotor are symmetrical arranged, and the stator yoke is permeability magnetic material, rotor yoke is non-leads
Magnetic material, at least one set of magnet exciting coil are located near the iron core external peripheral surface or external peripheral surface of stator or rotor, any phase
Adjacent each hot-wire coil side is surrounded between adjacent two stator and rotor iron cores, a pair of of the iron core teeth to intercouple is together between cog
A working gas gap and magnetic conduction stator yoke constitute excitation access (hereinafter referred to as " single-air gap magnetic road " or " single gap structure "),
Therefore, without other energy loss other than a necessary working gas gap, magnetic resistance greatly reduces energized circuit.Stator and rotor are each
The setting of magnet exciting coil and around to the excitation for making the two neighboring hot-wire coil side in big air gap side (if answering same-phase around to identical)
Magnetic field, which mutually enhances, generates suction and attraction torque, the two neighboring hot-wire coil side in small air gap side (if answering antiphase around to identical)
Excitation field mutually weaken and generate repulsive force and repel torque, forming resultant moment rotates rotor and shaft, and torque significantly increases
Add.It is proved by finite element stimulation, the torque that this " single gap structure " of the invention generates is up in the embodiment of the present invention 1
2 ~ 3 times or more of " double air gaps structure " torque.
As shown in Fig. 2,4 and 5, magnet exciting coil is located at the iron core external peripheral surface of stator or rotor, wherein Fig. 4 Dan Ding
Son, dual-rotor structure configuration, Fig. 5 are single stator, single-turn minor structure configuration (adjacent windings generation repulsive force)；As shown in figure 3, one
Stator, a pair of of rotor are symmetrical arranged, magnet exciting coil is located at the iron core inner circumferential surface of stator or rotor, for another " single gas
Gap structure ", it may have the effect of Fig. 2 similar high-torque.
Embodiment 3
As shown in Figures 6 and 7, high-performance rotating electromagnetic actuator, including stator yoke, be arranged in stator yoke at least one
Stator, rotor yoke, at least one rotor being arranged on rotor yoke, the stator yoke are cylinder type, and the rotor yoke is cylinder
Type or cylinder type, stator be fixed on the inner edge of stator yoke and with rotor yoke gap setting, rotor is fixed on the outer rim of rotor yoke
It is upper and with stator yoke gap setting, be arranged between stator and rotor for variable gap, the variable-air-gap between stator and rotor is logical
It crosses rotor yoke or shaft and stator yoke is relatively rotated and realized.It is arranged between rotor and stator yoke, stator and rotor yoke for small―gap suture.
Stator yoke is permeability magnetic material, rotor yoke is non-magnet material, and stator or rotor core surface fluting, slot are embedded with magnet, at least
At least one magnet exciting coil is set on the iron core of one stator or rotor, makes shape between stator core and rotor core and stator yoke
At excitation access.Here, the setting of magnet is first is that in order to further enhance excitation field and output torque, second is that in order to significantly drop
Electric current is maintained when low long.In Fig. 6, magnet is arranged in rotor core lateral groove, as the direction of magnetization edge for distributing magnet rationally
Circumferencial direction or circumferentially tangential direction；In Fig. 7, magnet is arranged in rotor core exterior surface slot, as distributing magnet rationally
The direction of magnetization radially.
Embodiment 4
As shown in Fig. 8 ~ 13, high-performance rotating electromagnetic actuator, including stator yoke, be arranged in stator yoke at least one
Stator, rotor yoke, at least one rotor being arranged on rotor yoke, the stator yoke are cylinder type, and the rotor yoke is cylinder
Type or cylinder type, stator be fixed on the inner edge of stator yoke and with rotor yoke gap setting, rotor is fixed on the outer rim of rotor yoke
It is upper and with stator yoke gap setting, be arranged between stator and rotor for variable gap, the variable-air-gap between stator and rotor is logical
It crosses rotor yoke or shaft and stator yoke is relatively rotated and realized.It is arranged between rotor and stator yoke, stator and rotor yoke for small―gap suture.
At least one set of magnet exciting coil or magnet be located at stator or rotor iron core inner circumferential surface or external peripheral surface or internal and external circumference it
Between, permanent magnet and iron core are radially arranged, are radial as the direction of magnetization for distributing permanent magnet rationally.Stator yoke, rotor yoke are equal
For one among non-magnet material or rotor yoke and stator yoke be non-magnet material, another be permeability magnetic material, stator core and
Excitation access is formed between rotor core and the rotor yoke or stator yoke of magnetic conduction.
Fig. 8 magnet exciting coil and permanent magnet are located at the iron core inner circumferential surface (close to rotor yoke) of stator, rotor, stator
Yoke is non-magnet material, rotor yoke is permeability magnetic material；Fig. 9 magnet exciting coil and magnet are located at stator core and rotor core
Between internal and external circumference, stator yoke, rotor yoke are non-magnet material, rotor yoke is permeability magnetic material；Figure 10 magnet exciting coil and permanent magnet
It is located at the iron core external peripheral surface (close to stator yoke) of stator, rotor, stator yoke is permeability magnetic material, rotor yoke is non-magnetic
Material；Figure 11 magnet exciting coil and magnet are located between rotor core and the internal and external circumference of stator core, stator yoke, rotor yoke
It is permeability magnetic material for non-magnet material, rotor yoke；Stator and rotor in Fig. 8-Figure 11 are symmetrical arranged, and quantity is equal, are turned in Figure 12
Son is odd number, stator is even number configuration (being a rotor, two stators in Figure 12)；Magnet and iron core in Fig. 8-Figure 12
It is radially arranged, it is radial as the direction of magnetization for distributing magnet rationally.
By taking Figure 10 as an example, an adjacent hot-wire coil side is surrounded between arbitrary neighborhood stator and rotor iron core, is intercoupled
A pair of of iron core teeth constitutes magnet (permanent magnetism) excitation access together with the stator yoke of a working gas gap of between cog, magnet and magnetic conduction；Appoint
It anticipates around hot-wire coil side between a rotor and its two adjacent stator cores, the two pairs of stator-rotor iron core teeth to intercouple
Hot-wire coil excitation access, magnet are constituted together with the stator yoke of the one big working gas gap of between cog, a small working gas gap, magnetic conduction
Both (permanent magnetism) excitation access and hot-wire coil excitation access constitute parallel circuits (hereinafter referred to as " single-air gap magnetic road " or " single gas
Gap structure "), therefore, two energized circuits are other than necessary (necessary) working gas gap generates magnetic pressure drop without other energy
Amount loss.The setting of each magnet exciting coil of stator and rotor with around to making the adjacent hot-wire coil exciting field in big air gap side and permanent magnet excitation
Field mutually enhancing generation suction hot-wire coil adjacent with torque, small air gap side is attracted and permanent magnet excitation field, which are mutually weakened, generates repulsion
Power and repulsion torque, forming resultant moment rotates rotor and shaft.Finite element stimulation shows this " permanent magnetism+logical of the present invention
The torque that electric coil+mono- gap structure " generates under identical electrical excitation ampere-turn up in the embodiment of the present invention 2 " hot-wire coil+
7 ~ 10 times or more of single gap structure " torque maintain electric current to can be only " hot-wire coil+mono- gap structure " of the invention when long
10% hereinafter, and since the presence of permanent magnet makes itself have the function of self-sustaining (stall), if not as power-off auto-returned
The use of safety electromagnetic iron it is also not necessary to maintain electric current.
As shown in figure 13, magnet exciting coil and magnet are set simultaneously on rotor, rotor excitation coil is located at rotor core
Inner circumferential surface (close to rotor yoke), remaining is the same as Figure 10 embodiment.The rotor excitation coil can be used as pull-in winding use, can also make
Stator exciting coil electric current is disconnected, it is anti-to be passed through rotor excitation coil before rotor quick pick-up for the use of reversed hot-wire coil
To electric current, to reduce actuation shock and vibration, control device is simple.
Magnet exciting coil and magnet are set simultaneously on rotor, rotor excitation coil may be alternatively located at the external peripheral surface of rotor core
Or it is equipped among rotor core and with stator exciting coil and stator core.Identical principle, can also be on stator simultaneously
Magnet exciting coil and magnet are set.
It, can root between rotor or rotor yoke and stator or stator yoke in order to optimize rotating electromagnetic actuator in embodiment 1 ~ 4
According to needing to be arranged reseting spring device or reset damping unit or limiting device or travel switch or position sensor.
The magnet is monolithic magnet or one group of magnet, or identical by polarity or different muti-piece magnet forms, such as
With yoke portion or without the halbach magnet array in yoke portion.Magnet is the magnetic materials such as permanent magnet, electrical excitation body, superconducting magnet, root
Depending on specific need.In general, preferentially using strong magnetic permanent-magnet made of NdFeB material.
The magnet exciting coil can not only be arranged radially on the iron core of rotor or stator according to above-described embodiment and (press
The right-hand rule, the flow direction that hot-wire coil is formed is radially), can also circumferentially it be arranged on the iron core of rotor or stator
(pressing the right-hand rule, the tangential direction of the flow direction that hot-wire coil is formed along the circumferential direction or circumferentially).
In addition, as needed, shell or stator yoke itself can be covered outside stator yoke, shell is used as to use, it can on shell
The devices such as setting heat dissipation and terminal box and its drive control；Rotor yoke or rotor itself can also be used as shaft use, rotor or
Rotor yoke or shaft are arranged by rolling bearing and stator or stator yoke or shell rotation, the axial direction of stator or stator yoke or shell
The also settable end cap in both ends；In addition, said stator, rotor, stator yoke, rotor yoke are also used interchangeably, become outer rotor rotation
Electromagnetic actuator.
High-performance rotating electromagnetic actuator of the present invention also has performance advantage below:
1) due to (hot-wire coil is to permanent magnet or hot-wire coil to hot-wire coil) existing suction between adjacent rotor and stator
Power has repulsion again, more preferably divides so that high-performance rotary actuator of the present invention has, closes characteristic.For being attracted, it is being attracted
Initial stage, be passed through that maximum forward current mutually attracts by its big working gas gap side, small working gas gap side is mutually repelled to coil,
All rotors so generate recursion and incremental effect, to improve sucting speed rapidly, reduce pickup time, when be attracted into
When row arrives certain phase, disconnects the forward current in coil and being passed through reverse current to it arranges its former big working gas gap side mutually
Reprimand, former work small air gap side mutually attract, to reduce sucting speed and guarantee the contact velocity of rotor in acceptable range
It is interior.Rotary actuator i.e. of the present invention can allow and realize and first accelerate to slow down again during actuation, reduce pickup time, improve
It is attracted performance, and this is that common rotating electromagnet is difficult to.
2) when because with same electromagnetic field action, the permanent magnetism body mass ratio dynamic iron core quality for providing identical magnetic force is wanted small and is obtained
More, so the quality of the traditional moving component of the mass ratio of moving component of the invention and rotary inertia are much smaller, therefore it adds
Speed, decelerability are more preferable, and are conducive to reduce the peak point current and energy consumption in coil, while being also beneficial to reduce and divide, syzygies
Hit power.
3) multiple stator and rotor and corresponding (series connection) work in parallel can be set as needed in high-performance rotary actuator of the present invention
The magnet exciting coil of work, compared with traditional rotary actuator, redundancy is more preferable (when the failure of one or several coils, remaining line
Circle may continue to work), reliability is higher, production cost is lower, maintenance is more convenient.
To sum up, high-performance rotating electromagnetic actuator of the present invention, it is ingenious to use cylinder interior space and symmetrical structure
The characteristics of, it is cross, straight using stator, rotor itself or stator yoke, rotor yoke itself as through conducting magnet core or conductive magnetic yoke
The magnetic excitation circuit of stream or permanent magnetism provides channel, and working gas gap is reduced to original half, and (size of the air gap is to electromagnetic torque, effect
The main indicators such as rate, dynamic property generate vital influence), the magnet exciting coil magnetic circuit of " one inhales a row " recursion setting and forever
Magnet magnetic circuit constitutes force booster type alternate path, and permanent magnet and energization magnet exciting coil magnetic potential (ampere-turn) are several in stator and rotor interior zone
All for participating in energy converting between mechanical, this common permanent magnetism, electrical excitation composite excitation electromagnet or actuator in be to be difficult to
(because permanent magnet can be equivalent to the hollow coil being powered, permanent magnet can regard open circuit as in DC circuit magnetic loop) met simultaneously, because
This, the electromagnetic torque of the present invention " single air gap " permanent-magnet structure can reach common rotating electromagnet under identical excitation magnetic potential (ampere-turn)
20 ~ 30 times or more, electric current is maintained to can be only the 5% of common rotating electromagnet when long hereinafter, it is also not necessary to maintain electric current, originally
Self-sustaining (stall) when invention itself has the function of to power off or be powered long, rotational angle is big.It fundamentally preferably solves existing
The long-term engineering constraints such as structure is complicated for the electromagnetic actuators such as rotating electromagnet, power output is small, volume is big, at high cost, poor reliability are answered
Bottleneck problem, provides that a kind of compact-sized, simple process, output torque and rotational angle are big, self-sustaining when having long
Function, the simple high-performance rotating electromagnetic actuator of control.It the composite can be widely applied to universal electromagnetic actuator, Electromagnetically-operating
The industry such as mechanism (including breaker, solenoid valve, brake, clutch etc.) and civilian multiple fields.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence should all cover in protection scope of the present invention.
Claims (5)
1. high-performance rotating electromagnetic actuator, which is characterized in that including stator yoke, rotor yoke, be arranged in stator yoke at least
One stator and at least two rotors being arranged on rotor yoke, or including stator yoke, rotor yoke, be arranged in stator yoke extremely
Few two stators and at least one rotor being arranged on rotor yoke, the stator yoke are cylinder type, and the rotor yoke is cylinder
Type or cylinder type, stator be fixed on the inner edge of stator yoke and with rotor yoke gap setting, rotor is fixed on the outer rim of rotor yoke
It is upper and with stator yoke gap setting, be arranged between stator and rotor for variable gap, the stator or rotor are by least one set of iron
Core composition, or be made of the iron core that at least one set of outer surface fluting, slot are embedded with magnet, or by least one set of iron core and at least one
Magnet is radially arranged forms for group, at least one magnet exciting coil is arranged on the iron core of at least one stator or rotor, at each turn
Attraction and repulsive force are generated respectively between sub and adjacent two sides stator, or between each stator and the rotor of two sides respectively
Attraction and repulsive force are generated, forming resultant moment rotates rotor and shaft.
2. high-performance rotating electromagnetic actuator according to claim 1, which is characterized in that the stator yoke, rotor yoke are
Non-magnet material, at least one set of magnet exciting coil or magnet are located at middle part or the near middle or inside and outside of stator core or rotor core
Between circumferential surface, make to form excitation access between stator core and rotor core.
3. high-performance rotating electromagnetic actuator according to claim 1, which is characterized in that the stator yoke is magnetic conduction material
Material, rotor yoke are non-magnet material, at least one set of magnet exciting coil or magnet be located at stator or rotor iron core external peripheral surface or
Near external peripheral surface, make to form excitation access between stator core, rotor core and stator yoke.
4. high-performance rotating electromagnetic actuator according to claim 1, which is characterized in that the stator yoke is non-magnetic material
Material, rotor yoke are permeability magnetic material, and at least one set of magnet exciting coil or magnet are located at the iron core inner circumferential surface or interior of stator or rotor
Near circumferential surface, make to form excitation access between stator core, rotor core and rotor yoke.
5. high-performance rotating electromagnetic actuator according to claim 1-4, which is characterized in that the rotor or
Reseting spring device is set between rotor yoke and stator or stator yoke or reset damping unit or limiting device or travel switch or
Position sensor.
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|---|---|---|---|
| CN201610303456.4A CN105790457B (en) | 2016-05-10 | 2016-05-10 | High-performance rotating electromagnetic actuator |
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| CN201610303456.4A CN105790457B (en) | 2016-05-10 | 2016-05-10 | High-performance rotating electromagnetic actuator |
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| CN105790457A CN105790457A (en) | 2016-07-20 |
| CN105790457B true CN105790457B (en) | 2019-01-08 |
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| CN201610303456.4A Active CN105790457B (en) | 2016-05-10 | 2016-05-10 | High-performance rotating electromagnetic actuator |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86200259U (en) * | 1986-01-21 | 1988-04-20 | 常世昌 | Electric actuator capable of reciprocating rotation within a fixed angle range |
| CN201112030Y (en) * | 2007-09-24 | 2008-09-10 | 贵州航天林泉电机有限公司 | Rotating limit angle electromagnet |
| CN205595913U (en) * | 2016-05-10 | 2016-09-21 | 焦作市华鹰机电技术有限公司 | Rotatory electromagnetic actuator of high performance |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0612948B2 (en) * | 1984-11-20 | 1994-02-16 | 日本電装株式会社 | Rotary drive |
-
2016
- 2016-05-10 CN CN201610303456.4A patent/CN105790457B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86200259U (en) * | 1986-01-21 | 1988-04-20 | 常世昌 | Electric actuator capable of reciprocating rotation within a fixed angle range |
| CN201112030Y (en) * | 2007-09-24 | 2008-09-10 | 贵州航天林泉电机有限公司 | Rotating limit angle electromagnet |
| CN205595913U (en) * | 2016-05-10 | 2016-09-21 | 焦作市华鹰机电技术有限公司 | Rotatory electromagnetic actuator of high performance |
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| CN105790457A (en) | 2016-07-20 |
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