CN205945422U - Hybrid direct current motor system - Google Patents
Hybrid direct current motor system Download PDFInfo
- Publication number
- CN205945422U CN205945422U CN201620451564.1U CN201620451564U CN205945422U CN 205945422 U CN205945422 U CN 205945422U CN 201620451564 U CN201620451564 U CN 201620451564U CN 205945422 U CN205945422 U CN 205945422U
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- China
- Prior art keywords
- conducting metal
- metal disk
- motor
- iron core
- becket
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Abstract
The utility model discloses a hybrid direct current motor system, which comprises a motor. The motor includes the pivot, install the iron core in the pivot, the winding has the multiunit coil on the iron core, install the guiding device in the pivot at iron core both ends, iron core, guiding device are all established in the shell, just the guiding device with it is insulating between pivot, the shell, iron core relative position's shell internal fixation has the stator. The utility model discloses redesign brush DC motor inner structure removes commutator and carbon brush, has designed electrically conductive bearing, adopts the control structure of the brushless DC motor driver of present technology maturation, realizes the continuously operation of motor and start through the electronics switching -over that stop, the braking is just reversed. Brush DC motor's simple structure has been had simultaneously concurrently, low in production cost's advantage.
Description
Technical field
The utility model is related to a kind of hybrid DC machine system.
Background technology
Direct current generator（direct current machine）Refer to direct current energy can be converted into mechanical energy（Direct current drive
Machine）Or convert mechanical energy into direct current energy（Dc generator）Electric rotating machine.It is to enable direct current energy and mechanical energy
The mutually motor of phase transformation.It is dc motor when it makees motor running, convert electrical energy into mechanical energy；Make generator operation
When be dc generator, convert mechanical energy into electric energy.
The structure of direct current generator should be made up of stator and rotor two large divisions.Actionless part when direct current generator runs
Referred to as stator, the Main Function of stator is to produce magnetic field, by support, main pole, commutating pole, end cap, bearing and brushgear etc.
Composition.The part rotating during operation is referred to as rotor, and its Main Function is to produce electromagnetic torque and induced electromotive force, is direct current generator
Carry out the hinge of energy conversion, so also commonly known as armature, by rotating shaft, armature core, armature winding, commutator and fan etc.
Composition.
Because the problem of self structure, the greatest drawback existing is exactly the problem of carbon brush and commutator to direct current generator, in order to
Solve this problem, industrial quarters introduces the concept of brshless DC motor.
Brshless DC motor is made up of motor body and driver, is a kind of typical electromechanical integrated product.Brushless
Motor refers to brushless and commutator（Or collector ring）Motor, also known as commutatorless machine.Early in 19 discipline birth motors
When, the practicality motor of generation is exactly brushless form, i.e. mouse cage AC formula asynchronous motor, and this motor has obtained extensively
Application.But, asynchronous motor has the defect that many cannot overcome, so that motor technology slower development.The middle of last century birth
Give birth to transistor, thus replace brush and the DC brushless motor of commutator just to arise at the historic moment using transistor commutating circuit.
This novel brushless motor is referred to as electronically commutated direct current generator, and it overcomes the defect of first generation brushless electric machine.
Brshless DC motor is made up of motor body and driver, is a kind of typical electromechanical integrated product.Electronic
Making three-phase symmetrical star connection the stator winding of machine more, quite similar with threephase asynchronous.Viscous on the rotor of motor
There is the permanent magnet having magnetized, in order to detect the polarity of motor rotor, in the built-in position sensor of motor.Driver by
Power electronic device and integrated circuit etc. are constituted, and its function is：Accept the startup of motor, stopping, brake signal, to control electricity
The startup of motivation, stopping and braking；Accept position sensor signal and positive and negative rotaring signal, for controlling each power tube of inverter bridge
Break-make, produces continuous torque；Accept speed command and feedback speed signal, for controlling and adjusting rotating speed；Protection is provided and shows
Show etc..
Direct current generator have response quickly, larger starting torque, possess from zero-turn speed to rated speed can provide specified
The performance of torque, but the advantage of direct current generator also exactly its shortcoming, because constant turn under direct current confidential generation nominal load
The performance of square, then armature field is permanent with rotor field palpus maintains 90 °, and this will be by carbon brush and commutator.Carbon brush and commutator
Spark, carbon dust can be produced when motor rotates therefore in addition to meeting causes assembly to damage, use occasion is also restrained.Exchange
Motor does not have carbon brush and commutator, and non-maintaining, firm, application is wide, but to reach the performance being equivalent to direct current generator in characteristic
Must be can be only achieved with complex control technology.Contemporary semiconductor quickly grows (PCC) power switching frequency and accelerates many, lifting driving
The performance of motor.Microprocessor speed is also increasingly faster, can achieve that the two axle right angles that AC Motor Control is placed in a rotation are sat
In mark system, suitable control alternating current generator, in two shaft current components, reaches similar DC MOTOR CONTROL and has and direct current generator phase
When performance.
In addition necessary for controlled motor function is done in the chips by existing a lot of microprocessor, and volume is less and less；
As analog/digital converter (analog-to-digital converter, adc), pulse width modulation (pulse wide
Modulator, pwm) ... etc..DC brushless motor is electronically control alternating current generator commutation, obtains similar direct current
Machine characteristic does not have a kind of application of disappearance on direct-current motor mechanism again.
Traditional brushed DC motor, motor is mainly by magnet steel, coil, commutator segment（Device）, brush, rotor, shell etc. is several
Individual part composition.Due to its intrinsic brush-commutator structure, have the shortcomings that following：
1) due to adopting carbon brush and commutator in structure, there is carbon brush and commutator wear and short life.
2) when motor rotates, electric spark between carbon brush and commutator, can be produced, affect electrical machinery life, simultaneously can be to the modern times
Electronic unit produce electromagnetic interference, also high requirement is proposed to the application scenario of motor.
3) during motor long time running, carbon brush contacts disengaging repeatedly with commutator, and electric current passes through to be that meeting producing ratio is higher
Motor temperature rise.
4), when motor operates for a long time, carbon brush and commutator friction produce carbon dust, easily cause the damage of electric machine assembly.
5) motor produced electromagnetic interference signal in the case of running up can disturb various wireless signals up till now
Transmission and reception.
6) brushed DC motor, because there is mechanical carbon brush and commutator, haves the shortcomings that efficiency is low.
DC brushless motor（Mainly for inner rotor motor, similarly hereinafter）Structural representation such as Fig. 2, by rotating shaft, permanent magnet
Rotor, shell, stator and coil, hall device（Selectable unit）, electric current commutating circuit composition.DC brushless motor is to overcome
The disadvantages mentioned above of brush direct current motor and design, difference is with brush direct current motor structure for it：
1) rotor of DC brush is made up of coil, and the rotor of brush DC is done by permanent magnet；
2) DC brush has brush and commutator, and brush DC does not have brush and commutator structure；
3) stator of brush DC is made up of coil, and the stator of DC brush is made by permanent magnet；
4) DC brush stator current produces commutation by circuit thus driving permanent magnet to rotate；
5) brush DC passes through electric current, makes current direction produce change by carbon brush and commutator simultaneously, thus produce holding
Continuous unidirectional torsion；
By the structural analysis of above brush direct current motor and DC brushless motor, we have drawn DC brushless motor
Shortcoming：
1) low speed has slight vibration when starting,
2) price is high, and controller has high demands；
3) easily form resonance, because any thing has an eigentone, if the vibration of brushless electric machine
Frequency is easy for when identical with the vibration frequency of vehicle frame or working of plastics or close forming covibration, but will be able to be total to by adjustment
Phenomenon of shaking is reduced to minimum degree.So sending a kind of drone sound using brushless electric machine when operating sometimes.
The production cost of motor is higher than brushless electric machine, and mainly the cost in production process and material cost will
Higher than brush motor.
Content of the invention
Technical problem to be solved in the utility model is, not enough for prior art, provides a kind of hybrid DC
Machine system.
For solving above-mentioned technical problem, the utility model be employed technical scheme comprise that：A kind of hybrid DC machine system
System, including motor；Described motor includes rotating shaft；Install cored in described rotating shaft；Multigroup coil is wound with described iron core；Institute
In the rotating shaft stating iron core two ends, guiding device is installed；Described iron core, guiding device are each provided inside the shell, and described guiding device
Insulate and described rotating shaft, shell between；The inside the shell of described iron core relative position is fixed with stator；Described guiding device includes
One conducting metal disk and the second conducting metal disk；Described first conducting metal disk and the second conducting metal disk all include multiple with one heart
Becket；In same metal dish, insulation between two neighboring becket connects；In wherein first conducting metal disk, each
It is mounted on the conductive roller of multiple energy axial rotation in individual becket；The metal ring surface of described second conducting metal disk and institute
State the conductive roller surface contact in the first conducting metal disk respective metal ring, and can be when described conduction roller rotates with second
Rotate centered on the center of circle of conducting metal disk；Described rotating shaft passes through in described first conducting metal disk, the second conducting metal disk
The heart；All metal ring surfaces of described second conducting metal disk are equipped with binding post；Described coil is by described binding post and control
Device electrical connection processed.
In described first conducting metal disk, it is provided between two neighboring becket for supporting having absolutely of described conduction roller
The retainer of edge characteristic.Make guiding device internal structure more firm.
Becket number in described first conducting metal disk and the second conducting metal disk is 3.Meet general occasion
Use demand.
Multiple conduction rollers in each described becket are arranged at equal intervals.
Compared with prior art, the utility model had the advantage that for：The utility model redesigns has brush straight
Stream internal structure of motor, removes commutator and carbon brush, devises the bearing of conduction, using the brushless dc of current technology maturation
The control structure of machine driver, realizes continuous running and the startup of motor by electronic commutation, stops, braking, rotating.With
When had concurrently brushed DC motor structure simple, the advantage of low production cost.
Brief description
Fig. 1 is the utility model one embodiment electric machine structure schematic diagram；
Fig. 2 is the utility model one embodiment guiding device three-dimensional structure diagram one；
Fig. 3 is the utility model one embodiment guiding device three-dimensional structure diagram two.
Specific embodiment
As shown in Figure 1-Figure 3, the utility model one embodiment flow-guiding structure includes the first conducting metal disk 1 and the second conduction
Metal dish 2；Described first conducting metal disk 1 and the second conducting metal disk 2 all include multiple concentric beckets 3；Same gold
In genus disk, insulation between two neighboring becket 3 connects；In wherein first conducting metal disk 1, all pacify in each becket 3
Conductive roller 4 equipped with multiple energy axial rotation；Becket 3 surface of described second conducting metal disk 2 is conductive with described first
Conductive roller 4 surface contact in metal dish 1 respective metal ring 3, and can be when described conduction roller 4 rotates with the second conductive gold
Rotate centered on the center of circle of genus disk 2；Motor of the present utility model includes above-mentioned guiding device 13, and motor includes rotating shaft 6；Described turn
Cored 8 are installed on axle 6；Three groups of coils 7 are wound with described iron core 8；In the rotating shaft 6 at described iron core 8 two ends, water conservancy diversion is installed
Device；Described iron core 8, guiding device are each provided in shell 9, and insulate between described guiding device and described rotating shaft 6, shell 9
（Insulated by insulation sleeve 12）；It is fixed with stator 10 in the shell 9 of described iron core 8 relative position（Magnet steel）；Rotating shaft 6 excessively described
One conducting metal disk 1 second conducting metal disk 2 center；The all metal ring surfaces of described second conducting metal disk 2 are equipped with wiring
Post 11；Described binding post 11 is connected with controller.
In first conducting metal disk 1, between two neighboring becket, it is provided with the retainer for supporting described conduction roller 4
5, all of retainer is concentric；Becket 3 number in first conducting metal disk 1 and the second conducting metal disk 2 is 3；The
All metal ring surfaces in one conducting metal disk 1 and the second conducting metal disk 2 are equipped with binding post.
Conductive roller is cylindrical roller.
The effect of retainer is to maintain whole conducting circular cylinder set of rollers first（All conductive rolling in same becket
Son）Each roller roll on corresponding conductive metal ring 3, next is to ensure that the concentric conducting circular cylinder roller of each two is mutual
Between be dielectrically separated from.
The profile of cylinder conduction roller is cylinder, its cylindrical outer surface be coated with high connductivity metal level it is therefore an objective to
Can be sufficiently conductive.
Multiple conduction rollers in individual described becket are arranged at equal intervals.
Water conservancy diversion principle of the present utility model is：First conducting metal disk and the second conducting metal disk 2 are that two structures are complete
The same device.The first conducting metal disk 1 of this guiding device rotates with rotary body, the first conducting metal disk is dispersed with many
Circle conductive metal ring 3, often has the mutual 4 alternate used outside insulateds of dead ring between circle conductive metal ring.A certain in rotary body is with
Conducting ring 3 in one conducting metal disk connects, and the electric current in rotary body can be with the conductive metal ring in the first conducting metal disk 1
3 conductings, conductive metal ring 3 is communicated by the roller 5 in conductive set of rollers accordingly, the roller 5 and first in conductive set of rollers
Conducting metal disk 1 geo-stationary rolls on corresponding technology ring on the second conducting metal disk 2 simultaneously.Simultaneously in conductive set of rollers
Roller metal dish mutual conduction corresponding with the second conducting metal.First conducting metal disk 1 is rotated together with rotary body,
Both are geo-stationary；Second conducting metal disk 2 is static, and it is mutual rotation with rotary body and the first conducting metal disk 1
Transhipment is moved.So, the electric current in rotary body is just by the conductive metal ring 3 on the first conducting metal disk 1, conductive roller 5, biography
The conductive metal ring 3 delivered on the second static conducting metal disk 2 is sent out by lead stake again.
Motor internal is equipped with position sensor.The installation of position sensor is divided into two ways：One kind is to be directly installed on
In stator slot；Another is to be arranged separately in anti-drive end, and has little sensor magnet steel on axle.Controller passes according to position
The change of rotor-position is pressed in sense, carries out the change of current along a graded to the electric current of rotor windings（I.e. detection rotor magnetic pole is relatively fixed
The position of sub- winding, and produce position sensor signal at defined location, go after processing through signaling conversion circuit to control power
On-off circuit, carries out winding current switching by certain logical relation）.The operating voltage of rotor windings is exported by position sensor
The electronic switching circuit controlling provides.
Position sensor has Mageneto-sensitive type, photo-electric and electromagnetic type three types.
The brushless direct current motor of Mageneto-sensitive type position sensor, its magneto-dependent sensor part（Such as Hall element, magnetosensitive two pole
Pipe, magnetoresister or special IC etc.）It is contained on stator module, for detecting what permanent magnet, rotor produced when rotating
Changes of magnetic field.
When electric current passes through binding post and guiding device is energized, motor stator magnet steel magnetic field is produced to by the rotor of electric current
One revolving force, when the rotor coil of rotation turns over certain angle, produces a contrary direction by electric machine controller
Electric current, motor electronic magnet steel magnetic field creates the revolving force of equidirectional.Thus by three groups of electric machine controller conversion repeatedly
The sense of current in rotor coil, allows motor produce lasting revolving force.It is by phase in water conservancy diversion between controller and coil
Fixing wiring pile in conducting ring 3 on the second static metallic conduction disk 2 is connected.
Claims (5)
1. a kind of hybrid DC machine system is it is characterised in that include motor；Described motor includes rotating shaft（6）；Described rotating shaft
（6）Upper installation is cored（8）；Described iron core（8）On be wound with multigroup coil（7）；Described iron core（8）The rotating shaft at two ends（6）On
Guiding device is installed；Described iron core（8）, guiding device be each provided at shell（9）Interior, and described guiding device and described rotating shaft
（6）, shell（9）Between insulate；Described iron core（8）The shell of relative position（9）Inside it is fixed with stator（10）；Described guiding device
Including the first conducting metal disk（1）With the second conducting metal disk（2）；Described first conducting metal disk（1）With the second conducting metal
Disk（2）All include multiple concentric beckets（3）；In same metal dish, two neighboring becket（3）Between by dead ring
（4）Connect；Wherein first conducting metal disk（1）In, each becket（3）Inside it is mounted on the conduction of multiple energy axial rotation
Roller（5）；Described second conducting metal disk（2）Becket（3）Surface and described first conducting metal disk（1）Respective metal ring
（3）Interior conductive roller（5）Surface contacts, and can be in described conduction roller（5）With the second conducting metal disk during rotation（2）Circle
Rotate centered on the heart；Described rotating shaft（6）Through described first conducting metal disk（1）, the second conducting metal disk（2）Center；Institute
State the second conducting metal disk（2）All metal ring surfaces be equipped with binding post（11）；Described coil（7）By described binding post
（11）It is electrically connected with the controller.
2. hybrid DC machine system according to claim 1 is it is characterised in that described first conducting metal disk（1）
In, it is provided between two neighboring becket for supporting described conduction roller（5）Retainer（6）.
3. hybrid DC machine system according to claim 1 is it is characterised in that described first conducting metal disk（1）
With the second conducting metal disk（2）Interior becket（3）Number is 3.
4. hybrid DC machine system according to claim 1 is it is characterised in that each described becket（3）Interior
Multiple conduction rollers（5）Arrange at equal intervals.
5. hybrid DC machine system according to claim 1 is it is characterised in that described stator（10）It is provided with groove
Position sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620451564.1U CN205945422U (en) | 2016-05-18 | 2016-05-18 | Hybrid direct current motor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620451564.1U CN205945422U (en) | 2016-05-18 | 2016-05-18 | Hybrid direct current motor system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205945422U true CN205945422U (en) | 2017-02-08 |
Family
ID=57935128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620451564.1U Withdrawn - After Issue CN205945422U (en) | 2016-05-18 | 2016-05-18 | Hybrid direct current motor system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205945422U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130265A (en) * | 2016-05-18 | 2016-11-16 | 长沙领杰智能科技有限公司 | A kind of hybrid DC machine system |
-
2016
- 2016-05-18 CN CN201620451564.1U patent/CN205945422U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130265A (en) * | 2016-05-18 | 2016-11-16 | 长沙领杰智能科技有限公司 | A kind of hybrid DC machine system |
| CN106130265B (en) * | 2016-05-18 | 2019-06-18 | 长沙领杰智能科技有限公司 | A kind of hybrid DC machine system |
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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: 20170208 Effective date of abandoning: 20190618 |
|
| AV01 | Patent right actively abandoned |