CN207868970U - flat DC motor - Google Patents
flat DC motor Download PDFInfo
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- CN207868970U CN207868970U CN201721814913.2U CN201721814913U CN207868970U CN 207868970 U CN207868970 U CN 207868970U CN 201721814913 U CN201721814913 U CN 201721814913U CN 207868970 U CN207868970 U CN 207868970U
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- Prior art keywords
- motor
- flat
- unit
- rotor
- stator
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Abstract
The utility model discloses a kind of flat dc motors, including：One stator unit has more than one coil windings phase；One rotor unit, stator unit are that rotor unit is surrounded in it, and stator unit forms a permanent magnet motor with rotor unit, and rotor unit is rotatably coaxially installed in stator unit；One cylindrical casing has inner space, is fixed with stator unit, and can house stator unit and rotor unit；One head cover, is combined with case, and stator unit and rotor unit group are placed between head cover and case；One first bearing, is coupled in case；An and second bearing, it is coupled in the head cover, wherein one end of the central rotating shaft of rotor unit is articulated in case across first bearing, and the other end of central rotating shaft passes through second bearing and between head cover, the thickness of cylindrical casing and the ratio range of diameter are 1/2 to 1/5；The flat dc motor of the utility model can fully optimize power output in a limited space.
Description
Technical field
The utility model is related to a kind of motor, especially with regard to a kind of flat dc motor.
Background technology
Motor (motor) is widely used in the actuating assembly of industry and interface equipment.According to its structure and power supply mode,
There are many types for motor, and the driving of motor needs to provide electric excitation with electric power converter appropriate, anti-electric according to motor
The characteristic of EMF waveform, motor winding inductance characteristic are engaged in switch and/or commutation moment appropriate adjustment, have been obtained preferably
Service performance and transfer efficiency.
The operating principle of motor is can be by active force, in fact, motor in magnetic field with the conductor with electric current
Consideration because being known as:Effect conductor in magnetic field is numerous coils, need to consider alternate run in magnetic field N pole and S extremely under electric current
Commutation, to obtain the torque of single direction.Motor is mainly by rotor, the magnet poles being set in rotor, stator, printing
Circuit board is formed, and driver is connected to sensor setting on printed circuit board.
When motor operation, the coil in full-bridge circuit winds stator, and driver output control signal is several to control
It switches on and closes.Magnet poles, which have several magnetic poles (for example, the respectively poles N, the poles S, the poles N and the poles S) and are set to, to be turned
In son, according to electric current flowing through coil, electromagnetic field drive rotor caused by stator, and by sensor with inductiopn rotor internal magnet
The transformation of magnetic pole and export a sensing signal to driver, with the current time of adjustment control flowing through coil, make motor stator
The rotating excitation field of fixed-direction is generated to rotor.
Recently, household appliance, electric carrier use permanent magnet motor or dc motor gradually.Because having permanent magnetic
Stone and micro-control IC, permanent magnet motor or dc motor have the characteristics such as the low vibrations of high efficiency and low noise, have and directly drive
Dynamic, the features such as rotating speed is adjustable.Figure 1A shows the structure of known permanent magnet motor or dc motor, and rotor 101 is by several
Magnetic pole 101a is constituted, each arc-shaped magnet is fixed on the round iron ring of a magnetic conduction, and each arc-shaped magnet and left and right phase
The magnet radial poles of adjacent arc-shaped magnet are all opposite.Stator 102 is made of several magnetic conductivity silicon steel sheets, per a piece of magnetic conductivity silicon
Several winding slots are set on steel disc, the copper wire (enameled wire) of insulating wrapped is sequentially wound on winding slot.Figure 1B show a direct current without
The driving principle of brush motor, the most basic driving method of DC Brushless Motor are 120.(i.e. six steps drive mould to electrically conducting manner
Formula), such as semiconductor switching component of switch 106 is controlled, is by 6 insulation lock bipolar transistor (insulated gate
Bipolar transistor, IGBT) it is constituted with diode.The collector-that diode is connected to insulation lock bipolar transistor is penetrated
Between pole, 6 IGBT switches (T1, T2, T3, T4, T5, T6) using control switch 106 apply simple open and close
(ON/OFF) signal, 6 IGBT switch (T1, T2, T3, T4, T5, T6) respectively 6 diodes in parallel (D1, D2, D3, D4, D5,
D6).Among being switched at 6, only 2 switch conductions, the variation switched by 6 each time attracts rotor to reach 6 fixed points,
Motor 105 is allowed to rotate.For example, among six step drive modes, the first step is that IGBT switchs (T6, T1) unlatching, other 4 crystal
Pipe is closed；Second step is that IGBT switchs (T1, T2) unlatching, other 4 transistors are closed；Third step is that IGBT switchs (T2, T3)
It opens, other 4 transistors are closed；4th step is that IGBT switchs (T3, T4) unlatching, other 4 transistors are closed；5th step is
IGBT switchs (T4, T5) and opens, other 4 transistors are closed；6th step is that IGBT switchs (T5, T6) unlatching, other 4 crystal
Pipe is closed.After the driving of each step, it can be read out counter electromotive force 103, and the position 104 of detecting rotor, next
The action of the switching of control IGBT switches can be just carried out by controller 100.
The rotor of permanent magnet motor or dc motor is made of several magnetic poles, each arc-shaped magnet is fixed on one and leads
On the round iron ring of magnetic, and the magnet radial poles of each arc-shaped magnet arc-shaped magnet adjacent with left and right are all opposite.Stator by
Several magnetic conductivity silicon steel sheets are constituted, and several winding slots are arranged on every a piece of magnetic conductivity silicon steel sheet, and sequentially winding is exhausted on winding slot
The copper wire (enameled wire) of edge cladding.
Its design of traditional permanent magnet motor or dc motor is in the form of a column structure, can above be limited in application.When
It is needed in driving carrier, equipment in the confined space, for example, the wheel hub electric motor of driving electric carrier, driving water wheel type increase
Built-in wheel hub electric motor of oxygen machine etc..
For this purpose, it is really necessary to develop it is a kind of can in the confined space drive carrier, equipment flat direct current or permanent magnetism
Motor.
Utility model content
In order to achieve the above object, the utility model proposes a kind of flat dc motors, including：One stator unit, has
More than one coil windings phase；One rotor unit, stator unit are that rotor unit is surrounded in it, stator unit and rotor list
Member one permanent magnet motor of composition, rotor unit are rotatably coaxially installed in stator unit；One cylindrical casing has inside
Space is to be fixed with stator unit, and can house stator unit and rotor unit；One head cover is combined with case, by stator
Unit and rotor unit group are placed between head cover and case；One first bearing, is coupled in case；And a second bearing, it is coupled in
The head cover, wherein one end of the central rotating shaft of rotor unit are articulated in case across first bearing, and the other end of central rotating shaft is worn
Cross second bearing and between head cover, the thickness of cylindrical casing and the ratio range of diameter are 1/2 to 1/5.
It is adjustable in the rotating speed of a preferred embodiment, the flat dc motor.
In a preferred embodiment, the rotating speed adjustable extent of the flat dc motor is 0 to 150rpm.It is flat straight
The rotating speed of galvanic electricity motivation optimizes ranging from 50 to 110rpm.
In a preferred embodiment, the stator unit of the flat dc motor, shape is cylindric and along its diameter
To being provided with several coils around circle；Rotor unit, shape are cylindric and are radially provided with several permanet magnets.
In a preferred embodiment, the flat dc motor also includes a sensing unit, flat straight to export
The characterisitic parameter of galvanic electricity motivation；And a control unit, the electric property coupling sensing unit, the characterisitic parameter of its output is received, is used
To start flat dc motor.
In a preferred embodiment, described control unit includes H-type bridge switch electricity made of several semiconductor switch bridge joint
Road.
These advantages and other advantages make reader have a clear understanding of the utility model from the narration of preferred embodiments below.
Description of the drawings
It is as described below to the detailed description of the utility model and the schematic diagram of embodiment, the utility model should be made more to be filled
The understanding divided；However, it should thus be appreciated that this is only limitted to as the reference for understanding the utility model application, and unrestricted the utility model
Among a specific embodiment.
Figure 1A shows the structure chart of the brushless direct current motor of known technology；
Figure 1B shows the driving principle schematic diagram of brushless direct current motor；
Fig. 2A shows the flat motor decomposition diagram of an embodiment of the utility model；
Fig. 2 B show the schematic diagram of the different angle after the flat motor combination of an embodiment of the utility model；
Fig. 3 shows the flat electric motor-driving way schematic diagram of an embodiment of the utility model.
Symbol description in attached drawing：
100 controllers；101 rotors；101a magnetic poles；102 stators；103 counter electromotive force；The position of 104 rotors；105 is electronic
Machine；106 control switches；202 cases；202a central through holes；204 supporting racks；206 stator units；208 rotor units；210 centers
Shaft；212a first bearings；212b second bearings；214 head covers；214a center openings；216 equipment accommodating spaces；218 equipment are held
Between emptying；302 driving devices；306 control units；310 motor；316 temperature sensors；318 velocity location sensors；320
Sensor interface.
Specific implementation mode
The utility model specific embodiment will be directed to herein and its viewpoint is described in detail, it is such to be described as explaining this reality
It is non-limiting the claim of the utility model for illustrating with novel structure or steps flow chart.Therefore, it removes
Outside specific embodiment and preferred embodiment in specification, the utility model can also be performed in other different embodiments extensively
In.Illustrate that the embodiment of the utility model, those skilled in the art can be by these by particular specific embodiment below
The revealed content of specification understands the utility model the effect of property and its advantage easily.And the utility model also can be by it
His specific embodiment is used and is implemented, and every details that this specification is illustrated may be based on different demands and apply, and
A variety of different modifications or change are carried out under the spirit for not departing from the utility model.
An embodiment described in specification refers to that one specific is described feature related with this embodiment, method or spy
Property is comprised in an at least embodiment.Therefore, the implementation not necessarily phase of each aspect of one embodiment or multiple embodiments
Same embodiment.Implement in one or more in addition, the related feature of the utility model, method or characteristic can be combined as suitable in
Among example.
Brushless direct-current or permanent magnet motor comprising rotor, stator and driving unit.Rotor has several magnetic poles.Stator
Including several stator winding being arranged in pairs, general brushless direct current motor includes one single fixed with multiple coiling groups
Son, the winding of multigroup coiled wire-wound coil are electrically connected at a motor and are known as a phase or phase winding.Typical brush DC is electronic
Machine has three-phase windings, in the case of one has fixed number of turns or volume and restricted maximum drive voltage,
Its operating characteristic of threephase motor winding is with the high torque slow-speed of revolution, because it is with permanet magnet and micro-control IC, permanent-magnet electric
Machine or dc motor have the characteristics such as the low vibrations of high efficiency and low noise, and have the characteristics that directly drive, rotating speed is adjustable, because
This, which has, is quite widely applied value.
However traditional permanent magnet motor or dc motor its design is in the form of a column structure, can above be limited in application
System.When it is needed in driving carrier, equipment in the confined space, for example, the wheel hub electric motor of driving electric carrier, driving water wheels
Built-in wheel hub electric motor of formula aerator etc..
The flat motor of the utility model is permanent magnet motor or dc motor, includes mainly a motor
Stator, shape is cylindric and is radially provided with several coils around circle, and motor stator is installed in a cover body；One turn
Son is cylindrical, and is rotatably coaxially installed in motor stator, be installed on rotor several permanet magnets with it is above-mentioned
Motor stator magnetism interlocks.
Fig. 2A shows the decomposition diagram of the flat dc motor of the utility model, and it includes a cylindrical casings
202, there is on case 202 supporting rack 204 to make it easy to, and installation is fixed, a stator unit 206 is fixed and is placed in case 202
Portion, a rotor unit 208 are installed on by a first bearing 212a inside stator unit 206 with one end of its central rotating shaft 210
And it is pivoted to case 202, and pass through 202 central through hole 202a of case；Stator unit 206 fix case 202 and head cover 214 it
Between, rotor unit 208 is coated by stator unit 206 and by central rotating shaft 210 and two side bearings (first bearing 212a and the
Two bearing 212b) it is folded in head cover 214 and case 202 between the two, the other end of central rotating shaft 210 passes through second bearing 212b
And across the center opening 214a of a head cover 214.Then respectively there are the device space in the top and its adjacent place of case 202, and (equipment is accommodating
Space 216；Equipment accommodating space 218) it is respectively used to installing motor controller and power supply.Fig. 2 B show the flat of the utility model
The combination diagram of flat dc motor, wherein the size of flat dc motor its thickness t and diameter D ratio ranges are about
Between being 1/2 to 1/5, and the ratio optimized is 1/3.
Fig. 3 shows that the utility model electric motor-driving way schematic diagram in an embodiment, display are driven using motor
Power supply can be guided the stator unit for having multiple phase coiling groups to motor by dynamic device 302.As shown in figure 3, driving dress
302 are set to guide power supply to the stator unit winding coil of motor 310.Temperature sensor 316 in sensing unit or speed
Degree position sensor 318 then is used to sense the running parameter of motor in work, by sensor interface 320 by running parameter
Control unit 306 is reached, control unit 306 can carry out driving or emergency cut-off motor 310 by driving device 302.In
For one embodiment, motor is permanent magnet motor, and driving device 302 is that there are six H made of semiconductor switch bridge joint for a tool
Type bridge switching circuit, semiconductor switch can be golden oxygen field-effect transistor (MOSFET) or insulation gate double carrier transistor
(IGBT)。
Due to the plurality of advantages of above-mentioned flat dc motor, have extensively using value, for example, implementing one
In example, it can be made to directly drive the scoop-wheel of waterwheel aerator as the driving power system of aerator.Permanent magnet motor
Or dc motor, it can be installed on the water wheels hub interior for unit of fetching water, because having permanet magnet and micro-control IC, Permanent Magnet and Electric
Motivation or dc motor have the characteristics such as the low vibrations of high efficiency and low noise, have directly drive, rotating speed is adjustable, can turn
The range of speed has best efficiency 0 between 150rpm and within the scope of 50 to 110rpm, does not need reduction box, output power
500 to 750W can be reached, and efficiency can reach 90%.With the waterwheel aerator of conventional AC induction motor drive
Power consumption is about half within compared to its year, and can save replacement or maintain the expense of reduction box part, therefore can greatly be increased
Add economic benefit.
The waterwheel aerator of built-in wheel hub electric motor driving, its main feature is that saving connecting component, you can to omit connection
The shaft of water wheels avoids wearing, balances and shake and need not do remote boot server via the shaft of connection water wheels, in addition again can be a
Not Kong Zhi the rotating speeds of water wheels generate different cruise modes.
The design of flat its size of dc motor can make it in fully optimizing its power output in the confined space,
Other than being applied to aerator, some dynamical systems for having space limitation to consider, such as the wheel hub of electronic vapour, locomotive also can be used as
The power-driven system of motor etc., or large-scale ceiling fan etc..
An embodiment or one embodiment as described herein mean to be comprised in described in the embodiment in an at least embodiment
A special characteristic, structure and characteristic.Therefore, herein in the whole text in everywhere in sentence an embodiment or one embodiment not
Centainly mean identical embodiment, but the same embodiment may be directed toward.In addition, from disclosure herein it is found that in one or more realities
It applies in example, as known to known this those skilled in the art, specific feature, structure or characteristic can be combined with any appropriate ways.Not
Be detached from present utility model application the scope of the claims it is relatively wide in the case of, specification can do various amendments, and above-mentioned more in detail can make
For support.The utility model is not limited to particular form, schema and the details such as specification exposure.Therefore, it says
Bright book can be used as a kind of description explanation with schema, rather than to limit the utility model.
The utility model is not confined to specific detail feature described herein.In the spirit and scope of the utility model
Under, it is even more that can be allowed to from being previously described with the relevant many different utility models changes of schema.Therefore, the utility model will
Include modification change possible to it by following patent claims, rather than the utility model is defined by top description
Scope.
Claims (9)
1. a kind of flat dc motor, which is characterized in that include：
One stator unit has more than one coil windings phase；
One rotor unit, the stator unit are that the rotor unit is surrounded in it, which forms with the rotor unit
One permanent magnet motor, the rotor unit are rotatably coaxially installed in the stator unit；
One cylindrical casing has inner space, is to be fixed with the stator unit, and house the stator unit and the rotor list
Member；
One head cover is combined with the case, and the stator unit and the rotor unit group are placed between the head cover and the case；
One first bearing is coupled in the case；And
One second bearing is coupled in the head cover, and wherein one end of the central rotating shaft of the rotor unit is pivotally connected across the first bearing
It passes through the second bearing in the other end of the case, the central rotating shaft and passes through the head cover, the thickness of the case and the ratio of diameter
Between value ranging from 1/2 to 1/5.
2. flat dc motor according to claim 1, which is characterized in that the flat dc motor turns
Speed is adjustable.
3. flat dc motor according to claim 2, which is characterized in that the flat dc motor turns
Fast adjustable extent is 0 to 150rpm.
4. flat dc motor according to claim 2, which is characterized in that the flat dc motor turns
Speed optimizes ranging from 50 to 110rpm.
5. flat dc motor according to claim 2, which is characterized in that the shape of the stator unit is cylinder
Shape and several coils are radially provided with around circle.
6. flat dc motor according to claim 2, which is characterized in that the shape of the rotor unit is cylinder
Shape and radially it is provided with several permanet magnets.
7. flat dc motor according to claim 1, which is characterized in that also include wherein a sensing unit, use
To export the characterisitic parameter of the flat dc motor；And it is defeated to receive its for a control unit, the electric property coupling sensing unit
Characterisitic parameter gone out, to start the flat dc motor.
8. flat dc motor according to claim 7, which is characterized in that described control unit is partly led comprising several
H-type bridge switching circuit made of body switch bridge joint.
9. flat dc motor according to claim 8, which is characterized in that the semiconductor switch is imitated for Jin Yangchang
Transistor or insulation gate double carrier transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721814913.2U CN207868970U (en) | 2017-12-22 | 2017-12-22 | flat DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721814913.2U CN207868970U (en) | 2017-12-22 | 2017-12-22 | flat DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207868970U true CN207868970U (en) | 2018-09-14 |
Family
ID=63465807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721814913.2U Expired - Fee Related CN207868970U (en) | 2017-12-22 | 2017-12-22 | flat DC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207868970U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI692178B (en) * | 2018-11-30 | 2020-04-21 | 澄鈦動能科技股份有限公司 | High efficiency intelligent motor |
-
2017
- 2017-12-22 CN CN201721814913.2U patent/CN207868970U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI692178B (en) * | 2018-11-30 | 2020-04-21 | 澄鈦動能科技股份有限公司 | High efficiency intelligent motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190319 Address after: 3rd Floor, 38 Likoya Road, Xiushan, Daya District, Taichung City, Taiwan, China Patentee after: Daqing Energy-Saving Technology Co., Ltd. Address before: 1st Floor, No. 5, Dyke Building, Dizipola Street, Pudens Industrial Park, Seychelmae Island Patentee before: Daqing energy saving technology company |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 Termination date: 20191222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |