CN204103619U - Motor and the motor assembly with this motor - Google Patents
Motor and the motor assembly with this motor Download PDFInfo
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- CN204103619U CN204103619U CN201420430936.3U CN201420430936U CN204103619U CN 204103619 U CN204103619 U CN 204103619U CN 201420430936 U CN201420430936 U CN 201420430936U CN 204103619 U CN204103619 U CN 204103619U
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Abstract
The utility model relates to a kind of motor and has the motor assembly of this motor, and described motor comprises housing; Rotating shaft, rotating shaft is plugged in housing and housing is stretched out in one end of rotating shaft; Rotor, rotor to be located in housing and to be set in rotating shaft, and the outside wall surface of rotor is divided into and multiplely axially extends and subregion face circumferentially arranged spaced apart along it, and each subregion face is formed as the circumference arcwall face outwardly along rotor respectively; Magnet steel, magnet steel is located on rotor; Stator core, described stator core to be set in housing and to arrange with described rotor coaxial, and stator core is fractional-slot stator core, and stator core is provided with and axially extends and multiple winding slots arranged spaced apart in the circumferential along it, and winding slot is formed as skewed slot.According to the motor of the utility model embodiment, effectively can reduce the cogging torque pulsation of motor when zero load, load, improve stability and the reliability of motor; Can hand insertion be realized in production technology, make the advantage of lower cost of exploitation automatic line inserting equipment.
Description
Technical field
The utility model relates to technical field of motors, more specifically, relates to a kind of motor and the motor assembly with this motor.
Background technology
The form of automobile steering system has multiple, and electric boosting steering system (EPS) is one wherein.EPS can be divided three classes again EPS, i.e. pipe column type C-EPS, tooth bar booster type R-EPS, pinion booster type P-EPS according to the difference of motor power-assisted position.Tooth bar booster type R-EPS motor can Direct driver tooth bar, and motor is coaxial with tooth bar, is made up of rotary angle transmitter, rotor and stator.Compare other EPS, R-EPS power-assisted effect is best, and structure is the compactest, and the response time is the shortest, and overshoot is minimum, and the vibrating noise of motor all not easily passes to driver.But this system cost is high, cost is high, design of part is complicated, is applicable to high-power, the automobile of large load and limousine, as Toyota's Lexus, Buick Ang Kelei, Chevrolet Equinox etc.
This kind of boosting motor adopts split-type stator core, and winding slot is straight trough and notch size is less, and the iron core complex process of this structure, very high to equipment precision requirement, equipment investment is huge.
Utility model content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the utility model is intended to propose a kind of motor, and the cogging torque pulsation of described motor is low, the stationarity of motor rotation and good reliability.
The utility model also proposed a kind of motor assembly with above-mentioned motor.
According to motor of the present utility model, comprising: housing; Rotating shaft, described rotating shaft is plugged in described housing and described housing is stretched out in one end of described rotating shaft; Rotor, described rotor to be located in described housing and to be set in described rotating shaft, the outside wall surface of described rotor is divided into and multiplely axially extends and subregion face circumferentially arranged spaced apart along it, and each described subregion face is formed as the circumference arcwall face outwardly along described rotor respectively; Magnet steel, described magnet steel is located on described rotor; And stator core, described stator core to be set in described housing and to arrange with described rotor coaxial, described stator core is fractional-slot stator core, and described stator core is provided with and axially extends and multiple winding slots arranged spaced apart in the circumferential along it, and described winding slot is formed as skewed slot.
According to motor of the present utility model, effectively can reduce motor in cogging torque pulsation that is unloaded, load, improve motor and the stability of parts that is connected with motor and reliability; Meanwhile, can hand insertion be realized in production technology, make the advantage of lower cost of exploitation automatic line inserting equipment.
In addition, following additional technical characteristic can also be had according to motor of the present utility model:
According to an embodiment of the present utility model, the lower end of each described winding slot is relative to upper end inclination 0.3-0.8 winding slot of this winding slot, and described subregion face is 6-10.
According to an embodiment of the present utility model, described rotor is provided with and multiplely axially extends and along its circumference magnet steel groove arranged spaced apart, described magnet steel is plugged in described magnet steel groove along it.
According to an embodiment of the present utility model, in the central angle region that each described subregion face is corresponding, be respectively equipped with a described magnet steel groove.
According to an embodiment of the present utility model, the perpendicular bisector of each described magnet steel groove extends along the radial direction of described rotor respectively.
According to an embodiment of the present utility model, described rotating shaft is solid shafting.
According to an embodiment of the present utility model, one end of described rotating shaft is arranged with bearing, the other end of described rotating shaft is arranged with and revolves change rotor, described rotor is located at described bearing and described revolving becomes between rotor, described bearing, described rotor and described in revolve become rotor respectively with described rotating shaft interference fit.
According to an embodiment of the present utility model, described rotating shaft be provided with the mating surface of described bearing, described rotor and described in revolve the mating surface that becomes rotor corresponding respectively bearing guide section, rotor guide section and revolve and become rotor guide section, the radial dimension of described bearing guide section is less than the internal diameter of described bearing, the radial dimension of described rotor guide section is less than the radial dimension of the outline of the mating surface of described rotor, described in revolve the radial dimension that the radial dimension becoming rotor guide section is less than the outline revolving the mating surface becoming rotor.
According to motor assembly of the present utility model, comprising: according to motor of the present utility model, one end of described motor is provided with first wire connecting portion of stretching out described housing; PCB connecting plate, described PCB connecting plate is located at one end of described motor and described PCB connecting plate is provided with line bank; Controller, described controller is connected with one end of described motor, and one end of described controller is provided with the second wire connecting portion, and described first wire connecting portion and described second wire connecting portion are weldingly connected.
According to an embodiment of the present utility model, described first wire connecting portion and the second wire connecting portion are respectively triple line copper bar.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the motor assembly according to the utility model embodiment;
Fig. 2 is the profile of the motor assembly according to the utility model embodiment;
Fig. 3 is the structural representation of the rotor of motor according to the utility model embodiment;
Fig. 4 is equipped with the structural representation after magnet steel according to the rotor of the motor of the utility model embodiment;
Fig. 5 is the top view of the stator of motor according to the utility model embodiment;
Fig. 6 is the profile of the stator of motor according to the utility model embodiment;
Fig. 7 is the assembly structure schematic diagram of rotating shaft according to the motor of the utility model embodiment and rotor;
Fig. 8 is the assembly structure end view of rotating shaft according to the motor of the utility model embodiment and rotor;
Fig. 9 is the structural representation of the housing of motor according to the utility model embodiment;
Figure 10 is the profile of housing shown in Fig. 9;
Figure 11 is the structural representation of the motor according to the utility model embodiment;
Figure 12 is the syndeton schematic diagram of motor according to the utility model embodiment and controller.
Reference numeral:
Motor assembly 1;
Motor 10; Controller 20;
Housing 101; Rotating shaft 102; Rotor 103; Subregion face 104; Magnet steel groove 105; Magnet steel 106; Stator core 107; Winding slot 108; Bearing 109; Revolve and become rotor 111; Front end housing 112; Small pulley 113; Bearing guide section 121; Rotor guide section 122; Revolve and become rotor guide section 123; Stator guide section 124; Revolve the sub-guide section 125 of set; PCB connecting plate 130; Line bank 131; Second wire connecting portion 132; First wire connecting portion 201.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
The motor 10 according to the utility model embodiment is described in detail below in conjunction with accompanying drawing.
With reference to as shown in Figures 1 to 12, comprise housing 101, rotating shaft 102, rotor 103, magnet steel 106 and stator core 107 according to the motor 10 of the utility model embodiment.
As shown in Figure 2, rotating shaft 102 is pluggable in housing 101 and housing 101 is stretched out in one end of rotating shaft 102.Rotor 103 to be located in housing 101 and to be set in rotating shaft 102, and rotor 103 together can rotate with rotating shaft 102.The outside wall surface of rotor 103 is divided into multiple subregion face 104, and multiple subregion face 104 to extend and circumference along rotor 103 is arranged spaced apart along the axis of rotor 103.As shown in Figure 3, each subregion face 104 is formed as the circumference arcwall face outwardly along rotor 103 respectively.
Magnet steel 106 is located on rotor 103, and stator core 107 is set in housing 101, and coaxially arranges with rotor 103.Stator core 107 is fractional-slot stator core, and stator core 107 is provided with multiple winding slot 108, multiple winding slot 108 along stator core 107 axis extend and arranged spaced apart in the circumference of stator core 107, as shown in Figure 6, winding slot 108 is formed as skewed slot.
According to the motor 10 of the utility model embodiment, stator core 107 is formed as fractional-slot stator core and multiple winding slots 108 of stator core 107 are formed as skewed slot, the outside wall surface of rotor 103 is divided into the subregion face 104 of multiple circumference along rotor 103 arc outwardly simultaneously, this kind of design effectively can reduce the cogging torque pulsation of motor 10 when unloaded, load, improves motor 10 and the stability of parts that is connected with motor 10 and reliability; Meanwhile, can realize hand insertion in production technology, make the advantage of lower cost of exploitation automatic line inserting equipment, the preparation cost of motor 10 is lower.
The motor of correlation technique have employed split-type stator core, winding slot adopts straight trough and notch size is less, the iron core complex process of this structure, and very high to equipment precision requirement, equipment investment is huge, is unsuitable for actual use.And have employed fractional-slot stator core 107 according to the motor 10 of the utility model embodiment, and each winding slot 108 is formed as skewed slot, the bearing of trend of winding slot 108 is obliquely installed relative to the axis of stator core 107, it is simple that this kind designs not only structure, equipment precision requirement is low, be easy to manufacture shaping and effectively can reduce the cogging torque pulsation of motor 10 when zero load and load, namely effectively prevent problem little when motor 10 is in operation large when there is torque pulsation, improve stability and the reliability of motor 10.
Meanwhile, when motor 10 is applied in the steering of automobile, stability and the reliability of steering can be improved.Wherein, the operating voltage of motor 10 can be 9V-16V, and rated operational voltage can be 12V, Full Vehicle System without the need to increasing supercharging module raises battery tension, this kind of steering is applicable to gently, in, large load truck.
Alternatively, the lower end of each winding slot 108 is relative to upper end inclination 0.3-0.8 winding slot 108 of this winding slot 108, and also just in other words, lower end and the upper end of each winding slot 108 differ the distance of a 0.3-0.8 winding slot 108 in the circumference of stator core 107.Such as, in an embodiment of the present utility model, lower end and the upper end of each winding slot 108 differ the distance of 0.5 winding slot 108 in the circumference of stator core 107.This kind of winding slot 108 can effectively reduce the cogging torque pulsation of motor 10 compared to the straight trough in correlation technique, motor 10 is run more steady.
The quantity in the subregion face 104 of rotor 103 can be arranged according to specific needs, and alternatively, subregion face 104 can be 6 to 10.Such as, in a concrete example of the present utility model, the subregion face 104 on rotor 103 is formed as eight, and eight subregion faces 104 distribute equably along the circumference of rotor 103.
As shown in Figure 3, rotor 103 is provided with multiple magnet steel groove 105, and multiple magnet steel groove 105 can extend along the axis of rotor 103 and circumference along rotor 103 is arranged spaced apart, and magnet steel 106 is pluggable in magnet steel groove 105.In order to ensure that magnet steel 106 can be embedded securely in magnet steel groove 105, fixing glue embedding can be adopted to fix magnet steel 106.Particularly, fixing glue can be located between the internal face of magnet steel 106 and magnet steel groove 105, as shown in Figure 4, is fixing glue shown in black region, and fixing glue is arranged around magnet steel 106, magnet steel 106 and rotor 103 is bonded together.
In the related, the mounting means of magnet steel and rotor core is surface-mount type, and namely magnet steel is attached on the outer peripheral face of rotor core, and this kind of structure is very high to the intensity of adhesives, heat resistance and the requirement in life-span.And be provided with multiple magnet steel groove 105 in rotor 103 according to the motor 10 of the utility model embodiment, make magnet steel 106 can be embedded in rotor 103, the connection reliability between magnet steel 106 and rotor 103 improves greatly, and assembling process is comparatively easy.
As shown in Figure 4, the quantity of magnet steel groove 105 can be equal with the quantity in subregion face 104, is respectively equipped with a magnet steel groove 105 in the central angle region corresponding to each subregion face 104.It should be noted that, at this, the sector region that the axle center that central angle region refers to each subregion face and rotor 103 is formed.Further, the perpendicular bisector of each magnet steel groove 105 extends along the radial direction of rotor 103 respectively.That is, each magnet steel groove 105 can extend on the direction perpendicular with the radial direction of rotor 103.
In the related, the rotating shaft of motor is hollow shaft, and the structure of this rotating shaft is more complicated, and except outside need ensures machining accuracy, inside also needs to process accurately, and rotating shaft is not easily processed.Advantageously, rotating shaft 102 can be solid shafting.The rotating shaft 102 of solid type can effectively reduce difficulty of processing, and make processing technology simpler, rotating shaft 102 is easier to processing and manufacturing.
As shown in Figure 2, the outer end of rotating shaft 102 is arranged with bearing 109, and the inner of rotating shaft 102 is arranged with to revolve and becomes rotor 111, and rotor 103 is set in rotating shaft 102, and becomes between rotor 111 at bearing 109 and revolving.Can be interference fit between bearing 109 and rotating shaft 102, between rotor 103 and rotating shaft 102, can be interference fit, revolve between change rotor 111 and rotating shaft 102 and can be interference fit.This kind of assembly structure can make bearing 109, rotor 103 and revolve change rotor 111 to be securely fixed in rotating shaft 102.
Advantageously, as shown in Figure 7 and Figure 8, rotating shaft 102 can be provided with the bearing guide section 121 corresponding with bearing 109, the rotor guide section 123 corresponding with the mating surface of rotor 103 and with revolve corresponding the revolving of the mating surface becoming rotor 111 and become rotor guide section 123.The radial dimension of bearing guide section 121 is less than the internal diameter of bearing 109, the radial dimension of rotor guide section 123 is less than the radial dimension of the outline of the mating surface of rotor 103, revolves the radial dimension that the radial dimension becoming rotor guide section 123 is less than the outline revolving the mating surface becoming rotor 111.That is, bearing guide section 121, rotor guide section 123 become rotor guide section 123 and can adopt tolerance clearance respectively with revolving, and specifically can be minim gap tolerance.
Thus, rotating shaft 102 can be designed to segmentation tolerance, and non-cooperation section can adopt minim gap tolerance, and mating surface adopts interference tolerance.This structural advantages press-fits to revolve when becoming rotor 111, bearing 109 and rotor 103 and can accurately lead, and make to revolve change rotor 111, bearing 109 and rotor 103 and can press-fit when keeping coaxial with rotating shaft 102 respectively, reliability of technology is high, and cost is lower.
Further, in motor 10 structural design of the utility model embodiment, the cooperation position of other parts all can carry out segmentation tolerance design, as shown in Figure 9 and Figure 10, can be provided with stator guide section 124 and revolve the sub-guide section 125 of set etc. in housing 101, this design improves assembly quality and efficiency, meanwhile, the motor 10 of this structure is easy to maintenance and maintenance, only front end housing screw need be unloaded, can rotating shaft 102 and on parts take out, maintenance or replacement cost low.When this motor 10 is installed in the steering of automobile, if when motor 10 goes wrong, only need change the parts of damage and without the need to whole steering being changed together, reduce maintenance or replacement cost.
As shown in Figure 2, one end of housing 101 can be provided with front end housing 112, to be sealed one end of housing 101.Front end housing 112 is set in rotating shaft 102, and is positioned at the outside of bearing 109.One end that housing 10 is stretched out in rotating shaft 102 can be provided with small pulley 113, to be connected with other equipment.
According to motor 10 structure of the embodiment of the present invention and assembly technology simpler, without the need to manufacturing by high-precision equipment, therefore low cost of manufacture, and motor 10 is low in cogging torque pulsation that is unloaded, load, operate steadily reliable, stabilized structure and easy to removal and installation, maintenance cost is low.
With reference to as shown in Figure 1, Figure 11 and Figure 12, comprise PCB connecting plate 130, controller 20 and motor according to motor assembly 1 of the present utility model.Wherein, motor can be the motor 10 according to the utility model embodiment.
One end of motor 10 can be provided with the first wire connecting portion 201, the PCB connecting plate 130 stretching out housing 101 and be located at one end of motor 10 and PCB connecting plate 130 is provided with line bank 131, and controller 20 is connected with one end of motor 10.One end of controller 20 is provided with the second wire connecting portion 132, first wire connecting portion 201 and the second wire connecting portion 132 is weldingly connected.
Thus, motor 10 and controller 20 can form as one the structure of formula, and compact conformation, takes up room little, improves property easy to assembly and efficiency of assembling; Simultaneously, adopt between motor 10 with controller 20 welding copper bus mode be connected and holding wire connected mode adopts pcb board to be connected, make between motor 10 with controller 20 without the need to being connected by plug and wire harness again, effectively prevent the problem of the poor connectivity that wire harness antijamming capability and poor reliability cause, improve reliability and the Electro Magnetic Compatibility of motor assembly 1, connect distance greatly to shorten simultaneously, further reduce the pressure drop that wire harness produces, improve the performance of motor assembly 1.
Alternatively, as is illustrated by figs. 11 and 12, the first wire connecting portion 201 is triple line copper bar, and correspondingly, the second wire connecting portion 132 can be triple line copper bar.Thus, motor assembly 1 can be formed as three facies pattern motor assemblies 1, and wherein, motor 10 can be three-phase AC permanent magnet synchronous motor.
Owing to there is above-mentioned useful technique effect according to the motor assembly 1 of the utility model embodiment, therefore according to the injection volume and good operational stability of the motor assembly 1 of the utility model embodiment.
According to the utility model implement motor assembly 1 other form and operation be known for the person of ordinary skill of the art, be not described in detail at this.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (10)
1. a motor, is characterized in that, comprising:
Housing;
Rotating shaft, described rotating shaft is plugged in described housing and described housing is stretched out in one end of described rotating shaft;
Rotor, described rotor to be located in described housing and to be set in described rotating shaft, the outside wall surface of described rotor is divided into and multiplely axially extends and along its circumference subregion face arranged spaced apart, each described subregion face is formed as the circumference arcwall face outwardly along described rotor respectively along it;
Magnet steel, described magnet steel is located on described rotor; And
Stator core, described stator core to be set in described housing and to arrange with described rotor coaxial, described stator core is fractional-slot stator core, and described stator core is provided with and axially extends and multiple winding slots arranged spaced apart in the circumferential along it, and described winding slot is formed as skewed slot.
2. motor according to claim 1, is characterized in that, the lower end of each described winding slot is relative to upper end inclination 0.3-0.8 winding slot of this winding slot, and described subregion face is 6-10.
3. motor according to claim 1, is characterized in that, described rotor is provided with and multiplely axially extends and along its circumference magnet steel groove arranged spaced apart, described magnet steel is plugged in described magnet steel groove along it.
4. motor according to claim 3, is characterized in that, is respectively equipped with a described magnet steel groove in the central angle region that each described subregion face is corresponding.
5. motor according to claim 4, is characterized in that, the perpendicular bisector of each described magnet steel groove extends along the radial direction of described rotor respectively.
6. motor according to claim 1, is characterized in that, described rotating shaft is solid shafting.
7. motor according to claim 1, it is characterized in that, one end of described rotating shaft is arranged with bearing, the other end of described rotating shaft is arranged with and revolves change rotor, described rotor is located at described bearing and described revolving becomes between rotor, described bearing, described rotor and described in revolve become rotor respectively with described rotating shaft interference fit.
8. motor according to claim 7, it is characterized in that, described rotating shaft be provided with the mating surface of described bearing, described rotor and described in revolve the mating surface that becomes rotor corresponding respectively bearing guide section, rotor guide section and revolve and become rotor guide section, the radial dimension of described bearing guide section is less than the internal diameter of described bearing, the radial dimension of described rotor guide section is less than the radial dimension of the outline of the mating surface of described rotor, described in revolve the radial dimension that the radial dimension becoming rotor guide section is less than the outline revolving the mating surface becoming rotor.
9. a motor assembly, is characterized in that, comprising:
Motor according to any one of claim 1-8, one end of described motor is provided with first wire connecting portion of stretching out described housing;
PCB connecting plate, described PCB connecting plate is located at one end of described motor and described PCB connecting plate is provided with line bank; With
Controller, described controller is connected with one end of described motor, and one end of described controller is provided with the second wire connecting portion, and described first wire connecting portion and described second wire connecting portion are weldingly connected.
10. motor assembly according to claim 9, is characterized in that, described first wire connecting portion and the second wire connecting portion are respectively triple line copper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420430936.3U CN204103619U (en) | 2014-07-31 | 2014-07-31 | Motor and the motor assembly with this motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420430936.3U CN204103619U (en) | 2014-07-31 | 2014-07-31 | Motor and the motor assembly with this motor |
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| Publication Number | Publication Date |
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| CN204103619U true CN204103619U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420430936.3U Active CN204103619U (en) | 2014-07-31 | 2014-07-31 | Motor and the motor assembly with this motor |
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| CN (1) | CN204103619U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104917349A (en) * | 2015-07-08 | 2015-09-16 | 福建亚南电机有限公司 | Power-assisted steering high-efficiency high-reliability self-cooling permanent-magnet synchronous motor especially for new energy automobile |
| CN107529682A (en) * | 2017-07-18 | 2018-01-02 | 广州市昊志机电股份有限公司 | A kind of high-speed electric main shaft permagnetic synchronous motor of broad and constant power speed adjustable range |
-
2014
- 2014-07-31 CN CN201420430936.3U patent/CN204103619U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104917349A (en) * | 2015-07-08 | 2015-09-16 | 福建亚南电机有限公司 | Power-assisted steering high-efficiency high-reliability self-cooling permanent-magnet synchronous motor especially for new energy automobile |
| CN107529682A (en) * | 2017-07-18 | 2018-01-02 | 广州市昊志机电股份有限公司 | A kind of high-speed electric main shaft permagnetic synchronous motor of broad and constant power speed adjustable range |
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Effective date of registration: 20180706 Address after: 518118 3001 and 3007 BYD Road, Pingshan street, Pingshan New District, Shenzhen, Guangdong Patentee after: BYD AUTOMOBILE INDUSTRY CO., LTD. Address before: 518118 BYD Road, Pingshan New District, Shenzhen, Guangdong 3009 Patentee before: Biyadi Co., Ltd. |