CN208028668U - Motor, compressor and refrigeration equipment - Google Patents
Motor, compressor and refrigeration equipment Download PDFInfo
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- CN208028668U CN208028668U CN201820438718.2U CN201820438718U CN208028668U CN 208028668 U CN208028668 U CN 208028668U CN 201820438718 U CN201820438718 U CN 201820438718U CN 208028668 U CN208028668 U CN 208028668U
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Abstract
The utility model provides a kind of motor, compressor and refrigeration equipment, wherein motor includes：Stator core, the rotor hole that stator core is provided through, stator core includes being arranged alternately and multiple first stator tooths that quantity is equal and multiple second stator tooths, the maximum facewidth of second stator tooth is less than the minimum facewidth of the first stator tooth, and the width of the tooth root of the second stator tooth is more than the width of the tooth top of the second stator tooth；Stator winding, around the home on the first stator tooth；Rotor is arranged in rotor hole.Motor provided by the utility model, width by the way that the structure of the second stator tooth to be set as to tooth root is more than the width of tooth top, so that the gap at the tooth top of the second stator tooth between the first stator tooth increases, and then it can be with the stator winding of winding more multi-coil, to improve the efficiency of motor, the high power density for realizing motor, reduces the manufacturing cost of motor.
Description
Technical field
The utility model is related to technical field of motors, in particular to a kind of motor, compressor and refrigeration equipment.
Background technology
Permanent magnet synchronous motor uses concentrating winding group, each coil of concentratred winding motor to be wound on a stator tooth at present
On, the tip lengths of winding and the axial length of motor are shortened, copper consumption is reduced, reduce total copper loss of motor, in turn
Improve the efficiency of motor.It concentrates the slot number that volume commonly uses to match and is combined into 6 slot, 4 pole, 9 slot, 6 pole, 12 slot, 8 pole (as shown in Figure 1),
The winding coefficient of motor is 0.866, and the winding coefficient for being distributed 18 slot of volume, 6 pole is 1, but 18 slot of distribution volume, 6 extreme portions are high, use copper
Amount is big, and copper wire utilization rate reduces.Therefore, in order to further increase copper wire utilization rate, the feature for keeping concentrating winding group end low,
It needs to improve winding coefficient.The concentration volume slot number of high winding coefficient is combined with 9 slot, 8 pole, winding coefficient 0.945, but exists not
Magnetic pull problem is balanced, bearing uneven wear can be caused.Therefore, it is necessary to for improve winding coefficient new stator structure and
The fit structure for how further increasing motor working efficiency is studied.
Utility model content
At least one in order to solve the above-mentioned technical problem, the embodiment of the first aspect of the utility model proposes a kind of electricity
Machine.
A kind of second aspect embodiment of the utility model, it is also proposed that compressor.
A kind of third aspect embodiment of the utility model, it is also proposed that refrigeration equipment.
In view of this, the embodiment of first aspect according to the present utility model, the utility model proposes a kind of motor, packets
It includes：Stator core, the rotor hole that stator core is provided through, stator core include being arranged alternately and quantity is equal multiple
One stator tooth and multiple second stator tooths, the maximum facewidth of the second stator tooth are less than the minimum facewidth of the first stator tooth, and second is fixed
The width of the tooth root of sub- tooth is more than the width of the tooth top of the second stator tooth；Stator winding, around the home on the first stator tooth；Rotor,
It is arranged in rotor hole.
Motor provided by the utility model, by be arranged alternately successively on stator core multiple first stator tooths of setting and
Second stator tooth, and by the structure of the second stator tooth be set as tooth root width be more than tooth top width so that the second stator tooth
Tooth top at gap between the first stator tooth increase, and then can be with the stator winding of winding more multi-coil, to improve electricity
The efficiency of machine realizes the high power density of motor, reduces the manufacturing cost of motor；Wherein, copper wire can be used in stator winding, passes through
Above structure, in identical the number of turns, thicker electric wire can be used in winding wire diameter, and winding cross section product becomes larger, and resistance declines, electricity
Engine efficiency improves, while current density declines, and is keeping current density identical, the electric current bigger being passed through, output turns
Square becomes larger, to improve the power density of motor.
In addition, the maximum facewidth of the second stator tooth is less than the minimum facewidth of the first stator tooth, the first stator tooth therein
The facewidth can be constant, or variation.
In addition, the motor in above-described embodiment provided by the utility model can also have following additional technical feature：
In the above-mentioned technical solutions, it is preferable that the width of the tooth top of the width of the tooth root of the second stator tooth and the second stator tooth
The difference of degree is more than or equal to 0.5mm and is less than or equal to 5mm.
In the technical scheme, the width of the tooth root of the second stator tooth and the difference of the width of the tooth top of the second stator tooth are big
In equal to 0.5mm and be less than or equal to 5mm, usually, the width of tooth root to the tooth top of the second stator tooth is gradually reduced, two width it
Between difference preferably be 2mm or 3mm, in order to stator core manufacture and ensure the enough intensity of the second stator tooth itself.
In any of the above-described technical solution, it is preferable that the gap shape between adjacent the first stator tooth and the second stator tooth
At slot for winding, the width of the notch towards rotor of slot for winding is more than or equal to 1mm and is less than or equal to 4mm.
In the technical scheme, the gap between adjacent the first stator tooth and the second stator tooth forms slot for winding, winding
The width of the notch towards rotor of slot is more than or equal to 1mm and is less than or equal to 4mm, in order in the tooth top close to the first stator tooth
The stator winding of portion's winding more multi-coil realizes the high power density of motor to improve the efficiency of motor, reduces the system of motor
Cause this.Wherein, the width of notch is preferably 3.2mm, in order to coiling.
In any of the above-described technical solution, it is preferable that center of circle central symmetry of the stator core about rotor hole.
In the technical scheme, stator core about the center of circle central symmetry of rotor hole in order to the magnetic field that is generated by stator
It is uniformly distributed, and then improves the working efficiency of motor.
In any of the above-described technical solution, it is preferable that the pitch of stator winding is equal to the pole span of motor.
In the technical scheme, the winding coefficient of motor be equal to motor breadth coefficient and pitch percent product, pass through by
The pitch of stator winding is equal to the pole span of motor so that the pitch percent of motor is equal to 1, to improve the winding of motor
Coefficient, and then improve the working efficiency of motor.
In any of the above-described technical solution, it is preferable that the width of the tooth top of the first stator tooth is equal to the pole span of motor.
In the technical scheme, the width of the tooth top of the first stator tooth is equal to the pole span of motor, by by the first stator tooth
The width design of tooth top be adjusted to the size of pole span, can further increase the improvement effect of motor torque.
In any of the above-described technical solution, it is preferable that the pitch of stator winding be the first stator tooth tooth top both ends with
The angle of the line in the center of circle of rotor hole；The pole span edge of motor is by angle shared on the circumference in the center of circle of the center of circle of rotor hole
The ratio of 180 degree and the number of pole-pairs of motor.
In the technical scheme, using the angle of the line at the both ends of the tooth top of the first stator tooth and the center of circle of rotor hole as
The pitch of stator winding indicates with angle and limits the pitch of stator winding, alternatively, it is also possible to by the slot of the first stator tooth both sides
Mouthful midpoint and rotor hole the center of circle line pitch of the angle as stator winding, the pitch of raising for stator winding
Calculated value is more matched with rotor magnet；The pole span of motor can also angle indicate, specifically, can be by the pole span of motor along to turn
The center of circle of sub-aperture is the pole span of ratio that angle shared on the circumference in the center of circle is 180 degree and the number of pole-pairs of motor as motor.
In any of the above-described technical solution, it is preferable that motor is permanent magnet synchronous motor；And/or laminating stator iron core or turn
The thickness of the silicon steel plate of the rotor core of son is more than or equal to 0.3mm and is less than or equal to 0.5mm.
In the technical scheme, above-mentioned motor is permanent magnet synchronous motor, the wherein rotor core of stator core or rotor
It is stacked by silicon steel plate, the thickness of silicon steel plate is more than or equal to 0.3mm and is less than or equal to 0.5mm, in order to stator core and turns
The manufacture of sub- iron core.
In any of the above-described technical solution, it is preferable that the magnet slot of rotor is V-shape or "-" type, the rotor magnetic of rotor
Iron is arranged in magnet slot, and rotor magnet is adapted with magnet slot；And/or the rotor magnet of rotor be rare-earth Nd-Fe-B magnet or
Ferrite lattice.
In the technical scheme, the magnet slot of rotor is that V-shape or "-" type are accordingly set in magnet slot and turn
Sub- magnet is alternatively V-shape or "-" type, and wherein the magnet slot and rotor magnet of "-" type convenient for manufacture and are installed, and V-shape
Magnet slot and rotor magnet be conducive to further improve torque and the working efficiency of motor；Wherein, the rotor magnet of rotor
It is chosen as rare-earth Nd-Fe-B magnet or ferrite lattice, in order to ensure the efficient long-acting of rotor magnet, to improve motor
Torque and working efficiency, and make motor power density improve, be advantageously implemented motor miniaturization.
The compressor that the embodiment of the utility model second aspect provides, including：The motor of first aspect embodiment.
Compressor provided by the utility model, by using above-mentioned motor, to its whole beneficial technology
Effect, while the working efficiency of compressor can be effectively improved, and reduce its operating power consumption.
The refrigeration equipment that the embodiment of the utility model third aspect provides, including：The motor of first aspect embodiment or
The compressor of second aspect embodiment.
Refrigeration equipment provided by the utility model, by using above-mentioned motor or compressor, to its whole
Beneficial technique effect, while the working efficiency of refrigeration equipment can be effectively improved, and reduce its operating power consumption.
The additional aspect and advantage of the utility model will become apparent in following description section, or new by this practicality
The practice of type is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination following accompanying drawings to embodiment
Become apparent and is readily appreciated that, wherein：
Fig. 1 is a kind of structural schematic diagram of motor in the prior art；
Fig. 2 is a kind of structural schematic diagram of embodiment of the utility model；
Fig. 3 is the winding connecting structure schematic diagram of motor shown in Fig. 2；
Fig. 4 is the schematic diagram of motor shown in Fig. 3 and Emulation of Electrical Machinery non-loaded line counter potential waveform shown in Fig. 1；
Fig. 5 is the schematic diagram of motor shown in Fig. 3 and electric efficiency under the actual measurement different loads of motor shown in Fig. 1.
Wherein, the correspondence in Fig. 2 between reference numeral and component names is：
1 stator core, 102 first stator tooths, 104 second stator tooths, 106 slot for windings, 2 stator winding, 3 rotors, 302 magnetic
Metal trough, 304 rotor magnets.
Specific implementation mode
In order to be more clearly understood that the above objects, features, and advantages of the utility model, below in conjunction with the accompanying drawings and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
Novel to be implemented different from other modes described here using other, therefore, the scope of protection of the utility model is simultaneously
It is not limited by following public specific embodiment.
Referring to Fig. 2 to Fig. 5 descriptions according to the motor described in the utility model some embodiments.
As shown in Figures 2 and 3, the utility model provides a kind of motor, including：Stator core 1, stator core 1 are arranged
There are perforative rotor hole, stator core 1 to determine including multiple first stator tooths 102 and multiple second being arranged alternately and quantity is equal
Sub- tooth 104, the maximum facewidth of the second stator tooth 104 are less than the minimum facewidth of the first stator tooth 102, the tooth of the second stator tooth 104
The width of root is more than the width of the tooth top of the second stator tooth 104；Stator winding 2, around the home on the first stator tooth 102；Rotor 3,
It is arranged in rotor hole.
Motor provided by the utility model, by being arranged alternately multiple first stator tooths of setting successively on stator core 1
102 and second stator tooth 104, and the width that the structure of the second stator tooth 104 is set as to tooth root is more than the width of tooth top so that
Gap at the tooth top of second stator tooth 104 between the first stator tooth 102 increases, and then can be with the stator of winding more multi-coil
Winding 2 realizes the high power density of motor to improve the efficiency of motor, reduces the manufacturing cost of motor；Wherein, stator around
Copper wire can be used in group 2, and by above structure, in identical the number of turns, thicker electric wire, winding cross section can be used in winding wire diameter
Product becomes larger, and resistance declines, and electric efficiency improves, while current density declines, and is keeping current density identical, is being passed through
Electric current bigger, output torque becomes larger, to improve the power density of motor.
In addition, the maximum facewidth of the second stator tooth 104 is less than the minimum facewidth of the first stator tooth 102, therein first is fixed
The facewidth of sub- tooth 102 can be constant, or variation.Wherein, the quantity of the first stator tooth 102 is equal to the second stator
The quantity of tooth 104, the preferable multiple for being 3 of the quantity of the two, such as 6 or 9 etc..
In one embodiment of the utility model, it is preferable that as shown in Fig. 2, the width of the tooth root of the second stator tooth 104
It is more than or equal to 0.5mm with the difference of the width of the tooth top of the second stator tooth 104 and is less than or equal to 5mm.
In this embodiment, the difference of the width of the tooth top of the width of the tooth root of the second stator tooth 104 and the second stator tooth 104
Value is more than or equal to 0.5mm and is less than or equal to 5mm, and usually, the width of tooth root to the tooth top of the second stator tooth 104 is gradually reduced,
Difference between two width is preferably 2mm or 3mm, the manufacture in order to stator core 1 and guarantee the second stator tooth 104 itself
Enough intensity.
In one embodiment of the utility model, it is preferable that as shown in Fig. 2, the first adjacent stator tooth 102 and second
Gap between stator tooth 104 forms slot for winding 106, and the width of the notch towards rotor 3 of slot for winding 106 is more than or equal to 1mm
And it is less than or equal to 4mm.
In this embodiment, the gap between adjacent the first stator tooth 102 and the second stator tooth 104 forms slot for winding
106, the width of the notch towards rotor 3 of slot for winding 106 is more than or equal to 1mm and is less than or equal to 4mm, in order to close to first
The stator winding 2 of the tooth crest winding more multi-coil of stator tooth 102 realizes the high power of motor to improve the efficiency of motor
Density reduces the manufacturing cost of motor.Wherein, the width of notch is preferably 3.2mm, in order to coiling.
In one embodiment of the utility model, it is preferable that as shown in Fig. 2, the center of circle of the stator core 1 about rotor hole
Central symmetry.
In this embodiment, stator core 1 about the center of circle central symmetry of rotor hole in order to the magnetic field that is generated by stator
It is uniformly distributed, and then improves the working efficiency of motor.
In one embodiment of the utility model, it is preferable that as shown in Fig. 2, the pitch of stator winding 2 is equal to motor
Pole span.
In this embodiment, the winding coefficient of motor is equal to the product of motor breadth coefficient and pitch percent, by that will determine
The pitch of sub- winding 2 is equal to the pole span of motor so that the pitch percent of motor is equal to 1, to improve the winding of motor
Coefficient, and then improve the working efficiency of motor.
In one embodiment of the utility model, it is preferable that as shown in Fig. 2, the width of the tooth top of the first stator tooth 102
Equal to the pole span of motor.
In this embodiment, the width of the tooth top of the first stator tooth 102 is equal to the pole span of motor, by by the first stator tooth
The width design of 102 tooth top is adjusted to the size of pole span, can further increase the improvement effect of motor torque.
In one embodiment of the utility model, it is preferable that as shown in Fig. 2, the pitch of stator winding 2 is the first stator
The angle of the line at the both ends of the tooth top of tooth 102 and the center of circle of rotor hole；The pole span of motor is along using the center of circle of rotor hole as the center of circle
Circumference on shared angle be 180 degree and the number of pole-pairs of motor ratio.
In this embodiment, the angle of the line at the both ends of the tooth top of the first stator tooth 102 and the center of circle of rotor hole is made
For the pitch of stator winding 2, the pitch of stator winding 2 is indicated and limited with angle, alternatively, it is also possible to by the first stator tooth 102
Pitch of the angle of the line at the midpoint of the notch of both sides and the center of circle of rotor hole as stator winding 2, improve for stator around
The calculated value of the pitch of group 2 is more matched with rotor magnet 304；The pole span of motor can also angle indicate, specifically, can will be electric
The pole span of machine is made along by the ratio that angle shared on the circumference in the center of circle is 180 degree and the number of pole-pairs of motor of the center of circle of rotor hole
For the pole span of motor.
In one embodiment of the utility model, it is preferable that motor is permanent magnet synchronous motor；And/or laminating stator iron
The thickness of the silicon steel plate of the rotor core of core 1 or rotor 3 is more than or equal to 0.3mm and is less than or equal to 0.5mm.
In this embodiment, above-mentioned motor is permanent magnet synchronous motor, the wherein rotor core of stator core 1 or rotor 3
It is stacked by silicon steel plate, the thickness of silicon steel plate is more than or equal to 0.3mm and is less than or equal to 0.5mm, in order to stator core 1 and turns
The thickness of the manufacture of sub- iron core, silicon steel plate is preferably 0.3mm.
In one embodiment of the utility model, it is preferable that as shown in Fig. 2, the magnet slot 302 of rotor 3 be V-shape or
The rotor magnet 304 of "-" type, rotor 3 is arranged in magnet slot 302, and rotor magnet 304 is adapted with magnet slot 302；And/or
The rotor magnet 304 of rotor 3 is rare-earth Nd-Fe-B magnet or ferrite lattice.
In this embodiment, the magnet slot 302 of rotor 3 is that V-shape or "-" type are accordingly set in magnet slot 302
Rotor magnet 304 or V-shape or "-" type, wherein the magnet slot 302 and rotor magnet 304 of "-" type convenient for manufacture and
Installation, and the magnet slot 302 of V-shape and rotor magnet 304 are conducive to further improve torque and the working efficiency of motor；Its
In, the rotor magnet 304 of rotor 3 is chosen as rare-earth Nd-Fe-B magnet or ferrite lattice, in order to ensure rotor magnet 304
Efficient long-acting, to improve motor torque and working efficiency, and make motor power density improve, be advantageously implemented
Motor minimizes.
In one embodiment of the utility model, it is preferable that as shown in Figures 2 and 3, the first stator tooth 102 in stator
Quantity with the second stator tooth 104 is 6, and the two quantity is 3 multiple, and multiple slot for windings 106 are in rotor hole is in
Heart symmetrical expression is arranged, wherein setting stator rabbet to 3.2mm, is conducive to coiling.
Wherein it is possible to using the line in the notch midpoint of slot for winding 106 and the center of circle of rotor hole as boundary line computation first
Stator tooth 102 and the second stator tooth 104 circumferentially shared angle, wherein circumferentially shared angle, θ 1 is the first stator tooth 102
45 degree, circumferentially shared angle, θ 2 is 15 degree to the second stator tooth 104, wherein θ 1 is more than θ 2, the first stator tooth 102 circumferentially institute
The angle, θ 1 accounted for is equal to 3 one magnetic poles of rotor circumferentially shared angle, and the even number of pole-pairs of motor is p=4, meets θ 1=
360/2p=45 degree.
Wherein, 104 trapezoidal structure of the second stator tooth, the second stator tooth 104 are the facewidth setting such as not and far from rotor hole
Center of circle end facewidth bigger, close to rotor hole center of circle end the facewidth be L1, second center of circle of the stator tooth 104 far from rotor hole
The facewidth at end is L2, and meets 0.5mm≤L2-L1≤5mm, under the premise of the second stator tooth of guarantee 104 is sufficiently rigid, is made
It obtains slot for winding 106 close to the space at center of circle end to become larger, 106 area of slot for winding becomes larger, and is conducive to slot bottom coiling so that motor can
To place more copper wire, in identical the number of turns, winding wire diameter is thicker, and winding cross section product becomes larger, and resistance declines, motor effect
Rate improves；Current density declines, and in the case of keeping current density identical, the electric current that is passed through can be with bigger, and then output torque
Become larger, the power density of motor improves.
Wherein, the first stator tooth 102 such as is at the facewidth setting, and stator winding 2 is around the home on the first stator tooth 102, in Fig. 2
Stator winding 2 is concentratred winding, and it is a coil group that one extremely lower, and therefore, the motor breadth coefficient Kd1 of the utility model is 1；
One pitch y for extremely descending 2 coil of stator winding is the first stator tooth 102 circumferentially shared 45 degree of angle, the pole span edge of motor
Angle shared by circumferential direction is τ=360/2p=45 degree, the pitch percent of the utility model motor be Kp1=sin (y*90/ τ)=
1.Therefore, the winding coefficient of motor is Kdp=Kd1*Kp1=1, so that the utility model realizes the winding coefficient for concentrating volume
Reach maximum value 1.
Alternatively, in the utility model another embodiment, the cooperation of motor slot number is 12 slot, 10 pole, including 6 first fixed
Sub- tooth 102 and 6 the second stator tooths 104, can make the θ 1=36 degree in the embodiment, θ 2=24 degree, 6 coil windings rotating around
It sets on the first stator tooth 102, can equally so that the winding coefficient rolled up is concentrated to reach maximum value 1.
In addition, in fig. 2, rotor 3 is using " V " font magnet slot 302, the high rare-earth Nd-Fe-B magnetic of the preferred magnetic property of magnet
Iron so that the power density of motor improves, and is advantageously implemented motor miniaturization.
Fig. 1 is the structural schematic diagram for using 12 slot, 8 pole motor in the related technology, winding coefficient 0.866.It is keeping scheming
The winding total number of turns of 12 slot, 8 pole and the utility model new motor structure, 3 structure unanimous circumstances of rotor in embodiment shown in 1
Under, obtain the emulation non-loaded line back-emf wave of new motor structure shown in the utility model Fig. 2 shown in Fig. 4 and motor shown in Fig. 1
Shape, winding back emf coefficient is 33.7V/krpm in Fig. 1, the winding back emf coefficient 39.2V/krpm of the utility model in Fig. 2,
The back-emf of the utility model motor improves about 16.3% compared to conventional example, can effectively improve the working efficiency of motor.Meanwhile
Above-mentioned the two is to obtain identical power output, and copper wire dosage can reduce about 50 grams in the utility model, motor cost drop
Low about 2.5 yuan.
The winding coefficient of motor improves, and the copper loss of motor reduces so that electric efficiency improves, and Fig. 5 is the utility model Fig. 2
The schematic diagram of shown new motor structure and electric efficiency under the actual measurement different loads of motor shown in FIG. 1, wherein in rotating speed
Under conditions of 1800rpm, torque 1.2N.m and 1.46N.m, the electric efficiency absolute value of the motor of the utility model improves
0.5%, it is thus effectively improved the working efficiency of motor, and help to reduce the power consumption of motor.
The motor that the embodiments of the present invention are provided can be permanent magnet synchronous motor, and improve permanent magnet synchronous electric
The winding coefficient of machine realizes that the winding coefficient for concentrating volume reaches maximum value 1, to improve the utilization rate of electric efficiency and copper wire,
The high power density of motor is realized, while can also reduce the dosage of copper wire, reduces motor cost.
The utility model additionally provides a kind of compressor, including：The motor of first aspect embodiment.
Compressor provided by the utility model, by using above-mentioned motor, to its whole beneficial technology
Effect, while the working efficiency of compressor can be effectively improved, and reduce its operating power consumption.
The utility model additionally provides a kind of refrigeration equipment, including：The motor or second aspect of first aspect embodiment are real
Apply the compressor of example.
Refrigeration equipment provided by the utility model, by using above-mentioned motor or compressor, to its whole
Beneficial technique effect, while the working efficiency of refrigeration equipment can be effectively improved, and reduce its operating power consumption.
In the present invention, term " multiple " then refers to two or more, unless otherwise restricted clearly.Term
The terms such as " installation ", " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be a fixed connection,
Can be detachably connected, or be integrally connected；" connected " can be directly connected, and can also pass through the indirect phase of intermediary
Even.For the ordinary skill in the art, it can understand above-mentioned term in the present invention as the case may be
Concrete meaning.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model
In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment
Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiments or example
In can be combined in any suitable manner.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (11)
1. a kind of motor, which is characterized in that including：
Stator core, the rotor hole that the stator core is provided through, the stator core include being arranged alternately and quantity phase
Deng multiple first stator tooths and multiple second stator tooths, the maximum facewidth of second stator tooth be less than first stator tooth
The minimum facewidth, the width of the tooth root of second stator tooth is more than the width of the tooth top of second stator tooth；
Stator winding, around the home on first stator tooth；
Rotor is arranged in the rotor hole.
2. motor according to claim 1, which is characterized in that
The width of the tooth root of second stator tooth and the difference of the width of the tooth top of second stator tooth are more than or equal to 0.5mm
And it is less than or equal to 5mm.
3. motor according to claim 1, which is characterized in that
Gap between adjacent first stator tooth and second stator tooth forms slot for winding, the direction of the slot for winding
The width of the notch of the rotor is more than or equal to 1mm and is less than or equal to 4mm.
4. motor according to claim 1, which is characterized in that
Center of circle central symmetry of the stator core about the rotor hole.
5. motor according to any one of claim 1 to 4, which is characterized in that
The pitch of the stator winding is equal to the pole span of the motor.
6. motor according to claim 5, which is characterized in that
The width of the tooth top of first stator tooth is equal to the pole span of the motor.
7. motor according to claim 5, which is characterized in that
The pitch of the stator winding is the both ends of the tooth top of first stator tooth and the line in the center of circle of the rotor hole
Angle；
The pole span edge of the motor is 180 degree and the electricity by angle shared on the circumference in the center of circle of the center of circle of the rotor hole
The ratio of the number of pole-pairs of machine.
8. motor according to any one of claim 1 to 4, which is characterized in that
The motor is permanent magnet synchronous motor；And/or
The thickness for laminating the silicon steel plate of the rotor core of the stator core or the rotor is more than or equal to 0.3mm and is less than or equal to
0.5mm。
9. motor according to any one of claim 1 to 4, which is characterized in that
The magnet slot of the rotor is V-shape or "-" type, and the rotor magnet of the rotor is arranged in the magnet slot, described
Rotor magnet is adapted with the magnet slot；And/or
The rotor magnet of the rotor is rare-earth Nd-Fe-B magnet or ferrite lattice.
10. a kind of compressor, which is characterized in that including：
Motor as claimed in any one of claims 1-9 wherein.
11. a kind of refrigeration equipment, which is characterized in that including：
Motor as claimed in any one of claims 1-9 wherein；Or
Compressor as claimed in claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820438718.2U CN208028668U (en) | 2018-03-29 | 2018-03-29 | Motor, compressor and refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820438718.2U CN208028668U (en) | 2018-03-29 | 2018-03-29 | Motor, compressor and refrigeration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208028668U true CN208028668U (en) | 2018-10-30 |
Family
ID=63909769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820438718.2U Withdrawn - After Issue CN208028668U (en) | 2018-03-29 | 2018-03-29 | Motor, compressor and refrigeration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208028668U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233565A (en) * | 2018-03-29 | 2018-06-29 | 广东美芝制冷设备有限公司 | Motor, compressor and refrigeration equipment |
-
2018
- 2018-03-29 CN CN201820438718.2U patent/CN208028668U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233565A (en) * | 2018-03-29 | 2018-06-29 | 广东美芝制冷设备有限公司 | Motor, compressor and refrigeration equipment |
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Granted publication date: 20181030 Effective date of abandoning: 20200605 |
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| AV01 | Patent right actively abandoned |