CN211127334U - Motor cooling system, motor stator and disk motor - Google Patents
Motor cooling system, motor stator and disk motor Download PDFInfo
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- CN211127334U CN211127334U CN201922502607.0U CN201922502607U CN211127334U CN 211127334 U CN211127334 U CN 211127334U CN 201922502607 U CN201922502607 U CN 201922502607U CN 211127334 U CN211127334 U CN 211127334U
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Abstract
The utility model discloses a motor cooling system, a motor stator and a disc type motor, wherein the motor cooling system comprises an insulation cooling pipeline; the insulating cooling pipeline is arranged on the stator shell, the top surface of the insulating cooling pipeline is lower than or flush with the top surface of the stator core, and the bottom surface of the insulating cooling pipeline is in contact with a coil of the motor stator and used for cooling the coil; the top surface of the stator core is adapted to be positioned opposite the rotor so that the magnetic field generated by the coil interacts with the rotor permanent magnets. Since the outer bottom surface of the insulating cooling pipe is in contact with the coil of the motor stator, the cooling liquid in the insulating cooling pipe can cool the coil through heat conduction. The utility model discloses can realize avoiding the motor temperature rise to lead to burning out the motor to the coil cooling of motor.
Description
Technical Field
The utility model belongs to the technical field of the motor technique and specifically relates to a motor cooling system, motor stator and disc motor are related to.
Background
No matter the motor operates as a motor or a generator, energy loss can be generated in the coil, and the energy can cause the temperature of the motor to rise, and if the motor is not cooled, the motor can be burnt out and fail.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses a first purpose provides a motor cooling system, can realize avoiding the motor temperature rise to lead to burning out the motor to motor coil's cooling.
The second purpose of the utility model is to provide a motor stator;
a third object of the present invention is to provide a disc motor.
In order to achieve the first object, the present invention provides the following solutions:
a motor cooling system for cooling a motor stator includes an insulated cooling line;
the insulating cooling pipeline is arranged on the stator shell, the top surface of the insulating cooling pipeline is lower than or flush with the top surface of the stator core, and the bottom surface of the insulating cooling pipeline is in contact with a coil of the motor stator and used for cooling the coil;
the top surface of the stator core is arranged opposite to the rotor, so that the magnetic field generated by the coil can interact with the rotor permanent magnet.
In a particular embodiment, the insulated cooling circuit comprises a coil outer ring cooling circuit;
and the coil outer ring cooling pipeline is in contact with the outer ring of the coil and is used for cooling the outer ring of the coil.
In another specific embodiment, the insulated cooling tube further comprises a coil inner ring cooling conduit;
the coil inner ring cooling pipeline is in contact with the inner ring of the coil and used for cooling the inner ring of the coil.
In another specific embodiment, the insulated cooling circuit further comprises a coil intercooling circuit;
the two ends of the coil intermediate cooling pipeline are respectively communicated with the coil inner ring cooling pipeline and the coil outer ring cooling pipeline, and the coil intermediate cooling pipeline is contacted with the intermediate connecting edge of the coil to cool the intermediate connecting edge of the coil;
the middle connecting edge of the coil is a connecting edge for connecting the inner ring and the outer ring of the coil.
In another specific embodiment, the number of the coil intermediate cooling pipelines, the number of the coil inner ring cooling pipelines and the number of the coil outer ring cooling pipelines are all multiple;
the coil inner ring cooling pipelines and the coil outer ring cooling pipelines are arranged at intervals, each coil inner ring cooling pipeline is only contacted with the inner ring of one coil, and each coil outer ring cooling pipeline is only contacted with the outer ring of one coil;
two ends of the coil intermediate cooling pipeline are respectively communicated with one end of the coil inner ring cooling pipeline and one end of the coil outer ring cooling pipeline;
and/or
The insulating cooling pipeline is made of insulating ceramic or nylon;
and/or
The cross section of the insulating cooling pipeline is rectangular.
In another particular embodiment, the motor cooling system further comprises a core cooling channel;
the iron core cooling channel is arranged on the stator shell and located at the bottom of the stator iron core of the motor stator and used for cooling the stator iron core.
In another specific embodiment, the core cooling channels comprise a first outer channel, a second outer channel, and an inner channel;
the first outer channel and the second outer channel are arranged outside the inner channel in a surrounding mode, one end of the first outer channel is communicated with one end of the inner channel, and the other end of the first outer channel is an inlet end of the iron core cooling channel;
the other end of the inner channel is communicated with one end of the second outer channel, and the other end of the second outer channel is an outlet end of the iron core cooling channel;
and the inlet end and the outlet end of the iron core cooling channel are both arranged at the same side of the stator shell.
According to the utility model discloses an each embodiment can make up as required wantonly, and the embodiment that obtains after these combinations is also in the utility model discloses the scope is the utility model discloses a part of the concrete implementation mode.
In an embodiment of the present invention, the utility model discloses a when the motor cooling system is used, the circulating cooling liquid is respectively let in the insulating cooling pipeline. Since the outer bottom surface of the insulating cooling pipe is in contact with the coil of the motor stator, the cooling liquid in the insulating cooling pipe can cool the coil through heat conduction. The utility model discloses can realize avoiding the motor temperature rise to lead to burning out the motor to motor coil's cooling.
In addition, because the top surface of insulating cooling pipeline is less than or the top surface of parallel and level in stator core, consequently, can avoid the coolant liquid in the insulating cooling pipeline to influence the magnetic gap between electric motor rotor and electric motor stator.
In order to achieve the second objective, the present invention provides the following solutions:
a motor stator comprises a stator shell, an iron core and a coil, and further comprises a motor cooling system as described in any one of the above items;
one of the circumferential direction of the outer wall of the stator core and the circumferential direction of the inner wall of the stator shell is provided with a first positioning groove, the other one of the circumferential direction of the outer wall of the stator core and the circumferential direction of the inner wall of the stator shell is provided with a first positioning bulge matched with the first positioning groove, and the stator core is adhered in the stator shell;
the coil is embedded in an iron core slot of the stator iron core, and the top surface of the coil is lower than the top of the iron core slot.
In a particular embodiment, the motor stator further comprises a bearing chamber;
the bearing chamber is arranged in the stator shell and is coaxially arranged with the stator shell;
an outer circle mounting hole is formed in the top end of the stator shell, an inner circle mounting hole is formed in the top end of the bearing chamber, the outer wall of the insulating cooling pipeline is connected with the outer circle mounting hole through a screw, and the inner wall of the insulating cooling pipeline is connected with the inner circle mounting hole through a screw;
one of the circumferential direction of the inner wall of the stator core and the circumferential direction of the outer wall of the bearing chamber is provided with a second positioning groove, and the other is provided with a second positioning bulge matched with the second positioning groove;
and/or
The bottom surface of the insulating cooling pipeline is in contact with the top surface of the coil, and the top surface of the insulating cooling pipeline is flush with the top of the iron core groove.
Because the utility model provides a motor stator includes the motor cooling system in the above-mentioned arbitrary one, consequently, the utility model provides a motor cooling system has all is the utility model provides a motor stator contains.
In addition, because the locating slot is arranged on one of the circumferential direction of the outer wall of the iron core and the circumferential direction of the inner wall of the stator shell, and the locating protrusion matched with the locating slot is arranged on the other one, the iron core is convenient to locate and install and is prevented from rotating.
In order to achieve the third objective, the present invention provides the following solutions:
a disc motor comprising a motor stator as described above.
Because the utility model provides a disc motor includes the motor stator in the above-mentioned arbitrary one, consequently, the utility model provides a motor stator has beneficial effect all is the utility model provides a disc motor contains.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without any novelty.
Fig. 1 is a schematic structural diagram of a motor stator provided by the present invention;
fig. 2 is a schematic structural diagram of a stator housing of a motor stator provided by the present invention;
fig. 3 is a schematic structural diagram of an insulating cooling pipeline of the motor cooling system provided by the present invention;
fig. 4 is a schematic structural diagram of a coil of a motor stator provided by the present invention;
fig. 5 is a schematic structural diagram of an iron core of a motor stator provided by the present invention;
fig. 6 is a schematic structural diagram of the motor stator during cooling according to the present invention.
Wherein, in fig. 1-6:
the cooling structure comprises an iron core cooling channel 1, an insulating cooling pipeline 2, a stator shell 3, a stator iron core 4, a coil 5, a coil outer ring cooling pipeline 201, an outer ring 501, a coil inner ring cooling pipeline 202, an inner ring 502, a coil intermediate cooling pipeline 203, an intermediate connecting edge 503, a first outer channel 101, an inner channel 102, a first positioning groove 6, a first positioning bulge 7, a bearing chamber 8, an outer circle mounting hole 9, an inner circle mounting hole 10, a first extension block 11, a first mounting hole 12, a second extension block 13, a second mounting hole 14, a first sinking groove 15, a second sinking groove 16, a cooling liquid inlet pipe 17, a cooling liquid outlet pipe 18, a mounting surface 19, a second positioning groove 20, a second positioning bulge 21, a first partition wall 22, a second partition wall 23 and an arc-shaped wall 24.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to fig. 1 to 6 and the detailed description.
Example one
The utility model provides a motor cooling system for cooling motor stator. Wherein the motor cooling system comprises an insulated cooling circuit 2.
Insulating cooling pipeline 2 installs on stator housing 3, and the top surface of insulating cooling pipeline 2 is less than or the parallel and level in stator core 4's top surface, avoids the coolant liquid in the insulating cooling pipeline 2 to influence electric motor rotor and electric motor stator's magnetic gap. It should be noted that the top surface of the insulated cooling pipe 2 may be slightly higher than the top surface of the stator core 4.
The outer bottom surface of the insulating cooling pipe 2 is in contact with the coil 5 of the motor stator for cooling the coil 5. The insulating cooling pipe 2 is required to have good insulation and thermal conductivity, and to be non-magnetic and non-conductive. Specifically, the material may be made of ceramic, nylon, or the like.
The top surface of the stator core 4 is intended to be placed opposite the rotor so that the magnetic field generated by the coils 5 can interact with the rotor permanent magnets. The coil 5 is supplied with external alternating current, a magnetic field generated by the current acts on a rotor part of the motor through the conduction of the stator core 4 to drive the rotor to rotate, so that the conversion of electric energy to mechanical energy is realized, or the external rotating machine drives the rotor to rotate, and a rotor magnetic field acts on the coil 5 through the conduction of the stator core 4 and generates electric energy to realize the conversion of the mechanical energy to the electric energy.
The utility model discloses a when motor cooling system used, let in recirculated cooling liquid in 2 insulating cooling pipe way, because 5 contacts of the outer bottom surface of 2 insulating cooling pipe way and motor stator's coil, consequently, the coolant liquid in 2 insulating cooling pipe way can be through heat-conduction cooling coil 5. The utility model discloses can realize avoiding the motor temperature rise to lead to burning out the motor to the 5 coolings of coil of motor.
In addition, because the top surface of the inner wall of the insulating cooling pipeline 2 is lower than or flush with the top surface of the stator core 4, the influence of the cooling liquid in the insulating cooling pipeline 2 on the magnetic gap between the motor rotor and the motor stator can be avoided.
Example two
In the second embodiment, the structure of the motor cooling system in this embodiment is similar to that of the motor cooling system in the first embodiment, and the differences are introduced only for the same parts without being repeated.
In this embodiment, the utility model discloses an insulating cooling pipeline 2 includes coil outer lane cooling pipeline 201, coil outer lane cooling pipeline 201 and coil 5's outer lane 501 contact for the outer lane 501 of cooling coil 5. Specifically, the outer ring 501 of the coil 5 refers to the side of the coil 5 away from the axial center of the stator core 4.
In this embodiment, the utility model discloses an insulating cooling pipeline 2 includes coil inner circle cooling pipeline 202, and coil inner circle cooling pipeline 202 contacts with the inner circle 502 of coil 5 for the inner circle 502 of cooling coil 5. Specifically, the outer ring 501 of the coil 5 refers to the side of the coil 5 close to the axial center of the stator core 4.
It should be noted that the insulating cooling pipeline 2 may include only the coil outer ring cooling pipeline 201, only the coil inner ring cooling pipeline 202, or both the coil outer ring cooling pipeline 201 and the coil inner ring cooling pipeline 202. In the present embodiment, the insulating cooling pipeline 2 includes both the coil outer ring cooling pipeline 201 and the coil inner ring cooling pipeline 202 as an example.
Further, the utility model discloses an insulating cooling pipeline 2 still includes coil intermediate cooling pipeline 203, and coil inner circle cooling pipeline 201 and coil outer lane cooling pipeline 202 are switched on respectively at the both ends of coil intermediate cooling pipeline 203, and the contact of coil intermediate cooling pipeline 203 and coil 5's intermediate junction limit 503, and cooling coil 5's intermediate junction limit 503 further improves insulating cooling pipeline 2 cooling coil 5's efficiency. Specifically, the intermediate connecting side 503 of the coil 5 refers to a connecting side that connects the inner ring 502 and the outer ring 501 of the coil 5.
It should be noted that the coil intermediate cooling pipeline 203, the coil inner ring cooling pipeline 202, and the coil outer ring cooling pipeline 201 may be optionally conducted to form a circulation loop.
Further, the utility model discloses a number of coil intermediate cooling pipeline 203, coil inner circle cooling pipeline 202 and coil outer circle cooling pipeline 201 is a plurality ofly, coil inner circle cooling pipeline 202 and coil outer circle cooling pipeline 201 interval arrangement in proper order, and every coil inner circle cooling pipeline 202 only contacts the inner circle 502 of a coil 5, every coil outer circle cooling pipeline 201 only contacts the outer lane 501 of a coil 5, the both ends of coil intermediate cooling pipeline 203 switch on the one end of coil inner circle cooling pipeline 202 and the one end of coil outer circle cooling pipeline 201 respectively. The length of the coil outer ring cooling line 201 may be different, may be a length that can cover only the outer ring 501 of one coil 5, or may be a length that simultaneously cools the outer rings 501 of at least 2 coils 5 disposed adjacent to each other, and may be specifically set as necessary. The length of the coil inner ring cooling pipe 202 may be different, may be a length that can cover only one coil 5 inner ring 502, or may be a length that simultaneously cools at least 2 coils 5 inner rings 502 that are adjacently provided, and is specifically set as necessary.
In order to facilitate the realization of being connected of insulating cooling pipeline 2 and stator housing 3, the utility model discloses a seted up excircle mounting hole 9 on 3 tops of stator housing, interior circle mounting hole 10 has been seted up on the top of bearing room 8. The side of the coil inner ring cooling pipeline 202 close to the axis of the stator core 4 is provided with a first extension block 11, the first extension block 11 is provided with a first mounting hole 12, and a screw passes through the first mounting hole 12 and the inner circle mounting hole 10, so that the connection between the coil inner ring cooling pipeline 202 and the bearing chamber 8 is realized. The end of the coil middle cooling pipeline 203 connected with the coil inner ring cooling pipeline 202 extends in the direction away from the axis of the iron core to form a second extension block 13, a second mounting hole 14 is formed in the second extension block 13, and a screw penetrates through the second mounting hole 14 and the excircle mounting hole 9 to realize the connection of the coil middle cooling pipeline 203 and the stator housing 3. Specifically, the coil intermediate cooling pipe 203, the coil inner ring cooling pipe 202, and the coil outer ring cooling pipe 201 are integrally connected.
In order to avoid the leakage of the screw, the utility model discloses a first sinking groove 15 is arranged at the top end of the bearing chamber 8, an inner circle mounting hole 10 is arranged at the bottom of the first sinking groove 15, a first extending block 11 is arranged in the first sinking groove 15, and the nut of the screw is arranged in the first sinking groove 15; the top end of the stator shell 3 is provided with a second sinking groove 16, the excircle mounting hole 9 is arranged at the bottom of the second sinking groove 16, the second extending block 13 is arranged in the second sinking groove 16, and the nut of the screw is arranged in the second sinking groove 16.
Specifically, the utility model discloses an insulating cooling pipeline 2 is made for insulating ceramic or nylon, and it is required to explain, also can be that other insulating, corrosion-resistant, magnetic conduction and non-conductive material are not led to make.
In this embodiment, the insulating cooling pipe 2 is made of insulating ceramic. The deformation of the insulating cooling pipeline 2 does not exceed 0.1mm when the insulating cooling pipeline works at 180 ℃ for a long time, and the wall thickness of the insulating cooling pipeline 2 is between 0.5mm and 3 mm.
In order to increase the area of contact of insulating cooling pipeline 2 and coil 5, and then improve coil 5's cooling efficiency, the utility model discloses an insulating cooling pipeline 2's cross section is the rectangle, and insulating cooling pipeline 2 is the rectangular pipe promptly, also can be the pipe of other shapes such as trapezoidal pipe.
Further, the utility model discloses a motor cooling system still includes iron core cooling channel 1, specifically, iron core cooling channel 1 sets up on stator housing 3, is located motor stator's 4 bottoms of stator core for cooling stator core 4. Specifically, the core cooling channel 1 is a slot with an open top, and the shape of the trajectory line of the core cooling channel 1 is not limited, and may be circular arc, square, or the like, or may be formed by combining a plurality of different curves or straight lines, or the like. The stator housing 3 is further provided with a coolant inlet pipe 17 and a coolant outlet pipe 18 which are respectively connected to the outlet and the inlet of the core cooling passage 1 in a conducting manner. During the use, let in recirculated cooling liquid in with iron core cooling channel 1, because iron core cooling channel 1 sets up on stator housing 3, and is located motor stator's 4 bottoms of stator core, consequently, the coolant liquid in the iron core cooling channel 1 can take out the heat circulation that stator core 4 gave out, further reduces the risk that the motor temperature rise leads to burning out the motor.
Further, the present invention discloses that the core cooling channel 1 comprises a first outer channel 101, a second outer channel and an inner channel 102. The first outer channel 101 and the second outer channel are all arranged outside the inner channel 102 in a surrounding manner, one end of the first outer channel 101 is communicated with one end of the inner channel 102, and the other end of the first outer channel 101 is an inlet end of the core cooling channel 1. The other end of the inner channel 102 is connected to one end of a second outer channel, and the other end of the second outer channel is the outlet end of the core cooling channel 1. The inlet end and the outlet end of the iron core cooling channel 1 are both arranged on the same side of the stator shell. The mode of providing the first outer passage 101, the second outer passage, and the inner passage 102 increases the time of the coolant in the core cooling passage 1, and can sufficiently carry out the heat emitted from the stator core 4.
The number and shape of the first outer passages 101, the second outer passages, and the inner passages 102 are not limited, and may be any shape, for example, circular arc-shaped passages, linear passages, or the like.
Specifically, the utility model discloses a first outer passageway 101, second outer passageway and interior passageway 102 are the arc passageway, and the axial lead of first outer passageway 101, second outer passageway and interior passageway 102 all coincides.
Specifically, be provided with the bearing room 8 of installation bearing in the stator housing 3, the outer wall of bearing room 8 is connected with first partition wall 22 with the inner wall of stator housing 3, and first partition wall 22 cuts off the annular channel that bearing room 8 and stator housing 3 inner wall enclose and establish. The bottom is provided with arc wall 24 in stator housing 3, arc wall 24 is located annular channel, and arc wall 24's head and the tail are located the both ends of first partition wall 22 respectively, and arc wall 24's the outside is connected with second partition wall 23 with stator housing 3's inner wall, and second partition wall 23 separates the outside of arc wall 24 and encloses the passageway of establishing with stator housing 3's inner wall, and the entry and the export of iron core cooling channel 1 are located the both ends of second partition wall 23 respectively. The first outer passage 101 is surrounded by the second partition wall 23, the inner wall of the stator housing 3, the outer wall of the arc-shaped wall 24 (here, the length of the arc-shaped wall 24 from the side including the inlet of the core cooling passage 1 to the first partition wall 22), and the first partition wall 22. The inner passage 102 is defined by the inner wall of the arc-shaped wall 24, the outer wall of the bearing chamber 8 and the first partition wall 22. The first outer passage 101 is surrounded by the first partition wall 22, the inner wall of the stator housing 3, the outer wall of the arc-shaped wall 24 (here, the arc-shaped wall 24 extends from the exit side of the core cooling passage 1 to the length of the first partition wall 22), and the second partition wall 23.
EXAMPLE III
The utility model provides a motor stator, including stator housing 3, stator core 4, coil 5 and as in the above-mentioned motor cooling system in any one of the embodiments.
One of the outer wall circumference of the stator core 4 and the inner wall circumference of the stator housing 3 is provided with a first positioning groove 6, and the other is provided with a first positioning protrusion 7 matched with the first positioning groove 6.
Further, the utility model discloses a number of first constant head tank 6 and first location arch 7 is a plurality of to in this embodiment, to the first location arch 7 of outer wall week upward equipartition of stator core 4. First positioning grooves 6 are uniformly formed in the circumferential direction of the inner wall of the stator shell 3, for example, and the first positioning protrusions 7 are arranged in the first positioning grooves 6, so that the stator core 4 can be conveniently installed and positioned.
Specifically, stator core 4 sticks in stator housing 3, avoiding tapping on stator core 4 to cause magnetic leakage. Specifically, the stator core 4 is a hollow ring having a radiation slot along the circumference. The main function of the stator core 4 is to be magnetically conductive, i.e. to provide a flux path for the magnetic field generated in the coil. The stator core 4 is made of a metal composite material having magnetic permeability.
Further, the utility model also discloses motor stator still includes bearing chamber 8, and bearing chamber 8 is installed in stator housing 3, and sets up with the axle center with stator housing 3. Excircle mounting hole 9 has been seted up on the top of stator housing 3, and interior circle mounting hole 10 has been seted up on the top of bearing room 8, and the outer wall of insulating cooling pipeline 2 passes through the screw to be connected with excircle mounting hole 9, and the inner wall of insulating cooling pipeline 2 passes through the screw to be connected with interior circle mounting hole 10, the dismouting of insulating cooling pipeline 2 of being convenient for.
Further, the utility model discloses a second constant head tank 20 has been seted up in one of the inner wall circumference of stator core 4 and the outer wall circumference of bearing room 8, is provided with the protruding 21 of second location that agrees with second constant head tank 20 on the other.
Further, the utility model discloses a second constant head tank 20 and the protruding 21 number in second location are a plurality of to in this embodiment, set up second constant head tank 20 in stator core 4's the inner wall week. For example, the second positioning protrusions 21 are uniformly arranged on the outer wall of the bearing chamber 8 in the circumferential direction, and the second positioning protrusions 21 are arranged in the second positioning grooves 20, so that the stator core 4 can be conveniently installed and positioned.
When the motor stator disclosed by the utility model is assembled, firstly, the stator shell 3 is arranged on the horizontal mounting table top, and the opening is upward; then, putting the stator core 4 into a shell along the axial direction, and bonding the shell and the mounting surface 19 of the stator core 4 by glue; then, the coil 5 is embedded in the core slot of the stator core 4 along the axial direction; finally, the insulating cooling pipe 2 is assembled in the axial direction, and the insulating cooling pipe 2 is fixed to the stator housing 3 with screws through the outer circle mounting hole 9, the second mounting hole 14, the inner circle mounting hole 10, and the first mounting hole 12.
Because the utility model provides a motor stator includes the motor cooling system in an above-mentioned arbitrary embodiment, consequently, the utility model provides a motor cooling system has all is the utility model provides a motor stator contains.
In addition, because the first positioning groove 6 is arranged on one of the circumferential direction of the outer wall of the stator core 4 and the circumferential direction of the inner wall of the stator shell 3, the first positioning bulge 7 matched with the first positioning groove 6 is arranged on the other one, the second positioning groove 20 is arranged on one of the circumferential direction of the inner wall of the stator core 4 and the circumferential direction of the outer wall of the bearing chamber 8, and the second positioning bulge 21 matched with the second positioning groove 20 is arranged on the other one, the positioning installation of the core is facilitated, and the rotation of the core is prevented.
Example four
The utility model provides a disk motor, include the motor stator like above embodiment three.
Because the utility model provides a disc motor includes the motor stator in the third of above-mentioned embodiment, consequently, the utility model provides a motor stator has beneficial effect all is the utility model provides a disc motor contains.
It should be noted that the words used herein to indicate orientation, such as top, bottom, etc., are set forth in the orientation of fig. 1 for convenience of description only and do not have any other specific meaning.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in an article or device that comprises the element.
The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. A motor cooling system is used for cooling a motor stator and is characterized by comprising an insulating cooling pipeline;
the insulating cooling pipeline is arranged on the stator shell, the top surface of the insulating cooling pipeline is lower than or flush with the top surface of the stator core, and the bottom surface of the insulating cooling pipeline is in contact with a coil of the motor stator and used for cooling the coil;
the top surface of the stator core is arranged opposite to the rotor, so that the magnetic field generated by the coil can interact with the rotor permanent magnet.
2. The electric machine cooling system of claim 1, wherein the insulated cooling conduit comprises a coil outer ring cooling conduit;
and the coil outer ring cooling pipeline is in contact with the outer ring of the coil and is used for cooling the outer ring of the coil.
3. The electric machine cooling system of claim 2, wherein the insulated cooling circuit further comprises a coil inner ring cooling circuit;
the coil inner ring cooling pipeline is in contact with the inner ring of the coil and used for cooling the inner ring of the coil.
4. The electric machine cooling system of claim 3, wherein the insulated cooling circuit further comprises a coil intermediate cooling circuit;
the two ends of the coil intermediate cooling pipeline are respectively communicated with the coil inner ring cooling pipeline and the coil outer ring cooling pipeline, and the coil intermediate cooling pipeline is contacted with the intermediate connecting edge of the coil to cool the intermediate connecting edge of the coil;
the middle connecting edge of the coil is a connecting edge for connecting the inner ring and the outer ring of the coil.
5. The motor cooling system according to claim 4, wherein the number of the coil intermediate cooling lines, the number of the coil inner ring cooling lines, and the number of the coil outer ring cooling lines are plural;
the coil inner ring cooling pipelines and the coil outer ring cooling pipelines are arranged at intervals, each coil inner ring cooling pipeline is only contacted with the inner ring of one coil, and each coil outer ring cooling pipeline is only contacted with the outer ring of one coil;
two ends of the coil intermediate cooling pipeline are respectively communicated with one end of the coil inner ring cooling pipeline and one end of the coil outer ring cooling pipeline;
and/or
The insulating cooling pipeline is made of insulating ceramic or nylon;
and/or
The cross section of the insulating cooling pipeline is rectangular.
6. The electric machine cooling system of claim 1, further comprising a core cooling channel;
the iron core cooling channel is arranged on the stator shell and located at the bottom of the stator iron core of the motor stator and used for cooling the stator iron core.
7. The electric machine cooling system of claim 6, wherein the core cooling channel comprises a first outer channel, a second outer channel, and an inner channel;
the first outer channel and the second outer channel are arranged outside the inner channel in a surrounding mode, one end of the first outer channel is communicated with one end of the inner channel, and the other end of the first outer channel is an inlet end of the iron core cooling channel;
the other end of the inner channel is communicated with one end of the second outer channel, and the other end of the second outer channel is an outlet end of the iron core cooling channel;
and the inlet end and the outlet end of the iron core cooling channel are both arranged at the same side of the stator shell.
8. An electric machine stator comprising a stator housing, a stator core and a coil, characterized by further comprising an electric machine cooling system according to any one of claims 1-7;
one of the circumferential direction of the outer wall of the stator core and the circumferential direction of the inner wall of the stator shell is provided with a first positioning groove, the other one of the circumferential direction of the outer wall of the stator core and the circumferential direction of the inner wall of the stator shell is provided with a first positioning bulge matched with the first positioning groove, and the stator core is adhered in the stator shell;
the coil is embedded in an iron core slot of the stator iron core, and the top surface of the coil is lower than the top of the iron core slot.
9. The electric machine stator of claim 8, further comprising a bearing chamber;
the bearing chamber is arranged in the stator shell and is coaxially arranged with the stator shell;
an outer circle mounting hole is formed in the top end of the stator shell, an inner circle mounting hole is formed in the top end of the bearing chamber, the outer wall of the insulating cooling pipeline is connected with the outer circle mounting hole through a screw, and the inner wall of the insulating cooling pipeline is connected with the inner circle mounting hole through a screw;
one of the circumferential direction of the inner wall of the stator core and the circumferential direction of the outer wall of the bearing chamber is provided with a second positioning groove, and the other is provided with a second positioning bulge matched with the second positioning groove;
and/or
The bottom surface of the insulating cooling pipeline is in contact with the top surface of the coil, and the top surface of the insulating cooling pipeline is flush with the top of the iron core groove.
10. A disc motor comprising a motor stator as claimed in claim 8 or 9.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922502607.0U CN211127334U (en) | 2019-12-31 | 2019-12-31 | Motor cooling system, motor stator and disk motor |
| EP20909552.0A EP4087092A4 (en) | 2019-12-31 | 2020-09-11 | Motor cooling system, motor stator and disc motor |
| US17/624,800 US11990808B2 (en) | 2019-12-31 | 2020-09-11 | Motor cooling system, motor stator and disc motor |
| PCT/CN2020/114633 WO2021135374A1 (en) | 2019-12-31 | 2020-09-11 | Motor cooling system, motor stator and disc motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922502607.0U CN211127334U (en) | 2019-12-31 | 2019-12-31 | Motor cooling system, motor stator and disk motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211127334U true CN211127334U (en) | 2020-07-28 |
Family
ID=71706417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922502607.0U Active CN211127334U (en) | 2019-12-31 | 2019-12-31 | Motor cooling system, motor stator and disk motor |
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| Country | Link |
|---|---|
| CN (1) | CN211127334U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111682661A (en) * | 2020-06-08 | 2020-09-18 | 齐鲁工业大学 | Disk type motor based on dovetail slot wedge cooling system |
| CN111740517A (en) * | 2020-07-31 | 2020-10-02 | 江苏华力易电科技有限公司 | Rotor of disc type asynchronous motor and motor with same |
| CN111790793A (en) * | 2020-08-07 | 2020-10-20 | 浙江盘毂动力科技有限公司 | Disk motor, stator and cooling pipeline for cooling stator tooth space of axial magnetic field motor |
| CN111953096A (en) * | 2020-09-11 | 2020-11-17 | 浙江盘毂动力科技有限公司 | Axial magnetic field motor and cooling structure thereof |
| WO2021135374A1 (en) * | 2019-12-31 | 2021-07-08 | 浙江盘毂动力科技有限公司 | Motor cooling system, motor stator and disc motor |
| WO2022073549A1 (en) * | 2020-10-07 | 2022-04-14 | Schaeffler Technologies AG & Co. KG | Stator for axial flux motor having interlocking and frictional connection and axial flux motor in i-arrangement and direct line cooling |
| WO2022088527A1 (en) * | 2020-10-30 | 2022-05-05 | 上海盘毂动力科技股份有限公司 | Cooling structure for disc-type motor |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021135374A1 (en) * | 2019-12-31 | 2021-07-08 | 浙江盘毂动力科技有限公司 | Motor cooling system, motor stator and disc motor |
| US11990808B2 (en) | 2019-12-31 | 2024-05-21 | Zhejiang Pangood Power Technology Co., Ltd. | Motor cooling system, motor stator and disc motor |
| CN111682661A (en) * | 2020-06-08 | 2020-09-18 | 齐鲁工业大学 | Disk type motor based on dovetail slot wedge cooling system |
| CN111682661B (en) * | 2020-06-08 | 2021-12-24 | 齐鲁工业大学 | Disk type motor based on dovetail slot wedge cooling system |
| CN111740517A (en) * | 2020-07-31 | 2020-10-02 | 江苏华力易电科技有限公司 | Rotor of disc type asynchronous motor and motor with same |
| CN111790793A (en) * | 2020-08-07 | 2020-10-20 | 浙江盘毂动力科技有限公司 | Disk motor, stator and cooling pipeline for cooling stator tooth space of axial magnetic field motor |
| CN111953096A (en) * | 2020-09-11 | 2020-11-17 | 浙江盘毂动力科技有限公司 | Axial magnetic field motor and cooling structure thereof |
| WO2022073549A1 (en) * | 2020-10-07 | 2022-04-14 | Schaeffler Technologies AG & Co. KG | Stator for axial flux motor having interlocking and frictional connection and axial flux motor in i-arrangement and direct line cooling |
| WO2022088527A1 (en) * | 2020-10-30 | 2022-05-05 | 上海盘毂动力科技股份有限公司 | Cooling structure for disc-type motor |
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