CN213879564U - Motor with iron core heat dissipation - Google Patents
Motor with iron core heat dissipation Download PDFInfo
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- CN213879564U CN213879564U CN202022964915.8U CN202022964915U CN213879564U CN 213879564 U CN213879564 U CN 213879564U CN 202022964915 U CN202022964915 U CN 202022964915U CN 213879564 U CN213879564 U CN 213879564U
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- heat dissipation
- iron core
- core heat
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Abstract
The utility model provides a motor with iron core heat radiation, which comprises a shell; the stator assembly is fixed in the shell and comprises an iron core and tooth parts, wherein a plurality of tooth parts are fixed on one side of the iron core and are annularly arranged; the rotor assembly is rotatably arranged in the shell and is relatively fixed with the stator assembly; the heat dissipation assembly comprises an iron core heat dissipation member, the two ends of the iron core heat dissipation member are respectively provided with an iron core heat absorption part and an iron core heat dissipation part, the iron core heat absorption part and the iron core are relatively fixed, the iron core heat dissipation part is located outside the shell, and the iron core heat dissipation member is in direct contact with the iron core, so that the heat dissipation performance of the iron core is effectively improved. And the iron core heat dissipation part is simple in structure and convenient to machine and form, and the cooling fan acts on the iron core heat dissipation part, so that the heat dissipation performance is further improved.
Description
Technical Field
The utility model relates to the field of electric machines, especially, relate to a motor with iron core heat dissipation.
Background
The motor is an electromagnetic device which realizes electric energy conversion or transmission according to the electromagnetic induction law, and the motor is mainly used for generating driving torque and serving as a power source of electric appliances or various machines. At present the motor can produce the loss as power supply motion in-process to release with thermal form, main loss includes copper loss and iron loss, wherein the copper loss is also called ohm consume, specifically indicate the copper winding produces the loss because ohmic resistance in the motor, the iron loss divide into hysteresis loss and eddy current loss, it is visible, the main loss of motor parts that generate heat are coil winding and stator core, in addition, the heat that the motor produced in the course of the work if can't in time spill and cause and pile up, will cause harmful effects to the insulation life of motor, magnetic material performance, damage the motor even.
However, the conventional motor adopts an external heat dissipation manner, i.e., the heat dissipation medium cannot be in direct contact with the heat generating component, so that the heat dissipation efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an effectively promote radiating performance has radiating motor of iron core.
A motor with iron core heat dissipation, comprising:
a housing;
the stator assembly is fixed in the shell and comprises an iron core and tooth parts, wherein a plurality of tooth parts are fixed on one side of the iron core and are annularly arranged;
the rotor assembly is rotatably arranged in the shell and is relatively fixed with the stator assembly;
the heat dissipation assembly comprises an iron core heat dissipation member, two ends of the iron core heat dissipation member are respectively provided with an iron core heat absorption part and an iron core heat dissipation part, the iron core heat absorption part and the iron core are fixed relatively, and the iron core heat dissipation part is located outside the shell.
Optionally, the core heat sink is located on a side of the core facing away from the teeth.
Optionally, the housing includes a first end cap, a second end cap and a housing, the first end cap and the second end cap are respectively fixed to two sides of the housing, and the housing is used for the iron core heat dissipation part to penetrate out.
Optionally, the iron core heat dissipation device further comprises a cooling fan, wherein the cooling fan is installed on one side, away from the housing, of the first end cover, a plurality of first heat dissipation holes are formed in the first end cover, and the first heat dissipation holes are respectively opposite to the iron core heat dissipation part, so that the cooling fan can dissipate heat of the iron core heat dissipation part.
Optionally, the second end cap is provided with a plurality of second heat dissipation holes, and the second heat dissipation holes are respectively opposite to the iron core heat dissipation part.
Optionally, the housing is externally provided with a plurality of heat dissipating fins.
Optionally, the rotor assembly includes a rotor plate and a rotor shaft, the stator assembly is sleeved on the rotor shaft, and the rotor shaft is in transmission connection with the cooling fan through the first end cover
Optionally, the number of the stator assemblies is two, and the stator assemblies are located on two sides of the rotor plate.
Optionally, the number of the cover shells is two, and each stator assembly corresponds to one cover shell.
Optionally, the cooling fan further comprises a protective cover fixed to a side of the first end cap facing away from the housing, so that the cooling fan is located between the protective cover and the first end cap.
Compared with the prior art, the technical scheme has the following advantages:
the iron core heat dissipation piece is in direct contact with the iron core, and the heat dissipation performance of the iron core is effectively improved. And the iron core heat dissipation part is simple in structure and convenient to machine and form, and the cooling fan acts on the iron core heat dissipation part, so that the heat dissipation performance is further improved.
The present invention will be further described with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is an exploded view of a prior art electric machine with core heat dissipation;
fig. 2 is a schematic structural diagram of the motor with iron core heat dissipation according to the present invention;
fig. 3 is a cross-sectional view of the motor with iron core heat dissipation according to the present invention;
fig. 4 is a schematic structural view of the stator assembly of the present invention;
fig. 5 is a rear view of the stator assembly of the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purpose of limitation.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
As shown in fig. 1 to 5, the motor with iron core heat dissipation includes:
a housing 100;
at least a stator assembly 200 fixed inside the housing 100;
a rotor assembly 300 rotatably disposed inside the casing 100 and fixed relative to the stator assembly 200;
and at least one heat sink assembly 400, wherein one end of the heat sink assembly 400 is located inside the casing 100 and is fixed relative to the stator assembly 200, and the other end of the heat sink assembly 400 is located outside the casing 100.
Wherein one end of the heat dissipation assembly 400 is located inside the housing 100 and directly contacts with the stator assembly 200, thereby improving heat absorption efficiency, and then dissipating heat through the other end located outside the housing 100, thereby effectively improving the heat dissipation effect of the motor.
As shown in fig. 1, 4 and 5, the stator assembly 200 includes a core 210 and a plurality of teeth 220, the teeth 220 are fixed to the same side of the core 210 and are arranged in a ring shape, and a winding coil 230 is wound around each of the teeth 220. The heat sink assembly 400 may be fixed corresponding to the winding coil 230 and/or the core 210 to provide a heat sink for the main heat generating components in the motor: the winding coil 230 and the core 210 dissipate heat. The following is specifically presented by way of three examples:
first embodiment
As shown in fig. 1 to 5, the heat dissipation assembly 400 includes at least one winding heat dissipation member 410, where two ends of the winding heat dissipation member 410 are respectively a winding heat absorption portion and a winding heat dissipation portion, the winding heat absorption portion is located between two adjacent winding coils 230, and the winding heat dissipation portion is located outside the housing 100. The winding coil 230 absorbs heat by the winding heat absorbing part and dissipates heat by the winding heat dissipating part.
Specifically, the winding heat dissipation member 410 may be a tube structure, and the inside of the tube structure contains a flowing medium, and the fluid medium may flow back and forth between the winding heat absorption portion and the winding heat dissipation portion, so that the surface of the tube body is rapidly equalized to achieve the purpose of heat transfer. The fluid medium may be a liquid or a gas.
More specifically, the winding heat sink 410 may have a rectangular cross section, that is, the winding heat sink 410 may have a sheet shape and may be inserted between two adjacent winding coils 230. In addition, a heat conducting medium can be filled in an assembly gap between the winding heat dissipation member 410 and the winding coil 230, so that the winding heat dissipation member 410 is stabilized, and the heat dissipation effect is further improved. The heat-conducting medium comprises heat-conducting silica gel, heat-conducting glue and the like.
As shown in fig. 4, the winding heat dissipation members 410 are provided in the same number as the winding coils 230, and are sequentially spaced apart from each other. Of course, the number of winding heat sinks 410 may be less than the number of winding coils 230, for example, a part of two adjacent winding coils 230 is inserted between the winding heat sinks 410.
As shown in fig. 1 and 2, the housing 100 includes a first end cap 110, a second end cap 120, and at least one cover case 130, and the first end cap 110 and the second end cap 120 are respectively fixed to both sides of the cover case 130.
Specifically, the housing 130 is annular, and the first end cap 110 and the second end cap 120 are both circular, so that the assembled housing 100 is cylindrical. The stator assembly 200 is also cylindrical, and when the stator assembly 200 is installed in the housing 100, the stator assembly and the housing are coaxially disposed.
The winding heat sink 410 may pass through the casing 130 such that the winding heat sink is located outside the housing 100. In one embodiment, the casing 130 is provided with a first insertion hole for the winding heat sink 410 to pass through, and when the winding heat sink 410 is assembled, the stator assembly 200 may be first installed inside the casing 100, and then the winding heat absorption part of the winding heat sink 410 is inserted into the casing 130 through the first insertion hole and is inserted between two adjacent winding coils 230, so that the winding heat sink is located outside the casing 100. The first end cap 110, the second end cap 120 and the housing 130 can be fixed by bolts, sockets, or clips.
In another embodiment, a first sliding hole is formed at one end of the housing 130, when the winding heat sink 410 is assembled, the winding heat sink 410 is inserted between two adjacent winding coils 230, so that the winding heat sink and the winding coils 230 are relatively fixed, then the winding heat sink 410 is located along the first sliding hole, so that the stator assembly 200 is located inside the housing 130, and finally the first end cap 110 and the second end cap 120 are fixed to two sides of the housing 130.
As shown in fig. 1 and fig. 3, the motor with iron core heat dissipation further includes a cooling fan 500, and the cooling fan 500 is installed on a side of the first end cover 110 facing away from the housing 130 to dissipate heat of the winding heat dissipation part of the winding heat dissipation member 410, so as to further improve the heat dissipation effect.
The rotor assembly 300 includes a rotor plate 310 and a rotor shaft 320, the rotor plate 310 is circular, the rotor shaft 320 is located on an axis of the rotor plate 310, the stator assembly 200 is sleeved on the rotor shaft 320, and the tooth portion 220 is located between the rotor plate 310 and the iron core 210, so that the rotor assembly 300 rotates relative to the stator assembly 200. With continued reference to fig. 3, the rotor shaft 320 may be in transmission connection with the cooling fan 500 through the first end cover 110, that is, the rotor shaft 320 drives the cooling fan 500 to rotate, so that the cooling fan 500 dissipates heat of the winding heat dissipation portion.
Specifically, the first end cap 110 is provided with a plurality of first heat dissipation holes 111, the first heat dissipation holes 111 are opposite to the winding heat dissipation portion, and when the cooling fan 500 rotates, the winding heat dissipation portion is dissipated through the first heat dissipation holes 111.
Referring to fig. 1, the first heat dissipation holes 111 are spaced along the outer circumference of the first end cap 110 to correspond to the winding heat dissipation portions of the plurality of winding heat dissipation members 410 arranged in a ring shape, so that each winding heat dissipation portion can be cooled by a cooling fan 500.
As shown in fig. 1 and 3, the second end cap 120 is provided with a plurality of second heat dissipation holes 121, the second heat dissipation holes 121 are opposite to the winding heat dissipation portion, and the airflow generated by the rotation of the cooling fan 500 firstly passes through the first heat dissipation holes 111, then passes through the winding heat dissipation portion, takes away the heat of the winding heat dissipation portion, and is finally discharged from the second heat dissipation holes 121, so that the flowability of the airflow is improved, and the heat dissipation efficiency can be effectively improved.
Referring to fig. 1, the second heat dissipation holes 121 are spaced along the outer circumference of the second end cap 120 to correspond to winding heat dissipation portions of the plurality of winding heat dissipation members 410 arranged in a ring shape.
As shown in fig. 1 and 2, a plurality of heat dissipation fins 131 are disposed outside the casing 130, the heat dissipation fins 131 are located between the first heat dissipation hole 111 and the second heat dissipation hole 121, and the heat dissipation fins 131 can absorb heat inside the housing 100 and dissipate heat by using the cooling fan 500.
In one embodiment, the heat dissipation fins 131 and the winding heat dissipation part are located outside the casing 130 and are spaced apart from each other.
In another embodiment, the winding heat sink part is connected to the heat sink fins 131, and the gap between the two is filled with a heat conducting medium, that is, the winding heat sink part is located outside the housing 100 through the heat sink fins 131. For example, the winding heat dissipation part is inserted into the heat dissipation fins 131, and heat is dissipated through the heat dissipation fins 131.
As shown in fig. 1 and fig. 3, the motor with iron core heat dissipation further includes a protective cover 140, and the protective cover 140 is fixed to a side of the first end cap 110 facing away from the casing 130, so that the cooling fan 500 is located in a receiving cavity formed by the protective cover 140 and the first end cap 110.
The protective cover 140 is provided with a plurality of air inlet holes 141, the air inlet holes 141 may be arranged in a ring shape, and when the cooling fan 500 rotates, external air enters the accommodating cavity formed by the first end cap 110 of the protective cover 140 through the air inlet holes 141, passes through the first heat dissipation holes 111, passes through the winding heat dissipation part, absorbs heat of the winding heat dissipation part, and is discharged from the second heat dissipation holes 121.
As shown in fig. 3, the first end cover 110 and the second end cover 120 are both sleeved on the rotor shaft 320, so that the rotor assembly 300 rotates relative to the stator assembly 200 and the housing 100.
As shown in fig. 1 to 4, the number of the stator assemblies 200 is two, in this case, the motor is a double-stator motor, the two stator assemblies 200 are respectively located at both sides of the rotor plate 310, and the teeth 220 of the stator assemblies 200 are opposite to the rotor plate 310.
The number of the cover cases 130 may also be two, and one cover case 130 corresponds to each stator assembly 200.
In another embodiment, the number of stator assemblies 200 is one, in which case the motor is a single stator motor.
In summary, the winding heat dissipation member 410 is sheet-shaped, and is arranged along the radial direction of the motor and inserted between two adjacent winding coils 230, and dissipates heat through the winding heat dissipation portion located outside the housing 100, wherein the winding heat dissipation member 410 is directly contacted with the winding coils 230, so as to effectively improve the heat dissipation effect, and the winding heat dissipation member 410 has a simple structure, so that the heat conduction path is short, no bending process is required, the complexity of the manufacturing process is reduced, and the reduction of the heat conduction performance is avoided. In addition, the cooling fan 500 acts on the winding heat dissipation portion, thereby further improving the heat dissipation performance.
Second embodiment
The difference from the first embodiment is that: the heat sink assembly 400 includes at least one core heat sink 420.
As shown in fig. 1 to 5, two ends of the core heat sink 420 are respectively a core heat absorbing portion and a core heat dissipating portion, the core heat absorbing portion and the core 210 are relatively fixed, and the core heat dissipating portion is located outside the housing 100. The core heat absorbing part absorbs heat generated from the core 210 and dissipates the heat through the core heat dissipating part.
As shown in fig. 4 and 5, the core heat sink 420 is located on a side of the core 210 facing away from the teeth 220, and the core heat sink 420 may pass through the housing 130, so that the core heat sink is located outside the housing 100.
In one embodiment, the casing 130 is provided with a second insertion hole for the core heat sink 420 to pass through, when the core heat sink 420 is assembled, the stator assembly 200 may be installed inside the casing 100, and then the core heat absorbing portion may pass through the second insertion hole, so that the core heat absorbing portion is fixed in contact with the core 210, and the core heat sink portion is located outside the casing 100.
In another embodiment, a second sliding hole is formed at one end of the housing 130, when the core heat sink 420 is assembled, the core heat sink 420 is fixed to the core 210 first, so that the core heat absorption portion and the core 210 are relatively fixed, for example, fixed by bonding, binding, or the like, then the core heat sink 420 is fixed along the second sliding hole, so that the stator assembly 200 is located inside the housing 13, and finally the first end cap 110 and the second end cap 120 are fixed to two sides of the housing 130.
It should be noted that, referring to fig. 1, the core heat sink 420 is close to the first end cover 110 or the second end cover 120, and therefore, the second insertion hole and the second slide hole may be disposed on the first end cover 110 or the second end cover 120.
As shown in fig. 5, the core heat sinks 420 are plural in number and are arranged in a ring shape.
As in the first embodiment, the core heat dissipation part is located between the first heat dissipation hole 111 and the second heat dissipation hole 121, and the cooling fan 500 is used to enhance heat dissipation.
The core heat sink 420 may be a tube structure, and the interior of the tube structure contains a flowing medium, so that the purpose of heat transfer is achieved through the flowing medium. The cross section of the iron core heat sink 420 may be circular and arranged along the radial direction of the motor, and the length thereof may be short, so as to reduce the difficulty of the manufacturing process.
In summary, the core heat absorbing portion of the core heat sink 420 directly contacts the core 210, absorbs heat generated by the core 210, and then dissipates heat through the core heat dissipating portion located outside the housing 100. The iron core heat sink 420 has a simple structure, so that a heat conduction path is short, bending is not needed, the complexity of a manufacturing process is reduced, and the reduction of heat conduction performance is avoided. In addition, the cooling fan 500 acts on the iron core heat dissipation portion, thereby further improving the heat dissipation performance.
Third embodiment
As shown in fig. 1 to 5, the heat dissipation assembly 400 includes at least one winding heat dissipation member 410 and at least one core heat dissipation member 420, wherein the winding heat dissipation member 410 dissipates heat of the winding coil 230, and the core heat dissipation member 420 dissipates heat of the core 210.
In summary, the winding heat dissipation member 410 directly contacts the winding coil 230, and the core heat dissipation member 420 directly contacts the core 210, so as to effectively improve the heat dissipation performance of the winding coil 230 and the core 210. And the winding heat dissipation member 410 and the iron core heat dissipation member 420 have simple structures and are convenient to machine and form, and the cooling fan 500 is used for acting on the winding heat dissipation member and the iron core heat dissipation member, so that the heat dissipation performance is further improved.
Besides, the person skilled in the art can also be right according to the actual conditions the winding heat sink 410 the shape, structure and material of the iron core heat sink 420 change, as long as the utility model discloses on the basis of the above-mentioned disclosure, adopted with the same or similar technical scheme of the utility model, solved with the same or similar technical problem of the utility model, and reached with the same or similar technological effect of the utility model, all belong to within the protection scope, the utility model discloses a concrete implementation does not use this as the limit.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.
Claims (10)
1. The utility model provides a motor with iron core heat dissipation which characterized in that includes:
a housing;
the stator assembly is fixed in the shell and comprises an iron core and tooth parts, wherein a plurality of tooth parts are fixed on one side of the iron core and are annularly arranged;
the rotor assembly is rotatably arranged in the shell and is relatively fixed with the stator assembly;
the heat dissipation assembly comprises an iron core heat dissipation member, two ends of the iron core heat dissipation member are respectively provided with an iron core heat absorption part and an iron core heat dissipation part, the iron core heat absorption part and the iron core are fixed relatively, and the iron core heat dissipation part is located outside the shell.
2. An electric machine with core heat dissipation as set forth in claim 1, wherein said core heat dissipation member is located on a side of said core facing away from said teeth.
3. The motor with iron core heat dissipation of claim 1, wherein the housing comprises a first end cap, a second end cap and a housing, the first end cap and the second end cap are respectively fixed on two sides of the housing, and the housing is used for the iron core heat dissipation part to penetrate out.
4. The motor with an iron core heat dissipation function as claimed in claim 3, further comprising a cooling fan, wherein the cooling fan is installed at a side of the first end cover away from the housing, the first end cover is provided with a plurality of first heat dissipation holes, and the first heat dissipation holes are respectively opposite to the iron core heat dissipation portion, so that the cooling fan dissipates heat from the iron core heat dissipation portion.
5. The motor with iron core heat dissipation of claim 4, wherein the second end cap has a plurality of second heat dissipation holes, and the second heat dissipation holes are respectively opposite to the iron core heat dissipation part.
6. A motor with core heat dissipation as set forth in claim 3, wherein said housing is externally provided with a plurality of heat dissipating fins.
7. The electric machine with core heat dissipation of claim 4, wherein the rotor assembly includes a rotor plate and a rotor shaft, the stator assembly is sleeved on the rotor shaft, and the rotor shaft is drivingly connected to the cooling fan through the first end cap.
8. The electric machine with core heat dissipation of claim 7, wherein the number of stator assemblies is two and is located on both sides of the rotor plate.
9. The electric machine with core heat dissipation of claim 8, wherein the number of said housings is two and each of said stator assemblies corresponds to one of said housings.
10. An electric machine with core heat dissipation as set forth in claim 4, further comprising a protective cover secured to a side of said first end cap facing away from said housing such that said cooling fan is located between said protective cover and said first end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022964915.8U CN213879564U (en) | 2020-12-09 | 2020-12-09 | Motor with iron core heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022964915.8U CN213879564U (en) | 2020-12-09 | 2020-12-09 | Motor with iron core heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213879564U true CN213879564U (en) | 2021-08-03 |
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ID=77066600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022964915.8U Active CN213879564U (en) | 2020-12-09 | 2020-12-09 | Motor with iron core heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213879564U (en) |
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2020
- 2020-12-09 CN CN202022964915.8U patent/CN213879564U/en active Active
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