CN212726621U - Fan stator structure - Google Patents
Fan stator structure Download PDFInfo
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- CN212726621U CN212726621U CN202021602859.7U CN202021602859U CN212726621U CN 212726621 U CN212726621 U CN 212726621U CN 202021602859 U CN202021602859 U CN 202021602859U CN 212726621 U CN212726621 U CN 212726621U
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Abstract
The utility model discloses a fan stator structure, which comprises a bottom plate, fan blades, a middle pipe, a bearing, a stator and a rotor, wherein the middle pipe is fixedly arranged on the bottom plate, the bearing is fixedly inserted in the middle pipe, the main shaft of the fan blades is axially stopped, the circumference direction can be rotatably inserted in the bearing, the stator is fixedly sleeved outside the circumference of the middle pipe, the rotor is fixedly arranged at the inner side of the fan blades, the rotor is opposite to the stator, coils are wound on the teeth of the stator, the size of the coils along the axial direction of the fan is the winding depth of a stator group, the size from the end part of a main shaft of the fan blades to the end surface of the fan blades, which is opposite to the main shaft, is the height of the fan blades, the ratio of the winding depth of the stator group to the height of the fan blades is 0.6-0.8, the utility model can easily and quickly realize the optimized design of, the requirements of thin and high-performance electronic products are met.
Description
Technical Field
The utility model relates to a radiator fan, in particular to fan stator structure.
Background
With the trend of light weight, thinness and high performance of electronic products, users have higher and higher requirements on notebooks, and thus, the fan in the notebooks has no systematic optimization design for the winding depth and the blade height of the originally designed fan stator set, which causes unnecessary space waste and loss of efficiency, resulting in difficulty in reducing the thickness of the fan and meeting the design requirements of thinness and high performance.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model provides a fan stator structure, this fan stator structure can effectively optimize fan inner space utilization, makes the fan accomplish better efficiency in limited space.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: the utility model provides a fan stator structure, includes bottom plate, flabellum, well pipe, bearing, stator and rotor, well pipe fixed mounting is on the bottom plate, and the bearing is fixed to be inserted and locates in the well pipe, the main shaft axial locking of flabellum, and the circumferencial direction can the pivoted insert locate in the bearing, the fixed cover of stator locates well pipe circumference outside, and rotor fixed mounting is inboard in the flabellum, and rotor and stator are just to setting up, the winding has the coil on the stator tooth, and the coil is stator group's wire winding degree of depth along the axial size of fan, and the main shaft tip of flabellum is the flabellum height to the size between the flabellum main shaft side end face dorsad, stator group's wire winding degree.
As the utility model discloses a further improvement, form insulating holding ring in the middle of the stator, insulating holding ring closely wraps in the well outside of tubes, and insulating holding ring circumference outside is radial a plurality of magnetism winding branches that are equipped with, and magnetism winding branch tip forms the size and expands the boss outward, and the coil twines on magnetism winding branch, and the coil winding degree of depth is the insulating holding ring height and the size of magnetism winding branch tip expand the one that the boss height numerical value is little outward.
As the utility model discloses a further improvement, the stator includes flat blade group and insulator foot, and the fixed cover of insulator foot locates the blade group outside, is formed with fixed cladding in the insulating holding ring in the well tub outside on the insulator foot, cladding in blade group outside formation magnet winding branch's adapter sleeve and lie in the adapter sleeve tip cladding in blade along the size of stator axial both ends face expand the boss outward.
As a further improvement of the utility model, the main shaft end of the fan blade is of a plane or spherical structure, and the height of the fan blade is the vertical distance from the highest point of the main shaft end of the fan blade to the end surface of the fan blade, which faces away from the main shaft.
As a further improvement, the fan blade is riveted with the main shaft to be positioned or is molded integrally in the mold.
As a further improvement, the utility model also has a stator supporting piece, the stator supporting piece made of insulating material is fixed embedded on the bottom plate, and the stator supporting piece is supported on the stator and kept away from the surface of one end of the fan blade.
As a further improvement of the utility model, the fixing holes are arranged on the size outward-expanding boss, the connecting sheet is inserted in the fixing holes, and the connecting sheet is connected with the circuit board of the fan.
As a further improvement, be formed with on the bottom plate of fan and inlay and establish the bell mouth, bottom plate fixed surface covers has the one deck insulating layer, is equipped with on the insulating layer to inlay and establishes the arch, it just closely inlays to establish the arch and establishes in the bell mouth to inlay on locating the fan bottom plate to inlay, be equipped with on the insulating layer and dodge the through hole, should dodge the through hole and just be located inlaying of fan bottom plate and establish in the bell mouth, aforementioned connection piece just hold in dodge in the through hole.
The utility model has the advantages that: the utility model discloses a stator group wire winding degree of depth and flabellum height's ratio to the fan is optimized, control its in 0.6 ~ 0.8 interval, the fan is when the design, can be according to stator group wire winding degree of depth select the flabellum height that matches with it, can relax, realize fan inside space utilization ratio optimal design fast, the design that space utilization is low avoids appearing, guaranteed that the fan accomplishes better efficiency in limited space, satisfy the slimming, the demand of high performance electronic product.
Drawings
FIG. 1 is a first schematic diagram of the present invention;
fig. 2 is a second structural schematic diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.
Example (b): referring to fig. 1 and 2, a stator structure of a fan includes a bottom plate 1, fan blades 2, a middle tube 3, a bearing 4, a stator 5 and a rotor 6, where the middle tube 3 is fixedly installed on the bottom plate 1, the bearing 4 is fixedly inserted into the middle tube 3, a main shaft 12 of the fan blades 2 is axially stopped and can be rotatably inserted into the bearing 4 in a circumferential direction, the stator 5 is fixedly sleeved outside the circumference of the middle tube 3, the rotor 6 is fixedly installed inside the fan blades 2, the rotor 6 and the stator 5 are arranged opposite to each other, a coil is wound on teeth of the stator 5, the coil is a winding depth a of the stator 5 along the axial direction of the fan, a dimension from an end of the main shaft 12 of the fan blades 2 to an end surface of the fan blades 2 opposite to the main shaft 12 is a height B of the fan blades 2, and a ratio of the winding depth of the stator 5. Through the control to 5 group's wire winding depths of stator and 2 high ratios of flabellum, through the control of above-mentioned ratios, can be according to 5 optional flabellum 2 of stator of difference for keep the best clearance between stator 5 and the flabellum 2, can not mutual interference, the at utmost reduces fan thickness simultaneously, consequently, through the control of above-mentioned ratio, can realize that fan inner space utilization is optimal, and the fan can accomplish better efficiency in limited space.
An insulating positioning ring 7 is formed in the middle of the stator 5, the insulating positioning ring 7 is tightly wrapped on the outer side of the middle pipe 3, a plurality of magnetic winding branches 8 are radially arranged on the outer side of the circumference of the insulating positioning ring 7, the end parts of the magnetic winding branches 8 form a size external expansion boss 9, a coil is wound on the magnetic winding branches 8, and the winding depth of the coil is one small in the size external expansion boss 9 height value of the height of the insulating positioning ring 7 and the end parts of the magnetic winding branches 8. The coil of the stator 5 is wound on the surface of the magnetic winding branch 8, and the winding thickness is determined by the height of the insulating positioning ring 7 and the small size of the size outward-expanding boss 9 at the end part of the magnetic winding branch 8, so that when the design is carried out, the ratio of the height of the insulating positioning ring 7 and the small size of the size outward-expanding boss 9 at the end part of the magnetic winding branch 8 to the height of the fan blade 2 is calculated.
The end part of the main shaft 12 of the fan blade 2 is of a plane or spherical structure, and the height of the fan blade 2 is the vertical distance from the highest point of the end part of the main shaft 12 of the fan blade 2 to the end surface of one side of the fan blade 2, which is back to the main shaft 12.
The fan blade 2 and the main shaft 12 are integrally formed through riveting positioning or in-mold injection molding.
The fan blade support structure is further provided with a stator support part 11, the stator support part 11 made of insulating materials is fixedly embedded on the bottom plate 1, and the stator support part 11 is supported on the surface of one end, far away from the fan blade 2, of the stator 5. The stator support 11 supports and positions the axial position of the stator 5, so that the position accuracy of the stator 5 is ensured, and the interference between the stator 5 and the fan blade 2 is avoided.
The size outward-expanding boss 9 is provided with a fixing hole, a connecting sheet 13 is inserted in the fixing hole, and the connecting sheet 13 is connected with a circuit board 14 of the fan. The stator 5 is fixed on the circuit board 14 through a connecting piece, so that the fixed connection and the electrical communication between the positioning and the circuit board 14 are realized.
The bottom plate 1 of the fan is provided with an embedded taper hole, the surface of the bottom plate 1 is fixedly covered with an insulating layer 15, an embedded bulge is arranged on the insulating layer 15, the embedded bulge is just tightly embedded in the embedded taper hole on the fan bottom plate 1, an avoiding through hole 16 is arranged on the insulating layer 15, the avoiding through hole 16 is just positioned in the embedded taper hole of the fan bottom plate 1, and the connecting sheet 13 is just accommodated in the avoiding through hole 16. Through fixed setting insulating layer 15 on bottom plate 1, realize circuit board 14 and bottom plate 1's insulating isolation, set up simultaneously on insulating layer 15 and dodge through hole 16 for hold connection piece 13, avoid the condition of short circuit appearing.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a fan stator structure, includes bottom plate, flabellum, well pipe, bearing, stator and rotor, well pipe fixed mounting is on the bottom plate, and the bearing is fixed to be inserted and locates in the well pipe, the main shaft axial locking of flabellum, and the circumferencial direction can the pivoted insert locate in the bearing, the stator is fixed to be overlapped and is located well pipe circumference outside, and rotor fixed mounting is inboard in the flabellum, and the rotor is just to setting up its characterized in that with the stator: the stator is characterized in that coils are wound on the stator teeth, the size of each coil in the axial direction of the fan is the winding depth of the stator set, the size from the end part of the main shaft of each fan blade to the end face, back to the main shaft, of each fan blade is the height of each fan blade, and the ratio of the winding depth of the stator set to the height of each fan blade is 0.6-0.8.
2. The fan stator structure according to claim 1, wherein: an insulating positioning ring is formed in the middle of the stator and tightly wrapped on the outer side of the middle pipe, a plurality of magnetic winding branches are radially arranged on the outer side of the circumference of the insulating positioning ring, the end parts of the magnetic winding branches form a size outward expansion boss, a coil is wound on the magnetic winding branches, and the winding depth of the coil is one of the height of the insulating positioning ring and the height of the size outward expansion boss at the end parts of the magnetic winding branches, which is small in numerical value.
3. The fan stator structure according to claim 2, wherein: the stator comprises a flat silicon steel sheet group and an insulating base, the insulating base is fixedly sleeved on the outer side of the silicon steel sheet group, an insulating positioning ring fixedly wrapped on the outer side of the middle pipe, a connecting sleeve wrapped on the outer side of the silicon steel sheet group to form a magnet winding branch and a boss located at the end part of the connecting sleeve and wrapped on the silicon steel sheet along the axial two end faces of the stator and expanded in size.
4. The fan stator structure according to claim 1, wherein: the end part of the main shaft of the fan blade is of a plane or spherical structure, and the height of the fan blade is the vertical distance from the highest point of the end part of the main shaft of the fan blade to the end surface of one side of the fan blade back to the main shaft.
5. The fan stator structure according to claim 1, wherein: the fan blades and the main shaft thereof are integrally formed through riveting positioning or in-mold injection molding.
6. The fan stator structure according to claim 1, wherein: the stator supporting piece is made of insulating materials and fixedly embedded on the bottom plate, and the stator supporting piece is supported on the surface of one end, far away from the fan blades, of the stator.
7. The fan stator structure according to claim 2, wherein: the size outward-expanding boss is provided with a fixing hole, a connecting sheet is inserted into the fixing hole, and the connecting sheet is connected with a circuit board of the fan.
8. The fan stator structure according to claim 7, wherein: the fan is characterized in that an embedded conical hole is formed in a bottom plate of the fan, an insulating layer is fixedly covered on the surface of the bottom plate, an embedded protrusion is arranged on the insulating layer, the embedded protrusion is embedded into the embedded conical hole formed in the bottom plate of the fan tightly, an avoiding through hole is formed in the insulating layer, the avoiding through hole is located in the embedded conical hole of the bottom plate of the fan, and the connecting piece is accommodated in the avoiding through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021602859.7U CN212726621U (en) | 2020-08-05 | 2020-08-05 | Fan stator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021602859.7U CN212726621U (en) | 2020-08-05 | 2020-08-05 | Fan stator structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212726621U true CN212726621U (en) | 2021-03-16 |
Family
ID=74913558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021602859.7U Active CN212726621U (en) | 2020-08-05 | 2020-08-05 | Fan stator structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212726621U (en) |
-
2020
- 2020-08-05 CN CN202021602859.7U patent/CN212726621U/en active Active
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