CN213367518U - Novel direct current brushless motor structure - Google Patents
Novel direct current brushless motor structure Download PDFInfo
- Publication number
- CN213367518U CN213367518U CN202022638590.4U CN202022638590U CN213367518U CN 213367518 U CN213367518 U CN 213367518U CN 202022638590 U CN202022638590 U CN 202022638590U CN 213367518 U CN213367518 U CN 213367518U
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- China
- Prior art keywords
- heat
- shell
- annular
- fixed
- stator core
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- 238000004804 winding Methods 0.000 claims abstract description 59
- 230000017525 heat dissipation Effects 0.000 claims description 37
- 238000010521 absorption reaction Methods 0.000 claims description 15
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000004519 grease Substances 0.000 claims description 5
- 239000010445 mica Substances 0.000 claims description 5
- 229910052618 mica group Inorganic materials 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 238000009413 insulation Methods 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002035 prolonged Effects 0.000 description 1
- 230000001360 synchronised Effects 0.000 description 1
Images
Abstract
The utility model discloses a novel brushless DC motor structure, which comprises an outer shell, there is the bottom in the left side of shell through the bolt fastening, the inner wall of shell is fixed with the heat absorbing cylinder, the inside nestification of heat absorbing cylinder has winding stator core, winding stator core's inside nestification has the rotor assembly, the annular groove has been seted up to the lateral surface of shell, the louvre has been seted up to the equidistant louvre of inner wall of annular groove, the inside of annular groove is fixed with annular heating panel, the inside packing of louvre has the heat conduction piece, the equidistant fin that is provided with of outside annular heating panel. The utility model discloses a be fixed with annular heating panel in the outside of shell, cup jointed the heat-absorbing cylinder in winding stator core's the outside, can dispel the heat on the annular heating panel in the shell outside heat conduction on the winding stator core, the effectual radiating effect who improves this DC brushless motor has improved this DC brushless motor's life.
Description
Technical Field
The utility model relates to a direct current brushless motor field, concretely relates to novel direct current brushless motor structure.
Background
The brushless dc motor is a synchronous motor composed of a motor body and a driver, and is also a typical mechatronic product. The brushless DC motor has the advantages of the traditional DC motor, simultaneously cancels the structures of carbon brushes and slip rings, and can run at low speed and high power. The device has the advantages of small volume, light weight, good stability and high efficiency, so the device is widely applied to automobiles, automation, aerospace and the like.
At present, the existing direct current brushless motor has poor heat insulation performance, poor heat dissipation effect and short service life.
Therefore, it is necessary to provide a new dc brushless motor structure to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel DC brushless motor structure, through with the shell, bottom and end cover all adopt titanium alloy material processing to make, winding stator core and rotor assembly assemble in the shell of titanium alloy material, the titanium alloy has material light, it is anticorrosive, low temperature and high temperature resistance's performance, this DC brushless motor's heat-proof quality has been improved, through being fixed with annular heating panel in the outside of shell, a heat absorbing cylinder has been cup jointed in winding stator core's the outside, and through the contact of heat conduction piece between heat absorbing cylinder and the annular heating panel, can dispel the heat on the annular heating panel in the shell outside heat conduction on the winding stator core, the effectual radiating effect who improves this DC brushless motor, this DC brushless motor's life has been improved, with the above-mentioned weak point in the solution technique.
In order to achieve the above object, the present invention provides the following technical solutions: a novel direct current brushless motor structure comprises a shell, wherein a bottom cover is fixed on the left side of the shell through bolts, an end cover is fixed on the right side of the shell through bolts, a heat absorption cylinder is fixed on the inner wall of the shell, a winding stator core is nested inside the heat absorption cylinder, a rotor assembly is nested inside the winding stator core, a rotating shaft is fixed in the middle of the rotor assembly, the left end of the rotating shaft is movably connected with the left end of the shell through a first bearing, the right end of the rotating shaft penetrates through the end cover and extends out of the shell, the rotating shaft is movably connected with the end cover through a second bearing, an annular groove is formed in the outer side surface of the shell, radiating holes are formed in the inner wall of the annular groove at equal intervals, an annular radiating plate is fixed inside the annular groove, a heat radiating hole is filled inside the annular groove, and one end of the heat radiating hole is connected, the other end of the heat conduction block is connected with the inner side face of the annular heat dissipation plate, heat dissipation fins are arranged on the outer annular face of the annular heat dissipation plate at equal intervals, a fixing ring is arranged on the winding stator core, a mounting frame is fixed on the outer side of the fixing ring at equal intervals, and a winding coil is wound on the mounting frame.
Preferably, the shell, the bottom cover and the end cover are all made of titanium alloy materials.
Preferably, the heat absorbing cylinder is made of metal copper.
Preferably, heat-conducting silicone grease is arranged between the inner side wall of the heat absorption cylinder and the outer side wall of the winding stator core.
Preferably, the heat conducting block is arranged as heat conducting silica gel.
Preferably, the annular heat dissipation plate and the heat dissipation fins are made of copper materials, and the annular heat dissipation plate and the heat dissipation fins are processed into an integrated structure through a die.
Preferably, the mounting bracket and the fixed ring are integrally arranged, the outer side surface of the fixed ring is fixedly bonded with an insulating pad, the outer side surface of the mounting bracket is sleeved with an insulating sleeve, and the winding coil is wound on the insulating sleeve.
Preferably, a mica pad strip is fixed between the insulating sleeve and the insulating pad, and an insulating film is wound on the winding coil.
In the technical scheme, the utility model provides a technological effect and advantage:
1. the shell, the bottom cover and the end cover are all made of titanium alloy materials, the winding stator core and the rotor assembly are assembled in the shell made of the titanium alloy materials, the titanium alloy has the properties of light weight, corrosion resistance, low temperature resistance and high temperature resistance, the heat insulation performance of the direct current brushless motor is improved, the annular heat dissipation plate is fixed on the outer side of the shell, the heat absorption cylinder is sleeved on the outer side of the winding stator core, and the heat absorption cylinder is in contact with the annular heat dissipation plate through the heat conduction block, so that the heat on the winding stator core can be conducted to the annular heat dissipation plate on the outer side of the shell for heat dissipation, the heat dissipation effect of the direct current brushless motor is effectively improved, and the service life of the brushless direct current motor is prolonged;
2. there is the insulating pad through the outside fixed surface at solid fixed ring bonding, and the outside surface of mounting bracket has cup jointed insulating cover, and the winding has the insulating film on the coil, has improved the insulating properties between coil and winding stator core to promote this brushless DC motor's safety in utilization and stability.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;
fig. 3 is a front view of the present invention;
fig. 4 is a schematic diagram of the winding stator iron of the present invention.
Description of reference numerals:
the heat-absorbing structure comprises a shell 1, a bottom cover 2, an end cover 3, a heat-absorbing cylinder 4, a winding stator core 5, a rotor assembly 6, a rotating shaft 7, an annular groove 8, heat dissipation holes 9, an annular heat dissipation plate 10, a heat conduction block 11, heat conduction silicone grease 12, a fixing ring 13, a mounting frame 14, a winding coil 15, an insulation pad 16, an insulation sleeve 17 and a heat dissipation fin 18.
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 the accompanying drawings.
The utility model provides a novel DC brushless motor structure as shown in figures 1-3, which comprises a housing 1, wherein the left side of the housing 1 is fixed with a bottom cover 2 through bolts, the right side of the housing 1 is fixed with an end cover 3 through bolts, the inner wall of the housing 1 is fixed with a heat absorption tube 4, the inside of the heat absorption tube 4 is nested with a winding stator core 5, the inside of the winding stator core 5 is nested with a rotor assembly 6, the middle part of the rotor assembly 6 is fixed with a rotating shaft 7, the left end of the rotating shaft 7 is movably connected with the left end of the housing 1 through a first bearing, the right end of the rotating shaft 7 penetrates through the end cover 3 and extends out of the housing 1, the rotating shaft 7 is movably connected with the end cover 3 through a second bearing, the outer side surface of the housing 1 is provided with an annular groove 8, the inner wall of the annular groove 8 is provided with radiating holes 9 at equal intervals, the annular groove 8 is, the heat dissipation holes 9 are filled with heat conduction blocks 11, one ends of the heat conduction blocks 11 are connected with the outer side face of the heat absorption barrel 4, the other ends of the heat conduction blocks 11 are connected with the inner side face of the annular heat dissipation plate 10, heat dissipation fins 18 are arranged on the outer side annular face of the annular heat dissipation plate 10 at equal intervals, fixing rings 13 are arranged on the winding stator core 5, mounting frames 14 are fixed on the outer sides of the fixing rings 13 at equal intervals, and winding coils 15 are wound on the mounting frames 14.
Furthermore, in the above technical scheme, the housing 1, the bottom cover 2 and the end cover 3 are all made of titanium alloy material, and the titanium alloy has the properties of light weight, corrosion resistance, low temperature resistance and high temperature resistance, so that the heat insulation performance of the dc brushless motor is improved.
Further, in the above technical solution, the heat absorbing cylinder 4 is made of copper, and the copper has high heat conductivity, and can effectively absorb heat on the winding stator core 5 and transfer the heat on the winding stator core 5.
Further, in the above technical solution, the heat conductive silicone grease 12 is disposed between the inner side wall of the heat absorbing cylinder 4 and the outer side wall of the winding stator core 5, so that the inner side wall of the heat absorbing cylinder 4 can effectively contact with the outer side wall of the winding stator core 5, and the heat absorbing effect of the heat absorbing cylinder 4 on the winding stator core 5 is improved.
Further, in the above technical solution, the heat conducting block 11 is made of heat conducting silica gel, and can effectively contact with the outer side wall of the heat absorbing cylinder 4 and the inner side wall of the annular heat dissipating plate 10, so that heat on the heat absorbing cylinder 4 can be effectively transferred to the annular heat dissipating plate 10.
Further, in the above technical solution, the annular heat dissipation plate 10 and the heat dissipation fins 18 are both made of copper material, the annular heat dissipation plate 10 and the heat dissipation fins 18 are processed into an integrated structure through a mold, the heat conductivity of the copper material is high, the heat dissipation effect is improved, the contact area with air is increased through the heat dissipation fins 18, and the heat dissipation rate is improved.
The implementation mode is specifically as follows: the shell 1, the bottom cover 2 and the end cover 3 are all made of titanium alloy materials, the winding stator core 5 and the rotor assembly 6 are assembled in the shell 1 made of the titanium alloy materials, the titanium alloy has the properties of light weight, corrosion resistance, low temperature resistance and high temperature resistance, the heat insulation performance of the direct current brushless motor is improved, the annular heat dissipation plate 10 is fixed on the outer side of the shell 1, the heat absorption cylinder 4 is sleeved on the outer side of the winding stator core 5, the heat absorption cylinder 4 is in contact with the annular heat dissipation plate 10 through the heat conduction block 11, the heat absorption cylinder 4 is made of metal copper, the heat conduction performance is strong, and the heat conduction silicone grease 12 is arranged between the inner side wall of the heat absorption cylinder 4 and the outer side wall of the winding stator core 5, so that the inner side wall of the heat absorption cylinder 4 can be effectively in contact with the outer side wall of the winding stator core 5, and the heat absorption effect of, the heat conduction block 11 is set up to heat conduction silica gel, can be effectively with the lateral wall of heat-absorbing cylinder 4 and the inside wall contact of annular heating panel 10, thereby can be effectively with heat transfer on the heat-absorbing cylinder 4 for annular heating panel 10, can conduct the heat on winding stator core 5 outside shell 1 and dispel the heat, the effectual radiating effect that improves this direct current brushless motor, annular heating panel 10 and fin 18 all adopt copper material to process and make, the radiating effect has been improved, increased the area of contact with the air through fin 18, the heat dissipation rate has been improved, the life of this direct current brushless motor has been improved, this embodiment has specifically solved the direct current brushless motor heat-proof quality that exists among the prior art poor, the radiating effect is poor, the short problem of life.
As shown in fig. 4, in the above technical solution, the mounting frame 14 and the fixing ring 13 are integrally disposed, the insulating pad 16 is fixedly bonded to the outer surface of the fixing ring 13, the insulating sleeve 17 is sleeved on the outer surface of the mounting frame 14, the winding coil 15 is wound on the insulating sleeve 17, the insulating sleeve 17 and the insulating pad 16 prevent the winding coil 15 from directly contacting the mounting frame 14, and the insulating property between the winding coil 15 and the mounting frame 14 is improved.
Further, in the above technical solution, a mica filler strip is fixed between the insulating sleeve 17 and the insulating pad 16, an insulating film is wound on the winding coil 15, the insulating sleeve 17 and the insulating pad 16 are tightly connected through the mica filler strip, and the insulating performance between the winding coil 15 and the mounting rack 14 is improved through the insulating film.
The implementation mode is specifically as follows: insulating cover 17 has been cup jointed on the outside surface of mounting bracket 14, winding 15 twines on insulating cover 17, the outside fixed surface of solid fixed ring 13 bonds and has insulating pad 16, and be fixed with the mica filler strip between insulating cover 17 and the insulating pad 16, avoid winding 15 direct and mounting bracket 14 and solid fixed ring 13 contact through insulating cover 17 and insulating pad 16, the insulating properties between winding 15 and mounting bracket 14 and solid fixed ring 13 has been improved, thereby the insulating properties between winding 15 and winding stator core has been improved, the winding has the insulating film on winding 15, the insulating properties between winding 15 and winding stator core has further been improved, thereby promote this DC motor's safety in utilization and stability, this embodiment has specifically solved the problem that the insulating properties between winding that exists among the prior art and winding stator core is poor.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. A novel DC brushless motor structure comprises a shell (1), and is characterized in that: the heat-absorbing shell is characterized in that a bottom cover (2) is fixed on the left side of the shell (1) through bolts, an end cover (3) is fixed on the right side of the shell (1) through bolts, a heat-absorbing barrel (4) is fixed on the inner wall of the shell (1), a winding stator core (5) is nested inside the heat-absorbing barrel (4), a rotor assembly (6) is nested inside the winding stator core (5), a rotating shaft (7) is fixed in the middle of the rotor assembly (6), the left end of the rotating shaft (7) is movably connected with the left end of the shell (1) through a first bearing, the right end of the rotating shaft (7) penetrates through the end cover (3) and extends out of the shell (1), the rotating shaft (7) is movably connected with the end cover (3) through a second bearing, an annular groove (8) is formed in the outer side face of the shell (1), and heat-radiating holes (9) are formed in the, annular groove (8)'s inside is fixed with annular heat dissipation plate (10), the inside packing of louvre (9) has heat conduction piece (11), the one end of heat conduction piece (11) is connected with the lateral surface of heat absorbing cylinder (4), the other end and the medial surface of annular heat dissipation plate (10) of heat conduction piece (11) are connected, the outside annular surface of annular heat dissipation plate (10) is equidistant to be provided with fin (18), be provided with solid fixed ring (13) on winding stator core (5), the outside of solid fixed ring (13) is equidistant to be fixed with mounting bracket (14), the winding has coil (15) on mounting bracket (14).
2. The novel brushless dc motor structure according to claim 1, wherein: the shell (1), the bottom cover (2) and the end cover (3) are all made of titanium alloy materials.
3. The novel brushless dc motor structure according to claim 1, wherein: the heat absorbing cylinder (4) is made of metal copper.
4. The novel brushless dc motor structure according to claim 1, wherein: and heat-conducting silicone grease (12) is arranged between the inner side wall of the heat absorption barrel (4) and the outer side wall of the winding stator core (5).
5. The novel brushless dc motor structure according to claim 1, wherein: the heat conducting block (11) is set to be heat conducting silica gel.
6. The novel brushless dc motor structure according to claim 1, wherein: the annular heat dissipation plate (10) and the heat dissipation fins (18) are made of copper materials in a processing mode, and the annular heat dissipation plate (10) and the heat dissipation fins (18) are processed into an integrated structure through a die.
7. The novel brushless dc motor structure according to claim 1, wherein: the integrated setting between mounting bracket (14) and solid fixed ring (13), the outside fixed surface of solid fixed ring (13) bonds and has insulating pad (16), insulating cover (17) have been cup jointed on the outside surface of mounting bracket (14), coil (15) winding is on insulating cover (17).
8. The novel brushless dc motor structure according to claim 7, wherein: mica filler strips are fixed between the insulating sleeve (17) and the insulating pad (16), and an insulating film is wound on the winding coil (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022638590.4U CN213367518U (en) | 2020-11-16 | 2020-11-16 | Novel direct current brushless motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022638590.4U CN213367518U (en) | 2020-11-16 | 2020-11-16 | Novel direct current brushless motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213367518U true CN213367518U (en) | 2021-06-04 |
Family
ID=76134470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022638590.4U Expired - Fee Related CN213367518U (en) | 2020-11-16 | 2020-11-16 | Novel direct current brushless motor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213367518U (en) |
-
2020
- 2020-11-16 CN CN202022638590.4U patent/CN213367518U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210604 Termination date: 20211116 |