CN222107696U - A heat dissipation structure of a brushless motor controller - Google Patents
A heat dissipation structure of a brushless motor controller Download PDFInfo
- Publication number
- CN222107696U CN222107696U CN202420778938.5U CN202420778938U CN222107696U CN 222107696 U CN222107696 U CN 222107696U CN 202420778938 U CN202420778938 U CN 202420778938U CN 222107696 U CN222107696 U CN 222107696U
- Authority
- CN
- China
- Prior art keywords
- brushless motor
- bearing chamber
- heat dissipation
- heat radiation
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000017525 heat dissipation Effects 0.000 title claims description 30
- 239000003292 glue Substances 0.000 claims abstract description 12
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract description 22
- 238000000926 separation method Methods 0.000 abstract description 2
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- YTBRNEUEFCNVHC-UHFFFAOYSA-N 4,4'-dichlorobiphenyl Chemical compound C1=CC(Cl)=CC=C1C1=CC=C(Cl)C=C1 YTBRNEUEFCNVHC-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical group 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Brushless Motors (AREA)
Abstract
The utility model discloses a heat radiation structure of a brushless motor controller, which comprises a brushless motor shell, wherein a control PCB (printed circuit board) is arranged in the brushless motor shell, an MOS (metal oxide semiconductor) tube is attached to the control PCB, a bearing chamber is arranged on the side surface of the brushless motor shell, a bearing chamber upper surface flat plate is arranged above the bearing chamber, a first attaching groove is formed in the bearing chamber upper surface flat plate, the bearing chamber upper surface flat plate is connected with a heat radiation shell on the side surface, the upper surfaces of the bearing chamber upper surface flat plate and the heat radiation shell are flush, and a second attaching groove is formed in the upper equidistant separation of the heat radiation shell. The utility model has scientific and reasonable structural design, lifts the bearing chamber at the front end of the brushless motor rotor, forms the upper surface plate of the bearing chamber to be made into a plane, spreads the heat radiation glue on the plane to be contacted with the arrangement area of the MOS tube of the controller, increases the heat radiation area, ensures that all the MOS tubes can radiate heat, does not need to additionally increase heat radiation parts such as radiating fins and the like, and has low cost and good heat radiation performance.
Description
Technical Field
The utility model relates to the technical field of brushless motor equipment, in particular to a heat dissipation structure of a brushless motor controller.
Background
The brushless motor shares a plurality of MOS pipes, and the MOS pipe can produce a large amount of heat when the work. In order to prevent the MOS tube from overheating, heat of the MOS tube needs to be conducted to the shell, but based on the consideration of the motor size, the contact area between the shell and the heat dissipation area of the MOS tube is limited, so that the contact area needs to be increased from the mechanical structure. The heat dissipation area of current brushless motor shell and controller contact is limited, can't guarantee that every MOS pipe homoenergetic is through the heat dissipation of the heat dissipation glue of being in contact with the shell, has produced certain influence to brushless motor's long-time normal operating. Therefore, we propose a brushless motor controller heat dissipation structure.
Disclosure of utility model
The present utility model is directed to a heat dissipation structure of a brushless motor controller, so as to solve the problems set forth in the background art.
In order to achieve the purpose, the technical scheme is that the brushless motor controller radiating structure comprises a brushless motor shell, wherein a control PCB is arranged in the brushless motor shell, MOS tubes are adhered to the control PCB, a bearing chamber is arranged on the side face of the brushless motor shell, a bearing chamber upper surface flat plate is arranged above the bearing chamber, a first attaching groove is formed in the bearing chamber upper surface flat plate, the bearing chamber upper surface flat plate is connected with a radiating shell on the side face, the upper surfaces of the bearing chamber upper surface flat plate and the radiating shell are flush, and a second attaching groove is formed in the upper portion of the radiating shell in an equidistant mode.
In the above scheme, the brushless motor housing comprises an upper housing and a lower housing.
In the scheme, the edge of the brushless motor shell is provided with the lug seat, the lug seat is provided with the connecting hole, and the connecting hole is connected with the bolt.
In the scheme, the side face of the brushless motor shell is connected with the power box.
In the scheme, the groove depths of the first attaching groove and the second attaching groove are not more than mm, and the heat dissipation glue is filled in the first attaching groove and the second attaching groove.
In the above scheme, control PCB board passes through the bolt to be installed in brushless motor shell, and control PCB board's below is provided with the radiating glue film.
In the scheme, the inner cavity of the brushless motor shell is also provided with a cooling fan.
Compared with the prior art, the brushless motor controller heat radiation structure has the beneficial effects that the structure is simple and reasonable in structural design and has strong practicability, in order to increase the heat radiation area of the contact between the brushless motor shell and the controller, the bearing chamber at the front end of the brushless motor rotor is lifted to form a flat plate on the upper surface of the bearing chamber to be made into a plane, and the upper surface of the bearing chamber is paved with heat radiation glue to be in contact with the arrangement area of the MOS tube of the controller, so that the heat radiation area is increased, all the MOS tubes can radiate, additional heat radiation parts such as radiating fins and the like are not required to be additionally added, the cost is low, and the heat radiation performance is good.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
FIG. 2 is a schematic diagram of the structure of the present utility model.
Fig. 3 is a schematic diagram of a control PCB structure according to the present utility model.
In the figure, a brushless motor shell, an 11 ear seat, a 12 connecting hole, a 13 bolt, a 14 power box, a 15 control PCB board, a 16MOS tube, a 17 bearing chamber, a 18 bearing chamber upper surface flat plate, a 19 first attaching groove, a2 heat dissipation shell, a 21 second attaching groove and a 22 heat dissipation adhesive layer are arranged on the upper surface of the bearing chamber.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the utility model provides a heat dissipation structure of a brushless motor controller, which comprises a brushless motor housing 1, wherein a control PCB board 15 is arranged in the brushless motor housing 1, an MOS tube 16 is attached to the control PCB board 15, a bearing chamber 17 is arranged on the side of the brushless motor housing 1, a bearing chamber upper surface flat plate 18 is arranged above the bearing chamber 17, a first attaching groove 19 is formed on the bearing chamber upper surface flat plate 18, the bearing chamber upper surface flat plate 18 is connected with a heat dissipation shell 2 on the side, the upper surfaces of the bearing chamber upper surface flat plate and the heat dissipation shell are flush, and a second attaching groove 21 is formed above the heat dissipation shell 2 in an equidistant manner. The top of bearing chamber 17 at the front end of the brushless motor rotor is lifted to form bearing chamber upper surface flat plate 18 and be made into a plane, and the upper surface is paved with heat radiation glue to enable the heat radiation glue to be in contact with MOS tubes 16 in the MOS tube arrangement area of the controller, so that the heat radiation area is increased, all the MOS tubes are guaranteed to radiate heat, the problem that the heat radiation area of the existing brushless motor shell 1 in contact with the controller is limited, and each MOS tube cannot be guaranteed to radiate heat through the heat radiation glue in contact with the shell is solved, and the heat radiation efficiency of the brushless motor shell 1 is further improved.
In the above-described aspect, the brushless motor housing 1 includes an upper case and a lower case.
In the above-mentioned scheme, the edge of brushless motor shell 1 is provided with ear seat 11, has seted up connecting hole 12 on the ear seat 11, and is connected with bolt 13 in the connecting hole 12. The upper shell and the lower shell are assembled through the lug 11 by the cooperation of the connecting hole 12 and the bolt 13, so that the equipment is convenient to install and maintain.
In the above-described embodiment, the power box 14 is connected to the side of the brushless motor housing 1.
In the above-mentioned scheme, the groove depth of the first attaching groove 19 and the second attaching groove 21 is not more than 3mm, and the heat dissipation glue is filled in the first attaching groove and the second attaching groove. After the heat-dissipating glue is cured, the inside of the first attaching groove 19 and the inside of the second attaching groove 21 are completely filled.
In the above scheme, the control PCB 15 is mounted in the brushless motor housing 1 through bolts, and a heat dissipation adhesive layer 22 is disposed below the control PCB 15. Specifically, the heat-dissipating adhesive can be heat-conducting silica gel, which is a high-heat-conducting insulating organic silicon material and has excellent electrical insulation and heat conductivity. It can maintain the state of grease in a wide temperature range, and has the characteristics of low oil separation degree, high and low temperature resistance, water resistance, ozone resistance, weather aging resistance and the like. The heat-conducting silica gel is widely used for filling gaps between the heating body and the heat radiating device, and improves the heat radiating effect.
In the above scheme, the inner cavity of the brushless motor housing 1 is further provided with a cooling fan. The design of the cooling fan can accelerate the air flow rate of the inner cavity of the brushless motor housing 1, thereby accelerating the cooling effect.
Working principle:
This kind of brushless motor controller heat radiation structure, in order to increase the heat radiating area of brushless motor shell and controller contact, raise the top of brushless motor rotor front end bearing chamber 17, form bearing chamber upper surface flat plate 18 and make the plane, the upper surface tiling heat dissipation glue makes it with the regional MOS pipe 16 contact of controller MOS pipe arrangement, increased heat radiating area, guarantee that all MOS pipes homoenergetic dispel the heat, need not additionally to increase the radiating part, like fin etc. with low costs, the heat dispersion is good, the life of device has been prolonged.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420778938.5U CN222107696U (en) | 2024-04-16 | 2024-04-16 | A heat dissipation structure of a brushless motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420778938.5U CN222107696U (en) | 2024-04-16 | 2024-04-16 | A heat dissipation structure of a brushless motor controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222107696U true CN222107696U (en) | 2024-12-03 |
Family
ID=93616445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420778938.5U Active CN222107696U (en) | 2024-04-16 | 2024-04-16 | A heat dissipation structure of a brushless motor controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222107696U (en) |
-
2024
- 2024-04-16 CN CN202420778938.5U patent/CN222107696U/en active Active
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| GR01 | Patent grant |