CN204578957U - The brushless motor controller that a kind of thermal diffusivity is good - Google Patents
The brushless motor controller that a kind of thermal diffusivity is good Download PDFInfo
- Publication number
- CN204578957U CN204578957U CN201520284360.9U CN201520284360U CN204578957U CN 204578957 U CN204578957 U CN 204578957U CN 201520284360 U CN201520284360 U CN 201520284360U CN 204578957 U CN204578957 U CN 204578957U
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- back shroud
- radiating fin
- semiconductor
- oxide
- radiating
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Abstract
The utility model discloses the brushless motor controller that a kind of thermal diffusivity is good, comprise box body, pcb board and multiple metal-oxide-semiconductor, described box body comprises header board, two side plates and back shroud, described back shroud is provided with multiple radiating block, the both sides being close to described radiating block that multiple described metal-oxide-semiconductor is symmetrical respectively, and that face relative with described radiating block on described back shroud is also provided with multiple radiating fin, the taper do not waited sized by the shape of described radiating fin, the tapered side of described radiating fin is also provided with multiple projection.The utility model expands the heat exchange area with air, improves radiating efficiency.Meanwhile, by the taper being arranged to differ in size by radiating fin, tapered side is also provided with projection, further increases the heat exchange area of radiating fin.Further, back shroud and radiating block integrated molding, optimize product structure, improves the heat transfer efficiency between back shroud and radiating block.
Description
Technical field
The utility model relates to brushless motor controller technical field, particularly relates to the brushless motor controller that a kind of thermal diffusivity is good.
Background technology
Motor is a kind of energy conversion device, is the kinetic energy being converted electric energy to rotation or straight line by electromagnet phenomenon.Due to electronic equipment widely using in electric, electronics and mechanical industry, motor application field is expanded; As the key sources of actuating force, the importance of motor increases day by day.In addition, along with the quick growth of industry, motor is as drive source, and its speed is faster, and capacity is larger.Along with the development of permanent magnetic material, automatically control and power electronic technology, brushless electric machine obtains good development.
A large amount of electronic devices and components are contained in the inside of brushless motor controller of the prior art, operationally easily produce a large amount of heats, if can not be dispelled the heat timely, then easily damage controller.
Utility model content
The utility model mainly solves technical problem existing in prior art, thus provides a kind of brushless motor controller of good heat dissipation effect.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
The brushless motor controller that the thermal diffusivity that the utility model provides is good, comprise box body, pcb board and multiple metal-oxide-semiconductor, described pcb board and metal-oxide-semiconductor are all positioned at described tray interior, described metal-oxide-semiconductor is arranged on described pcb board, described box body comprises header board, two side plates and back shroud, described header board and side plate integrated molding, described back shroud is provided with multiple radiating block, the both sides being close to described radiating block that multiple described metal-oxide-semiconductor is symmetrical respectively, and that face relative with described radiating block on described back shroud is also provided with multiple radiating fin, the taper do not waited sized by the shape of described radiating fin, the tapered side of described radiating fin is also provided with multiple projection, wherein, described back shroud and described radiating block integrated molding, and the area of described back shroud is greater than the area of described header board.
Further, multiple described projection is distributed in the tapered side of described radiating fin.
Further, that described radiating fin is gone back interval is provided with multiple ventilation hole.
Further, also dielectric film is scribbled between described metal-oxide-semiconductor and described radiating block.
Further, multiple described radiating fin is evenly distributed along the upper surface of described back shroud.
The beneficial effects of the utility model are: by metal-oxide-semiconductor being close to the both sides of radiating block, heat is conducted to rapidly the larger back shroud of area by radiating block, carry out quick heat radiating by the radiating fin on back shroud and back shroud, expand the heat exchange area with air, improve radiating efficiency.Meanwhile, by the taper being arranged to differ in size by radiating fin, tapered side is also provided with projection, further increases the heat exchange area of radiating fin.Further, back shroud and radiating block integrated molding, optimize product structure, improves the heat transfer efficiency between back shroud and radiating block.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the brushless motor controller that thermal diffusivity of the present utility model is good;
Fig. 2 is the partial enlarged drawing of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection range of the present utility model.
Consult shown in Fig. 1-2, the brushless motor controller that thermal diffusivity of the present utility model is good, comprise box body, pcb board 2 and multiple metal-oxide-semiconductor 3, pcb board 2 and metal-oxide-semiconductor 3 are all positioned at tray interior, metal-oxide-semiconductor 3 is arranged on pcb board 2, box body comprises header board 4, two side plates 5 and back shroud 6, header board 4 and side plate 5 integrated molding, back shroud 6 is provided with multiple radiating block 7, the both sides being close to radiating block 7 that multiple metal-oxide-semiconductor 3 is symmetrical respectively, and that face relative with radiating block 7 on back shroud 6 is also provided with multiple radiating fin 8, the taper do not waited sized by the shape of radiating fin 8, the tapered side of radiating fin 8 is also provided with multiple protruding 9, wherein, back shroud 6 and radiating block 7 integrated molding, and the area of back shroud 6 is greater than the area of header board 4.The utility model is by being close to the both sides of radiating block 7 by metal-oxide-semiconductor 3, heat is conducted to rapidly the larger back shroud of area 6 by radiating block 7, carry out quick heat radiating by the radiating fin 8 on back shroud 6 and back shroud 6, expand the heat exchange area with air, improve radiating efficiency.Meanwhile, by the taper that radiating fin 8 is arranged to differ in size, tapered side is also provided with protruding 9, further increases the heat exchange area of radiating fin 8.Further, back shroud 6 and radiating block 7 integrated molding, optimize product structure, improve the heat transfer efficiency between back shroud 6 and radiating block 7.In the utility model, the thickness of back shroud 6 can not be too thick, in order to avoid affect heat transfer efficiency.Preferably, the thickness of back shroud 6 is 2-3mm.
Preferably, multiple protruding 9 are distributed in the tapered side of radiating fin 8, are convenient to Homogeneouslly-radiating.Meanwhile, in order to accelerate air circulation, that radiating fin 8 is gone back interval is provided with multiple ventilation hole 10.In order to improve fail safe, between metal-oxide-semiconductor 3 and radiating block 7, also scribble dielectric film 1.And dispelling the heat evenly for the ease of back shroud 6, multiple radiating fin 8 is evenly distributed along the upper surface of back shroud 6.
Above, be only embodiment of the present utility model, but protection range of the present utility model is not limited thereto, any change of expecting without creative work or replacement, all should be encompassed within protection range of the present utility model.Therefore, the protection range that protection range of the present utility model should limit with claims is as the criterion.
Claims (5)
1. the brushless motor controller that a thermal diffusivity is good, comprise box body, pcb board (2) and multiple metal-oxide-semiconductor (3), described pcb board (2) and metal-oxide-semiconductor (3) are all positioned at described tray interior, described metal-oxide-semiconductor (3) is arranged on described pcb board (2), it is characterized in that: described box body comprises header board (4), two side plates (5) and back shroud (6), described header board (4) and side plate (5) integrated molding, described back shroud (6) is provided with multiple radiating block (7), the both sides being close to described radiating block (7) that multiple described metal-oxide-semiconductor (3) is symmetrical respectively, and upper that face relative with described radiating block (7) of described back shroud (6) is also provided with multiple radiating fin (8), the taper do not waited sized by the shape of described radiating fin (8), the tapered side of described radiating fin (8) is also provided with multiple projection (9), wherein, described back shroud (6) and described radiating block (7) integrated molding, and the area of described back shroud (6) is greater than the area of described header board (4).
2. the brushless motor controller that thermal diffusivity as claimed in claim 1 is good, is characterized in that: multiple described projection (9) is distributed in the tapered side of described radiating fin (8).
3. the brushless motor controller that thermal diffusivity as claimed in claim 2 is good, is characterized in that: that described radiating fin (8) is gone back interval is provided with multiple ventilation hole (10).
4. the brushless motor controller that thermal diffusivity as claimed in claim 1 is good, is characterized in that: also scribble dielectric film (1) between described metal-oxide-semiconductor (3) and described radiating block (7).
5. the brushless motor controller that thermal diffusivity as claimed in claim 4 is good, is characterized in that: multiple described radiating fin (8) is evenly distributed along the upper surface of described back shroud (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520284360.9U CN204578957U (en) | 2015-05-05 | 2015-05-05 | The brushless motor controller that a kind of thermal diffusivity is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520284360.9U CN204578957U (en) | 2015-05-05 | 2015-05-05 | The brushless motor controller that a kind of thermal diffusivity is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204578957U true CN204578957U (en) | 2015-08-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520284360.9U Expired - Fee Related CN204578957U (en) | 2015-05-05 | 2015-05-05 | The brushless motor controller that a kind of thermal diffusivity is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204578957U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106828197A (en) * | 2017-03-08 | 2017-06-13 | 常州市裕成富通电机有限公司 | Electric machine control system and electric automobile |
-
2015
- 2015-05-05 CN CN201520284360.9U patent/CN204578957U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106828197A (en) * | 2017-03-08 | 2017-06-13 | 常州市裕成富通电机有限公司 | Electric machine control system and electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20160505 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |