CN203708153U - Brushless motor controller - Google Patents
Brushless motor controller Download PDFInfo
- Publication number
- CN203708153U CN203708153U CN201320890886.2U CN201320890886U CN203708153U CN 203708153 U CN203708153 U CN 203708153U CN 201320890886 U CN201320890886 U CN 201320890886U CN 203708153 U CN203708153 U CN 203708153U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- power tube
- base circuit
- power
- aluminium base
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a brushless motor controller comprising a circuit board, at least a power tube and an outer shell, the circuit board and the at least a power tube are accommodated in the outer shell, and the at least a power tube is electrically connected to the circuit board. The circuit board is an aluminium base circuit board, the at least a power tube is directly welded on the aluminium base circuit board, a power output wire of the at least a power tube is led out from a welding face of the at least a power tube and the aluminium base circuit board, and the outer surface of the outer shell is provided with a number of heat dissipation thorns. The brushless motor controller is advantageous in that 1, the aluminium base circuit board is good in heat conduction and electric conduction performance and provided with insulation capability; 2, the power tube is directly welded on the aluminium base circuit board, the heat of the power tube can be rapidly dissipated, the high thermal capacitance of the aluminium base circuit board is used, and the maximum one minute power of the power tube is increased; 3, the power output wire is welded on the aluminium base circuit board and is very close to the power tube, and advantages of low electric conduction resistance and rapid heat dissipation are realized.
Description
Technical field
The utility model relates to electric machine controller, relates in particular to a kind of brushless motor controller of electric automobile.
Background technology
The power tube of the electric machine controller of conventional electric automobile uses aluminum strip heat radiation, by empire cloth, aluminum strip is close on MOSFET power tube, realizes the heat radiation of power tube.The power stage wire bonding of power tube is on circuit board, and circuit board is epoxy glass cloth laminated board (FR-4 Epoxy Glass Cloth, FR-4), causes Copper Foil load weight on circuit board, and circuit board is unreliable.
Utility model content
In view of this, the utility model provides a kind of brushless motor controller of the heat dispersion that can strengthen power tube.
The present invention is achieved in that a kind of brushless motor controller, and it comprises circuit board, at least one power tube, shell, and this circuit board, this at least one power tube are all housed in this shell, and this at least one power tube is electrically connected at this circuit board; Wherein: this circuit board is aluminum base circuit board, this at least one power tube is directly welded on this aluminum base circuit board, the power stage line of this at least one power tube is drawn from the solder side of this at least one power tube and this aluminum base circuit board, and the outer surface of this shell is provided with some heat radiation thorns.
As the further improvement of such scheme, this aluminum base circuit board is fixed on the inwall of this shell.
As the further improvement of such scheme, the solder side of this at least one power tube and this aluminum base circuit board forms pad, and the power stage line of this at least one power tube is drawn from corresponding pad.
Brushless motor controller of the present utility model, one, the fin of the aluminum base circuit board material power pipe that use is at present leading, aluminium base material has good heat-conductivity conducting performance, and has insulating capacity; Two, power tube (MOSFET pipe) is directly welded on aluminum base circuit board, and the loose heat except power tube, utilizes the thermal capacitance of aluminium base high fast, increases by one minute maximum power of power tube; Three, the power stage line of power tube is drawn from the solder side of power tube and aluminum base circuit board, thereby not only power stage line welds on aluminium base, and very near power tube, has conductive resistance low, the advantage that dissipation of heat is fast.
Accompanying drawing explanation
The structural representation of the brushless motor controller that Fig. 1 provides for the utility model preferred embodiments.
Main symbol description: power tube 1, circuit board 2, shell 3, power stage line 4, heat radiation thorn 5.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, it comprises circuit board 2, at least one power tube 1, shell 3 brushless motor controller that the utility model preferred embodiments provides.Circuit board 2, power tube 1 are all housed in shell 3, and power tube 1 is electrically connected at circuit board 2.In the present embodiment, the quantity of power tube 1 is illustrated take one as example, and power tube is MOSFET pipe.
Circuit board 2 is aluminum base circuit board, aluminum base circuit board is that PCB base board is made the circuit board claiming, also claim PCB aluminium base, it is a kind of metal-based copper-clad plate of uniqueness, PCB aluminium base has good thermal conductivity, electrical insulation properties and machining property, be a kind of metallic circuit plate material, formed by Copper Foil, heat conductive insulating layer and metal substrate, corresponding point three layers, its structure.This aluminum base circuit board can be fixed on the inwall of this shell 3, thereby this aluminum base circuit board large area contact aluminium shell 3, heat is led to this brushless motor controller and dissipate outward.
Power tube 1 is directly welded on this aluminum base circuit board, the power stage line 4 of power tube 1 is drawn from power tube 1 and the solder side of this aluminum base circuit board, thereby power stage line 4 is welded on this aluminum base circuit board the position near power tube 1, conductive resistance is low, and dissipation of heat is fast.
Power tube 1 forms pad with the solder side of this aluminum base circuit board, and the power stage line 4 of power tube 1 is drawn from corresponding pad, and power stage line 4 contacts closely with power tube 1, and conductive resistance is low.
The outer surface of shell 3 is provided with some heat radiation thorns 5, thereby expands area of dissipation, accelerates the heat radiation of this brushless motor controller.
In sum, brushless motor controller of the present utility model, one, the fin of the aluminum base circuit board material power pipe that use is at present leading, aluminium base material has good heat-conductivity conducting performance, and has insulating capacity; Two, power tube (MOSFET pipe) is directly welded on aluminum base circuit board, and the loose heat except power tube, utilizes the thermal capacitance of aluminium base high fast, increases by one minute maximum power of power tube; Three, the power stage line of power tube is drawn from the solder side of power tube and aluminum base circuit board, thereby not only power stage line welds on aluminium base, and very near power tube, has conductive resistance low, the advantage that dissipation of heat is fast.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (3)
1. a brushless motor controller, it comprises circuit board, at least one power tube, shell, and this circuit board, this at least one power tube are all housed in this shell, and this at least one power tube is electrically connected at this circuit board; It is characterized in that: this circuit board is aluminum base circuit board, this at least one power tube is directly welded on this aluminum base circuit board, the power stage line of this at least one power tube is drawn from the solder side of this at least one power tube and this aluminum base circuit board, and the outer surface of this shell is provided with some heat radiation thorns.
2. brushless motor controller as claimed in claim 1, is characterized in that: this aluminum base circuit board is fixed on the inwall of this shell.
3. brushless motor controller as claimed in claim 1, is characterized in that: the solder side of this at least one power tube and this aluminum base circuit board forms pad, and the power stage line of this at least one power tube is drawn from corresponding pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890886.2U CN203708153U (en) | 2013-12-31 | 2013-12-31 | Brushless motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890886.2U CN203708153U (en) | 2013-12-31 | 2013-12-31 | Brushless motor controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203708153U true CN203708153U (en) | 2014-07-09 |
Family
ID=51058531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320890886.2U Expired - Fee Related CN203708153U (en) | 2013-12-31 | 2013-12-31 | Brushless motor controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203708153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162385A (en) * | 2015-09-10 | 2015-12-16 | 肥东凯利电子科技有限公司 | Motor controller |
-
2013
- 2013-12-31 CN CN201320890886.2U patent/CN203708153U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162385A (en) * | 2015-09-10 | 2015-12-16 | 肥东凯利电子科技有限公司 | Motor controller |
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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: 20140709 Termination date: 20141231 |
|
| EXPY | Termination of patent right or utility model |