CN102122875B - DC brushless motor - Google Patents
DC brushless motor Download PDFInfo
- Publication number
- CN102122875B CN102122875B CN201110006317.2A CN201110006317A CN102122875B CN 102122875 B CN102122875 B CN 102122875B CN 201110006317 A CN201110006317 A CN 201110006317A CN 102122875 B CN102122875 B CN 102122875B
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- China
- Prior art keywords
- drive circuit
- circuit substrate
- substrate
- mentioned
- brushless motor
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- 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
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Abstract
It is an object of the invention to provide a kind of DC brushless motor also improving dust tightness and water proofing property while improve productivity ratio。To achieve these goals, the invention provides following DC brushless motor, its on the carriage member (6) projecting from motor body (5) side integrally installed with drive circuit substrate (7), this drive circuit substrate (7) is provided with for carrying out multiple driving coils (2, ...) the drive circuit (12) of current switching, wherein, the substrate housings (13) that geomery is corresponding with drive circuit substrate (7) is set, in the way of opposing brackets parts (6) are in required installation form, drive circuit substrate (7) under assembled state is inserted in substrate housings (13), utilization is dripped in this substrate housings (13) and drive circuit substrate (7) is integrally mounted on carriage member (6) by the Embedding Material that solidifies。
Description
Technical field
The present invention relates to DC brushless motor (DC brushless electric machine), particularly to that use in the electric tools such as impact driver machine, to also improve dust tightness and water proofing property while improve productivity ratio DC brushless motor。
Background technology
It is said that in general, in the electric tools such as impact driver machine, use by the battery-powered and motor that works as its rotary driving source。As the prior art with this motor, for instance be known to following electric tool。In the above prior art, being built-in with motor in the cylindrical body part of shell, this motor works by being powered by the battery being accommodated in set of cells。The shell of this main part is provided through motor cooling opening。In the way of forwards highlighting, set of cells installation portion is defined in the lower end of the handle portion extended downwards from aforementioned body portion, it is arranged around circuit incorporating section at this front protuberance, this circuit incorporating section has been provided with the control circuit substrate for output torque and the rotating speed etc. of above-mentioned motor are controlled。While making the control from this control circuit substrate above-mentioned motor of arrival be wired through the logical line space part for making this control be wired through, fill the dust-proof padded coaming being configured with for clogging above-mentioned logical line space part。Control circuit substrate as sophisticated electronics for vibration or dust, also includes the vulnerable of water certainly, can produce the bad such unfavorable condition of action because corroding or short circuit causes。In contrast, by arranging above-mentioned dust-proof padded coaming, even if dust or water enter from above-mentioned motor cooling opening etc. and make handle portion fall because of gravity, it is also possible to prevent above-mentioned dust or water from entering into circuit incorporating section。Thus, it is possible to avoid the unfavorable condition (for example, see patent documentation 1) of the control circuit substrate caused because of dust or water。
Patent documentation 1: Japanese Unexamined Patent Publication 2006-205284 publication
In the prior art that patent documentation 1 is recorded, even if dust or water enter from the motor cooling opening the shell being disposed through main part and make handle portion fall because of gravity, dust-proof padded coaming can also be utilized to prevent above-mentioned dust or water from entering into circuit incorporating section, for the control circuit substrate as sophisticated electronics, it is possible to avoid the unfavorable condition because dust or water cause。
It addition, about the motor as rotary driving source in the electric tools such as impact driver machine, be generally adopted the DC brushless motor with higher spinfunction。This DC brushless motor needs to set up drive circuit to carry out the current switching driving coil, and the drive circuit substrate being provided with this drive circuit is installed on motor body integratedly。Above-mentioned drive circuit substrate is also the sophisticated electronics identical with above-mentioned control circuit substrate, and when this drive circuit substrate creates unfavorable condition because of dust or water etc., the action of DC brushless motor entirety can produce bad。Therefore, drive circuit substrate is also required that to raising dust tightness and water proofing property, so generally drive circuit substrate being implemented resin coating etc.。But, resin coating operation is manual work, causes that productivity ratio declines。
Summary of the invention
Therefore, in order to putting forward large-duty raising dust tightness and water proofing property simultaneously, create and need to be solved the technical problem that, it is an object of the invention to solve above-mentioned technical problem。
The present invention proposes to achieve these goals, invention described in technical scheme 1 provides following DC brushless motor, its on the carriage member projecting from the motor body side with multiple driving coil and rotor integrally installed with drive circuit substrate, this drive circuit substrate is provided with the drive circuit carrying out the current switching to above-mentioned multiple driving coils, it is characterized in that, the substrate housings that geomery is corresponding with above-mentioned drive circuit substrate is set, in the way of relatively above-mentioned carriage member is in required installation form, above-mentioned drive circuit substrate under assembled state is inserted in aforesaid substrate housing, above-mentioned drive circuit substrate is integrally mounted on above-mentioned carriage member by the Embedding Material utilized in this substrate housings that drips and solidify。
According to this structure, when installing drive circuit substrate on carriage member, in the way of opposing brackets parts are in required installation form, the drive circuit substrate under assembled state is inserted in substrate housings, only implements embedding and process and with required installation form, drive circuit substrate can be installed integratedly by opposing brackets parts；Further, utilize as thermosetting resins such as the epoxies of Embedding Material, silicones drive circuit substrate enforcement coating。
Invention effect
Invention described in technical scheme 1 has the advantage that when installing drive circuit substrate on carriage member, only implement embedding to process, without carrying out screw fixed work order etc., opposing brackets parts can be integrally installed by drive circuit substrate efficiently, improve productivity ratio, further, improve dust tightness and water proofing property by utilizing thermosetting resin that this drive circuit substrate is implemented coating。
The simple declaration of accompanying drawing
Accompanying drawing shows the DC brushless motor that the present embodiments relate to。
Fig. 1 is the profilograph of the internal structure showing DC brushless motor。
Fig. 2 is the axonometric chart of the outward appearance of display base plate housing parts。
Fig. 3 is the axonometric chart of the DC brushless motor displayed after removing substrate housings。
Detailed description of the invention
The present invention is in order to realize putting forward large-duty purpose improving dust tightness and water proofing property simultaneously, realized by following DC brushless motor, its on the carriage member projecting from the motor body side with multiple driving coil and rotor integrally installed with drive circuit substrate, this drive circuit substrate is provided with the drive circuit for carrying out the current switching to above-mentioned multiple driving coils, wherein, the substrate housings that geomery is corresponding with above-mentioned drive circuit substrate is set, in the way of relatively above-mentioned carriage member is in required installation form, above-mentioned drive circuit substrate under assembled state is inserted in aforesaid substrate housing, above-mentioned drive circuit substrate is integrally mounted on above-mentioned carriage member by the Embedding Material utilized in this substrate housings that drips and solidify。
Embodiment 1
Hereinafter, referring to figs. 1 through Fig. 3, the preferred embodiments of the present invention are illustrated。First, the structure of DC brushless motor the present embodiment related to illustrates。As shown in Figures 1 and 3, DC brushless motor 1 is constituted based on such as lower component: motor body 5, and it includes the magnet rotor 4 of the stator 3 and inner central section being rotationally arranged at this stator 3 with multiple driving coil 2 ...；Drive circuit substrate 7, it is installed on this motor body 5 integratedly via multiple carriage members 6 ... projecting from this motor body 5 side。
Said stator 3 is to constitute by being wound around driving coil 2 respectively on volume frame 9 in the part being installed on each magnetic core 8, that be made up of insulant。Above-mentioned magnet rotor 4 is fixed on output shaft 10, and this output shaft 10 is supported in the way of rotatable by ball bearing 11,11。The part corresponding with above-mentioned output shaft 10 of above-mentioned drive circuit substrate 7 is formed annular so that circular 7a cuts, and is used for the drive circuit 12 ... that carry out the current switching to above-mentioned multiple driving coils 2 ... and by ICization and is installed in this drive circuit substrate 7。The portion of terminal 7b of this drive circuit substrate 7 is connected to the supply lines etc. of the control signal wire of not shown control circuit for output torque and the rotating speed of DC brushless motor 1 are controlled and not shown battery。
In the present embodiment, as shown in Figure 2, it is provided with the substrate housings 13 that geomery is corresponding with above-mentioned drive circuit substrate 7, it is in the mode of required installation form with opposing brackets parts 6 ..., the drive circuit substrate 7 after combination is inserted in aforesaid substrate housing 13, the drive circuit substrate 7 under this state and carriage member 6 ... are implemented embedding and processes。At this moment, in order to prevent the position of each parts from offseting, it is possible to use screw or buckle etc. are fixed temporarily。Being processed by above-mentioned embedding, not shown Embedding Material drips in substrate housings 13 and solidifies, thus above-mentioned drive circuit substrate 7 being integrally mounted on above-mentioned carriage member 6 ...。Additionally, the part at the prominent output shaft 10 of the rear side to motor body 5 is mounted with the fan 14 for motor is cooled down。
Then, the effect of DC brushless motor 1 constructed as disclosed above is illustrated。When above installing drive circuit substrate 7 to carriage member 6 ..., it is in the mode of required installation form with opposing brackets parts 6 ..., the drive circuit substrate 7 after combination is inserted in substrate housings 13, the Embedding Material that drips in this substrate housings 13 processes to implement embedding, thus opposing brackets parts 6 ... install above-mentioned drive circuit substrate 7 integratedly with required installation form。And, meanwhile, utilize, as thermosetting resins such as the epoxies of Embedding Material, silicones, drive circuit substrate 7 is implemented coating。
As mentioned above, in the DC brushless motor 1 that the present embodiment relates to, when above installing drive circuit substrate 7 to carriage member 6 ..., only implement embedding to process, without carrying out screw fixed work order etc., it is possible to opposing brackets parts 6 ... install drive circuit substrate 7 with required installation form one efficiently, improve productivity ratio, further, improve dust tightness and water proofing property by utilizing thermosetting resin that this drive circuit substrate 7 is implemented coating。
It addition, the present invention can carry out various change under the premise without departing from present subject matter, it is clear that the content after above-mentioned change is also contained in the present invention。
Industrial applicibility
Present invention rotary driving source suitable in the electric tools such as the also indispensable impact driver machine of the raising of dust tightness carrying large-duty while and water proofing property。
Claims (1)
1. a DC brushless motor, its on the carriage member projecting from the motor body side with multiple driving coil and rotor integrally installed with drive circuit substrate, this drive circuit substrate is provided with the drive circuit carrying out the current switching to above-mentioned multiple driving coils, it is characterized in that
The substrate housings that geomery is corresponding with above-mentioned drive circuit substrate is set, in the way of relatively above-mentioned carriage member is in required installation form, the above-mentioned drive circuit substrate under assembled state is inserted in aforesaid substrate housing, the Embedding Material utilized in this substrate housings that drips and solidify utilizes this Embedding Material above-mentioned drive circuit substrate and aforesaid substrate housing to be integrally mounted on above-mentioned carriage member while above-mentioned drive circuit substrate is coated。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010003340A JP2011142784A (en) | 2010-01-08 | 2010-01-08 | Dc brushless motor |
| JP2010-003340 | 2010-01-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102122875A CN102122875A (en) | 2011-07-13 |
| CN102122875B true CN102122875B (en) | 2016-06-22 |
Family
ID=44251356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110006317.2A Expired - Fee Related CN102122875B (en) | 2010-01-08 | 2011-01-10 | DC brushless motor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2011142784A (en) |
| CN (1) | CN102122875B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6074588B2 (en) * | 2012-04-24 | 2017-02-08 | パナソニックＩｐマネジメント株式会社 | Electric motor |
| CN109951027A (en) * | 2019-04-06 | 2019-06-28 | 卧龙电气驱动集团股份有限公司 | A kind of novel built-in driving direct-flow vibrating |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5327064A (en) * | 1990-07-06 | 1994-07-05 | Hitachi, Ltd. | Brushless motor incorporating an integrated circuit having a single chip peripheral circuit |
| CN101236996A (en) * | 2007-02-02 | 2008-08-06 | 夏普株式会社 | Resin-sealed semiconductor light receiving element, manufacturing method thereof and electronic device using the same |
| CN101461294A (en) * | 2006-06-01 | 2009-06-17 | 松下电器产业株式会社 | Brushless motor for washing machine and washing machine having the brushless motor mounted therein |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06178514A (en) * | 1992-12-02 | 1994-06-24 | Shibaura Eng Works Co Ltd | Molded motor |
| JP2001128417A (en) * | 2000-09-18 | 2001-05-11 | Hitachi Ltd | Motor |
| JP4869165B2 (en) * | 2007-06-28 | 2012-02-08 | 昭和電工株式会社 | Method for manufacturing light emitting device |
-
2010
- 2010-01-08 JP JP2010003340A patent/JP2011142784A/en active Pending
-
2011
- 2011-01-10 CN CN201110006317.2A patent/CN102122875B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5327064A (en) * | 1990-07-06 | 1994-07-05 | Hitachi, Ltd. | Brushless motor incorporating an integrated circuit having a single chip peripheral circuit |
| CN101461294A (en) * | 2006-06-01 | 2009-06-17 | 松下电器产业株式会社 | Brushless motor for washing machine and washing machine having the brushless motor mounted therein |
| CN101236996A (en) * | 2007-02-02 | 2008-08-06 | 夏普株式会社 | Resin-sealed semiconductor light receiving element, manufacturing method thereof and electronic device using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011142784A (en) | 2011-07-21 |
| CN102122875A (en) | 2011-07-13 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20160622 Termination date: 20180110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |