CN102280984A - Direct current motor for cooling fan of automobile engine - Google Patents
Direct current motor for cooling fan of automobile engine Download PDFInfo
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- CN102280984A CN102280984A CN201110229481XA CN201110229481A CN102280984A CN 102280984 A CN102280984 A CN 102280984A CN 201110229481X A CN201110229481X A CN 201110229481XA CN 201110229481 A CN201110229481 A CN 201110229481A CN 102280984 A CN102280984 A CN 102280984A
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- commutator
- direct current
- support
- armature
- cooling fan
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Abstract
The invention discloses a direct current motor for a cooling fan of an automobile engine, which comprises a stator and a rotor with a commutator, wherein the stator comprises a baseframe, steel magnets fixed on the baseframe and an electric brush component which is mounted on the baseframe and matched with the commutator, the number of the steel magnets is six, the six steel magnets are circumferentially uniformly arranged on the inner wall of the baseframe, the rotor comprises a rotor shaft which is mounted on the baseframe in a rotating manner and an armature iron core fixed on the rotor shaft, the number of slots of the armature iron core is 10, the number of commutator segments of the commutator is 20, the electric brush component comprises four electric brushes matched with the commutator, the electric brushes are circumferentially uniformly arranged at intervals of 60 degrees, and an armature winding is wound on the armature iron core through the way of combining wave winding with lap winding. Compared with the ordinary motor in the same volume, the direct current motor is high in power; furthermore, the structure is simplified and the production cost is saved.
Description
Technical field
The present invention relates to a kind of direct current machine, be meant a kind of automobile engine cooling fan direct current machine especially.
Background technology
Engine-cooling system mainly adopts the direct current machine drives fan wheel to dispel the heat at present, but because automobile front chamber spatial limitation, thereby the heat dissipation capacity of the cooling fan of demand is big, thereby cause power of motor big, and the narrow and small volume of motor that causes in space can not be excessive, and this just constitutes the little and big paradox of power requirement of motor volume requirement.And employed commutator segment number of the direct current machine of present traditional cooling fan and the identical structure of armature core groove number, when being slotted, armature core can be left many waste materials, the production of armature core causes the waste with waste material, the utilance of iron is bad, has caused the production cost of direct current machine higher.
Summary of the invention
Technical problem to be solved by this invention is: a kind of automobile engine cooling fan direct current machine is provided, and this direct current machine is bigger than the power of the common electric machine of equal volume, and simplifies the structure, and has saved production cost.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of automobile engine cooling fan direct current machine, comprise stator and the rotor that has commutator, described stator comprises support, be fixed in the magnet steel on the support and be installed on the brush assembly of electric that is used with described commutator on the support, the number of described magnet steel is six, described six magnet steel circumferentially are evenly arranged in inboard wall of base, described rotor comprises armature spindle that is rotatably installed on the support and the armature core that is fixed on the armature spindle, the groove number of described armature core is 10, the number of segment of described commutator is 20, described brush assembly of electric comprises four brushes that cooperate with commutator, between the described brush circumferentially at interval 60 ° evenly arrange, be wound with armature winding by ripple around the mode that combines with lap wound on the described armature core.
As a kind of preferred scheme, described support is provided with louvre.
As a kind of preferred scheme, the EMC element is installed in the described direct current machine.
As a kind of preferred scheme, be provided with wave washer between the end of described armature spindle and the support.
After having adopted technique scheme, effect of the present invention is: because described a kind of automobile engine cooling fan direct current machine, comprise stator and the rotor that has commutator, described stator comprises support, be fixed in the magnet steel on the support and be installed on the brush assembly of electric that is used with described commutator on the support, the number of described magnet steel is six, described six magnet steel circumferentially are evenly arranged in inboard wall of base, described rotor comprises armature spindle that is rotatably installed on the support and the armature core that is fixed on the armature spindle, the groove number of described armature core is 10, the number of segment of described commutator is 20, described brush assembly of electric comprises four brushes that cooperate with commutator, circumferential 60 ° of even layouts at interval between the described brush, be wound with armature winding by ripple around the mode that combines with lap wound on the described armature core, form stator magnetic circuit owing to adopt six high-performance magnet steel to be symmetrically distributed, form 6 utmost point motors, thereby power can be up to 280W, motor diameter can design and be no more than φ 97mm, and the groove number of armature core is 10, comparing the at present traditional direct current machine employing number of segment and the groove number average of armature core is 20,10 grooves have been lacked, the generation of waste material when also just having reduced fluting, also reduced the process operations of fluting, improved the utilance of the iron of armature core, simplify the structure, saved production cost.Commutator segment is 2 times of groove number of armature core in addition, can reduce bar-to-bar voltage, suppresses spark.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the structure cutaway view of the embodiment of the invention;
Fig. 2 is the coiling schematic diagram of the embodiment of the invention;
In the accompanying drawing: 1, support; 2, magnet steel; 3, armature core; 4, armature winding; 5, commutator; 51, commutator segment; 6, armature spindle; 7, bearing; 8, brush holder plate; 9, brace; 10, brush box; 11, brush; 12, spring; 13, brace; 14, EMC element; 15, ball bearing; 16, wave washer; 17, rear end cap.
Embodiment
The present invention is described in further detail below by specific embodiment.
A kind of automobile engine cooling fan direct current machine, as depicted in figs. 1 and 2, comprise stator and the rotor that has commutator 5, described stator comprises support 1, is fixed in the magnet steel 2 on the support 1 and is installed on the brush assembly of electric that is used with described commutator 5 on the support 1, the number of described magnet steel 2 is six, described six magnet steel 2 are circumferentially evenly arranged and are bonded at support 1 inwall, obtain magnetic property by radial magnetizing, form stator magnetic circuit.Described rotor comprises armature spindle 6 that is rotatably installed on the support 1 and the armature core 3 that is fixed on the armature spindle 6, armature spindle 6 and support 1 are provided with bearing 7, armature spindle 6 and bearing 7 interference fits, the other end of armature spindle 6 is provided with ball bearing 15, be provided with wave washer 16 between armature spindle 6 ends and the rear end cap 17, play the effect of adjusting motor end play.Riveted and fixed between rear end cap 17 and the support 1, whole rear end cap 17 and support 1 have constituted casing, described armature core 3 adopts interference fit with armature spindle 6, described commutator 5 and armature spindle 6 tight fits, the groove number of described armature core 3 is 10, the sheet number of the commutator segment 51 of described commutator 5 is 20, and described brush assembly of electric comprises brush holder plate 8, and brush holder plate 8 adopts engineering plastics high temperature resistant and that intensity is higher injection molded.Described brush holder plate 8 is positioned at the junction of support 1 and rear end cap 17, brace 139 is fixed on the brush holder plate 8, brush box 10 is anchored on the brush holder plate 8, spring 12 is positioned at the chamber of brush box 10, brush 11 places brush box 10 cavitys and brace 139 to be connected by spot welding, described brush 11 is four brushes 11, circumferential 60 ° of even layouts at interval between the described brush 11, for reducing electromagnetic noise, brush 11 adopts ramp structures, is wound with armature winding 4 by ripple around the mode that combines with lap wound on the described armature core 3.
Be equipped with louvre on described support 1 and the rear end cap 17, be convenient to the heat radiation of motor, thereby reduce the temperature rise of motor, improve reliability.。EMC element 14 is installed in the described direct current machine, and described EMC element 14 and brace 139 welding make the anti-levels of electromagnetic interference of motor be greatly improved.
As shown in Figure 2, enamelled wire is around on the armature core 3, and ripple is formed armature winding 4 around the winding mode that combines with lap wound, when carbon brush contact commutator 5, forms the rotor field.Stator and rotor magnetic field reciprocation, according to left hand rule, charged enamelled wire produces magnetic pull, drives rotor shaft 6 rotations.
Claims (4)
1. automobile engine cooling fan direct current machine, comprise stator and the rotor that has commutator, described stator comprises support, be fixed in the magnet steel on the support and be installed on the brush assembly of electric that is used with described commutator on the support, it is characterized in that: the number of described magnet steel is six, described six magnet steel circumferentially are evenly arranged in inboard wall of base, described rotor comprises armature spindle that is rotatably installed on the support and the armature core that is fixed on the armature spindle, the groove number of described armature core is 10, the number of segment of described commutator is 20, described brush assembly of electric comprises four brushes that cooperate with commutator, between the described brush circumferentially at interval 60 ° evenly arrange, be wound with armature winding by ripple around the mode that combines with lap wound on the described armature core.
2. automobile engine cooling fan direct current machine as claimed in claim 1 is characterized in that: described support is provided with louvre.
3. automobile engine cooling fan direct current machine as claimed in claim 2 is characterized in that: the EMC element is installed in the described direct current machine.
4. automobile engine cooling fan direct current machine as claimed in claim 2 is characterized in that: be provided with wave washer between the end of described armature spindle and the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110229481 CN102280984B (en) | 2011-08-11 | 2011-08-11 | Direct current motor for cooling fan of automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110229481 CN102280984B (en) | 2011-08-11 | 2011-08-11 | Direct current motor for cooling fan of automobile engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102280984A true CN102280984A (en) | 2011-12-14 |
| CN102280984B CN102280984B (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110229481 Active CN102280984B (en) | 2011-08-11 | 2011-08-11 | Direct current motor for cooling fan of automobile engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN102280984B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103227545A (en) * | 2012-01-27 | 2013-07-31 | 德昌电机(深圳)有限公司 | Electric motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201146440Y (en) * | 2008-01-04 | 2008-11-05 | 刘汉忠 | Electromagnetic compatibility permanent magnetic DC motor |
| CN101783567A (en) * | 2009-01-19 | 2010-07-21 | 德昌电机(深圳)有限公司 | DC motor and cooling fan module using same |
| WO2010137642A1 (en) * | 2009-05-28 | 2010-12-02 | 日本電産株式会社 | Motor |
| CN202183715U (en) * | 2011-08-11 | 2012-04-04 | 张家港朗信电气有限公司 | Direct current motor for cooling fan of automobile engine |
-
2011
- 2011-08-11 CN CN 201110229481 patent/CN102280984B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201146440Y (en) * | 2008-01-04 | 2008-11-05 | 刘汉忠 | Electromagnetic compatibility permanent magnetic DC motor |
| CN101783567A (en) * | 2009-01-19 | 2010-07-21 | 德昌电机(深圳)有限公司 | DC motor and cooling fan module using same |
| WO2010137642A1 (en) * | 2009-05-28 | 2010-12-02 | 日本電産株式会社 | Motor |
| CN202183715U (en) * | 2011-08-11 | 2012-04-04 | 张家港朗信电气有限公司 | Direct current motor for cooling fan of automobile engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103227545A (en) * | 2012-01-27 | 2013-07-31 | 德昌电机(深圳)有限公司 | Electric motor |
| CN103227545B (en) * | 2012-01-27 | 2017-06-06 | 德昌电机(深圳)有限公司 | Brush direct current motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102280984B (en) | 2013-05-08 |
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| C14 | Grant of patent or utility model | ||
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| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU LANGXIN ELECTRIC CO., LTD. Free format text: FORMER NAME: ZHANGJIAGANG LANGXIN ELECTRIC CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 215625, Jiangsu, Zhangjiagang, Fengzhen, Jiangsu Yangtze River International Metallurgical Industry Park, Yang Kam Road on the east side of Jiangsu long letter Electric Co., Ltd. Patentee after: JIANGSU LANGXIN ELECTRIC Co.,Ltd. Address before: 215600 Nanzhuang, Zhangjiagang Economic Development Zone, Suzhou, Jiangsu Patentee before: Zhangjiagang Langxin Electrical Co.,Ltd. |
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Address after: No. 8, Xinfeng Hexi Road, Tangshi, Yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province 215600 Patentee after: Jiangsu Langxin Electric Co.,Ltd. Address before: 215625 Jiangsu Langxin Electric Co., Ltd., east of Yangjin Road, Jiangsu Yangtze River International Metallurgical Industrial Park, Jinfeng Town, Zhangjiagang, Jiangsu Province Patentee before: JIANGSU LANGXIN ELECTRIC Co.,Ltd. |