CN202153700U - Brushless magnet DC blower fan used for automobile - Google Patents
Brushless magnet DC blower fan used for automobile Download PDFInfo
- Publication number
- CN202153700U CN202153700U CN2011202510585U CN201120251058U CN202153700U CN 202153700 U CN202153700 U CN 202153700U CN 2011202510585 U CN2011202510585 U CN 2011202510585U CN 201120251058 U CN201120251058 U CN 201120251058U CN 202153700 U CN202153700 U CN 202153700U
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- motor
- brush
- stator
- automobile
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Abstract
The utility model provides a brushless magnet DC blower fan used for an automobile, which is compact in connection and substantially improves work reliability and work efficiency. A motor and a controller adopted by the blower fan have good control effects, can guarantee that a rotor can rotate according to a set direction, and have high reliability. The blower fan comprises a wind wheel, the motor and the controller, wherein the controller is arranged on a fixing plate of the motor, the motor is a brushless permanent DC motor, the motor comprises a stator, an external rotor and an insulating system, the wind wheel is arranged on the external rotor of the motor, a gap is formed at an arc end face of a T-shaped tooth portion of the stator according to a magnetic circuit design, and a rotating magnetic field is formed surrounding the arc end face of the T-shaped tooth portion
Description
Technical field
The utility model relates to brush-less permanent magnetic dc fan in the electrical technology, is specially automobile and uses the brush-less permanent magnetic dc fan.
Background technology
At present, automobile adopts with blower fan that brush direct current machine, power are arranged is 90W-800W; This automobile has a brush direct current machine with what blower fan adopted, and its structure includes rotor, the brush mount component of stator, band commutator, includes carbon brush, spring, brush room, vibration damping part in the brush mount component again; For in the parts processing and manufacturing process that the brush direct current machine is arranged, be prone to the rosin joint phenomenon simultaneously, be difficult for being examined; And commutator and carbon brush structure are complicated, and installing space is big, have the contact resistance of commutator and carbon brush of brush direct current machine very big; Greatly influenced machine operation reliability and useful life, efficient is also lower.
Adopt the brush-less permanent magnetic direct current machine now in the industry, the brush-less permanent magnetic direct current machine, good reliability is fit to the automobile blower fan and uses; And, normally adopt the mode of no Hall control for simplified structure, but do not have the motor of Hall control, need to be equipped with controller; And the controller internal circuit is complicated, and contact is many, and reliability also is difficult to guarantee; And the moment that controller control motor rotates, need be equipped with special circuit to the initial rotation direction of rotor, thereby also increase the complexity of controller.
Summary of the invention
Defective to prior art; The utility model provides a kind of automobile to use the brush-less permanent magnetic dc fan, and it connects compact, has improved functional reliability and operating efficiency greatly; The motor that it adopts; Controller has the better controlling effect, can guarantee that rotor rotates according to set direction, and reliability is high.
The technical scheme of the utility model is such: it comprises fan blade, motor and controller; Said controller is contained on the fixed head of motor; It is characterized in that: said motor is the brush-less permanent magnetic direct current machine, and said motor includes stator, external rotor and insulation system, and said fan blade is contained on the external rotor of motor; The circular arc end face of the T shape tooth portion of said stator is jagged by magnetic Circuit Design, makes it form the magnetic field of rotation on every side.
It is further characterized in that: said insulation system comprises stator core, insulation plate, outlet seat, and said insulation plate comprises insulation plate, the plate that insulate down, and said insulation plate passes through the injection mo(u)lding of stator insulation injection mold; Said stator core is clipped on said going up between insulation plate and the following insulation plate; Said outlet seat comprises outlet column, outlet terminal, and the last installed surface of said outlet column connects outlet terminal.
Compared with prior art, the advantage of the utility model is following:
(1) said brush-less permanent magnetic direct current machine, a magnetic field that is equivalent to rotate has been set up in design in air-gap field, presses magnetic Circuit Design one breach in the T of said stator shape tooth portion; Make air gap skewness between said stator and the said external rotor; The magnetic field intensity that produces, torsion difference, thus the magnetic field that rotates produced, said external rotor is fixed rotated to the breach direction; Improved the reliability of brush-less permanent magnetic direct current machine work; Simplify controller, thereby simplified the structure of brush-less permanent magnetic dc fan, guaranteed the reliability of blower fan.
(2) adopted the insulation plate in the said insulation system, said insulation plate can be guaranteed electrical safety performance and product quality requirement, and can adapt to around the rule automated production through the injection mo(u)lding of stator insulation injection mold.
(3) said outlet holder structure is compact, and is easy for installation, can be integrated with wiring, and said outlet terminal and external connection line can secure fixation.
Description of drawings
Fig. 1 is that a kind of automobile of the utility model makes up sketch map with brush-less permanent magnetic dc fan and controller;
Fig. 2 is the stator core partial view and the breach sketch map of the utility model;
Fig. 3 is the Z place enlarged drawing among Fig. 2;
Fig. 4 is the insulation plate and the stator core anabolic process sketch map of the utility model;
Fig. 5 is the stator module sketch map of the utility model.
Embodiment
See shown in Figure 1; A kind of automobile of the utility model adopts the brush-less permanent magnetic dc fan; It comprises fan blade 1, motor 2 and controller 3, and motor 2 is specially the brush-less permanent magnetic direct current machine, and motor 2 structures include stator 4, external rotor 5 and insulation system; Fan blade 1 is contained on the external rotor 5, and controller 3 is contained on the fixed head 7 of motor 2; Specifically see Fig. 2, shown in Figure 3; The circular arc end face of the T shape tooth portion of stator 4 has breach by magnetic circuit, makes air gap skewness between stator 4 and the external rotor 5, and the magnetic field intensity that produces, torsion are different; Thereby around it, produce the magnetic field of rotation; Make external rotor 5 fixing, improved the reliability of motor 2 work, and simplified controller 3 to the rotation of breach direction.
See Fig. 1, Fig. 4, shown in Figure 5; Insulation system comprises stator core 10, insulation plate, outlet seat; The insulation plate comprises the plate 8 that insulate, the plate 9 that insulate down; The insulation plate can be guaranteed electrical safety performance and product quality requirement, and can adapt to around the rule automated production through the injection mo(u)lding of stator insulation injection mold; Stator core 10 be by silicon steel sheet dash processing, folded system forms, and is clipped on insulation plate 8 and down between the insulation plate 9, stator core 10 around embedding polyester enamel insulated round copper wire, has been guaranteed stator 4 electrical safety performances according to Electromagnetic Design, and environmental protection, rate of finished products height; Outlet seat 11 comprises outlet column, outlet terminal 6, and the last installed surface of outlet column connects outlet terminal 6, and outlet seat 11 compact conformations can be integrated with connecting line, and outlet terminal 6 and connecting line can secure fixation; Stator module is installed in special tooling can conveniently carry out manual coiling, semi-automatic coiling, automatic winding by electrical schematic diagram.
Claims (3)
1. automobile is used the brush-less permanent magnetic dc fan, and it comprises fan blade, motor and controller, and said controller is contained on the fixed head of motor, it is characterized in that: said motor is the brush-less permanent magnetic direct current machine; Said motor comprises stator, external rotor and insulation system, and said fan blade is contained on the external rotor of motor, and the circular arc end face of the T shape tooth portion of said stator is jagged by magnetic Circuit Design, makes it form the magnetic field of rotation on every side.
2. use the brush-less permanent magnetic dc fan according to the said automobile of claim 1; It is characterized in that: said insulation system comprises stator core, insulation plate, outlet seat; Said insulation plate comprises insulation plate, the plate that insulate down, and said insulation plate is through the injection mo(u)lding of stator insulation injection mold; Said stator core is clipped on said going up between insulation plate and the following insulation plate.
3. use the brush-less permanent magnetic dc fan according to the said automobile of claim 2, it is characterized in that: said outlet seat comprises outlet column, outlet terminal, and the last installed surface of said outlet column connects outlet terminal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011202510585U CN202153700U (en) | 2011-07-17 | 2011-07-17 | Brushless magnet DC blower fan used for automobile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011202510585U CN202153700U (en) | 2011-07-17 | 2011-07-17 | Brushless magnet DC blower fan used for automobile |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202153700U true CN202153700U (en) | 2012-02-29 |
Family
ID=45694193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011202510585U Expired - Fee Related CN202153700U (en) | 2011-07-17 | 2011-07-17 | Brushless magnet DC blower fan used for automobile |
Country Status (1)
Country | Link |
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CN (1) | CN202153700U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102394547A (en) * | 2011-07-17 | 2012-03-28 | 无锡东南车辆科技有限公司 | Brushless permanent magnetic direct current (DC) fan for automobiles |
CN104319922A (en) * | 2014-10-17 | 2015-01-28 | 瑞安市科威汽车配件有限公司 | Smart brushless radiator fan motor for automobiles |
-
2011
- 2011-07-17 CN CN2011202510585U patent/CN202153700U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102394547A (en) * | 2011-07-17 | 2012-03-28 | 无锡东南车辆科技有限公司 | Brushless permanent magnetic direct current (DC) fan for automobiles |
CN104319922A (en) * | 2014-10-17 | 2015-01-28 | 瑞安市科威汽车配件有限公司 | Smart brushless radiator fan motor for automobiles |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120229 Termination date: 20130717 |