A kind of ventilated motor
Technical field
The utility model relates to a kind of motor, particularly a kind of ventilated motor.
Background technology
Motor is a kind of equipment electric energy being converted to mechanical energy.It utilizes hot-wire coil (namely stator winding) to produce rotating magnetic field and act on rotor (as squirrel-cage closes aluminium frame) to form electro-magnetic motor force rotation torque.Motor is divided into DC motor and alternating current motor by use power supply difference, motor major part in electric power system is alternating current machine, can be synchronous machine or asynchronous machine (motor stator rotational speed of magnetic field and rotor rotary rpm do not keep synchronous speed).Motor forms primarily of stator and rotor, and the direction of electrified wire movement under force in magnetic field is relevant with magnetic induction line (magnetic direction) direction with the sense of current.Motor operation principle is magnetic field to the stressed effect of electric current, and motor is rotated.Due to long-time use, rotor turns and coil can produce heat, because common motor radiating effect is bad, motor therefore can be caused short for useful life.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is to provide the ventilated motor of a kind of good heat dissipation effect, long service life.
(2) technical scheme
For solving the problems of the technologies described above, the utility model provides a kind of ventilated motor, and it comprises shell body 1 and is positioned at the inner housing 2 of described shell body 1, gap between the left end of described inner housing 2 and the left end of described shell body 1 forms air-inlet cavity 101, gap between the right-hand member of described inner housing 2 and the right-hand member of described shell body 1 forms air-out chamber 102, gap between the sidewall of described inner housing 2 and the sidewall of described shell body 1 forms the cooling chamber 103 being communicated with described air-inlet cavity 101 and described air-out chamber 102, stator 201 and rotor 202 is provided with in described inner housing 2, the rear end output shaft of described rotor 202 extends to outside described shell body 1 through after described air-inlet cavity 101, the front end output shaft of described rotor 202 extends to outside described shell body 1 through behind described air-out chamber 102, the front end output shaft of described rotor is fixed with fan 3, described fan 3 is positioned at described air-out chamber 102, described cooling chamber 103 inner circumferential is evenly equipped with flow deflector, the length direction of described flow deflector is parallel to the axis direction of described rotor, the sidewall of described air-inlet cavity offers air inlet 1011, the sidewall in described air-out chamber offers air outlet 1021.
Further, the end winding support of described inner housing 2 has conical fair water cone 4, and described conical fair water cone 4 is positioned at described air-inlet cavity.
Further, described flow deflector comprises circumference and is distributed on the first flow deflector 51 of described inner housing 2 outer wall and circumferential the second flow deflector 52 being distributed on described shell body inwall, and described first flow deflector and described second flow deflector are crisscross arranged.
Further, the aperture of described cooling chamber 103 reduces gradually towards side, described air-out chamber.
Further, described inner housing 2 and described first baffler 51 are metal structure and one-body molded.
Further, the width of described baffler is 0.7-0.9 times of the semidiameter of described inner housing outer wall and described shell body inwall.
Further, described baffler is spirality.
Further, described air inlet is opened in the end face of described shell body 1, and described air outlet is opened in the sidewall of described shell body.
(3) beneficial effect
The utility model ventilated motor, is provided with two housings, and is formed with air-out chamber, air-inlet cavity and cooling chamber between two housing, drives air flowing, fully discharged by the heat of inside, good cooling results, thus improve the useful life of motor by fan.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model ventilated motor;
Fig. 2 is the transverse sectional view of the utility model ventilated motor;
Fig. 3 is the left view of the utility model ventilated motor.
Embodiment
Consult Fig. 1 ~ Fig. 3, the utility model provides a kind of ventilated motor, it inner housing 2 comprising shell body 1 and be positioned at this shell body 1, gap between the left end of inner housing 2 and the left end of described shell body 1 forms air-inlet cavity 101, gap between the right-hand member of inner housing 2 and the right-hand member of shell body 1 forms air-out chamber 102, gap between the sidewall of inner housing 2 and the sidewall of shell body 1 forms the cooling chamber 103 being communicated with air-inlet cavity 101 and air-out chamber 102, the aperture of this cooling chamber 103 reduces gradually towards side, air-out chamber, namely import is large, goes out young, stator 201 and rotor 202 is provided with in inner housing 2, the rear end output shaft of rotor 202 extends to outside shell body 1 through after air-inlet cavity 101, the front end output shaft of rotor 202 extends to outside shell body 1 through behind air-out chamber 102, the front end output shaft of rotor is fixed with fan 3, this fan 3 is positioned at air-out chamber 102, flow deflector is evenly equipped with in cooling chamber 103 inner circumferential, the length direction of this flow deflector is parallel to the axis direction of rotor, in the present embodiment, this flow deflector comprises circumference and is distributed on the first flow deflector 51 of inner housing 2 outer wall and circumferential the second flow deflector 52 being distributed on shell body inwall, and the first flow deflector and described second flow deflector are crisscross arranged, and inner housing 2 and the first baffler 51 are metal structure and one-body molded, simultaneously shell body and the second baffler are also metal structure and one-body molded, preferably, all made of aluminum, and the first flow deflector and the second flow deflector are spirality, it improves the distance of distinguished and admirable mistake, be beneficial to heat radiation, form whirlwind simultaneously, substantially increase wind energy, improve radiating effect, and the width of baffler in the present embodiment be the 0.7-0.9 of the semidiameter of inner housing outer wall and shell body inwall doubly (comprising two-end-point), in order to avoid air turbulence, improve radiating effect and reduce noise, have conical fair water cone 4 at the end winding support of inner housing 2, this conical fair water cone 4 is positioned at air-inlet cavity, offer air inlet 1011 at the sidewall of air-inlet cavity, in the present embodiment, be opened in the end face of shell body 1, offer air outlet 1021 at the sidewall in air-out chamber, in the present embodiment, be opened in the sidewall of shell body.
The utility model ventilated motor, is provided with two housings, and is formed with air-out chamber, air-inlet cavity and cooling chamber between two housing, drives air flowing, fully discharged by the heat of inside, good cooling results, thus improve the useful life of motor by fan.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.