CN213846498U

CN213846498U - High-efficiency energy-saving brushless DC motor

Info

Publication number: CN213846498U
Application number: CN202023064535.5U
Authority: CN
Inventors: 曾艳平
Original assignee: Shenzhen Zijia Technology Co ltd
Current assignee: Shenzhen Zijia Technology Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-07-30
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses an energy-efficient brushless DC motor relates to brushless motor equipment field, including motor housing, motor housing's inner chamber middle part is provided with the rotor, and the stator has been cup jointed in the outside of rotor, the lateral wall of stator and motor housing's inside wall middle part fixed connection, the equal fixedly connected with rotation axis in middle part of the both ends face of rotor, and the fixed cover in the middle part outside of a rotation axis has connect the first lantern ring, the lateral wall fixedly connected with fixed plate of the first lantern ring, and motor housing's the one end annular of inside wall is seted up flutedly. The utility model discloses a plurality of fixed plates that are the annular array and distribute of lateral wall fixedly connected with at the first lantern ring, the fixed plate sets up to the arc, and a plurality of flabellums that are the annular array and distribute of lateral wall fixedly connected with of the second lantern ring, when fixed plate and flabellum rotate, can drive the air fast flow of motor housing inner chamber to discharge the air through the gas vent, and then effectively improved the radiating effect.

Description

High-efficiency energy-saving brushless DC motor

Technical Field

The utility model relates to a brushless motor equipment field, in particular to energy-efficient brushless DC motor.

Background

The brushless direct current motor is composed of a motor main body and a driver, and is a typical electromechanical integration product. A brushless motor refers to a motor without a brush and a commutator (or a slip ring), which is also called a commutator-less motor. As early as the nineteenth birth, the practical motor produced was brushless, i.e., an ac squirrel cage asynchronous motor, which has been widely used. However, at present, the existing efficient energy-saving brushless direct current motor easily generates a large amount of heat in the use process, and the air circulation effect inside the motor is poor, so that the overall heat dissipation effect of the motor is poor, and the service life of the motor is easily influenced after the motor is used for a long time.

Therefore, it is necessary to provide a high-efficiency and energy-saving brushless dc motor to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy-efficient brushless DC motor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-efficiency energy-saving brushless DC motor comprises a motor shell, wherein a rotor is arranged in the middle of an inner cavity of the motor shell, a stator is sleeved on the outer side of the rotor, the outer side wall of the stator is fixedly connected with the middle of the inner side wall of the motor shell, rotating shafts are fixedly connected with the middle parts of the two end faces of the rotor, a first lantern ring is fixedly sleeved on the outer side of the middle part of one rotating shaft, the outer side wall of the first lantern ring is fixedly connected with a fixed plate, a groove is annularly formed in one end of the inner side wall of the motor shell, an annular filter screen matched with the groove is arranged in the inner cavity of the groove, the two side faces of the annular filter screen are respectively fixedly connected with the inner walls of the two sides of the groove, an exhaust port is formed in the middle of the bottom of the groove, a second lantern ring is fixedly sleeved on the outer side of the middle part of the other rotating shaft, and a plurality of fan blades distributed in an annular array are fixedly connected with the outer side wall of the second lantern ring, one end of the motor shell is fixedly connected with a front end cover, and the other end of the motor shell is fixedly connected with a rear end cover.

Preferably, the fixed plate is provided with a plurality ofly, and a plurality ofly the fixed plate is annular array distribution, the fixed plate sets up to the arc.

Preferably, the exhaust port is provided with a plurality of, a plurality of the exhaust port is the annular array and distributes.

Preferably, the front end cover is movably sleeved on the outer side of the middle of one rotating shaft, and the rear end cover is movably sleeved on the outer side of the middle of the other rotating shaft.

Preferably, one side surface of the rear end cover is provided with a plurality of vent holes, and the vent holes are distributed in a rectangular array.

Preferably, both ends of the stator are respectively attached with an annular sleeve, the outer side wall of the annular sleeve is fixedly connected with the inner side wall of the motor shell, and a positioning sleeve is arranged on the inner side of the annular sleeve.

Preferably, the locating sleeve is movably sleeved on the outer side of the rotating shaft, a plurality of connecting rods distributed in an annular array are arranged between the annular sleeve and the locating sleeve, and two ends of each connecting rod are fixedly connected with the inner side wall of the annular sleeve and the outer side wall of the locating sleeve respectively.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a plurality of fixed plates that are the distribution of annular array are fixedly connected with at the lateral wall of the first lantern ring, the fixed plate sets up to the arc, the lateral wall of the second lantern ring is fixedly connected with a plurality of flabellums that are the distribution of annular array, the tank bottom middle part of annular filter screen is seted up a plurality of gas vents that are the distribution of annular array, when fixed plate and flabellum rotate, can drive the air of motor housing inner chamber to flow fast, and discharge the air through the gas vent, and then effectively improved the radiating effect, set up the gas vent in the side of motor housing, can effectively avoid the gas vent opening to be blockked up and lead to motor housing inner chamber air can't flow;

2. the utility model discloses an at the equal fixedly connected with rotation axis of both ends face of rotor, the inboard of annular cover is provided with the position sleeve, and two position sleeves activity respectively cup joint in the outside of two rotation axes, and the position sleeve supports the rotation axis for the connection of rotation axis is more stable, sets up two rotation axes and makes this device can be connected with two external equipment simultaneously, and then has effectively improved the utilization ratio to this device.

Drawings

Fig. 1 is a schematic view of the overall structure section of the present invention.

Fig. 2 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.

Fig. 3 is the side-cut schematic view of the fixing plate structure of the present invention.

Fig. 4 is the side-cut schematic view of the connecting rod structure of the present invention.

In the figure: 1. a motor housing; 2. a rotor; 3. a stator; 4. a rotating shaft; 5. a first collar; 6. a fixing plate; 7. a groove; 8. an annular filter screen; 9. an exhaust port; 10. a second collar; 11. a fan blade; 12. a front end cover; 13. a rear end cap; 14. a vent hole; 15. an annular sleeve; 16. a positioning sleeve; 17. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a high-efficiency energy-saving brushless DC motor as shown in figures 1-4, which comprises a motor housing 1, a rotor 2 is arranged in the middle of the inner cavity of the motor housing 1, a stator 3 is sleeved outside the rotor 2, the outer side wall of the stator 3 is fixedly connected with the middle part of the inner side wall of the motor housing 1, the middle parts of the two end surfaces of the rotor 2 are fixedly connected with two rotating shafts 4, two rotating shafts 4 are arranged, and the two rotating shafts 4 can be connected with external equipment, therefore, the device can provide power for the two equipment at the same time, a first lantern ring 5 is fixedly sleeved outside the middle part of one rotating shaft 4, the outer side wall of the first lantern ring 5 is fixedly connected with a plurality of fixing plates 6, a plurality of fixing plates 6 are distributed in an annular array, the fixing plates 6 are arranged in an arc shape, the rotating shafts 4 rotate to drive the first lantern ring 5 to rotate, and further drive the fixing plates 6 to rotate, the fixed plate 6 rotates to drive air to flow, a groove 7 is annularly formed in one end of the inner side wall of the motor shell 1, an annular filter screen 8 matched with the groove 7 is arranged in an inner cavity of the groove 7, two side faces of the annular filter screen 8 are fixedly connected with the inner walls of two sides of the groove 7 respectively, a plurality of exhaust ports 9 are formed in the middle of the bottom of the groove 7, the exhaust ports 9 are distributed in an annular array mode, the exhaust ports 9 are arranged on the side faces of the motor shell 1, the exhaust ports 9 can be prevented from being blocked, the aperture of the annular filter screen 8 is large, and the annular filter screen is mainly used for preventing external sundries from entering the inner cavity of the motor shell 1, since 9a is provided on the side of 1a, the device is not suitable for installation in a humid environment, the centrifugal force generated when the fixing plate 6 rotates can throw the air in the inner cavity of the motor housing 1 out of the inner cavity of the motor housing 1 from the air outlet 9.

The fixed second lantern ring 10 that has cup jointed in the middle part outside of another rotation axis 4, the lateral wall fixedly connected with of second lantern ring 10 is a plurality of flabellums 11 that are the annular array and distribute, flabellum 11 work drives 1 inner chamber air flow of motor housing, the one end fixedly connected with front end housing 12 of motor housing 1, the other end fixedly connected with rear end housing 13 of motor housing 1, front end housing 12 activity is cup jointed in the middle part outside of a rotation axis 4, rear end housing 13 activity is cup jointed in the middle part outside of another rotation axis 4, air vent 14 has been seted up to a side of rear end housing 13, air vent 14 is provided with a plurality ofly, a plurality of air vents 14 are the rectangular array and distribute, front end housing 12 can play the guard action to fixed plate 6, rear end housing 13 plays the guard action to flabellum 11, air vent 14 sets up the inner chamber and the external world that are used for communicateing motor housing 1, thereby can's 11 unable air flow of driving when avoiding rotating.

All laminating in stator 3's both ends is connected with annular cover 15, the lateral wall of annular cover 15 and motor housing 1's inside wall fixed connection, the inboard of annular cover 15 is provided with position sleeve 16, position sleeve 16 activity cup joints the outside at rotation axis 4, position sleeve 16 can play the effect of support to rotation axis 4, be provided with a plurality of connecting rods 17 that are the annular array and distribute between annular cover 15 and the position sleeve 16, the both ends of connecting rod 17 respectively with the inside wall of annular cover 15 and the lateral wall fixed connection of position sleeve 16, connecting rod 17 set up the side and connect annular cover 15 and position sleeve 16, on the other hand makes motor housing 1's inner chamber can not be broken off and influence the flow of air

The utility model discloses the theory of operation:

when this device uses, rotor 2 rotates and drives two rotation axis 4 synchronous rotations, two rotation axis 4 drive first lantern ring 5 and second lantern ring 10 synchronous rotations respectively, and then drive fixed plate 6 and flabellum 11 and rotate, when flabellum 11 rotates, the air flow that drives motor housing 1's inner chamber through air vent 14 with the outside air, the centrifugal force that produces when fixed plate 6 rotates can blow out motor housing 1's inner chamber through gas vent 9 with the air that flabellum 11 was blown over, therefore the air of motor housing 1 inner chamber can continuously flow, and then take away the heat that this device during operation produced fast, radiating effect has effectively been improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an energy-efficient brushless DC motor, includes motor housing (1), its characterized in that: the motor comprises a motor shell (1), wherein a rotor (2) is arranged in the middle of an inner cavity of the motor shell (1), a stator (3) is sleeved on the outer side of the rotor (2), the outer side wall of the stator (3) is fixedly connected with the middle of the inner side wall of the motor shell (1), rotating shafts (4) are fixedly connected with the middle of the two end faces of the rotor (2), a first lantern ring (5) is fixedly sleeved on the outer side of the middle of each rotating shaft (4), a fixing plate (6) is fixedly connected with the outer side wall of each first lantern ring (5), a groove (7) is formed in the annular shape of one end of the inner side wall of the motor shell (1), an annular filter screen (8) matched with the groove (7) is arranged in the inner cavity of the groove (7), two side faces of the annular filter screen (8) are fixedly connected with the inner walls of the two sides of the groove (7) respectively, and an exhaust port (9) is formed in the middle of the bottom of the groove (7), another the middle part outside of rotation axis (4) is fixed to be cup jointed second lantern ring (10), the lateral wall fixedly connected with of second lantern ring (10) is a plurality of flabellums (11) that are the ring array and distribute, the one end fixedly connected with front end housing (12) of motor housing (1), the other end fixedly connected with rear end housing (13) of motor housing (1).

2. An energy efficient brushless dc motor according to claim 1, wherein: the fixed plate (6) is provided with a plurality of, and is a plurality of fixed plate (6) are the annular array and distribute, fixed plate (6) set up to the arc.

3. An energy efficient brushless dc motor according to claim 2, wherein: the exhaust port (9) is provided with a plurality of, and is a plurality of exhaust port (9) are the annular array and distribute.

4. A high efficiency energy saving dc brushless motor according to claim 3, wherein: the front end cover (12) is movably sleeved on the outer side of the middle part of one rotating shaft (4), and the rear end cover (13) is movably sleeved on the outer side of the middle part of the other rotating shaft (4).

5. An energy efficient brushless dc motor according to claim 4, wherein: the rear end cover is characterized in that a plurality of vent holes (14) are formed in one side face of the rear end cover (13), and the vent holes (14) are distributed in a rectangular array.

6. An energy efficient brushless dc motor according to claim 5, wherein: the stator is characterized in that the two ends of the stator (3) are respectively attached with an annular sleeve (15), the outer side wall of the annular sleeve (15) is fixedly connected with the inner side wall of the motor shell (1), and a positioning sleeve (16) is arranged on the inner side of the annular sleeve (15).

7. An energy efficient brushless dc motor according to claim 6, wherein: the utility model discloses a rotating shaft, including rotating shaft (4), locating sleeve (16), be provided with a plurality of connecting rods (17) that are the annular array and distribute between annular sleeve (15) and locating sleeve (16), the both ends of connecting rod (17) respectively with the inside wall of annular sleeve (15) and the lateral wall fixed connection of locating sleeve (16).