阅读说明：本技术 永磁同步电机 (Permanent magnet synchronous motor ) 是由 刘鹤 于 2021-09-04 设计创作，主要内容包括：本发明涉及电机领域,特别是涉及永磁同步电机,永磁同步电机,包括电机本体、前堵板、后堵板、散热壳体和传动机构,前堵板和后堵板分别固定连接在电机本体的前后两端,散热壳体套设在电机本体上且与前堵板和后堵板转动连接,电机本体的后端连接有传动机构,传动机构与散热壳体传动连接；所述散热壳体包括散热外壳和内凸棱,多个内凸棱均匀设置在散热外壳内,散热外壳与前堵板和后堵板转动连接；所述传动机构包括固定销、中心轮和传动轮,后堵板上设有固定销,固定销上转动连接有传动轮,传动轮与散热外壳传动连接,电机本体输出轴的后端固定连接有中心轮,传动轮与中心轮传动连接；本发明便于散热,提高电机使用寿命。(The invention relates to the field of motors, in particular to a permanent magnet synchronous motor, which comprises a motor body, a front blocking plate, a rear blocking plate, a heat dissipation shell and a transmission mechanism, wherein the front blocking plate and the rear blocking plate are respectively and fixedly connected to the front end and the rear end of the motor body; the heat dissipation shell comprises a heat dissipation shell and a plurality of inner convex ribs, the inner convex ribs are uniformly arranged in the heat dissipation shell, and the heat dissipation shell is rotatably connected with the front blocking plate and the rear blocking plate; the transmission mechanism comprises a fixed pin, a central wheel and a transmission wheel, the fixed pin is arranged on the rear blocking plate, the transmission wheel is rotatably connected on the fixed pin and is in transmission connection with the radiating shell, the rear end of the output shaft of the motor body is fixedly connected with the central wheel, and the transmission wheel is in transmission connection with the central wheel; the invention is convenient for heat dissipation and prolongs the service life of the motor.)

1. Permanent magnet synchronous machine, characterized by: the heat dissipation device comprises a motor body (101), a front blocking plate (102), a rear blocking plate (103), a heat dissipation shell and a transmission mechanism, wherein the front blocking plate (102) is fixedly connected to the front end of the motor body (101), the rear blocking plate (103) is fixedly connected to the rear end of the motor body (101), the front end and the rear end of the heat dissipation shell are respectively rotatably connected to the front blocking plate (102) and the rear blocking plate (103), and the transmission mechanism is connected to the rear end of the motor body (101) and is in transmission connection with the heat dissipation shell.

2. The permanent magnet synchronous motor of claim 1, wherein: the heat dissipation shell comprises a heat dissipation shell (201) and inner convex ribs (202), the inner convex ribs (202) are uniformly arranged in the heat dissipation shell (201), and the front end and the rear end of the heat dissipation shell (201) are respectively and rotatably connected to the front blocking plate (102) and the rear blocking plate (103).

3. The permanent magnet synchronous motor according to claim 2, wherein: the outer end of each inner convex rib (202) is provided with a groove (203).

4. A permanent magnet synchronous machine according to claim 3, characterized in that: the plug structure is characterized by further comprising a supporting base (104), wherein the supporting base (104) is fixedly connected to the front plug plate (102) and the rear plug plate (103).

5. The permanent magnet synchronous motor according to claim 2, wherein: the transmission mechanism comprises a fixing pin (108), a center wheel (109) and a transmission wheel (501), the fixing pin (108) is fixedly connected to the rear blocking plate (103), the transmission wheel (501) is rotatably connected to the fixing pin (108) and is in transmission connection with the heat dissipation shell (201), and the center wheel (109) is fixedly connected to the rear end of an output shaft of the motor body (101) and is in transmission connection with the transmission wheel (501).

6. The permanent magnet synchronous motor of claim 5, wherein: a fan blade I (502) is arranged on the driving wheel (501).

7. The permanent magnet synchronous motor of claim 5, wherein: still include connecting axle (401), bevel connection pipe (402) and rabbling mechanism, the one end fixed connection of connecting axle (401) is in the center department of centre wheel (109), bevel connection pipe (402) fixed connection is at the other end of connecting axle (401), and symmetrical sliding connection has two rabbling mechanisms on back closure plate (103), two rabbling mechanisms all with bevel connection sliding connection of bevel connection pipe (402).

8. The permanent magnet synchronous motor of claim 7, wherein: the outer end of the oblique opening pipe (402) is provided with a fan blade II (403).

9. The permanent magnet synchronous motor according to claim 4, wherein: the heat dissipation device is characterized by further comprising a sliding frame (106) and an upper cover mechanism, wherein the sliding frame (106) is fixedly connected above the front blocking plate (102), the sliding frame (106) is connected with the upper cover mechanism in a sliding mode, and the upper cover mechanism is connected with the heat dissipation shell (201).

10. The permanent magnet synchronous motor of claim 9, wherein: still include fixing base (105) and side cap mechanism, support two fixing base (105) of symmetry fixedly connected with on base (104), all rotate on two fixing base (105) and be connected with side cap mechanism, two side cap mechanisms rotate with the both ends of upper cover mechanism respectively and are connected.

Technical Field

The invention relates to the field of motors, in particular to a permanent magnet synchronous motor.

Background

The electric machine is essentially a power conversion device, i.e. an electric power and a mechanical power are exchanged, comprising an electric motor and a generator. Motors are more common in industry, and thus a narrow sense of motor is generally referred to as a motor. The permanent magnet synchronous motor has the advantages of simple structure, small volume, high efficiency, reliable operation, wide speed regulation range, good dynamic and static characteristics and the like, and is widely applied to an alternating current transmission system. But the permanent magnet synchronous motor can generate a large amount of heat when working, is inconvenient to dissipate heat, influences the service life of the motor,

disclosure of Invention

The invention aims to provide a permanent magnet synchronous motor, which is convenient for heat dissipation and prolongs the service life of the motor.

The purpose of the invention is realized by the following technical scheme:

permanent magnet synchronous motor, including motor body, preceding closure plate, back closure plate, heat dissipation casing and drive mechanism, preceding closure plate and back closure plate are fixed connection both ends around motor body respectively, and the heat dissipation casing cover is established on motor body and is rotated with preceding closure plate and back closure plate and be connected, and motor body's rear end is connected with drive mechanism, and drive mechanism is connected with the transmission of heat dissipation casing.

The heat dissipation shell comprises a heat dissipation shell and a plurality of inner convex ribs, the inner convex ribs are evenly arranged in the heat dissipation shell, and the heat dissipation shell is rotatably connected with the front blocking plate and the rear blocking plate.

The outer end of each inner convex edge is provided with a groove.

The front blocking plate and the rear blocking plate are fixedly connected to the supporting base.

The transmission mechanism comprises a fixed pin, a center wheel and a transmission wheel, the fixed pin is arranged on the rear blocking plate, the transmission wheel is rotatably connected to the fixed pin and is in transmission connection with the heat dissipation shell, the center wheel is fixedly connected to the rear end of the output shaft of the motor body, and the transmission wheel is in transmission connection with the center wheel.

The fan blade I is fixedly connected to the transmission wheel.

The permanent magnet synchronous motor further comprises a connecting shaft, an oblique opening pipe and stirring mechanisms, the center of the central wheel is fixedly connected with the connecting shaft, the oblique opening pipe is fixedly connected onto the connecting shaft, the two stirring mechanisms are symmetrically and slidably connected onto the rear blocking plate, and the two stirring mechanisms are both slidably connected with the oblique opening of the oblique opening pipe.

The fan blade II is fixedly connected to the outer end of the bevel pipe.

The permanent magnet synchronous motor further comprises a sliding frame and an upper cover mechanism, the sliding frame is fixedly connected above the front blocking plate, the upper cover mechanism is connected to the sliding frame in a sliding mode, and the upper cover mechanism is connected with the heat dissipation shell.

The permanent magnet synchronous motor further comprises a fixing seat and a side cover mechanism, the two fixing seats are symmetrically and fixedly connected to the supporting base, the two side cover mechanisms are respectively and rotatably connected to the two fixing seats, and two ends of the upper cover mechanism are respectively and rotatably connected with the two side cover mechanisms.

The invention has the beneficial effects that: the invention provides a permanent magnet synchronous motor, which is convenient for heat dissipation and prolongs the service life of the motor.

Drawings

FIG. 1 is a schematic view of an embodiment of the present invention dissipating heat through a heat sink housing;

FIG. 2 is a first schematic structural diagram of the motor body according to the present invention;

FIG. 3 is a schematic structural diagram II of the motor body according to the present invention;

FIG. 4 is a schematic structural diagram of a heat dissipation housing according to the present invention;

FIG. 5 is a schematic view of an embodiment of the present invention with fan blade I and fan blade II;

FIG. 6 is a schematic structural view of the stirring mechanism of the present invention;

FIG. 7 is a schematic structural view of the beveled tube of the present invention;

FIG. 8 is a schematic structural diagram of a fan blade I of the present invention;

fig. 9 is a schematic view of an embodiment of the present invention for protecting a motor body;

FIG. 10 is a schematic structural view of the capping mechanism of the present invention;

FIG. 11 is a schematic structural view of the side cover mechanism of the present invention;

FIG. 12 is a schematic view of the construction of the sweeper brush of the present invention.

In the figure:

a motor body 101; a front blocking plate 102; a rear blocking plate 103; a support base 104; a fixed base 105; a carriage 106; a communication seat 107; a fixing pin 108; a center wheel 109;

a heat dissipation case 201; an inner rib 202; a groove 203;

an arc-shaped expansion plate 301; a tension spring 302; an outer attachment frame 303; a rotation pin 304; a connecting pipe 305;

a connecting shaft 401; a beveled pipe 402; a fan blade II 403;

a driving wheel 501; a fan blade I502;

an upper cover plate 601; a spring 602; a top wheel 603; a linkage seat 604;

a side plate 701; a shaft coupling seat 702;

a cleaning shaft 801; the brush 802 is cleaned.

Detailed Description

The following detailed description of the present invention will be made with reference to the accompanying drawings, but the present invention is not limited to the specific embodiments.

Referring to fig. 1-4, embodiments for dissipating heat through a heat dissipation housing are illustrated;

permanent magnet synchronous motor, including motor body 101, preceding closure plate 102, back closure plate 103, heat dissipation casing and drive mechanism, preceding closure plate 102 and back closure plate 103 are fixed connection respectively in both ends around motor body 101, and the heat dissipation casing cover is established on motor body 101 and is rotated with preceding closure plate 102 and back closure plate 103 and be connected, and motor body 101's rear end is connected with drive mechanism, and drive mechanism is connected with the transmission of heat dissipation casing.

The front blocking plate 102, the rear blocking plate 103, the heat dissipation shell and the motor body 101 are matched to form a closed space, is used for containing cooling liquid, absorbs heat generated by the motor body 101, improves the heat dissipation efficiency, and simultaneously dissipates the heat of the cooling liquid through the heat dissipation shell, and the motor body 101 drives the heat dissipation shell through the transmission mechanism when in operation, so that the heat dissipation shell rotates on the front blocking plate 102 and the rear blocking plate 103, the rotating heat dissipation shell drives the cooling liquid to flow in the closed space, so that the cooling liquids with different temperatures in the closed space are uniformly mixed, the heat dissipation of the cooling liquid through the heat dissipation shell is facilitated, meanwhile, the heat dissipation shell is rotated to facilitate self heat dissipation, so that the temperature of the cooling liquid can be kept in a lower state, the heat generated by the motor body 101 is kept absorbed, and the influence on the service life of the motor body 101 caused by overhigh temperature of the motor body 101 is avoided.

Further, the heat dissipation shell comprises a heat dissipation shell 201 and inner convex ribs 202, the inner convex ribs 202 are uniformly arranged in the heat dissipation shell 201, and the heat dissipation shell 201 is rotatably connected with the front blocking plate 102 and the rear blocking plate 103.

The enclosure space is used for splendid attire coolant liquid to closure plate 102, back closure plate 103 and motor body 101 before the cooperation of heat dissipation shell 201 to through a plurality of interior beads 202 that are equipped with in the heat dissipation shell 201, the pivoted heat dissipation casing of further being convenient for drives the coolant liquid and flows in the enclosure space, makes the coolant liquid in the enclosure space can be heated evenly, improves the coolant liquid and to motor body 101 thermal absorption efficiency, improves the radiating efficiency of heat dissipation shell 201 to the coolant liquid simultaneously.

Further, the outer end of each inner rib 202 is provided with a groove 203.

Through the outside recess 203 setting of every interior bead 202, the external surface area of increase heat dissipation shell 201, the heat dissipation of the shell 201 of being convenient for to the coolant liquid that dispels the heat, when heat dissipation shell 201 rotated simultaneously, the setting of recess 203 made the drive air that heat dissipation shell 201 can be better mobile, and the air that flows further improves the radiating efficiency of heat dissipation shell 201.

Further, the front blocking plate 102 and the rear blocking plate 103 are both fixedly connected to the supporting base 104.

The support base 104 forms a support for the motor body 101 through the front and rear blocking plates 102 and 103, thereby providing a rotation condition of the heat dissipation housing 201.

With reference to fig. 5 and 8, an embodiment of the transmission mechanism is described;

the transmission mechanism comprises a fixing pin 108, a center wheel 109 and a transmission wheel 501, the fixing pin 108 is arranged on the rear blocking plate 103, the transmission wheel 501 is connected to the fixing pin 108 in a rotating mode, the transmission wheel 501 is connected with the heat dissipation shell 201 in a transmission mode, the center wheel 109 is fixedly connected to the rear end of the output shaft of the motor body 101, and the transmission wheel 501 is connected with the center wheel 109 in a transmission mode.

When the motor body 101 is started, an output shaft in the motor body drives the center wheel 109 located at the rear end to rotate, the center wheel 109 drives the driving wheel 501 to rotate on the fixing pin 108, and the rotating driving wheel 501 drives the heat dissipation shell 201 to rotate, so that the heat dissipation shell 201 rotates, and the heat dissipation efficiency of the heat dissipation shell 201 to the cooling liquid is improved.

Referring to fig. 5 and 8, an embodiment in which the heat-radiating case 201 blows air is explained;

the fan blade I502 is fixedly connected to the transmission wheel 501.

Through the setting of fan leaf I502, drive wheel 501 drives fan leaf I502 rotatory when rotating, forms the blowing to fixed pin 108 department heat dissipation shell 201, along with the rotation of heat dissipation shell 201, reaches the whole of heat dissipation shell 201 and blows, further improves the radiating efficiency of heat dissipation shell 201 to the coolant liquid.

Referring to FIGS. 5-7, an example of cooling fluid agitation is illustrated;

the permanent magnet synchronous motor further comprises a connecting shaft 401, an oblique opening pipe 402 and stirring mechanisms, the connecting shaft 401 is fixedly connected to the center of the central wheel 109, the oblique opening pipe 402 is fixedly connected to the connecting shaft 401, the two stirring mechanisms are symmetrically and slidably connected to the rear blocking plate 103, and the two stirring mechanisms are both slidably connected with the oblique opening of the oblique opening pipe 402.

When the motor body 101 is started, the center wheel 109 drives the bevel pipe 402 to rotate along with the output shaft through the connecting shaft 401, the rotating bevel pipe 402 slides the two stirring mechanisms in a reciprocating manner through the bevel, so that the two stirring mechanisms enter the closed space on the rear blocking plate 103 in a reciprocating manner, the cooling liquid is stirred, the cooling liquid flows in the closed space, the cooling liquid at different temperatures in the closed space is further uniformly mixed, and the cooling liquid is conveniently cooled through the heat dissipation shell 201.

Further, rabbling mechanism includes arc expansion plate 301, expanding spring 302, outer link 303 and rotating pin 304, arc expansion plate 301's outer end fixedly connected with outer link 303, it is connected with rotating pin 304 to rotate on the outer link 303, rabbling mechanism is equipped with two, two arc expansion plate 301 symmetry sliding connection just all are located between heat dissipation shell 201 and the motor body 101 on back closure plate 103, equal fixedly connected with expanding spring 302 on two outer links 303, two expanding spring 302 all push up tight back closure plate 103, the bevel connection of two rotating pin 304 all push up tight bevel connection pipe 402.

Make the bevel connection that the oblique mouth pipe 402 was tightly pushed up to the rotating pin 304 through expanding spring's 302 elasticity, along with the rotation of oblique mouth pipe 402, the farthest department of closure plate 103 changes to rotating pin 304 department behind the bevel connection distance of oblique mouth pipe 402, receive expanding spring's 302 elasticity influence, closure plate 103 behind the most roll-off of arc expansion plate 301, closure plate 103 is the nearest to rotate to rotating pin 304 department behind the bevel connection distance of oblique mouth pipe 402, drive in the closure plate 103 behind the most roll-on of arc expansion plate 301, thereby form arc expansion plate 301 reciprocating motion on closure plate 103 behind, and through the cooperation of two arc expansion plate 301 symmetric positions, form the stirring to the cooling liquid in the enclosure space, make the cooling liquid of the different temperatures in the enclosure space further misce bene.

Further, rabbling mechanism still includes connecting pipe 305 and intercommunication seat 107, is equipped with the intercommunicating pore on the arc expansion plate 301, equal fixedly connected with connecting pipe 305 on two outer link 303, two connecting pipes 305 respectively with the intercommunicating pore intercommunication of two arc expansion plates 301, two connecting pipes 305 all communicate with intercommunication seat 107 through the cooling tube, intercommunication seat 107 fixed connection just is located the place ahead of fan leaf II 403 on supporting base 104.

Through the setting of connecting pipe 305 and intercommunication seat 107, make the coolant liquid of enclosure space communicate with intercommunication seat 107 through two connecting pipes 305 and two cooling tubes, when two arc expansion plates 301 reciprocating motion, the coolant liquid flows through two connecting pipes 305 and two cooling tubes and intercommunication seat 107, when the coolant liquid flows in two cooling tubes and intercommunication seat 107, further form the heat dissipation to the coolant liquid, blow to intercommunication seat 107 through fan leaf II 403 simultaneously, further to the heat dissipation of coolant liquid.

Referring to fig. 7, an embodiment in which the heat-radiating case 201 blows air is explained;

the fan blade II 403 is fixedly connected to the outer end of the beveled pipe 402.

Through the setting of fan leaf II 403, the bevel connection pipe 402 rotates and drives fan leaf II 403 and rotate, forms and bloies heat dissipation shell 201 is whole, further improves the radiating efficiency of heat dissipation shell 201 to the coolant liquid.

Referring to fig. 9-11, an embodiment of the heat sink housing 201 protection is illustrated;

the permanent magnet synchronous motor further comprises a sliding frame 106 and an upper cover mechanism, the sliding frame 106 is fixedly connected above the front blocking plate 102, the upper cover mechanism is connected to the sliding frame 106 in a sliding mode, and the upper cover mechanism is connected with the heat dissipation shell 201.

Through the setting of upper cover mechanism, form the protection of covering to heat dissipation shell 201 top, avoid having the foreign matter to drop the damage device.

Further, the upper cover mechanism comprises an upper cover plate 601, a spring 602, a top wheel 603 and a linkage seat 604, wherein the upper cover plate 601 is located right above the heat dissipation shell 201 and is in sliding connection with the sliding frame 106, the spring 602 is arranged between the upper cover plate 601 and the sliding frame 106, the top wheel 603 is rotatably connected to the center of the lower end face of the upper cover plate 601, the top wheel 603 is in rolling connection with the heat dissipation shell 201, and the linkage seat 604 is arranged at each of two ends of the upper cover plate 601.

The elasticity through spring 602 makes top wheel 603 push up tightly on heat dissipation shell 201, and along with the rotation of heat dissipation shell 201, when top wheel 603 met recess 203, spring 602 promoted upper cover plate 601 and descends, when top wheel 603 rolled out recess 203, drove upper cover plate 601 and rises to form upper cover plate 601 up-and-down reciprocating motion, the air flow between reinforcing upper cover plate 601 and the heat dissipation shell 201, the heat dissipation of heat dissipation shell 201 of further being convenient for.

The permanent magnet synchronous motor further comprises a fixing seat 105 and a side cover mechanism, the two fixing seats 105 are symmetrically and fixedly connected to the supporting base 104, the two side cover mechanisms are respectively and rotatably connected to the two fixing seats 105, and two ends of the upper cover mechanism are respectively and rotatably connected with the two side cover mechanisms.

Through the setting of two side cap mechanisms, form the protection of covering to heat dissipation shell 201 both sides, cooperation upper cover mechanism and support base 104 form the circumference protection to the device, avoid the device to damage.

Further, the side cover mechanism includes a side plate 701 and two shaft connecting seats 702, the upper and lower ends of the side plate 701 are provided with the shaft connecting seats 702, the side cover mechanism is provided with two shaft connecting seats 702 located below, the two shaft connecting seats 702 located below are respectively rotatably connected with the two fixing seats 105, and the two shaft connecting seats 702 located above are respectively rotatably connected with the two linkage seats 604.

When the upper cover plate 601 reciprocates up and down, the linkage seat 604 drives the side plates 701 to rotate in a reciprocating manner by taking the fixed seat 105 as an axis, so that the air flow between the two side plates 701 and the heat dissipation shell 201 is enhanced, and the heat dissipation shell 201 is further convenient to dissipate heat.

Referring to fig. 9 and 12, an embodiment of cleaning the heat-radiating case 201 is explained;

the permanent magnet synchronous motor further comprises a cleaning shaft 801 and a cleaning brush 802, the cleaning shaft 801 is fixedly connected with the cleaning brush 802, the cleaning shaft 801 is rotatably connected to the supporting base 104 and is in transmission connection with the heat dissipation shell 201, and the cleaning brush 802 is in contact with the heat dissipation shell 201.

Through cleaning axle 801 and the contact of heat dissipation shell 201, heat dissipation shell 201 rotates the time transmission and cleans axle 801 and rotate, and pivoted cleaning axle 801 drives brush cleaner 802 and rotates, cleans heat dissipation shell 201 in heat dissipation shell 201 below, avoids detaining too much dust on the heat dissipation shell 201, influences the radiating efficiency.