CN209896882U - Alternating current capacitor motor with starting operation characteristic of direct current motor - Google Patents
Alternating current capacitor motor with starting operation characteristic of direct current motor Download PDFInfo
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- CN209896882U CN209896882U CN201921066933.5U CN201921066933U CN209896882U CN 209896882 U CN209896882 U CN 209896882U CN 201921066933 U CN201921066933 U CN 201921066933U CN 209896882 U CN209896882 U CN 209896882U
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Abstract
The utility model discloses an AC capacitor motor with DC motor starting operation characteristic, which comprises a protective shell, a transmission device, a stator and a rotor, wherein the stator comprises a stator core, four positioning grooves, four stator teeth poles, two coil main windings and two coil auxiliary windings, the stator core is formed by laminating a plurality of magnetic pole pieces, the four positioning grooves are arranged on the front surface of the magnetic pole pieces at 90 degrees, the positions of the rear surface of the magnetic pole pieces corresponding to the four positioning grooves are provided with positioning salient points matched with the positioning grooves, the utility model discloses a main and auxiliary coil windings are directly connected on an AC power supply, the coil auxiliary windings are connected in series on a variable capacitor in a capacitor box, the DC motor starting operation characteristic of the AC capacitor motor is realized, the 'shaded pole' structure of a shaded pole type motor core is removed, the motor volume is reduced, and two cooling devices are arranged on a transmission shaft, the inside of casing is directly cooled down, and the cooling speed is fast, has prolonged the life of motor.
Description
Technical Field
The utility model relates to the technical field of electric machines, specifically be an alternating current capacitor motor with direct current motor starts running characteristic.
Background
An electric machine (also known as "motor") refers to an electromagnetic device that converts or transmits electric energy according to the law of electromagnetic induction. The motor is represented by a letter M (old standard is represented by a letter D) in a circuit, the motor mainly plays a role of generating driving torque and serving as a power source of electrical appliances or various machines, the generator is represented by a letter G in a circuit, and the generator mainly plays a role of converting mechanical energy into electric energy.
An "ac motor" is a machine for converting mechanical energy and ac electrical energy into each other. Due to the tremendous development of ac power systems, ac motors have become the most commonly used motors. Compared with the direct current motor, the alternating current motor has the advantages of simple structure, convenient manufacture, firmness and easy manufacture into a motor with high rotating speed, high voltage, large current and large capacity because of no commutator (see the commutation of the direct current motor). The coverage of ac power is large, ranging from a few watts to hundreds of thousands of kilowatts, and even millions of kilowatts. In the early 80 s of the 20 th century, the largest turbonators reached 150 ten thousand kilowatts. The AC motor [1] is invented by Nigla Tesla, a scientist of Hill.
For direct current motor, alternating current motor can produce great noise when starting, and all install shaded pole formula motor core in the current alternating current motor, the "shaded pole" structure has increased the volume of motor, the manufacturing cost of motor has been improved, and current alternating current motor's main fan of relying on to install in the shroud cools down the motor, because alternating current motor's volume is too big, it is difficult to cool down the motor to singly lean on a fan, the unable effective and quick high temperature discharge that produces the motor during operation, cause high temperature to burn out the motor easily, the life of motor has been shortened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an alternating current capacitor motor with direct current motor starts running characteristic, in order to solve and to provide in the above-mentioned background art for direct current motor, alternating current motor can produce great noise when starting, and all install shaded pole formula motor core in the current alternating current motor, the "shaded pole" structure has increased the volume of motor, the manufacturing cost of motor has been improved, and current alternating current motor's main fan of relying on installing in the shroud cools down the motor, because alternating current motor's volume is too big, it is difficult to cool down the motor to singly lean on a fan, unable effective and quick high temperature discharge that produces the motor during operation, cause high temperature to burn out the motor easily, the problem of the life of motor has been shortened.
In order to achieve the above object, the utility model provides a following technical scheme: an ac capacitor motor having a dc motor start-up operating characteristic, comprising:
protecting the shell;
the transmission device is transversely arranged at the middle end of the inner cavity of the protective shell, and the right end of the transmission device penetrates through the right side surface of the protective shell;
a stator mounted on the inner cavity sidewall of the sheath, the stator comprising:
the stator core is formed by laminating a plurality of magnetic pole pieces;
the four positioning grooves are formed in the front surface of the magnetic pole piece at 90-degree angles, and positioning salient points matched with the positioning grooves are arranged on the positions, corresponding to the four positioning grooves, of the rear surface of the magnetic pole piece;
the four stator teeth poles are oppositely arranged on the inner side wall of the stator core in pairs, and the stator teeth poles and the stator core are integrally processed;
the two coil main windings are wound on the two corresponding stator gear poles;
the two coil secondary windings are wound on the two corresponding stator teeth;
and the rotor is arranged on the outer wall of the transmission device and is arranged in the inner cavity of the protective shell.
Preferably, the protective case includes:
a housing;
the first bearing is arranged at the middle end of the left side surface of the inner cavity of the shell;
a capacitor box mounted on the top right side of the housing, the capacitor box being connected to the two coil secondary windings by wires;
the end cover is mounted on the right side face of the shell through bolts;
the second bearing is arranged at the middle end of the left side face of the end cover, and the axis of the second bearing corresponds to the axis of the first bearing;
the mounting seat is welded at the bottom of the shell;
and the cover cap is installed on the left side of the outer wall of the shell through a bolt.
Preferably, the transmission means comprises:
the transmission shaft is transversely installed in the inner cavity of the shell through the first bearing and the second bearing, the right end of the transmission shaft penetrates through the right side face of the end cover, and the left end of the transmission shaft penetrates through the left end face of the shell and is inserted into the inner cavity of the cover cap;
the two cooling devices are sleeved on the outer wall of the transmission shaft;
the fan is arranged on the left end face of the transmission shaft and is arranged in the inner cavity of the cover.
Preferably, both of the cooling devices comprise:
the shaft sleeve is sleeved on the outer wall of the transmission shaft and is in interference fit with the transmission shaft;
eight flabellums, eight the flabellum is the welding of angle such as annular on the outer wall of axle sleeve.
Preferably, the rotor includes:
the rotor core is arranged between the two cooling devices, the left side face of the rotor core is in contact with the right side face of the cooling device at the left end, and the right side face of the rotor core is in contact with the left side face of the cooling device at the right end;
sixteen draw-in grooves, sixteen the draw-in groove is seted up on rotor core's the front and back surface, eight the draw-in groove is the angle such as annular and sets up rotor core's front surface, eight in addition the draw-in groove is the angle such as annular and sets up rotor core's rear surface, the draw-in groove with the flabellum phase-match, the flabellum joint is in the draw-in groove.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up main and auxiliary coil winding, directly connect coil main winding on alternating current power supply, concatenate coil auxiliary winding on the variable capacitor in the electric capacity box, the direct current motor start-up operating characteristic of alternating current electric capacity motor has been realized, the too big problem of noise when having solved traditional alternating current motor start-up, the "shaded pole" structure of shaded pole formula motor core has been removed, the volume of motor has been reduced, the volume of having solved traditional alternating current motor is too big, the problem that manufacturing cost is high, and through setting up two heat sink on the transmission shaft, directly cool down to the inside of casing, the high temperature that the motor during operation produced that will be quick, the cooling of the single fan of relying on of traditional alternating current motor has been solved, cooling rate is too slow, cause the too high and problem of burning out of temperature of motor, the service life of motor has been prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the protective casing of the present invention;
FIG. 3 is a schematic view of the transmission device of the present invention;
FIG. 4 is a schematic view of the structure of the cooling device of the present invention;
fig. 5 is a schematic view of the stator structure of the present invention;
fig. 6 is a schematic view of the rotor structure of the present invention.
In the figure: 100 protective cases, 110 shells, 120 first bearings, 130 capacitor boxes, 140 end covers, 150 second bearings, 160 mounting seats, 170 covers, 200 transmission devices, 210 transmission shafts, 220 temperature reduction devices, 221 shaft sleeves, 222 fan blades, 230 fans, 300 stators, 310 stator cores, 320 positioning grooves, 330 stator teeth poles, 340 coil main windings, 350 coil auxiliary windings, 400 rotors, 410 rotor cores and 420 clamping grooves.
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 an alternating current capacitor motor with direct current motor starting operation characteristic, which can reduce self noise, remove the 'shaded pole' structure of a shaded pole type motor iron core and reduce the volume, please refer to fig. 1, comprising a protective shell 100, a transmission device 200, a stator 300 and a rotor 400;
referring to fig. 1 and 2, the protective case 100 has:
a housing 110 for protecting a device mounted in the housing 110;
the first bearing 120 is installed at the middle end of the left side surface of the inner cavity of the housing 110;
a capacitance box 130 is installed at the right side of the top of the case 110, and a variable capacitor is installed in the capacitance box 130;
the end cover 140 is mounted on the right side surface of the shell 110 through bolts, an air groove is hollowed in the right side surface of the end cover 140 and penetrates through the left side surface of the end cover 140, and the air groove is used for heat dissipation;
a second bearing 150, the second bearing 150 being mounted on the middle end of the left side surface of the end cap 140, the axis of the second bearing 150 corresponding to the axis of the first bearing 120;
the mounting base 160 is welded at the bottom of the shell 110, mounting holes are formed in four corners of the bottom of the mounting base 160, the mounting base 160 can be fixed on an object through the matching of the mounting holes and bolts, and the motor is fixedly mounted on a certain object through the mounting base 160;
the cover 170 is installed on the left side of the outer wall of the housing 110 through bolts, and an air groove is hollowed in the left side surface of the cover 170 and used for heat dissipation;
referring to fig. 1 and 3, the transmission device 200 is transversely installed at the middle end of the inner cavity of the casing 100, the right end of the transmission device 200 penetrates through the right side surface of the casing 100, and the transmission device 200 has:
the transmission shaft 210 is transversely installed in the inner cavity of the housing 110 through the first bearing 120 and the second bearing 150, the right end of the transmission shaft 210 penetrates through the right side surface of the end cover 140, and the left end of the transmission shaft 210 penetrates through the left end surface of the housing 110 and is inserted into the inner cavity of the cover 170;
two heat sink 220 cup joint on the outer wall of transmission shaft 210, and it is rotatory to drive two heat sink 220 through transmission shaft 210, and the rotation through heat sink 220 goes out the heat water conservancy diversion in casing 110 to this inner chamber to casing 110 cools down, can be effectual with the temperature in the casing 110, with this high temperature that reduces the motor during operation and produce, two heat sink 220 all have:
the shaft sleeve 221 is sleeved on the outer wall of the transmission shaft 210, the shaft sleeve 221 and the transmission shaft 210 are in interference fit, and the shaft sleeve 221 is driven to rotate by the transmission shaft 210;
eight fan blades 222 are welded on the outer wall of the shaft sleeve 221 in an annular shape at equal angles, the shaft sleeve 221 drives the fan blades 222 to rotate, the fan blades 222 rotate to generate air flow to guide high temperature in the shell 110 out to the end cover 140 and the cover 170, and the high temperature flows out through air grooves in the end cover 140 and the cover 170, so that the temperature in the shell 110 is reduced, and the temperature of the motor is reduced;
the fan 230 is installed on the left end face of the transmission shaft 210, the transmission shaft 210 drives the fan 230 to rotate, the fan 230 is arranged in the inner cavity of the cover 170, and the air flow guided into the cover 170 by the cooling device 220 is guided out to the outer wall of the cover 170 through the fan blades 230 to cool the motor;
referring to fig. 1 and 5, the stator 300 is mounted on the inner cavity sidewall of the casing 100, and the stator 300 has:
the stator core 310 is formed by laminating a plurality of magnetic pole pieces;
the four positioning grooves 320 are arranged on the front surface of the magnetic pole piece at an angle of 90 degrees, positioning salient points matched with the positioning grooves 320 are arranged on the rear surface of the magnetic pole piece and the positions corresponding to the four positioning grooves 320, the positioning salient points are clamped in the inner cavity of the positioning grooves 320, and the plurality of magnetic pole pieces are laminated together through the matching of the positioning salient points and the positioning grooves 320 to form the stator core 310;
the four stator teeth 330 are oppositely arranged on the inner side wall of the stator core 310 in pairs, and the stator teeth 330 and the stator core 310 are integrally processed;
two coil main windings 340 are wound on the two corresponding stator teeth 330, and the coil main windings 340 are connected with an alternating current power supply;
two coil secondary windings 350 are wound on the two corresponding stator teeth 330, the coil secondary windings 350 are connected in series in the capacitance box 130 and connected with a variable capacitor in the capacitance box 130, and the variable capacitor is connected with a power supply through a user switch, so that the starting and running characteristics of the direct current motor of the alternating current capacitance motor can be realized;
referring to fig. 1, 3, 4 and 6, a rotor 400 is mounted on the outer wall of the transmission device 200, the rotor 400 is in the inner cavity of the casing 100, the rotor 400 is between the two cooling devices 220, and the rotor 400 has:
the rotor core 410 is arranged between the two temperature reducing devices 220, the left side surface of the rotor core 410 is contacted with the right side surface of the left temperature reducing device 220, and the right side surface of the rotor core 410 is contacted with the left side surface of the right temperature reducing device 220;
sixteen draw-in grooves 420 are seted up on rotor core 410's front and back surface, and eight draw-in grooves 420 are the angles such as annular and set up at rotor core 410's front surface, and eight draw-in grooves 420 are the angles such as annular and set up at rotor core 410's rear surface in addition, and draw-in grooves 420 and flabellum 222 phase-match, flabellum 222 joint are in draw-in grooves 420 for fix heat sink 220, drive heat sink 220 rotation through transmission shaft 210 and rotor 400.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. An alternating current capacitor motor with a direct current motor starting operation characteristic, characterized in that: the method comprises the following steps:
a protective case (100);
the transmission device (200) is transversely installed at the middle end of the inner cavity of the protective shell (100), and the right end of the transmission device (200) penetrates through the right side face of the protective shell (100);
a stator (300), the stator (300) being mounted on an inner cavity sidewall of the casing (100), the stator (300) comprising:
the stator core (310) is formed by laminating a plurality of magnetic pole pieces;
the four positioning grooves (320) are formed in the front surface of the magnetic pole piece at an angle of 90 degrees, and positioning salient points matched with the positioning grooves (320) are arranged on the positions, corresponding to the four positioning grooves (320), of the rear surface of the magnetic pole piece;
the four stator teeth poles (330) are oppositely arranged on the inner side wall of the stator core (310) in pairs, and the stator teeth poles (330) and the stator core (310) are integrally processed;
two coil main windings (340), the two coil main windings (340) being wound on the corresponding two stator teeth (330);
two coil sub-windings (350), the two coil sub-windings (350) being wound on the corresponding two stator teeth (330);
a rotor (400), wherein the rotor (400) is installed on the outer wall of the transmission device (200), and the rotor (400) is arranged in the inner cavity of the protective shell (100).
2. An ac capacitor motor having a dc motor start-up operating characteristic as set forth in claim 1 wherein: the casing (100) comprises:
a housing (110);
a first bearing (120), wherein the first bearing (120) is installed at the middle end of the left side surface of the inner cavity of the shell (110);
a capacitance box (130), the capacitance box (130) being mounted on the top right side of the housing (110), the capacitance box (130) being connected with the two coil secondary windings (350) by a wire;
an end cap (140), the end cap (140) being mounted on a right side surface of the housing (110) by bolts;
a second bearing (150), wherein the second bearing (150) is installed at the middle end of the left side face of the end cover (140), and the axis of the second bearing (150) corresponds to the axis of the first bearing (120);
a mounting seat (160), wherein the mounting seat (160) is welded at the bottom of the shell (110);
a cover (170), the cover (170) being mounted on the left side of the outer wall of the housing (110) by bolts.
3. An ac capacitor motor having a dc motor start-up operating characteristic as set forth in claim 2 wherein: the transmission (200) comprises:
the transmission shaft (210) is transversely installed in the inner cavity of the shell (110) through the first bearing (120) and the second bearing (150), the right end of the transmission shaft (210) penetrates through the right side face of the end cover (140), and the left end of the transmission shaft (210) penetrates through the left end face of the shell (110) and is inserted into the inner cavity of the cover cap (170);
the two cooling devices (220), the two cooling devices (220) are sleeved on the outer wall of the transmission shaft (210);
a fan (230), wherein the fan (230) is installed on the left end face of the transmission shaft (210), and the fan (230) is arranged in the inner cavity of the cover (170).
4. An ac capacitor motor having a dc motor start-up operating characteristic as set forth in claim 3 wherein: both of the cooling devices (220) include:
the shaft sleeve (221), the shaft sleeve (221) is sleeved on the outer wall of the transmission shaft (210), and the shaft sleeve (221) and the transmission shaft (210) are in interference fit;
eight fan blades (222), eight fan blades (222) are welded on the outer wall of the shaft sleeve (221) in an annular shape at equal angles.
5. An ac capacitor motor having a dc motor start-up operating characteristic as set forth in claim 4 wherein: the rotor (400) comprises:
the rotor core (410) is arranged between the two cooling devices (220), the left side face of the rotor core (410) is in contact with the right side face of the cooling device (220) at the left end, and the right side face of the rotor core (410) is in contact with the left side face of the cooling device (220) at the right end;
sixteen draw-in grooves (420), sixteen draw-in grooves (420) are seted up on rotor core (410) the front and back surface, eight draw-in grooves (420) are angles such as annular and set up the front surface of rotor core (410), eight in addition draw-in grooves (420) are angles such as annular and set up the rear surface of rotor core (410), draw-in grooves (420) with flabellum (222) phase-match, flabellum (222) joint is in draw-in grooves (420).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921066933.5U CN209896882U (en) | 2019-07-10 | 2019-07-10 | Alternating current capacitor motor with starting operation characteristic of direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921066933.5U CN209896882U (en) | 2019-07-10 | 2019-07-10 | Alternating current capacitor motor with starting operation characteristic of direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209896882U true CN209896882U (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921066933.5U Active CN209896882U (en) | 2019-07-10 | 2019-07-10 | Alternating current capacitor motor with starting operation characteristic of direct current motor |
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| Country | Link |
|---|---|
| CN (1) | CN209896882U (en) |
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2019
- 2019-07-10 CN CN201921066933.5U patent/CN209896882U/en active Active
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