CN2141948Y - Multifunctional efficient energy-saving series squirrel-cage motor - Google Patents

Abstract

The utility model relates to a multifunctional efficient energy-saving series cage motor. The utility model is characterized in that the rotor of the motor is formed in a series cage type and is formed by that multisection rotor cores are connected in series. The place of every neighboring two sections rotor cores is provided with a power increasing ring, and inner part of the annular hole of the power increasing ring is sheathed with a small rotor iron core. The place between the two sections rotor cores of both ends of the series cage rotor and a fan ring is provided with an insulation bushing ring, and the inner part of the insulation bushing ring is sheathed with a small rotor iron core. The inner chamber of the fan ring is provided with an insulation compression ring, which is fixed on a rotor shaft through a convex compression nut, and the fan ring, the convex compression nut, and the main body of the rotor are insulated.

Description

Multifunctional efficient energy-saving series squirrel-cage motor

The utility model relates to a string cage rotor motor, comprises stator and rotor, fan ring, motor housing.

The kind of motor is a lot, and its rotor is mostly as a whole, and the fan ring of motor directly contacts with rotor.This motor, starting current is big, and power consumption is many, changes apart from little, and temperature height when being with load easily makes motor burn out; During Fraquent start, motor temperature is higher, influences the operation of grid power.The three phase mains of this motor, disconnected one phase time, as not doing disposal, motor burns out immediately.

Task of the present utility model is that the rotor of the many rotors of a kind of serial cage type, motor and the motor of fan ring insulation are provided in order to overcome above-mentioned the deficiencies in the prior art.This motor little power consumption, temperature are low, the output energy is big, and starting current is little, change apart from big, and it is lower to start relative electric current repeatedly; The motor phase time that breaks can move as usual, and disconnected two phase times connect zero line, and single phase poaer supply still can run well.

Finishing the technical scheme that above-mentioned task takes is:

According to the inductance magnetic line of force, the action of a magnetic field power, electromagnetic induction magnetic field integration principle, motor rotor are the serial cage type rotor, and the serial cage type rotor is composed in series by n section rotor core, n 〉=2, preferably n=2-10; Be separated by with a growth trend ring between every adjacent two-stage rotor iron core; Be with in the annular distance of growth trend ring and the close-fitting lesser trochanter iron core of annular distance internal diameter; One insulation grommet is arranged between opposing top of the two-stage rotor iron core of serial cage type two ends of rotor and fan ring, in the annular distance of insulation grommet, be with one with the annular distance internal diameter lesser trochanter iron core that closely cooperates, this lesser trochanter iron core stretches into a circle space between the part of fan ring inner chamber and the fan ring, the inner chamber of fan ring is two sections big inner chamber and little inner chambers that diameter is different, two sections inner chamber joints a step is arranged, card is placed with a diameter and the close-fitting insulation pressure ring of the big intracavity diameter of fan ring on this step, between this insulation pressure ring and the adjacent lesser trochanter space is arranged; With the convex clamp nut pass with rotor shaft on the screw thread that is complementary, will insulate pressure ring and fan ring are fixed and clamped; The diameter of convex clamp nut is less than the diameter of the corresponding with it big inner chamber of fan ring, between convex clamp nut and the corresponding with it big inner chamber of fan ring a circle space arranged, and makes between fan ring and the convex clamp nut and insulate.

Every section rotor core is folded the making of circular silicon steel sheet group of being left axis hole by the heart therein, on the silicon steel sheet of the axis hole periphery of silicon steel sheet the evenly equidistant hole of arranging of a circle is arranged, this hole be shaped as prismatic or olive shape, the rib point prismatic hole of axis hole dorsad preferably.

The growth trend ring is to enclose insulator and constitute on four faces of a copper ring, and insulator is fabroil or copper clad plate.

Little iron core in the growth trend ring annular distance is folded the forming of circular silicon steel sheet group of being left axis hole by the heart therein, on the silicon steel sheet of silicon steel sheet axis hole periphery, an evenly equidistant circle hole of arranging is arranged, and this hole is preferably the hole, garden.

Insulation grommet in string cage two ends of rotor is to be made by fabroil or copper clad plate, and the annular distance of insulation grommet equates with the annular distance of growth trend ring, with the external diameter of lesser trochanter iron core for closely cooperating.

Be enclosed within the fan ring, the insulation pressure ring that card is placed on the fan ring inner chamber step is to be made by fabroil or copper clad plate, and the annular distance of insulation pressure ring matches with rotor shaft, and its external diameter and the big intracavity diameter of fan ring are complementary.

The convex clamp nut is that ironcasting is made, and the diameter of nut bottom is less than the diameter of the big inner chamber of corresponding fan ring with it, make sit at the bottom of the convex clamp nut and the fan ring between a circle space is arranged, contact conducting with fan ring and fan ring with rotor to cut off nut.

After the utility model adopts such scheme, compared with prior art, change the inductance magnetic line of force and magnetic field structure form, improved the electromagnetic induction active force, strengthened electromotive force intensity, under equal power motor loading condition, reached following effect: 1. little power consumption, average total economize on electricity 20-50%, 2. fan-out capability is big, the little 40-60% of starting current, 3. temperature is low 10-40 ℃, and 4. torque is big, starts repeatedly 60 times/minute, electric current low 50% relatively, 5. the disconnected phase of motor, safe operation as usual, disconnected two-phase, connect zero line, single phase poaer supply still can move as usual.

Fig. 1 is the front section view of the utility model string cage rotor;

Fig. 2 is the left and right view of fan ring and other part of interior cover thereof;

Fig. 3 is for forming the planform figure of rotor core silicon steel sheet;

Fig. 4 is combined rotor iron core silicon steel sheet and aluminium cast one partial sectional view;

Fig. 5 is the B-B cutaway view of Fig. 4;

Fig. 6 is for forming the silicon steel structure aspect graph of lesser trochanter iron core;

Fig. 7 is the C-C cutaway view of Fig. 6;

Fig. 8 is a growth trend ring side sectional view;

Fig. 9 is the longitudinal section of growth trend ring;

Figure 10 is the planform figure of insulation grommet;

Figure 11 is the planform figure of insulation pressure ring;

Figure 12 is the structure chart of convex clamp nut;

Figure 13 is the cutaway view of Figure 12.

Be that embodiment does further auspicious stating to the utility model below with the accompanying drawing:

1, the structure of rotor core 2 and manufacturing:

Shown in Fig. 1,3, the axis hole 2-C that matches with rotating shaft 5 diameters is left at center at the circular silicon steel sheet 2-A that forms rotor core, on the silicon steel sheet 2-A of axis hole 2-C periphery, the evenly equidistant rib point of arranging of the circle prismatic hole 2-B of axis hole 2-C is dorsad arranged.

Shown in Fig. 1,4,5, with polylith silicon steel sheet 2-A, make its axis hole 2-C, rib hole 2-B respectively relatively, organized and folded, pour into rotor core 2 with metallic aluminium or copper, aluminium or copper are as the lead 2-D of rotor core.

2, the structure of lesser trochanter iron core 4 and manufacturing:

Shown in Fig. 1,6,7, center at the garden shape silicon steel sheet 4-A that forms lesser trochanter iron core 4, leave the axis hole 2-C that is complementary with rotating shaft 5 diameters, on the peripheral silicon steel sheet 4-A of axis hole 2-C, the evenly equidistant circular hole 4-B that arranges of one circle is arranged, polylith silicon steel sheet 4-A group is folded, make the circular hole 4-B above it relative respectively with axis hole 2-C, pour into little iron core 4 with metallic aluminium or copper, the annular distance of the external diameter of lesser trochanter iron core 4 and growth trend ring 3 is complementary.

3, the structure of growth trend ring 3 and manufacturing:

Shown in Fig. 1,8,9, on four faces of copper ring 3-B, seal with insulator fabroil or copper clad plate.The annular distance 3-C internal diameter of growth trend ring 3 and the external diameter of little iron core 4 are complementary.

4, the structure and the manufacturing of insulation grommet 6:

Shown in Fig. 1,10, insulation grommet 6 is to make with insulator fabroil or copper clad plate, its annular distance 6-A matches with the external diameter of lesser trochanter iron core 4, the diameter of lesser trochanter iron core 4 of annular distance 6-A that is inserted in insulation grommet 6 is less than the diameter of the thin inner chamber of fan ring, and lesser trochanter iron core 4 stretches between little inner chamber part of fan ring and the little inner chamber of fan ring a circle space.

5, the structure and the manufacturing of insulation pressure ring 7:

Shown in Fig. 1,2,10, insulation pressure ring 7 is to make with cloth bakelite or copper clad plate, the axis hole 2-C that is complementary with rotating shaft 5 diameters is left at its center, the external diameter of insulation pressure ring 7 and the big intracavity diameter of fan ring 1 are complementary, and insulation pressure ring 7 cards are placed on the step 10 of big inner chamber of fan ring and little inner chamber joint.

6, fan ring 1 structure and manufacturing:

As shown in Figure 1, 2, fan ring 1 is to be formed by the aluminium cast, and the different large and small inner chamber of the promising two sections diameters of the inner chamber of fan ring 1 has a step 10 in two inner chamber joints.

7, the structure of convex clamp nut 8 and manufacturing:

Convex clamp nut 8 is that cylinder iron part is made shown in Fig. 1,2,12,13,12 diameter is sat less than the corresponding with it big intracavity diameter of fan ring in its end, make the end of convex clamp nut 8 sit 12 and fan ring 1 between a circle space 11 is arranged, to cut off the contact conducting between male nut 8 and the interior wing ring 1.

8, string cage rotor and motor general assembly:

With above-mentioned each parts in addition, by order shown in Figure 1 and each in addition the structure of parts and position relation assemble and be serial cage type rotor of the present utility model, mixing corresponding Stator and electrical machine shell promptly becomes multi-function, efficient energy-saving electric motor of the present invention.

Claims (5)

1, a kind of multi-function, efficient energy-saving electric motor comprises motor housing, stator and rotor, it is characterized in that:

The rotor of motor is the serial cage type rotor, and the serial cage type rotor is composed in series by n section rotor core, n 〉=2, preferably n=2-10; Be separated by with a growth trend ring 3 between every adjacent two-stage rotor iron core 2; Be with the little iron core 4 that closely matches with annular distance 3-C internal diameter in the annular distance 3-C of growth trend ring 3; Between the top of the two-stage rotor iron core 2 at string cage rotor core two ends and fan ring 1, an insulation grommet 6 is arranged; In the annular distance 6-A of insulation grommet 6, be with one and the close-fitting lesser trochanter iron core 2 of annular distance 6-A internal diameter; This lesser trochanter iron core 2 stretches into a circle space 9 between the part of fan ring 1 inner chamber and the fan ring 1; The inner chamber of fan ring 1 is two sections big inner chamber and little inner chambers that diameter is different, two sections inner chamber joints one step 10 is arranged, card is placed with a diameter and the suitable insulation pressure ring 7 of fan ring 1 big intracavity diameter on this step 10, with convex clamp nut 8 pass with rotor shaft 5 on the screw thread that is complementary, will insulate pressure ring 7 and fan ring 1 are fixed and clamped; The diameter of convex clamp nut 8 is less than corresponding with it fan ring 1 big intracavity diameter, has one to enclose space 11 between convex clamp nut 7 and corresponding with it fan ring 1 big inner chamber, makes between fan ring 1 and the convex clamp nut 8 and insulate.

2, serial cage type rotor multifunctional high-efficiency energy-saving motor as claimed in claim 1 is characterized in that: be encapsulated with fabroil or copper clad plate insulator 3-A around the growth trend ring 3.

3, serial cage type rotor multifunctional high-efficiency energy-saving motor as claimed in claim 1, it is characterized in that: the evenly equidistant hole 2-B that arranges of a circle is arranged on the peripheral silicon steel sheet of the axis hole 2-C of the silicon steel sheet 2-A of composition rotor core 2, this hole is to be prismatic hole or olive hole, preferably the rib point prismatic hole of axis hole 2-C dorsad; Around the axis hole 2-C of silicon steel sheet 2-A, comprise a circle prismatic hole 2-B, be encapsulated as rotor core 2 with metallic aluminium or copper cast.

4, serial cage type rotor multifunctional high-efficiency energy-saving motor as claimed in claim 1, it is characterized in that: forming on the silicon steel sheet 4-A of axis hole 2-C periphery of silicon steel sheet 4-A of little iron core 4 has the evenly equidistant hole 4-B that arranges of a circle, this hole is preferably the hole, garden, around the axis hole 2-C of silicon steel sheet 4-A, comprise circle hole, a garden 4-B, be encapsulated as lesser trochanter iron core 4 with metallic aluminium or copper cast.

5, the multi-functional high energy-saving motor of handing over of serial cage type rotor as claimed in claim 1 is characterized in that: being inserted between lesser trochanter iron core 2 in the insulation grommet 6 annular distance 6-A and the adjacent insulation pressure ring 7 has a space 11.

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