Single-phase alternating current motor

Abstract

The utility model discloses a single-phase alternating current motor, which is characterized in that the single-phase alternating current motor comprises a motor main body, a stator assembly and a rotor assembly, the stator assembly and the rotor assembly are arranged in the motor main body, the stator assembly comprises a stator iron core, a main winding and an auxiliary winding, the main winding and the auxiliary winding are arranged on the stator iron core, the potential angle of the main winding and the auxiliary winding is 90 degrees, and the stator iron core is formed by laminating a plurality of 0.5 mm silicon steel sheets; the main winding and the secondary winding are formed by winding two wires in parallel, so that the problem of wire embedding difficulty is solved, and the wires which are formed by winding the wires with smaller wire diameters in parallel are used for replacing large current and large wire diameters. The device only needs a single-phase alternating-current power supply to supply power, and is convenient to use, simple in structure, reliable in operation, low in price and convenient to maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor technical field more particularly is a single -phase alternating -current motor. BACKGROUND

[0002] At present, motor is a kind of equipment that converts electric energy into mechanical energy, it is to use the rotation of electric coil (ie stator winding) magnetic field and act on rotor and form magnetic electric rotation torque. It can be synchronous motor or asynchronous motor (motor stator magnetic field rotation speed and rotor rotation speed do not keep synchronous speed). Motor is mainly composed of stator and rotor, the direction of force movement of energized wire in magnetic field is related to electric current direction and magnetic induction line direction. Motor working principle is that magnetic field is subjected to the action of electric current force, makes motor rotate. Motor is divided into three-phase asynchronous motor and single-phase asynchronous motor according to different power supply. Traditional ac single-phase capacitor start or double-value capacitor motor, motor starts at the moment, starting capacitor realizes the function of starting capacitor through the on-off of mechanical centrifugal switch. With the iteration of product update, the requirement of motor is higher and higher, the motor used in current oil-free air compressor has the problems of embedded wire difficulty, high cost, inconvenient maintenance etc., therefore, it is necessary to further improve the prior art. SUMMARY

[0003] The utility model discloses a single -phase alternating -current motor that is stable and reliable, easy to use, low in price, convenient to maintain and can effectively solve the embedded wire difficulty problem.

[0004] The utility model discloses a single -phase alternating -current motor that is stable and reliable, easy to use, low in price, convenient to maintain and can effectively solve the embedded wire difficulty problem.

[0005] As a further description of the above scheme, the single -phase alternating -current motor is 24 slot 2 pair of poles, uses 115V, 60HZ frequency, rated power 320W, current is 3A, maximum torque 2.32N.m, motor efficiency 74.95%.

[0006] Further, the outer diameter of the stator core is 98mm, the inner diameter is 56.5mm, and the silicon steel sheet is 70mm thick.

[0007] Further, the resistance of the main winding at room temperature is 3.55±5%, and the resistance of the auxiliary winding is 7.22±5%.

[0008] Further, the main winding of the motor uses φ0.53mm enameled copper wire, and the auxiliary winding uses φ0.45mm enameled copper wire.

[0009] Further, the main winding has 56 turns of large circle and 30 turns of small circle, the auxiliary winding has 84 turns of large circle and 41 turns of small circle, and the current is not higher than 3A under the power of 320W, so that the temperature rise of the motor is ensured to be lower than 80K.

[0010] Further, the motor winding all uses F-grade enameled copper wire, which has a temperature resistance of 155 degrees Celsius, and the motor has a longer service life.

[0011] The beneficial effects that can be achieved by the utility model adopting the above technical solutions are.

[0012] The utility model discloses a single-phase alternating current motor structure which mainly comprises a motor main body, a stator assembly arranged in the motor main body and a rotor assembly, and is suitable for the voltage frequency of 115V and 60HZ in European and American countries, can be manufactured into products exported to European and American countries, and comprises a stator core and a main winding and an auxiliary winding arranged on the stator core, the potential angle of the main winding and the auxiliary winding is 90 DEG, the stator core is formed by laminating a plurality of 0.5mm silicon steel sheets, the main winding and the auxiliary winding adopt the form of two wires and are wound, the purpose is to solve the difficulty of embedding wires, and the number of wires and wires of small diameter are used to replace large current and large diameter wires, only single-phase alternating current power supply is needed, and the single-phase alternating current motor is convenient to use, simple in structure, reliable in operation, low in price and convenient to maintain. DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model.

[0014] Figure 2 It is a stator structure schematic view of the utility model.

[0015] Figure 3 It is a winding wiring diagram of the utility model.

[0016] Mark 1, motor main body 2, stator assembly 2-1, stator core 2-2, main winding 2-3, auxiliary winding 3, rotor assembly. CONCRETE IMPLEMENTATION

[0017] In the description of the utility model, it is necessary to explain that, for the direction words, if the terms "center", "transverse", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the utility model.

[0018] In addition, if the terms "first", "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the "first" and "second" features can be explicitly or implicitly included one or more features, and in the description of the utility model, the meaning of "at least" is one or more, unless otherwise explicitly specified and limited.

[0019] In the utility model, unless otherwise specified and limited, if the terms "assembly", "connection", "connection" are understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; It can be a mechanical connection; it can be directly connected, or it can be connected through an intermediate medium, or it can be connected between two elements. For those skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0020] In the utility model, unless otherwise specified and limited, the "upper" or "lower" of the first feature on the second feature can include the direct contact of the first and second features, or the contact of the first feature and the second feature through another feature between them. Moreover, the "upper", "lower" and "upper" of the first feature on the second feature include the vertical direction above and oblique above of the first feature on the second feature, or only indicate that the horizontal height of the first feature is higher than the height of the second feature. The "upper", "lower" and "lower" of the first feature on the second feature include the vertical direction below and oblique below of the first feature on the second feature, or only indicate that the horizontal height of the first feature is lower than the height of the second feature.

[0021] The specific embodiments of the utility model are further described below in conjunction with the drawings of the specification, so that the technical scheme of the utility model and its beneficial effects are more clear and explicit. The description of the embodiments below is exemplary and is intended to explain the utility model, and cannot be understood as limiting the utility model.

[0022] As Figures 1-3As shown, the utility model is a single-phase alternating current motor, it includes motor main body 1 and its inside setting stator assembly 2, rotor assembly 3, stator assembly 2 includes stator core 2-1 and the main winding 2-2, auxiliary winding 2-3 set up on it, main winding, auxiliary winding potential angle is 90 DEG, and the stator core is made of the silicon steel sheet of multiple 0.5mm laminated, main winding and auxiliary winding adopt the form of two conductors and the number of turns, the purpose is to solve the difficulty of embedding wire, and the number of turns of the conductor of smaller diameter is used to replace the large current and large diameter. The motor is 24-slot 2-pole motor, uses 115V, 60HZ frequency, rated power 320W, current is 3A, maximum torque 2.32N.m, motor efficiency 74.95%. The outer diameter of stator core is 98mm, the inner diameter is 56.5mm, and the silicon steel sheet is 70mm thick.

[0023] Because the current is larger, the large diameter enameled wire is used to meet the current passing and the enameled wire is not burned by overcurrent, so the motor winding all uses F-grade enameled copper wire, the temperature resistance is 155 degrees Celsius, and the motor life is longer. In the embodiment, the main winding of the motor uses φ0.53mm enameled copper wire, and the auxiliary winding uses φ0.45mm enameled copper wire. The resistance of the main winding at normal temperature is 3.55±5%, and the resistance of the auxiliary winding is 7.22±5%. The number of turns of the main winding is 56 turns in the large circle and 30 turns in the small circle, and the number of turns of the auxiliary winding is 84 turns in the large circle and 41 turns in the small circle. Under the power of 320W, the current is not higher than 3A, and the motor temperature rise is ensured to be lower than 80K.

[0024] The following is the motor performance data

[0025] U(V) I(A) P1(W) T(N.m) n(r / min) P2(W) I1(A) I2(A) Uc(V) Idle point 113.7 1.591 113.60 2.06 1788.0 11.23 2.453 1.973 228 Maximum torque 113.6 6.029 643.30 2.32 1472.0 357.59 5.477 1.301 149.9 Maximum output 113.7 5.571 599.30 2.29 1520.0 364.48 4.937 1.364 157.1 Maximum efficiency 114 3.425 375.90 1.62 1678.0 284.64 2.635 1.680 193.6 Rated point 114 2.935 320.00 1.345 1703.5 239.84 2.253 1.752 201.9 .

[0026] Compared with the prior art, the utility model only needs single-phase alternating current power supply, is convenient to use, simple in structure, reliable in operation, low in price, convenient to maintain and the like, adopts the number of turns of two conductors and the number of turns, the purpose is to solve the difficulty of embedding wire, and the number of turns of the conductor of smaller diameter is used to replace the large current and large diameter; this motor is suitable for the voltage frequency of European and American countries, and can be manufactured into the products exported to European and American countries.

[0027] The above-mentioned is only the preferred implementation mode of the utility model, and it should be pointed out that, for ordinary skilled person in the art, under the premise of not departing from the creative concept of the utility model, a plurality of deformation and improvement can be made, and these all belong to the protection range of the utility model.

Claims

1. A single-phase alternating current electric motor characterized by, It includes motor body and its inner setting stator assembly, rotor assembly, stator assembly includes stator core and its setting main winding, auxiliary winding, main winding, auxiliary winding potential angle is 90°, stator core is made of many pieces of 0.5mm silicon steel sheet laminated; Main winding and auxiliary winding adopt two lead and wind forms, adopt small diameter lead and wind lead number instead of large current large diameter.

2. A single-phase AC electric motor according to claim 1, characterized in that Single-phase AC motor is 24 slot 2 pair of pole, uses 115V, 60HZ frequency, rated power 320W, current is 3A, maximum torque 2.32N.m, motor efficiency 74.95%.

3. A single-phase AC electric motor according to claim 1, characterized in that The outer diameter of stator core is 98mm, the inner diameter is 56.5mm, the silicon steel sheet stack thickness is 70mm.

4. A single-phase AC electric motor according to claim 1, characterized in that The resistance of main winding at room temperature is 3.55±5%, and the resistance of auxiliary winding is 7.22±5%.

5. A single-phase AC electric motor according to claim 1, characterized in that The main winding of the motor uses φ0.53mm enameled copper wire, and the auxiliary winding uses φ0.45mm enameled copper wire.

6. A single-phase AC electric motor according to claim 1, characterized in that The main winding has 56 turns in the large circle and 30 turns in the small circle, and the auxiliary winding has 84 turns in the large circle and 41 turns in the small circle.

7. A single-phase AC electric motor according to claim 1, characterized in that The motor winding all uses F-grade enameled copper wire, which can resist 155 degrees Celsius.

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