阅读说明：本技术 一种合成功率电动机 (Synthetic power motor ) 是由 张世兴 张皓 于 2018-01-22 设计创作，主要内容包括：一种合成功率电动机,属电动机制造和电动机控制技术领域,合成功率电动机主要由壳体、转子、定子、定子绕组和接线端子组成,转子由同轴多个独立转子组合而成,定子亦由与转子相对应的多个独立定子组合而成,每个独立定子都有独立的定子绕组,各个独立定子绕组单独引出各自电源接线端,其智能控制器根据传感器的负载信号与电动机运行状态信息和各个独立定子绕组参数分别控制与定子绕组对应的多个切换开关的接通与分断,实现合成功率电动机的软启动、软停止和变功率运行,并可获得较高的节电效果,不产生谐波干扰,不污染电源,合成功率电动机及其智能控制器还具有声光报警和通讯端口,可实现与计算机或智能电网的连接。(A synthetic power motor is composed of casing, rotor, stator windings and connecting terminals, the rotor is composed of multiple coaxial independent rotors, the stator is composed of multiple independent stators relative to the rotor, each stator has independent stator winding, and each independent stator winding has its own power supply terminal, and its intelligent controller controls the on-off of multiple switches relative to stator windings according to the load signal of sensor, the running state information of motor and the parameters of each independent stator winding, so realizing the soft start, soft stop and variable power operation of synthetic power motor, connection to a computer or smart grid may be achieved.)

A composite power motor is mainly composed of a composite rotor (1) which is composed of a plurality of coaxial independent rotors (Z1, Z2 and Z3 … … Zn), a composite stator (2) which is composed of a plurality of independent stators (D1, D2 and D3 … … Dn) in the same shell (3), a shell (3) of the composite power motor, and respective independent windings (L1, L2 and L3 … … Ln) of the plurality of independent stators (D1, D2 and D3 … … Dn) in the shell (3) of the composite power motor, and an intelligent controller (4), wherein the independent stator windings (L1, L2 and L3 … … Ln) respectively and independently lead out power supply wires to connecting terminals (L1u, L1v, L1w), (L2u, L2v, L3w), (L3u, L3v and L3w) … … (Lnu, Lnv and Lnw), so-called independent rotors and independent stators and the independent rotors and independent stators can be basically composed of the composite power motor, and is characterized in that:

a plurality of stator windings (L1, L2 and L3 … … Ln) which are independently led out of a power supply wiring terminal are selected according to an equal ratio number sequence and can also be selected according to an equal difference number sequence or discrete parameters, a plurality of power change-over switches (m1, m2 and m3 … … mn) are respectively in one-to-one correspondence with the independent windings (L1, L2 and L3 … … Ln) to form a composite power motor and an intelligent control system thereof, an intelligent controller (4) carries out comparison operation and mathematical analysis processing according to load current signals of load current sensors (CL1 and CL2) and motor operation state information, and controls the connection and disconnection of the power change-over switches (m1, m2 and m3 … … mn) respectively according to processing results;

a composite power electric motor as recited in claim 1, further characterized by: the total power current of a plurality of independent stator windings (L1, L2 and L3 … … Ln) of the composite power motor is the maximum rated power current (Ir) of the motor, and the rated power currents (Ir1, Ir2 and Ir3 … … Irn) of the independent stator windings (L1, L2 and L3 … … Ln) are respectively selected according to the geometric progression, the geometric progression or the discrete parameters of the maximum rated current (Ir) so as to complete the optimization processing of the rated currents (Ir1, Ir2 and Ir3 … … Irn) of the independent stator windings (L1, L2 and L3 … … Ln);

the mathematical optimization processing method of the plurality of independent stator windings (L1, L2 and L3 … … Ln) respectively corresponding to rated currents (Ir1, Ir2 and Ir3 … … Irn) or rated powers (Pr1, Pr2 and Pr3 … … Prn) of the plurality of independent stators is also suitable for single-phase or multi-phase motors;

the power switches (m1, m2, m3 … … mn) are in one-to-one correspondence with the independent stator windings (L1, L2, L3 … … Ln), the numerical values of the terms of the independent stator windings (L1, L2, L3 … … Ln) correspond to the numerical values (a1, a2, a3 … … an) of the terms of the number series, the number (n) of the stator windings is equal to the numerical value of the winding switches (m), therefore, the number (n) of the stator windings is also the term (n) of the geometric number series, the first stator winding (L1) is the first term (a1) of the geometric number series, the second stator winding (L2) is the second term (a2) of the geometric number series, the third stator winding (L3) is the third term (a3) of the geometric number series, and the fourth stator winding (L4) is the fourth term (4 a) of the geometric number series; the nth stator winding (Ln) is the last term (an) of the geometric series; the sum of each item of the geometric series is equal to the maximum current (Ir) or the maximum rated power (Pr) of each independent winding, namely the total current (Ir) or the total power (Pr), the numerical value of each geometric series obtained through mathematical analysis is the synthetic current or the synthetic power of each rated current (Ir1, Ir2 and Ir3 … … Irn) of the plurality of independent stator windings (L1, L2 and L3 … … Ln), and the synthetic current (I) or the synthetic power (P) of the synthetic power motor and each independent rated current (Ir1, Ir2 and Ir3 … … Irn) or each independent rated power (Pr1, Pr2 and Pr3 … … Prn) are in mathematical analysis relation with each other;

if the first term of the geometric progression (a1 ═ 1), the common ratio (q ═ 2), and the number of terms (n ═ 3), the sum of the terms equals (a1+ a2+ a3 ═ 7), 7-stage regulation is available in succession starting from 0; according to the property of the geometric progression, the sum of any 2 or more geometric progression is also the geometric progression, both (a1+ a2), (a2+ a3), (a3+ a4) and (a1+ a3) and (a1+ a4) are the geometric progression, the intelligent controller (4) of the combined power motor controls the connection and disconnection of the plurality of winding change-over switches (m1, m2 and m3 … … mn) respectively through the result of mathematical analysis according to the signal size of the load current sensors (CL1 and CL2), namely the light weight of the load, and the connection and disconnection of the plurality of independent winding change-over switches (m1, m2 and m3 … … mn) can be set to be manually and automatically controlled to meet the requirement of manual operation;

the combined power motor as claimed in claim 1, wherein the winding structure of the plurality of groups of independent windings (L1, L2, L3 … … Ln) of the plurality of independent stators in the same casing may be formed in a star connection, an angle connection, a hybrid connection or a multiple winding connection;

the composite power motor of claim 1, further characterized by: the plurality of independent stator windings (L1, L2 and L3 … … Ln) adopt mathematical distribution control of an equal-ratio series, an equal-difference series and discrete parameters to improve process efficiency, reduce manufacturing cost and facilitate realization of optimal control of a plurality of winding change-over switches (m1, m2 and m3 … … mn), for example, the mathematical control of the constant-ratio series of the rated current 1/2/4 of an independent winding (n is 3) is selected, continuous regulation and control of the rated current (Ir 0-Ir 7) analyzed from 8-level mathematical series of 0-100% can be realized, the distribution control of the 1/2/4/8-level mathematical series of the rated current of the independent winding (n is 4) is selected, and continuous regulation and control of the rated current (Ir 0-Ir 15) analyzed from 16-level mathematical series of 0-100% can be realized;

if necessary, more stator windings (Ln is 5, Ln is 6, Ln is 7 … …) can be selected, higher soft start and soft stop smooth characteristics of geometric progression increase and higher synthetic power regulation precision can be obtained, but the number (mn) of the switches and the number (n) of terms of the geometric progression need to be synchronously adjusted, and more output ports of the single chip microcomputer need to be occupied;

because rated currents (Ir1, Ir2 and Ir3 … … Irn) of a plurality of independent stator windings (L1, L2 and L3 … … Ln) are respectively selected according to the geometric series, the arithmetic series or discrete parameters of the total rated current (Ir), more power series or current series can be resolved under the condition of less independent stator windings (L1, L2 and L3 … … Ln), the dynamic regulation characteristics of soft start, soft stop and automatic load conversion power tracking in operation are realized, higher power saving effect is obtained, harmonic interference is not generated, and the power supply is not polluted;

the composite power motor of claim 1, further characterized by: winding control output pins of a singlechip (IC1) of an intelligent controller (4) respectively output array item numbers (an) corresponding to an equal ratio array, an equal difference array or discrete parameters, and the array item numbers (a1, a2 and a3 … … an) respectively correspond to a1 st relay (J1), a2 nd relay (J2) and a3 rd relay (J3) … … and an nth relay (Jn);

the composite power motor of claim 1, further characterized by: the multiple independent winding change-over switches (m1, m2, m3 … … mn) can be relays, contactors or electronic switch elements, and can realize connection with a computer control system or a smart grid through expansion of a communication port.

The composite power motor of claim 1, further characterized by: the intelligent controller (4) is composed of a signal conditioning circuit taking a single chip microcomputer (IC1) as a control core, load current sensors (CL1, CL2), an operation state parameter display, a keyboard, a driving circuit and a communication interface circuit, wherein the plurality of winding change-over switches (m1, m2 and m3 … … mn) are switched and controlled according to at least current signals of one load current sensor (CL1 and CL2), the operation program of the single chip microcomputer (IC1) of the intelligent controller (4) is to send out switching instructions of the plurality of winding change-over switches (m1, m2 and m3 … … mn) through an output port after the numerical operation analysis and data processing according to the load current signals and the rated currents and winding parameters of each winding of the motor which are input in advance, so as to control the plurality of winding change-over switches (m1, m2 and m3 … … mn) to realize the tracking characteristic of load current, and enable the motor to realize the tracking characteristic of the load current breaking when the load current is small, the motor is automatically switched to a low-power or low-current winding, so that the total output power of the motor is reduced, the output power of the motor is always optimally matched with the load, and the electric energy is saved;