CN1107427A - NC full-speed energy accumulating-transducing apparatus - Google Patents

Abstract

The numerically controlled full-speed energy accumulating-transducing apparatus as new-type power source of car is composed of a full-speed synchronous rare-earth motor as main driver whose output shaft is connected to transfer case; two bidirectional frequency-changeable inverters for the stators windings of said motor and another full-speed synchronous rare-earth motor whose shaft is equipped with inertial flywheel in vacuum casing; accumulator and programmable controller for numeral control of two inverters.

Description

NC full-speed energy accumulating-transducing apparatus

The present invention relates to the engine installation of a kind of total control Electric Traction and generating, particularly a kind of can be according to the difference of condition at random and real time altering is the New-type electric machine and the control setup thereof of driven by power state or electrical power storage, transformation condition.

Auto-industry are the important industry that are full of competition on the contemporary world.Now, annual countries in the world have tens million of automobiles to drop into commodity markets, and the environmental pollution that these automobiles cause has had a strong impact on human ecological environment, wherein especially to the big city influence for very.At present, many big car companys are all at development function admirable, new automobile low in the pollution of the environment.An important developing direction was to utilize the electronlmobil of the chemical power of battery stores as driven by energy, will have indivedual manufacturers small lot to go into operation in market from 94 years.But, because the electronlmobil fetch long price, go out more than 2 times than general-utility car is expensive approximately, and automotive battery also is that price is expensive that the life-span is short, make this electronlmobil also few people make inquiries.It is reported, U.S.'s Chrysler Corporation has been released the inertia energy storage thought design-calculated electronlmobil model machine of usefulness " flywheel storage battery ", owing between inertia energy storage device and driven object, still adopt simple coupling, matching relationship between energy and the speed is difficult to reasonable coordination, and the stored energy capacitance that exists in the feasible flywheel energy storage type of drive that once was utilized in early days is little, system and device is heavy, the transformation of energy degree of utilization low and the little disadvantage of speed range does not still obtain adequate solution.

The purpose of this invention is to provide a kind of NC full-speed energy accumulating-transducing apparatus, be used for novel power device as mechanical equipments such as automobile, boats and ships, weight-lifting equipments.

The present invention is equipped with the rare earth full speed synchronous dynamo that rare earth permanent-magnetic material is made a plurality of magnetic poles by two its rotor outer rims, inertial flywheel, storage battery and numerical control device are formed, it is characterized in that: wherein the output shaft as the motor of master driver is connected with the auxiliary gear box of automobile by drive coupling, its stator coil is circumscribed with two-way variable ratio frequency changer inverter, this inverter links to each other with supply network by attaching plug, and by the direct current bus duct respectively with storage battery with another as the rare earth of energy storage/transducer at full speed the external two-way variable ratio frequency changer inverter of the stator coil of synchronous dynamo be connected, an inertial flywheel that is sealed in the vaccum case is housed in the rotating shaft of this energy storage/transducer motor, has these two two-way variable ratio frequency changer inverters are carried out numerically controlled Programmable Logic Controller.

The present invention is (CN93200001.0) recreation on the basis of patented technology " totally controlling the electric power/power device " the applicant.This patent is exactly in fact a kind of reversible transducer that can control in real time, promptly can be according to the instruction of Programmable Logic Controller output, the real-time command rare-earth synchronous motor is in energy input state (generating---energy storage) or energy output state (drive---operation) in the topped scope of full speed degree, promptly this patent is a kind of reversible transducing head of three ends based on electronics, information techenology.The present invention is exactly a technology of utilizing this reversible transducing head, at first the full speed rare-earth synchronous motor that can turn round under high speed combines with inertial flywheel, constitute a later-model high-speed physical energy storage/transducer, again will be by full speed rare-earth synchronous motor, two-way variable ratio frequency changer inverter and Programmable Logic Controller are formed one and can not restricted by speeds match, low-loss numerical control energy conv, promptly can between mechanical energy and electric energy, carry out the equipment of efficient conversion mutually, solving the physics accumulator that exists for many years can not simply be coupled with the driving load, realize the key obstacle of hard transmission, the storage battery that is aided with chemical energy storage more just can be the energy efficient of above-mentioned physics accumulator, convert to low consumption can random variation driving power.In addition, owing to adopt the physics energy storage, can not increase apparatus weight; Compare with conventional automobile, can not equip fuel tank, space and weight that original fuel tank is shared all are developed as new purposes.This energy storage mode, dynamic structure is simple, and after the large scale production, its cost can be competed mutually with conventional automobile.Owing to adopt AC network as the energy of the present invention, and the electric rate of electrical network is cheap far beyond the gasoline of equal usefulness, thus on the expenditure of power cost also than conventional automobile to save, favourable.In a word, the present invention be a kind of be the main new type power equipment that constitutes by conventional physical accumulator and numerical control transducer, provide more satisfactory and practical novel power equipment for developing free of contamination automobile.

Fig. 1 is that structure of the present invention is formed schematic diagram.

Fig. 2 is the physics accumulator/transducer architecture scheme drawing among the present invention.

Referring to Fig. 1, the present invention is equipped with rare earth permanent-magnetic material by two its rotor outer rims and is made that the full speed rare-earth synchronous motor 10,20 of a plurality of magnetic poles, inertial flywheel 22, storage battery 30 and numerical control device 40 etc. form.Wherein the output shaft as main drive motor 10 is connected with the auxiliary gear box of automobile by drive coupling, this drive motor is a propulsion source with grid power or device in-to-in direct current (DC), its stator coil is circumscribed with two-way variable ratio frequency changer inverter 11, this inverter 11 links to each other with supply network by its attaching plug 12, is obtained the grid power charging energy storage of garage or parking area by plug.Also by direct current bus duct 50 respectively with storage battery 30, and be connected as the external two-way variable ratio frequency changer inverter 21 of the stator coil of the full speed rare-earth synchronous motor 20 of energy storage/transducer with another.Referring to Fig. 2, an inertial flywheel 22 that is sealed in 23 li of vaccum cases is equipped with in rare-earth permanent magnet rotor 201 outsides of this energy storage/transducer motor 20, the stator of this motor is positioned at the inboard of p-m rotor 201, the 202nd, stator coil, its iron core adopts the magnetic ferrites material of high frequency high permeability to make, make rare-earth permanent magnet rotor 201 high speed revolution under the high frequency magnetic field effect so that in stator coil 202, feed high-frequency alternating current, thereby allow also high speed rotating of flywheel 22, tens thousand of rev/mins of its highest scooters can store enough inertia kinetic energies.The 203rd, antifriction-bearing box, the 204th, hollow anchor shaft, the feed wire of coil of stator of motor 202 are drawn 21 li of its two-way variable ratio frequency changer inverters of access in the axle thus.In addition these two two-way variable ratio frequency changer inverters 11,21 are carried out numerically controlled Programmable Logic Controller 40.As input power supply or output load, direct current bus duct 50 connects to an integral body with two inverters 11,21 and storage battery 30 to wherein two-way variable ratio frequency changer inverter 21, makes it to become a mini system of positive energy exchange each other with direct current bus duct 50.

The principle of work of total control electric power/power device is: both can obtain the energy from electrical network, through two-way inverter industrial-frequency alternating current or the controlled all variable alternating current of frequency, phase place that changes over of direct current (DC) are exported, and by the frequency, phase place, the electric current that change outgoing current control rare-earth electric motor rotating speed, turn to, output torque and stroke, also can draw rotation at the electromotive force that the stator coil internal induction generates because of p-m rotor, convert thereof into direct current (DC) by two-way inverter and supply with direct current power consumption load acting, perhaps charge a battery; Perhaps can also another mistake become alternating current and present back supply network.The mode of operation of main drive motor 10 of the present invention and two-way inverter 11 thereof has three kinds: a kind of is as electric motor state, obtain direct supply by direct current bus duct 50, after being reverse into three plase alternating current by two-way inverter 11, drive full speed rare-earth synchronous motor 10 as the electric motor state operation, and advance by coupler and auxiliary gear box driving automobile.Another kind is to make motor 10 as generator operation: promptly automobile is when descending or sliding state, obtain power by auxiliary gear box, full speed rare-earth synchronous motor 10 is moved as the electrical generator state, the electric current that its induction generates is behind two-way inverter 11 biphase rectifications, become direct current (DC), through 50 outputs of direct current bus duct, this energy or do chemical energy storage to storage battery 30 charging, perhaps convert the very high alternating current of frequency to through two-way inverter 21, drive full speed rare-earth synchronous motor 20 high speed revolutions, do the physics energy storage by inertial flywheel 22.The third is then obtained behind the energy directly via two-way inverter 11 from AC network by attaching plug 12 and is rectified into direct current (DC) to storage battery 30 chargings or make inertial flywheel 22 high speed revolution energy storage.Have two kinds as the motor 20 of energy storage/transducer and the mode of operation of two-way inverter 21 thereof: a kind of is by direct current bus duct 50 intakes, 21 original frequencies from inverter 11 of two-way inverter are initial, increase the frequency of operation of its out-put supply gradually, make motor 20 with electric motor state speedup operation, allow the energy storage of inertial flywheel high speed revolution.Another kind then is that this motor 20 runs slowly as the three phase synchronous generator state, and the mechanical energy that allows inertial flywheel 22 store converts electric energy to through motor 20, is reverse into direct current (DC) by two-way inverter 21 again and discharges the stored inertia energy of flywheel to device.Be in any mode of operation as for these two rare-earth synchronous motors, and concrete working condition, load all depends on the instruction of the real-time process Control Software of writing in the Programmable Logic Controller 40, this software is the mechanical characteristics according to automobile, driving conditions, road conditions, the gradient, the energy storage situation of accumulator, multiple factor such as charging and discharging of accumulator degree and the manually-operated dependent instruction of chaufeur and the real-time intelligent Control Software that is compiled into, so, the input end of Programmable Logic Controller 40 of the present invention also should be furnished with the speed sensor of automobile, the battery tension sensor, the flywheel tachogen, hand over, direct supply sensor and driver's operation instruction sensor or the like sensing device, so that send real time control command better, the operation of control associated components.

Because New-type electric machine among employing the present invention and control setup thereof are as propulsive effort, fuel tank in the conventional automobile and driving engine all can be cancelled, and automobile mechanical space simple in structure, available is increased; Maintenance load and hundred kilometers energy consumptions, expenses significantly reduce, and significantly reduce waste gas, noise and the dust pollution that produces in the running car.Because the inertial flywheel of high-speed operation in the running, can produce sizable square of going all out of tossing about, making has increased the lateral stability balance quality in the running car.Existing shortcoming is the automobile that utilizes the present invention to equip, and productive costs is wanted expensive (along with the increase of production lot, can reduce its cost) at present, and the accumulative total operating range is still not as good as conventional automobile after a F-Zero and the energy storage.Yet it is that contribution is significant for the improvement of environmental pollution and the consumption of saving petroleum products.And it not only can be used as automobile power, also goes for ship yacht, the mine vehicle of inland waterway navigation, crane weight-lifting equipment etc.

Claims (1)

1, a kind of NC full-speed energy accumulating-transducing apparatus, be the rare earth full speed synchronous dynamo that rare earth permanent-magnetic material is made a plurality of magnetic poles to be housed by two its rotor outer rims, inertial flywheel, storage battery and numerical control device are formed, it is characterized in that: wherein the output shaft as the motor of master driver is connected with the auxiliary gear box of automobile by drive coupling, its stator coil is circumscribed with two-way variable ratio frequency changer inverter, this inverter links to each other with supply network by attaching plug, and by the direct current bus duct respectively with storage battery with another as the rare earth of energy storage/transducer at full speed the external two-way variable ratio frequency changer inverter of the stator coil of synchronous dynamo be connected, an inertial flywheel that is sealed in the vaccum case is housed in the rotating shaft of this energy storage/transducer motor, has these two two-way variable ratio frequency changer inverters are carried out numerically controlled Programmable Logic Controller.

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