CN205605301U - High -speed power frequency forced air cooling vehicle power generating set - Google Patents

Abstract

The utility model discloses a high -speed power frequency forced air cooling vehicle power generating set, include the generator and be used for driving the rotatory drive arrangement of generator, its characterized in that: drive arrangement is automobile engine, automobile engine adopts the car to change speed adjusting accuse ware control rotational speed, the car changes speed adjusting accuse ware including the speed sensor who gathers the engine flywheel rotational speed, speed sensor is connected with the control circuit module electricity that is used for collecting rotational speed feedback signal and sending throttle control signal, and control circuit module, speed governing circuit module, step motor electricity in proper order connect, step motor links to each other with the control pull rod. This generating set complete machine is small, the installation of being convenient for, and generated power is big.

Description

A kind of high speed power frequency air-cooled power train in vehicle application generating set

Technical field

This utility model belongs to technical field of generators, particularly relates to a kind of little and high-power generating set of volume.

Background technology

Generating set is the plant equipment that the energy conversion of other forms becomes electric energy, it is made up of dynamical system, control system, silene system, shock mitigation system, gas extraction system, the most common is all to be generated electricity by the hydraulic turbine, steam turbine, electromotor Diesel Driven, the energy that current, air-flow, fuel combustion produce is converted into mechanical energy and passes to electromotor, be converted to electric energy by electromotor again, export and use in electrical equipment.Electromotor all has been widely used in industrial and agricultural production, national defence, science and technology and daily life.Recently as improving constantly of technological progress and commercial production levels, generating set be there has also been the highest requirement, need to arrange powerful generating equipment to adapt to productive life needs in limited installing space, small size or powerful generating set are by much the most on the market, but the generating set often power that volume is little is less, but and the Electricity Generation unit of satisfied needs is the most bulky, floor space is difficult to be met, thus significantly constrains the use of generating set.Such as, the basic motor of generating set more than 20KW is all 1500 turns of rotary regimes the most on the market, and it is substantially again excitation generator, bulky, and fault rate is high, and inefficiency, overload capacity is poor.In view of this, a kind of floor space generating set little, high-power of design is this those skilled in the art's problem demanding prompt solution.

Utility model content

The purpose of this utility model is to solve above-mentioned technical problem, it is provided that a kind of high speed power frequency air-cooled power train in vehicle application generating set, and this generating set volume is little, it is simple to installing, generated output is big.

The technical solution of the utility model is as follows:

A kind of high speed power frequency air-cooled power train in vehicle application generating set, including electromotor with for the driving means driving electromotor to rotate, described driving means is automobile engine, described automobile engine uses automobile rotational speed modulator to control rotating speed, described automobile rotational speed modulator includes the speed probe gathering engine flywheel rotating speed, described speed probe with for collecting speed feedback signal and sending the control circuit module of throttle control signal and electrically connect, control circuit module, alignment circuit module, motor are sequentially connected electrically, and described motor is connected with controlling pull bar.

Further, the middle control controller for generating set unit described in centralized Control is also included.

Further, described automobile engine is blower cooled engine.

Further, described electromotor is that non-salient pole protects formula rare earth permanent-magnetic generator, is axially arranged with through hole, is provided with magnetic shoe in described through hole in the rotor core of described non-salient pole protection formula rare earth permanent-magnetic generator.

The beneficial effects of the utility model: the automobile power automobile engine being used for high speed car is used as the driving power of generating set by this utility model, complicated in order to replacing structure, bulky, the hydraulic turbine that rotating speed is relatively low, steam turbine and diesel engine etc. drive equipment, by the high rotating speed of automobile engine, the excellent results such as high-power is grafted onto on generating set, make generating set complete machine structure compacter, volume is less, also can stable operation under higher rotation speed, electromotor is driven to carry out Electricity Generation, this is that the above-mentioned conventional ADS driving equipment of generating set is incomparable.Meanwhile, using blower cooled engine structure and non-salient pole protection formula rare earth permanent-magnetic generator to reduce machine volume further, it is achieved Large-power High-Speed little torsional toughness operation mode, make generator efficiency higher, fault rate is lower, and can run by long term overloading.

Accompanying drawing explanation

Fig. 1 is this utility model structural representation.

Fig. 2 is automobile rotational speed modulator principle schematic.

Fig. 3 is that non-salient pole protects formula rare-earth permanent magnet generator rotor end face structure schematic diagram.

Element numbers illustrates: engine flywheel 1, speed probe 2, control circuit module 3, alignment circuit module 4, motor 5, control pull bar 6, engine air throttle 7, automobile engine a, electromotor b.

Detailed description of the invention

By particular specific embodiment, embodiment of the present utility model being described below, those skilled in the art can be understood other advantages of the present utility model and effect easily by the content disclosed by this specification.

The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings:

As shown in Figure 1, a kind of high speed power frequency air-cooled power train in vehicle application generating set, including electromotor b with for the driving means driving electromotor to rotate, conventional electric power generation unit typically uses the hydraulic turbine, steam turbine, diesel engine (diesel engine herein and automobile-used Diesel engine performance differ widely) to drive generating, it is bulky, should not run up, rotating speed is less, and generated output is relatively low；And current universal vapour power train in vehicle application (the most common automobile engine, usually petrol engine) have high speed, high-power output, for the most above-mentioned driving means, volume is much smaller, such as the automobile power of a 60KW than the common generator group volume of power little 3/5, it is little just because of automobile power machine volume, so electromotor periphery function (such as noise reduction, automatically control and install additional) can preferably be extended.Additionally, because automobile engine a is more suitable for high-speed cruising, longtime running safety is the highest the most at high speeds.Therefore, compared with conventional electric power generation unit, difference of the present utility model is to take the lead in using high speed car electromotor a as the direct drive unit of electromotor, this automobile engine a is usually used on high speed car, rotating speed, up to 3000 5000r/min, can run up for a long time, drives electromotor b to realize high-power stable electric generation, and volume is little, it is simple to install；In view of automobile engine a small volume, some attached expanded functions just can be set as required on generating set, such as can noise reduction, automatically install or arrange the control device of other reinforced effects additional.After using automobile engine a as the driving means of generating set, correspondingly need to regulate engine speed, to adapt to the power generation needs of generating set；Rotating speed for automobile engine a, the speed probe rotating speed of measuring electromotor corresponding with the signal teeth above flywheel is generally used in practical operation, the height of engine speed, it is related to number and the size of effective engine power of work in unit time number of times, the i.e. effective power of electromotor changes with the difference of rotating speed, and engine speed indicates the size of effective engine power.

The Throttle Opening Control of existing automobile engine a is to control burning mixture flow by maneuvering engine air throttle 7 aperture, thus change rotating speed and the power of electromotor, conventional engines air throttle 7 operating mechanism is by drag-line (stone dead wire) or to control pull bar, one end couples gas pedal (accelerator pedal), other end joint valve interlock plate controls air throttle opening and closing amount, its deviation amplitude of method of the existing rotating speed only controlling electromotor by car running computer is the biggest, the most accurate, it is used for automobile engine a controlled on electromotor to be unable to reach and allow electromotor purpose of stable operation under rated speed (such as 3000r/min).nullTherefore，As shown in Figure 2，Spy have employed a kind of automobile rotational speed modulator to control rotating speed，Described automobile rotational speed modulator includes the speed probe 2 gathering engine flywheel rotating speed，This speed probe 2 is just to the signal teeth above engine flywheel，Described speed probe 2 with for collecting speed feedback signal and sending the control circuit module 3 of throttle control signal and electrically connect，For the rotary speed information collected is delivered in control circuit module 3，This control circuit module 3 is a conventional signal collection、Revertive control current feed circuit plate，One ECU(electronic control unit can be set in the specific implementation in circuit module 3) or PLC，When receiving tach signal，Meeting moment is by this direct information ECU or PLC，This information is processed by ECU or PLC，Export a signal of telecommunication，A control signal is exported after being sent in alignment circuit module 4 carry out accurate operational process by circuit，This alignment circuit module 4 can use the controllor for step-by-step motor can directly buied on the market，This controllor for step-by-step motor is a kind of electronic product that can send uniform pulse signal，After the signal that it sends enters motor 5 driver，The current signal required for motor 5 can be converted into by driver，Motor 5 is driven to operate，Thus regulate the rotating speed of motor 5；Overheated in order to protect motor 5 to be unlikely to big electric current when working, can be selected for a control relay to carry out small area analysis regulation.Motor 5 is connected with above-mentioned control pull bar 6, in traditional throttle electronic control system, use driven by servomotor throttle control pull bar 6 to regulate rotating speed, herein motor and control the connection of pull bar 6 can be same, it is prior art, therefore does not do the narration of concrete attachment structure.

ECU or the PLC process that data signal is passed in control circuit module 3 after collecting engine rotational speed signal from engine flywheel 1 by above-mentioned speed probe 2, and the information conveyance after processing is in the controllor for step-by-step motor in alignment circuit module 4, controllor for step-by-step motor sends uniform pulse signal to the driver of motor by after the signal received calculation process again, driver is converted into the current signal required for motor, drive motor operates, thus drive control pull bar, it is achieved the aperture regulation of engine air throttle 7.

Further, for ease of unified management, centralized Control, spy is provided with one for the middle control controller controlling generating set unit, for controlling to include modules in automobile rotational speed modulator and realizing electromotor start and stop and data record such as shows at the middle control controller of unit, this controls controller i.e. central controller, the main equipment come by agreement in control system, can be used numeral letter control wireless touch screen, numeral to believe according to its control end of site specific and control wired touch screen, control panel, wall dress panel, computer end software etc..

Further, owing to the structure of blower cooled engine is simple relative to water-cooled or combination cooling formula electromotor, volume is the least, for reducing the machine volume of generating set, saves erection space, it is simple to installing, described automobile engine a is blower cooled engine.

Further, traditional excitation generator, bulky, fault rate is high, inefficiency, overload capacity is poor, for avoiding disadvantages mentioned above, special employing non-salient pole protection formula rare earth permanent-magnetic generator, owing to the magnetic property of rare earth permanent-magnetic material is excellent, it is no longer necessary to external energy after magnetizing just can set up the strongest permanent-magnetic field, it is used for substituting the rare earth permanent-magnetic generator not only efficiency made in traditional electrical excitation place high, and simple in construction, reliable, also can accomplish that volume is little, lightweight, can reach the incomparable high-performance of tradition electric excitation generator (such as extra-high effect, ultrahigh-speed, extra-high response speed).As it is shown on figure 3, be provided with three pairs of fan-shaped pylones in the rotor core of described non-salient pole protection formula rare earth permanent-magnetic generator, being equipped with magnetic shoe (magnetic pole) in described through hole, the iron core both sides between three pairs of through holes are additionally provided with the sector notch of ventilating fan heat.The rotor structure of electromotor uses above-mentioned non-salient pole protection, it is applicable to high-speed cruising, safer, and because it is hidden pole type structure, the more stable and uniform of magnetic property produced by rotating pole-piece, electromotor overall performance is more preferable, and power is more stable, simple in construction, promote its production technology improves convenience.Non-salient pole protection formula rare earth permanent-magnetic generator has broken the rule that typical high power electromotor needs high pulling torque to mate; use the little torque mode of Large-power High-Speed; generator efficiency is higher, and volume is less, and generating function carries out 120% overlond running (more than 4 hours) for a long time.

Above-described embodiment only illustrative principle of the present utility model and effect thereof, not for limiting this utility model.Above-described embodiment all can be modified under spirit and the scope of the present utility model or change by any person skilled in the art.Therefore, art has all equivalence modification or changes that usually intellectual is completed under without departing from the spirit disclosed in this utility model and technological thought such as, must be contained by claim of the present utility model.

Claims (4)

1. a high speed power frequency air-cooled power train in vehicle application generating set, including electromotor with for the driving means driving electromotor to rotate, it is characterized in that: described driving means is automobile engine, described automobile engine uses automobile rotational speed modulator to control rotating speed, described automobile rotational speed modulator includes the speed probe gathering engine flywheel rotating speed, described speed probe with for collecting speed feedback signal and sending the control circuit module of throttle control signal and electrically connect, control circuit module, alignment circuit module, motor is sequentially connected electrically, described motor is connected with controlling pull bar.

High speed power frequency air-cooled power train in vehicle application generating set the most according to claim 1, it is characterised in that: also include the middle control controller for centralized Control generating set unit.

High speed power frequency air-cooled power train in vehicle application generating set the most according to claim 1, it is characterised in that: described automobile engine is blower cooled engine.

High speed power frequency air-cooled power train in vehicle application generating set the most according to claim 1; it is characterized in that: described electromotor is that non-salient pole protects formula rare earth permanent-magnetic generator; it is axially arranged with through hole in the rotor core of described non-salient pole protection formula rare earth permanent-magnetic generator, in described through hole, is provided with magnetic shoe.