CN109921702A - Power takeoff generation unit device - Google Patents
Power takeoff generation unit device Download PDFInfo
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- CN109921702A CN109921702A CN201711327652.6A CN201711327652A CN109921702A CN 109921702 A CN109921702 A CN 109921702A CN 201711327652 A CN201711327652 A CN 201711327652A CN 109921702 A CN109921702 A CN 109921702A
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Abstract
The embodiment of the present invention provides a kind of power takeoff generation unit device, is related to power takeoff generation unit quality control technology, is able to solve under driving cycle, and power takeoff generation unit device exports the uncontrollable problem of power supply quality.The device includes vehicle-mounted engine in situ, electrical excitation power takeoff generator, vehicle-mounted chassis battery and engine controller;When automobile is in driving cycle, the revolving speed of vehicle-mounted engine in situ is variation, with raising and reducing for engine speed, the output voltage of power takeoff generator is also increased and is reduced, contactor K1 and K2 closure, harmonic winding S1 and S2 be connected to chassis battery voltage as the reference voltage the error between power takeoff generator output voltage by PID adjust circuit generate adjustment signal, via pwm circuit formed control signal, adjust exciting current, stable generator output voltage closed-loop control.
Description
Technical field
The present invention relates to power takeoff generation unit quality control technical field more particularly to a kind of power takeoff generation unit devices.
Background technique
With the development of power takeoff generation unit technology in recent years, power takeoff generation unit unit has been widely applied in special vehicle,
Non-renewable energy as special vehicle.But current vehicle-mounted power takeoff generation unit technology is only applied under parking operating condition, under the operating condition,
Due to on-board engine invariablenes turning speed, thus power takeoff generation unit unit output voltage quality meets standard requirement.But it is expert at
It sails under operating condition, since the revolving speed of on-board engine cannot achieve constant control, thus causes power takeoff generation unit unit under the operating condition defeated
Voltage changes with the variation of on-board engine revolving speed out, and quality is unable to satisfy standard requirement.In order to solve above-mentioned ask
Topic, it is necessary to design a reasonable control method, to meet under driving cycle, improve power takeoff generation unit device and export power supply quality.
Summary of the invention
It is an object of the invention to overcome the shortage of prior art, a kind of power takeoff generation unit device is provided, traveling is able to solve
Under operating condition, power takeoff generation unit device exports the uncontrollable problem of power supply quality.
Technical solution of the invention:
A kind of power takeoff generation unit device, the device include vehicle-mounted engine in situ, electrical excitation power takeoff generator, vehicle-mounted chassis storage
Battery and engine controller;
Vehicle-mounted engine in situ provides mechanical energy by gearbox power taking mouth, and mechanical energy is transmitted to power taking by transmission shaft
Generator, power takeoff generator convert mechanical energy into electric energy;
The interface of engine controller respectively include: main circuit voltage output line U, main circuit voltage output line V, major loop
Voltage output line W, main circuit voltage output line N, harmonic winding S1, harmonic winding S2, DC power anode, DC power supply are negative
Pole, excitation winding E1, excitation winding E2, wherein DC power anode is connected to the anode of vehicle-mounted chassis battery, DC power supply
Cathode is connected to the cathode of vehicle-mounted chassis battery, and the one end harmonic winding S1 is connected to the end power takeoff generator harmonic winding S1, separately
One end is connected to DC power anode by contactor K1, and the one end harmonic winding S2 is connected to the end power takeoff generator harmonic winding S2,
The other end is connected to DC power cathode by contactor K2, and one end of main circuit voltage output line U, V, W, N are connected to power taking hair
Output U, V, W, N of motor, the other end is connected to the input terminal of twin-stage type inverter, excitation winding E1 is connected to power takeoff generation unit
The excitation winding E1 of machine, excitation winding E2 are connected to the excitation winding E2 of power takeoff generator;
When automobile is in driving cycle, the revolving speed of vehicle-mounted engine in situ is variation, with the raising of engine speed
And reduction, the output voltage of power takeoff generator are also increased and are reduced, contactor K1 and K2 closure, harmonic winding S1 and S2 connect
Being connected to chassis battery voltage, the error between power takeoff generator output voltage is produced by PID adjusting circuit as the reference voltage
Raw adjustment signal forms control signal via pwm circuit, adjusts exciting current, stable generator output voltage closed-loop control.
Further alternative, which further includes twin-stage type inverter, and output voltage is using twin-stage type inverter
Carry out pressure stabilizing.
A kind of power takeoff generation unit device provided in an embodiment of the present invention, when automobile is in driving cycle, vehicle-mounted engine in situ
Revolving speed be variation, with raising and reducing for engine speed, the output voltage of power takeoff generator is also increased and is dropped
Low, contactor K1 and K2 closure, harmonic winding S1 and S2 are connected to chassis battery voltage as the reference voltage and power takeoff generation unit
Error between machine output voltage adjusts circuit by PID and generates adjustment signal, forms control signal via pwm circuit, finally
Reach adjustment exciting current, stable generator output voltage closed-loop control.Power takeoff generator can be expert at by this control method
Sail under operating condition that output voltage control is within the scope of 160V~400V, power takeoff generator output voltage is using twin-stage type inverter
After carrying out pressure stabilizing, high quality power supply is exported.
Detailed description of the invention
Included attached drawing is used to provide to be further understood from the embodiment of the present invention, and which constitute one of specification
Point, for illustrating the embodiment of the present invention, and come together to illustrate the principle of the present invention with verbal description.It should be evident that below
Attached drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art, is not paying creation
Property labour under the premise of, be also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of power takeoff generation unit apparatus structure schematic diagram provided in an embodiment of the present invention.
Specific embodiment
Specific embodiments of the present invention are described in detail below in conjunction with attached drawing.In the following description, for solution
Purpose and not restrictive is released, elaborates detail, to help to be apparent from the present invention.However, to those skilled in the art
It is readily apparent that the present invention can also be practiced in the other embodiments departing from these details for member.
It should be noted that only showing in the accompanying drawings in order to avoid having obscured the present invention because of unnecessary details
Gone out with closely related device structure and/or processing step according to the solution of the present invention, and be omitted with relationship of the present invention not
Big other details.
The embodiment of the present invention provides a kind of power takeoff generation unit device, is formed using novel control method and framework, solves back
The problem of power takeoff generation unit power supply quality of raising on the march mentioned in scape technology.
Referring to Fig. 1, the apparatus structure and the course of work are as follows:
Power takeoff generation unit device includes vehicle-mounted engine in situ, electrical excitation power takeoff generator, vehicle-mounted chassis starting storage battery
(24V), engine controller, twin-stage type inverter, etc. parts.
Vehicle-mounted engine in situ provides mechanical energy by gearbox power taking mouth, and mechanical energy is transmitted to power taking by transmission shaft
Generator, power takeoff generator convert mechanical energy into electric energy.The interface of engine controller respectively include: main circuit voltage output
Line U, main circuit voltage output line V, main circuit voltage output line W, main circuit voltage output line N, harmonic winding S1, harmonic winding
S2, DC power anode, DC power cathode, excitation winding E1, excitation winding E2.
Wherein DC power anode is connected to the anode of vehicle-mounted chassis battery, and DC power cathode is connected to vehicle-mounted chassis
The cathode of battery, the one end harmonic winding S1 are connected to the end power takeoff generator harmonic winding S1, and the other end is connect by contactor K1
To DC power anode, the one end harmonic winding S2 is connected to the end power takeoff generator harmonic winding S2, and the other end passes through contactor K2
It is connected to DC power cathode, one end of main circuit voltage output line U, V, W, N are connected to output U, V, W, N of power takeoff generator,
The other end is connected to the input terminal of twin-stage type inverter, excitation winding E1 is connected to the excitation winding E1 of power takeoff generator, encourages
Magnetic winding E2 is connected to the excitation winding E2 of power takeoff generator.
When automobile is in parking operating condition, vehicle-mounted chassis generator speed is stablized, and power takeoff generator output voltage is also relatively more steady
It is fixed.Circuit is adjusted by PID by error of the harmonic winding voltage as the reference voltage between power takeoff generator output voltage
Adjustment signal is generated, control signal is formed via pwm circuit, is finally reached adjustment exciting current, stable generator output voltage
Closed-loop control.
When automobile is in driving cycle, the revolving speed of vehicle-mounted engine in situ is variation, with the raising of engine speed
And reduction, the output voltage of power takeoff generator are also increased and are reduced, contactor K1 and K2 closure, harmonic winding S1 and S2 connect
Being connected to chassis battery voltage, the error between power takeoff generator output voltage is produced by PID adjusting circuit as the reference voltage
Raw adjustment signal forms control signal via pwm circuit, is finally reached adjustment exciting current, stable generator output voltage closes
Ring control.
A kind of power takeoff generation unit device provided in this embodiment considers the revolving speed of vehicle-mounted engine in situ when automobile running working condition
Be variation, by this control method can by power takeoff generator under driving cycle output voltage control in 160V~400V range
It is interior, after power takeoff generator output voltage carries out pressure stabilizing using twin-stage type inverter, export high quality power supply.
For the ease of reader's understanding, below by specific example to the composition of above-mentioned power takeoff generation unit device and working condition into
Row explanation:
As shown in Fig. 1, power takeoff generation unit device includes power takeoff generator, engine controller, twin-stage type inverter, vehicle
Chassis battery composition is carried, wherein includes DC relay K1/K2/K3/K4, PID regulator, PWM inside engine controller
The parts such as controller, one-way SCR.
Three-phase input voltage signal U, V, W, N of engine controller U7 are connected to U, V, W, N of power takeoff generator U1;It is humorous
Wave winding signal S1, S2 are connected to the end S1 and S2 of power takeoff generator U1;Excitation winding signal E1, E2 are connected to power takeoff generator
The end E1 and E2 of group U1;Vehicle-mounted chassis battery interface X1 is connected on the battery U2 of chassis;State control interface X2 is connected to
In host computer;The three-phase output voltage of engine controller U7 is signally attached in twin-stage type inverter U6;Twin-stage type inversion
Power supply U6 exports high-quality voltage.Inside engine controller by the three-phase voltage signal of input after voltage sensor acquires
It is signally attached to PID regulator U3;The output of PID regulator is connected to PWM controller U4;PWM controller U4 is connected to controllably
The control terminal of silicon U5;Silicon-controlled U5 is connected on the excitation winding E1 and E2 of power takeoff generation unit unit U1.One end of contactor K1 connects
The other end at the end harmonic winding S1, contactor K1 that are connected to engine controller U7 is connected to the input terminal of PID regulator U3;It connects
One end of tentaculum K2 is connected to the end harmonic winding S2 of engine controller U7, the other end of contactor K2 is connected to PID adjusting
The input terminal of device U3;One end of contactor K3 is connected to the "+" pole of chassis battery, the other end of contactor K3 is connected to PID
The input terminal of adjuster U3;One end of contactor K4 is connected to the "-" pole of chassis battery, the other end of contactor K4 is connected to
The input terminal of PID regulator U3;The control of contactor K1~K4 is signally attached to X2 march/parking control signaling interface.
The operating condition of power takeoff generator is divided into two kinds of operating conditions of parking and march, and when parking operating condition, engine controller U2 is received
The parking of host computer controls signal, is closed contactor K1 and K2, due under parking operating condition, on-board engine invariablenes turning speed, and power taking
The output voltage and harmonic winding voltage of generator are constant, and harmonic winding signal is sent to PID by contactor K1 and K2 and adjusts
Control signal driving is generated via PWM controller U4 and unidirectionally may be used with generator output acquisition signal, generation adjustment signal in device U3
The turn-on and turn-off for controlling silicon, are finally reached adjustment exciting current, the purpose of stable generator output voltage closed-loop control.
Power takeoff generator is expert under army's operating condition, and the march that engine controller U2 receives host computer controls signal, and closure connects
Tentaculum K3 and K4, are expert under army's operating condition, on-board engine rotation speed change, the output voltage and harmonic winding voltage of power takeoff generator
Change in a big way, the vehicle-mounted chassis battery voltage of harmonic winding signal acquisition is sent to PID regulator and generator output
Voltage acquisition signal is controlled, and adjustment signal is generated, and generates control signal driving one-way SCR via PWM controller U4
Turn-on and turn-off are finally reached adjustment exciting current, the purpose of stable generator output voltage closed-loop control.Pass through such control
After method, minimum obtains 3~4 times when power takeoff generator output voltage peak, and power takeoff generator output voltage is input to double again
In grade type inverter, the control of voltage stabilization and frequency stabilization rate, final output high-quality voltage are carried out.
As above it describes for a kind of embodiment and/or the feature that shows can be in a manner of same or similar at one or more
It is used in a number of other embodiments, and/or combines or substitute the feature in other embodiments with the feature in other embodiments
It uses.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when using herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, one integral piece, step, component or combinations thereof.
The many features and advantage of these embodiments are clear according to the detailed description, therefore appended claims are intended to
Cover all these feature and advantage of these embodiments fallen into its true spirit and range.Further, since this field
Technical staff is readily apparent that many modifications and changes, therefore is not meant to for the embodiment of the present invention to be limited to illustrated and description essence
Really structurally and operationally, but all suitable modifications and the equivalent fallen within the scope of its can be covered.
Unspecified part of the present invention is known to the skilled person technology.
Claims (2)
1. a kind of power takeoff generation unit device, which is characterized in that the device include vehicle-mounted engine in situ, electrical excitation power takeoff generator,
Vehicle-mounted chassis battery and engine controller;
Vehicle-mounted engine in situ provides mechanical energy by gearbox power taking mouth, and mechanical energy is transmitted to power takeoff generation unit by transmission shaft
Machine, power takeoff generator convert mechanical energy into electric energy;
The interface of engine controller respectively include: main circuit voltage output line U, main circuit voltage output line V, main circuit voltage
Output line W, main circuit voltage output line N, harmonic winding S1, harmonic winding S2, DC power anode, DC power cathode are encouraged
Magnetic winding E1, excitation winding E2, wherein DC power anode is connected to the anode of vehicle-mounted chassis battery, DC power cathode
It is connected to the cathode of vehicle-mounted chassis battery, the one end harmonic winding S1 is connected to the end power takeoff generator harmonic winding S1, the other end
It is connected to DC power anode by contactor K1, the one end harmonic winding S2 is connected to the end power takeoff generator harmonic winding S2, another
End is connected to DC power cathode by contactor K2, and one end of main circuit voltage output line U, V, W, N are connected to power takeoff generator
Output U, V, W, N, the other end is connected to the input terminal of twin-stage type inverter, excitation winding E1 is connected to power takeoff generator
Excitation winding E1, excitation winding E2 are connected to the excitation winding E2 of power takeoff generator;
When automobile is in driving cycle, the revolving speed of vehicle-mounted engine in situ is variation, with the raising and drop of engine speed
Low, the output voltage of power takeoff generator is also increased and is reduced, and contactor K1 and K2 closure, harmonic winding S1 and S2 are connected to
The error between power takeoff generator output voltage passes through PID adjusting circuit generation tune to chassis battery voltage as the reference voltage
Signal is saved, control signal is formed via pwm circuit, adjusts exciting current, stable generator output voltage closed-loop control.
2. the apparatus according to claim 1, which is characterized in that the device further includes ambipolar inverter, output voltage
Pressure stabilizing is carried out using twin-stage type inverter.
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CN201711327652.6A CN109921702A (en) | 2017-12-13 | 2017-12-13 | Power takeoff generation unit device |
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CN201711327652.6A CN109921702A (en) | 2017-12-13 | 2017-12-13 | Power takeoff generation unit device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110896294A (en) * | 2019-10-14 | 2020-03-20 | 北京精密机电控制设备研究所 | Power take-off vehicle-mounted power supply realized by power electronic technology |
CN114687870A (en) * | 2022-03-03 | 2022-07-01 | 沈阳航天新光集团有限公司 | Vehicle-mounted power take-off generator set control system and control method |
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