CN102221463A - Electromechanical coupling characteristic testing device for oil-electric hybrid power system - Google Patents
Electromechanical coupling characteristic testing device for oil-electric hybrid power system Download PDFInfo
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- CN102221463A CN102221463A CN201110079766XA CN201110079766A CN102221463A CN 102221463 A CN102221463 A CN 102221463A CN 201110079766X A CN201110079766X A CN 201110079766XA CN 201110079766 A CN201110079766 A CN 201110079766A CN 102221463 A CN102221463 A CN 102221463A
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- speed sensor
- motor
- electromechanical coupling
- loader
- rotary speed
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Abstract
The invention discloses an electromechanical coupling characteristic testing device for an oil-electric hybrid power system. An output end of a thermal engine is connected with an input end of a first torque rotating speed sensor (2); an output end of the first torque rotating speed sensor (2) is connected with an input end of a motor (3); an output end of the motor (3) is connected with an input end of a second torque rotating speed sensor (4); an output end of the second torque rotating speed sensor (4) is connected with an input end of a loader (5); a signal output end of the first torque rotating speed sensor (2) and a signal output end of the second torque rotating speed sensor (4) are connected with a signal input terminal of a controller (6); and a signal output terminal of the controller (6) is connected with control ends of the thermal engine, the motor (3) and the loader (5). The electromechanical coupling characteristic testing device for the oil-electric hybrid power system can obtain the electromechanical coupling characteristic of a diesel engine and the motor in the oil-electric hybrid power system, and has a simple structure and reliable performance.
Description
Technical field
The present invention relates to a kind of oil electric mixed dynamic system electromechanical coupling characteristics proving installation, particularly relate to the hybrid power system electromechanical coupling characteristics proving installation that a kind of hot machine and motor are formed.
Background technology
In the oil electric mixed dynamic engineering machinery, power system is made up of hot machine (diesel engine or gasoline engine) and motor usually, and the needed pressure oil of hydraulic actuating mechanism drives hydraulic pump jointly by hot machine and motor and produces.The connected mode of diesel engine and motor is coaxial output.The control strategy of motor is: when the needed driving power of hydraulic pump during greater than the output power of diesel engine, actuating motor auxiliary diesel drawn together hydrodynamic press pump is to guarantee that diesel engine work is in the high-efficiency and economic district.In theory, as long as reasonable in design, the theoretical output power and the real output of hot machine and motor should equate.But in fact, because the output power of motor is relevant with its working speed.When the working speed of the working speed of hot machine and motor is inconsistent, just might produce forward between motor and the hot machine drags or oppositely drags, its result be exactly the real output sum of hot machine and motor less than theoretical output power sum, also might cause the abnormal vibration of hot machine main shaft simultaneously.In order to obtain coupling mechanism and the rule between the hot machine and motor in the hybrid power system, be necessary to set up an oil electric mixed dynamic system electromechanical coupling characteristics proving installation.
Summary of the invention
Technical matters to be solved by this invention provides a kind of oil electric mixed dynamic system electromechanical coupling characteristics proving installation that can obtain the electromechanical coupling characteristics of diesel engine and motor in the oil electric mixed dynamic system.
In order to solve the problems of the technologies described above, oil electric mixed dynamic system electromechanical coupling characteristics proving installation provided by the invention, comprise hot machine, motor and loader, the output terminal of described hot machine links to each other with the input end of first torque rotary speed sensor, the output terminal of described first torque rotary speed sensor links to each other with the input end of described motor, the output terminal of described motor links to each other with the input end of second torque rotary speed sensor, the output terminal of described second torque rotary speed sensor links to each other with the input end of described loader, the signal output part of described first torque rotary speed sensor and described second torque rotary speed sensor links to each other with the signal input part of controller, the signal output part of described controller and described hot machine, the control end of motor and loader links to each other.
The input shaft of the output shaft of described hot machine, the output shaft of motor and loader is on same axis.
The output power of loader can be regulated.
Described hot machine is diesel engine or gasoline engine.
Adopt the oil electric mixed dynamic system electromechanical coupling characteristics proving installation of technique scheme, the startup of hot mechanical, electrical motivation and stopping by controller control, the output power of loader is controlled by controller.Controller can be gathered the tach signal and the dtc signal of first torque rotary speed sensor and the output of second torque rotary speed sensor.Start hot machine, close motor by controller, after the output power for the treatment of hot machine is stabilized in PD, controller start-up loading device.Controller the output power of loader be fixed to a certain setting value PL (PL＞PD), thus simultaneously, the controller actuating motor, the theoretical output power of control motor is PM=PL-PD.Controller is by the rotating speed of measurement second torque rotary speed sensor and the real output PR of moment of torsion acquisition hybrid power system.By comparing the coupling efficiency that PL and PR can obtain hybrid power system.Rotating speed and the moment of torsion real output Pd that obtain hot machine of controller by measuring first torque rotary speed sensor is by relatively PD and Pd can obtain the coupling result of motor to hot machine output power.The present invention can realize the test of diesel engine and motorcoupling characteristic in the oil electric mixed dynamic system, and then can provide foundation for oil electric mixed dynamic system design.
In sum, the present invention is a kind of electromechanical coupling characteristics and oil electric mixed dynamic system electromechanical coupling characteristics proving installation simple in structure, dependable performance that can obtain diesel engine and motor in the oil electric mixed dynamic system.
Description of drawings
Fig. 1 is an oil electric mixed dynamic system electromechanical coupling characteristics proving installation synoptic diagram of the present invention.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1, the output terminal of diesel engine 1 links to each other with the input end of first torque rotary speed sensor 2, the output terminal of first torque rotary speed sensor 2 links to each other with the input end of motor 3, the output terminal of motor 3 links to each other with the input end of second torque rotary speed sensor 4, the output terminal of second torque rotary speed sensor 4 links to each other with the input end of loader 5, the output power of loader 5 can be regulated, the output shaft of diesel engine 1, the input shaft of the output shaft of motor 3 and loader 5 signal output part of first torque rotary speed sensor 2 and second torque rotary speed sensor 4 on same axis links to each other the signal output part of controller 6 and diesel engine 1 with the signal input part of controller 6, motor 3 links to each other with the control end of loader 5.
Referring to Fig. 1, oil electric mixed dynamic system electromechanical coupling characteristics method of testing is as follows: start diesel engines 1, close motor 3 by controller 6, and after the output power for the treatment of diesel engine 1 is stabilized in PD, controller 6 start-up loading devices 5.Controller 6 the output power of loader 5 be fixed to a certain setting value PL (PL＞PD), thus simultaneously, controller 6 actuating motors 3, the theoretical output power of control motor 3 is PM=PL-PD.Controller 6 is by the rotating speed of measurement second torque rotary speed sensor 4 and the real output PR of moment of torsion acquisition hybrid power system.By comparing the coupling efficiency that PL and PR can obtain hybrid power system.Controller 6 is by the rotating speed of measurement first torque rotary speed sensor 2 and the real output Pd of moment of torsion acquisition diesel engine 1, by comparing the coupling result that PD and Pd can obtain 3 pairs of diesel engine 1 output powers of motor.
Can replace diesel engine 1 with gasoline engine.
Claims (4)
1. oil electric mixed dynamic system electromechanical coupling characteristics proving installation, comprise hot machine, motor (3) and loader (5), it is characterized in that: the output terminal of described hot machine links to each other with the input end of first torque rotary speed sensor (2), the output terminal of described first torque rotary speed sensor (2) links to each other with the input end of described motor (3), the output terminal of described motor (3) links to each other with the input end of second torque rotary speed sensor (4), the output terminal of described second torque rotary speed sensor (4) links to each other with the input end of described loader (5), the signal output part of described first torque rotary speed sensor (2) and described second torque rotary speed sensor (4) links to each other with the signal input part of controller (6), the signal output part of described controller (6) and described hot machine, motor (3) links to each other with the control end of loader (5).
2. oil electric mixed dynamic system electromechanical coupling characteristics proving installation according to claim 1 is characterized in that: the output shaft of the output shaft of described hot machine, motor (3) and the input shaft of loader (5) are on same axis.
3. oil electric mixed dynamic system electromechanical coupling characteristics proving installation according to claim 1 and 2 is characterized in that: the output power of described loader (5) can be regulated.
4. oil electric mixed dynamic system electromechanical coupling characteristics proving installation according to claim 1 and 2 is characterized in that: described hot machine is diesel engine (1) or gasoline engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110079766XA CN102221463A (en) | 2011-03-31 | 2011-03-31 | Electromechanical coupling characteristic testing device for oil-electric hybrid power system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110079766XA CN102221463A (en) | 2011-03-31 | 2011-03-31 | Electromechanical coupling characteristic testing device for oil-electric hybrid power system |
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| CN201110079766XA Pending CN102221463A (en) | 2011-03-31 | 2011-03-31 | Electromechanical coupling characteristic testing device for oil-electric hybrid power system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1601792A (en) * | 2004-10-20 | 2005-03-30 | 清华大学 | Test and research system for fuel cell hybrid power system |
| CN1865894A (en) * | 2005-05-18 | 2006-11-22 | 奇瑞汽车有限公司 | Power assembly experimental apparatus for hybrid power automobile |
| DE102007040106A1 (en) * | 2007-08-24 | 2009-02-26 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Mobile torque calibration device for e.g. engine dynamometer, has sensor subjected with reference torque sensor by calibration torque, where electric motor is arranged on frame of carriage |
| CN101896390A (en) * | 2007-12-13 | 2010-11-24 | 腓特烈斯港齿轮工厂股份公司 | Method and device for controlling a creep mode of a vehicle comprising a hybrid drive |
-
2011
- 2011-03-31 CN CN201110079766XA patent/CN102221463A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1601792A (en) * | 2004-10-20 | 2005-03-30 | 清华大学 | Test and research system for fuel cell hybrid power system |
| CN1865894A (en) * | 2005-05-18 | 2006-11-22 | 奇瑞汽车有限公司 | Power assembly experimental apparatus for hybrid power automobile |
| DE102007040106A1 (en) * | 2007-08-24 | 2009-02-26 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Mobile torque calibration device for e.g. engine dynamometer, has sensor subjected with reference torque sensor by calibration torque, where electric motor is arranged on frame of carriage |
| CN101896390A (en) * | 2007-12-13 | 2010-11-24 | 腓特烈斯港齿轮工厂股份公司 | Method and device for controlling a creep mode of a vehicle comprising a hybrid drive |
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Application publication date: 20111019 |