CN203732689U - System for testing power system electrical components of mild hybrid electric vehicle - Google Patents
System for testing power system electrical components of mild hybrid electric vehicle Download PDFInfo
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- CN203732689U CN203732689U CN201420093598.9U CN201420093598U CN203732689U CN 203732689 U CN203732689 U CN 203732689U CN 201420093598 U CN201420093598 U CN 201420093598U CN 203732689 U CN203732689 U CN 203732689U
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Abstract
The utility model discloses a system for testing power system electrical components of a mild hybrid electric vehicle. The system comprises a BSG motor module, a dynamometer module, a power supply module, an auxiliary electrical system load simulation module and an upper computer module, wherein the BSG motor module comprises a BSG motor and a BSG motor controller; the dynamometer module comprises a dynamometer, a measuring and control instrument, a rotating speed and torque sensor and a frequency converter or an inverter; the power supply module comprises a power storage battery, a battery management system, a program-controlled power supply and a program-controlled power controller; and the auxiliary electrical system load simulation module comprises a DC/DC converter, an auxiliary electrical system load and the like. The system disclosed by the utility model adopts a principle of semi-physical simulation, the dynamometer simulates an engine to carry out a test on the BSG motor module, a life test for the electrical component of a mild hybrid power system in various operating conditions that the BSG motor starts the engine, the engine drives the BSG motor to generate power, the battery provides power independently to drive a load during regenerative braking or idle parking and the like is realized, the test cost can be reduced, the period for testing the vehicle performance is shortened, the speed of product development is improved.
Description
Technical field
The utility model belongs to Weak hybrid power automobile experimental test technical field, is specifically related to a kind of test macro of Weak mixed power automobile power system electric component.
Background technology
The maximum difference of Weak hybrid power automobile and traditional fuel-engined vehicle is in the time that vehicle meets halt condition; engine oil-break is shut down; and in the time that accelerator pedal is stepped on again; BSG motor or intelligent start-stop motor just can automatic actuation engines; thereby reduce oil consumption and the discharge in vehicle idling stage; improve the starting performance of engine, reach the object of energy-conserving and environment-protective.Therefore,, compared with the research and development of orthodox car, the research and development of Weak hybrid power automobile and test mainly concentrate on the aspects such as electric motor and controller, electrokinetic cell, braking energy recovery, kinematic train and car load coupling.
Compared with orthodox car, on Weak hybrid power automobile, the requirement of power system critical component is very high, for example motor, battery and belt will be by the durability tests of 500,000 times and 240,000 kilometers, if adopt traditional testing method completely, can cause product development cycle and cost very high, therefore in car load and parts Development and Production process, be badly in need of a kind of simulated test facility and improve tempo of development, reduce cost of development.
The Chinese invention patent that publication number is CN101261190 at present discloses a kind of hybrid power automobile controller life-span test system and method for testing, in this test macro, BSG controller is placed in the environment of high humility and high low-temperature circulating and accepts life test, and the supply voltage of BSG controller also will carry out circular wave in a very wide scope.Like this, by relatively test of short time of BSG controller, can estimate the potential mission life of BSG controller.But this patent is only tested the controller life-span in design verification and production Qualify Phase, cannot carry out control system performance test, cannot be embodied as Control System Design provides design considerations and carries out design verification, to reach the object that reduces design risk.
In addition, publication number is that the Chinese invention patent of CN102023635A discloses a kind of micro hybrid vehicle controller performance method of testing and system, the signal that it gathers the electric signal of BSG controller and programmable power supply and be applied to the resistive torque of BSG motor by hydraulic means with computer control, tests BSG motor characteristic.This invention is convenient in the R&D process of micro hybrid vehicle, the technical scheme of research and development be tested, and being embodied as Control System Design provides design considerations and carry out design verification, to reach the object that reduces design risk.But this hydraulic loading mechanism control system complexity, HYDRAULIC CONTROL SYSTEM precision is limited, resistive torque reaction is insensitive, therefore this invention is applicable to adopting two cover systems to simulate respectively BSG electric system generating operation mode and electronic operating mode, but for a set of BSG electric system, realize circulation between electronic starting and feedback generating and change more difficult.
Utility model content
Fundamental purpose of the present utility model is that the shortcoming that overcomes prior art is with not enough, a kind of test macro of Weak mixed power automobile power system electric component is provided, not fuel consumption of this system, not emission, has advantages of that cost is low, energy-conserving and environment-protective, according to the principle of work of mild hybrid power system and critical component and feature, by simulated engine working condition, carry out the performance test of BSG electric system and test, can shorten the test period of vehicle performance, improve the speed of product development.
The purpose of this utility model realizes by following technical scheme: a kind of test macro of Weak mixed power automobile power system electric component, comprise BSG motor module, dynamometer machine module, electrical source of power module and upper computer module, wherein BSG motor module, dynamometer machine module, electrical source of power module are carried out communication by data line and upper computer module respectively; Described BSG motor module comprises BSG motor and BSG electric machine controller; Described dynamometer machine module comprises dynamometer machine and measurement and control instrument, the belt wheel of BSG motor one end is connected with the belt wheel of dynamometer machine output shaft by driving belt, measurement and control instrument is for the mode of operation of dynamometer machine is controlled, and dynamometer machine carries out experimental test for simulated engine to BSG motor module; Described electrical source of power module comprises power accumulator, battery management system, is used to test macro to power; Described upper computer module, for receiving the running parameter that each module transmits, is processed parameter, then exports steering order by data line to each module.The utility model utilizes dynamometer machine simulated engine to carry out experimental test to BSG motor module, do not need BSG motor to be arranged in actual engine, thereby avoid in experimental test process, producing a large amount of fuel consumes and toxic emission, realize the object of energy-conserving and environment-protective.
Preferably, described test macro also comprises attached electrical system loads analog module, this module comprises DC/DC transducer and attached electrical system loads, attached electrical system loads is connected with electrical source of power module by DC/DC transducer, while being used for simulating idling parking by the attached electrical system loads working condition of electrical source of power module for power supply.
Preferably, described BSG motor module, dynamometer machine module, electrical source of power module, attached electrical system loads analog module all carry out communication by CAN bus and upper computer module.Thereby make co-ordination between each module, greatly reduce the quantity of rat tail, avoid signal to disturb the impact on test result, make experimental test result more accurate.Certainly, in actual applications, each module also can be passed through as required the existing connected mode such as RS232, RS485, LIN line or rigid line and connect host computer.
Preferably, described electrical source of power module also comprises programmable power supply and programmable power supply controller, and power accumulator is connected with programmable power supply by the mode of common DC bus; Described programmable power supply controller is controlled for output voltage, electric current to programmable power supply, the power accumulator of simulation different size.In test process, program control electrical source of power and power accumulator all can be used as the power supply of test macro.This function is only being tested for BSG motor, and tested each BSG motor operating voltage specification is very useful when different, because do not need the expense of flower great number to buy power accumulator and the battery management system of dimension.
Preferably, described dynamometer machine is electric dynamometer, is connected on electrical network by frequency converter or inverter.At dynamometer machine, during by BSG electric motor starting, when dynamometer machine is operated in generating state, the electricity of generation is feedback grid after frequency converter or inverter conversion.In the time that dynamometer machine drives BSG electric power generation, dynamometer machine is operated in motoring condition, and dynamometer machine is powered by AC network.
Further, described dynamometer machine module also comprises a torque and speed sensors, the rotating speed inputing or outputing for Real-Time Monitoring dynamometer machine and torque.
Compared with prior art, tool has the following advantages and beneficial effect the utility model:
1, in the utility model device, utilize dynamometer machine simulated engine to carry out experimental test to BSG motor module, do not need BSG motor to be arranged in actual engine, thereby avoid in experimental test process, producing a large amount of fuel consumes and toxic emission, improved experimental enviroment.And prior art is assembled to BSG motor on engine and carries out experimental test, cause fuel consume and exhaust emission problem.
2, in the utility model, upper computer module is connected with dynamometer machine module, BSG motor module, electrical source of power module by CAN bus, make co-ordination between each module, greatly reduced the quantity of rat tail simultaneously, and then avoid signal to disturb the impact on test result, experimental test result is more accurate.Prior art or directly adopt wire to connect, or adopt multiple bus system to connect, system wire harness quantity is many, serious interference.
3, in the utility model, adopt programmable power supply and controller thereof, power accumulator and management system thereof as electrical source of power module, wherein programmable power supply can meet the experiment test demand of the BSG motor of different operating voltage specification, programmable power supply adopts the mode of common DC bus to be connected with power accumulator, by disconnecting the discharge switch of programmable power supply, the energy discharging while utilizing Battery recycling BSG electric power generation, reclaim thereby realize energy, reach energy-conservation effect.Prior art or only have programmable power supply, thus can not effectively reclaim the energy of BSG motor, can not carry out the matching test of power accumulator and BSG motor; Or only dynamic accumulator, thereby can not meet the test need for electricity of the BSG motor and controller of different operating voltage specification.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model device.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment 1
As shown in Figure 1, a kind of test macro of Weak mixed power automobile power system electric component comprises (1) BSG motor module, comprises BSG motor and BSG electric machine controller; (2) dynamometer machine module, comprises electric dynamometer, frequency converter/inverter, measurement and control instrument and torque and speed sensors.(3) electrical source of power module, comprises power accumulator, battery management system, programmable power supply and programmable power supply controller.(4) attached electrical system loads analog module, comprises DC/DC transducer and electric air-conditioning compressor (attached electrical system loads) etc.(5) upper computer module, for carrying out data acquisition, data processing, control output and showing output.
Wherein, BSG motor module, dynamometer machine module, electrical source of power module are carried out communication by CAN bus and upper computer module respectively.The belt wheel of BSG motor one end is connected with the belt wheel of dynamometer machine output shaft by driving belt, measurement and control instrument is for controlling the mode of operation of dynamometer machine, and mode of operation described here comprises positive rotary-die type or reversing mode, permanent torque mode or permanent rotating speed pattern, starts and stop.Dynamometer machine carries out experimental test for simulated engine to BSG motor module.Dynamometer machine is electric dynamometer, is connected on electrical network by frequency converter, powered by AC network, or the electricity feedback grid after inverter converts producing when dynamometer machine is operated in to generating state.Dynamometer machine module also comprises a torque and speed sensors, the rotating speed inputing or outputing for Real-Time Monitoring dynamometer machine and moment of torsion.
Described electrical source of power module is used to test macro to power.Power accumulator is connected with programmable power supply by the mode of common DC bus; Described programmable power supply controller is controlled for output voltage, electric current to programmable power supply, the power accumulator of simulation different size.In test process, program control electrical source of power and power accumulator all can be used as the power supply of test macro.Described programmable power supply is interior with discharge resistance and discharge control switch, upper computer module is obtained the switching of discharge resistance in the switching, programmable power supply of the duty of programmable power supply, the voltage and current that programmable power supply is set, programmable power supply by programmable power supply controller, host computer obtains the duty of power accumulator by battery management system, what power accumulator was set discharges and recharges end condition, voltage limit, electric current limit and temperature limit, opens and closes the discharge circuit of battery; In the time adopting programmable power supply as the power supply of BSG motor, closed discharge control switch, BSG machine operation, in the time of power generation mode, discharges electric energy by discharge resistance; In the time adopting programmable power supply and power accumulator jointly as power supply, disconnect discharge control switch, BSG machine operation is in the time of power generation mode, and the electric weight that sends is reclaimed by power accumulator.Thereby not only can effectively reclaim the energy of BSG motor, can also meet the test need for electricity of the BSG motor and controller of different operating voltage specification, realize the object whether inspection BSG motor module mates with electrical source of power module.
Method of testing based on above-mentioned test macro in the present embodiment is as follows: dynamometer machine simulated engine carries out experimental test to BSG motor module, electrical source of power module is that test macro is powered, upper computer module by data line by the rotating speed of target of default dynamometer machine, target torque, target load sends to measurement and control instrument, measurement and control instrument is controlled the mode of operation of dynamometer machine, the belt wheel of dynamometer machine output shaft drives the belt wheel of BSG motor one end to rotate by driving belt, thereby realize BSG electric motor starting engine, dynamometer machine simulated engine drives BSG electric power generation, regenerative braking, the test that when idling is stopped, battery supplies separately electric drive air-conditioning equipment operating mode.
Above-described embodiment is preferably embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (6)
1. the test macro of a Weak mixed power automobile power system electric component, it is characterized in that, comprise BSG motor module, dynamometer machine module, electrical source of power module and upper computer module, wherein BSG motor module, dynamometer machine module, electrical source of power module are carried out communication by data line and upper computer module respectively; Described BSG motor module comprises BSG motor and BSG electric machine controller; Described dynamometer machine module comprises dynamometer machine and measurement and control instrument, the belt wheel of BSG motor one end is connected with the belt wheel of dynamometer machine output shaft by driving belt, measurement and control instrument is for the mode of operation of dynamometer machine is controlled, and dynamometer machine carries out experimental test for simulated engine to BSG motor module; Described electrical source of power module comprises power accumulator, battery management system, is used to test macro to power; Described upper computer module, for receiving the running parameter that each module transmits, is processed parameter, then exports steering order by data line to each module.
2. the test macro of Weak mixed power automobile power system electric component according to claim 1, it is characterized in that, described test macro also comprises attached electrical system loads analog module, this module comprises DC/DC transducer and attached electrical system loads, and attached electrical system loads is connected with electrical source of power module by DC/DC transducer.
3. the test macro of Weak mixed power automobile power system electric component according to claim 1, it is characterized in that, described electrical source of power module also comprises programmable power supply and programmable power supply controller, and power accumulator is connected with programmable power supply by the mode of common DC bus; Described programmable power supply controller is controlled for output voltage, electric current to programmable power supply, the power accumulator of simulation different size.
4. the test macro of Weak mixed power automobile power system electric component according to claim 2, it is characterized in that, described BSG motor module, dynamometer machine module, electrical source of power module, attached electrical system loads analog module all carry out communication by CAN bus and upper computer module.
5. the test macro of Weak mixed power automobile power system electric component according to claim 1, is characterized in that, described dynamometer machine is electric dynamometer, is connected on electrical network by frequency converter or inverter.
6. the test macro of Weak mixed power automobile power system electric component according to claim 1, is characterized in that, described dynamometer machine module also comprises a torque and speed sensors, the rotating speed inputing or outputing for Real-Time Monitoring dynamometer machine and torque.
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Cited By (10)
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CN103809120A (en) * | 2014-03-03 | 2014-05-21 | 广东机电职业技术学院 | Testing system and method for electric part of power system for weak hybrid electric vehicle |
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CN108233820A (en) * | 2016-12-16 | 2018-06-29 | 上海电驱动股份有限公司 | A kind of BSG electric machine controllers integrated electrical module |
CN108438250A (en) * | 2018-04-16 | 2018-08-24 | 中电科芜湖通用航空产业技术研究院有限公司 | Serial mixed power aircraft power system testboard bay |
CN109031120A (en) * | 2018-07-11 | 2018-12-18 | 安徽江淮汽车集团股份有限公司 | A kind of BSG motor monomer method for testing performance |
CN110927573A (en) * | 2019-11-29 | 2020-03-27 | 安徽江淮汽车集团股份有限公司 | Hybrid power engine debugging method, device, equipment and storage medium |
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CN103809120B (en) * | 2014-03-03 | 2016-11-02 | 广东机电职业技术学院 | A kind of test system and method for Weak mixed power automobile power system electric component |
CN103809120A (en) * | 2014-03-03 | 2014-05-21 | 广东机电职业技术学院 | Testing system and method for electric part of power system for weak hybrid electric vehicle |
CN105116260A (en) * | 2015-09-07 | 2015-12-02 | 西南交通大学 | Direct-current traction substation regenerative electric energy utilization test system |
CN105116260B (en) * | 2015-09-07 | 2017-10-17 | 西南交通大学 | A kind of DC traction substation regenerative electric energy utilizes pilot system |
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CN105865804B (en) * | 2016-04-18 | 2019-03-26 | 浙江吉利控股集团有限公司 | A kind of the engine bench test system and test method of distributed energy feed system |
CN105938331A (en) * | 2016-06-29 | 2016-09-14 | 中国北方车辆研究所 | Semi-physical simulation platform for hybrid vehicle research and development |
CN108233820B (en) * | 2016-12-16 | 2024-06-11 | 上海电驱动股份有限公司 | Integrated electrical module for BSG motor controller |
CN108233820A (en) * | 2016-12-16 | 2018-06-29 | 上海电驱动股份有限公司 | A kind of BSG electric machine controllers integrated electrical module |
CN108438250A (en) * | 2018-04-16 | 2018-08-24 | 中电科芜湖通用航空产业技术研究院有限公司 | Serial mixed power aircraft power system testboard bay |
CN109031120A (en) * | 2018-07-11 | 2018-12-18 | 安徽江淮汽车集团股份有限公司 | A kind of BSG motor monomer method for testing performance |
CN109031120B (en) * | 2018-07-11 | 2019-11-05 | 安徽江淮汽车集团股份有限公司 | A kind of BSG motor monomer method for testing performance |
CN110927573A (en) * | 2019-11-29 | 2020-03-27 | 安徽江淮汽车集团股份有限公司 | Hybrid power engine debugging method, device, equipment and storage medium |
CN111562107A (en) * | 2020-07-08 | 2020-08-21 | 江铃汽车股份有限公司 | Belt durability testing method and device for BSG system |
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