CN203572669U - Energy recuperation measuring and control device for blade electric vehicles - Google Patents
Energy recuperation measuring and control device for blade electric vehicles Download PDFInfo
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- CN203572669U CN203572669U CN201320615331.7U CN201320615331U CN203572669U CN 203572669 U CN203572669 U CN 203572669U CN 201320615331 U CN201320615331 U CN 201320615331U CN 203572669 U CN203572669 U CN 203572669U
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Abstract
The utility model discloses an energy recuperation measuring and control device for blade electric vehicles. The energy recuperation measuring and control device comprises a testing stand rack, a host computer with an operation interface, a slave computer measuring and control module communicated with the host computer, and a power battery; a driving motor, a rotating speed and torque measuring instrument, a flywheel set, a brake and ABS control module and an electric eddy current dynamometer are installed on the testing stand rack; the slave computer measuring and control module comprises a voltage/current detection module, a rotating speed and torque determination module, an electromagnetic clutch control module, a brake module and a field current duty ratio control module; and the power battery is electrically connected with the driving motor through a power change frequency converter. The energy recuperation measuring and control device has the beneficial effects that driving running control for vehicles under different conditions can be achieved according to different models and different test loads, control strategies of energy recuperation amount and coordinative braking of mechanical braking force and electromagnetic braking force for the vehicles under a regenerative braking mode can be researched, and data with "qualitative and quantification" analysis combined and curve technology data can be provided for blade electric vehicle developers.
Description
Technical field
The utility model relates to a kind of pure electric automobile energy and reclaims measure and control device.
Background technology
Continual mileage is short is a large short slab of restriction pure electric automobile marketing development, although the electrokinetic cell of research high-performance, high-energy-density can improve electric automobile continual mileage, but will certainly increase R&D costs, and performance history is subject to the restriction of material and technical conditions.By research electric automobile at vehicle deceleration, brake, slide the inertia kinetic energy of process, make motor with the form of generator to power battery charging (being that energy reclaims), can improve the continual mileage of vehicle, reduce the wearing and tearing of brake(-holder) block.And the necessary real experimental enviroment of energy recovery test is studied the maximization of energy recovery efficiency in removal process and the rapport of electromagnetic system power and machine made power, not only guarantee vehicle driving safety but also improved continual mileage.
For the research of electric automobile regenerative braking key issue (energy reclaim amount and machine made power and electromagnetic system power coordinated allocation) also in a kind of foresight, simulation stage qualitatively, a real experimental enviroment of test need of power battery charging ability to accept.Therefore, develop a highly versatile, can truly reduce Electric Vehicles Driving Cycle, and can realize the testing table that energy-recovering machine reason analyzes and seem particularly urgent.Therefore, develop an energy according to different automobile types, simulate different driving cycles, discharge and recharge the pure electric vehicle testing table of experiment, and by the observing and controlling of upper and lower computer, realize upper function according to the vehicle characteristics parameter of mutual input, the real-time working condition parameter (speed of a motor vehicle, accumulator SOC, brake-pedal travel) of take is fused data, by to the Fuzzy processing of three parameters, degree of membership structure, reasoning, on host computer, with curve or surface chart mode, show electrokinetic cell SOC and electromagnetic system power partition factor.For new car develops before, energy-recovering machine reason and braking strategy are carried out to the test platform that better design provides a kind of qualitative and quantitative analysis and research, reach saving cost of development, the object of reduction R&D cycle.
Summary of the invention
For the safety testing of pure electric automobile energy recovery test, machine made power and electromagnetic system power, lack the problem that real experimental enviroment, a test platform can not provide visual, dynamic, mutual experimental technique, the utility model proposes and a kind ofly according to different automobile types, different test loads, realize vehicle and under different operating modes, drives that running is controlled, real pure electric automobile energy recovery measure and control device.
Pure electric automobile energy described in the utility model reclaims measure and control device, it is characterized in that: comprise test-bed, with the host computer of operation interface, slave computer control module, the electrokinetic cell of communicating by letter with host computer, drive motor, rotational speed and torque measuring instrument, flywheel group, detent and ABS control module, electric eddy current dynamometer are installed on described test-bed, described rotational speed and torque measuring instrument input end by shaft coupling be connected with the output shaft of described drive motor, output terminal is connected with the input end of described flywheel group by shaft coupling; The output terminal of described flywheel group is connected with the input end of described detent by shaft coupling, and the output terminal of described detent is connected with described electric eddy current dynamometer by shaft coupling;
Described slave computer control module comprises electric current and voltage detection module, rotational speed and torque is measured module, electromagnetic clutch control module, brake module and exciting current Duty ratio control module, described electric current and voltage detection module is connected with described drive motor, described rotational speed and torque is measured module and is connected with described rotational speed and torque measuring instrument, described electromagnetic clutch control module is connected with the electromagnetic clutch of described flywheel group by relay (its inner integrated relay power cell), described brake module is by detent solenoid valve (its inner integrated detent solenoid valve power cell) and described detent and ABS control module two-way communication, described exciting current Duty ratio control module is connected with the dynamometer of described electric eddy current dynamometer, described electric current and voltage detection module, rotational speed and torque are measured module, electromagnetic clutch control module, brake module and exciting current Duty ratio control module and are connected with described host computer interactive module signal respectively, described electrokinetic cell changes frequency converter by power and described drive motor is electrically connected.
Visualization toolkit based on Delphi under described upper computer selecting Windows XP environment, and the Mscomm communication control of employing transplanting Visual Basic6.0 is realized the point-to-point serial communication of upper and lower computer.
Between described host computer and described slave computer control module, adopt RS232 serial communication mode to communicate by letter.
Described slave computer control module is MCS-51 industry control single-chip microcomputer.
Before test, first as required on the operation interface of host computer, set the test parameters of vehicle characteristics parameter matching to be measured, host computer is user oriented visual interactive operation interface, receive user's input instruction, and address code corresponding to this instruction is transferred to slave computer by serial ports, the mode that employing event is inquired about, replied, drives, shows at operation interface the dynamic parameter that energy recovery test stand gathers in real time; Slave computer control module, according to communication instruction and address code, is controlled corresponding electromagnetic clutch in conjunction with the simulation that realizes vehicle mass; During on-test, the slave computer horizontal reset initialization of going forward side by side that powers on, receives host computer command status in waiting for; When receiving the sampling instruction that host computer transmits by serial ports, just start to wait timer, the time one is detected throttle and the brake pedal aperture of vehicle to be measured in real time to slave computer control module, and is real-time transmitted to host computer; When receiving the steering order that host computer is sent, physical address that will be corresponding according to this instruction, trigger slave computer module and send control signal, carry out power inverter control and braking force distribution, and send control signal real time modelling running resistance to the dynamometer of electric eddy current dynamometer; When vehicle traction, slave computer control module is converted to RS232 level according to the average voltage at the armature two ends of the dutycycle of gas pedal power ratio control frequency converter and then adjusting drive motor and host computer communicates, and realizes vehicle traction; When car brakeing, slave computer control module carries out braking force distribution according to situations such as the state of charge of brake pedal aperture, electrokinetic cell (SOC), drive motor rotating speeds, the armature voltage of simultaneously controlling drive motor is realized energy and is reclaimed and communicate by letter with ABS control module, to ABS system, sends adjusting and the control that braking force distribution signal is realized machine made power; When test finishes, host computer sends and ceases and desist order to slave computer control module, and timer cuts out, and slave computer initialization is also standby, completes test.
The beneficial effects of the utility model are: can be according to different automobile types, different test load, realize vehicle drives running to control under different operating modes, and study with this control strategy that its energy yield, machine made power and electromagnetic system power under regenerative braking pattern are coordinated braking, thereby for providing a kind of " qualitative, quantitative ", pure electric automobile developer analyzes data, the Curve Technique data that combine.
Accompanying drawing explanation
Fig. 1 is structural framing figure of the present utility model.
Fig. 2 is the control sketch of slave computer control module of the present utility model.
Fig. 3 is slave computer signal procedure block diagram of the present utility model.
Fig. 4 is host computer operation and control interface schematic diagram of the present utility model.
Fig. 5 is the fuzzy reasoning block diagram that braking force distribution and energy reclaim.
Fig. 6 regenerative braking partition factor and SOC test surface chart.
Embodiment
Below in conjunction with accompanying drawing, further illustrate the utility model
With reference to accompanying drawing:
Described slave computer control module 3 comprises electric current and voltage detection module 31, rotational speed and torque is measured module 32, electromagnetic clutch control module 33, brake module 34 and exciting current Duty ratio control module 35, described electric current and voltage detection module 31 is connected with described drive motor 11, described rotational speed and torque is measured module 32 and is connected with described rotational speed and torque measuring instrument 12, described electromagnetic clutch control module 33 is connected with the electromagnetic clutch of described flywheel group 13 by relay, described brake module 34 is by detent solenoid valve and described detent and ABS control module 14 two-way communications, described exciting current Duty ratio control module 35 is connected with the dynamometer of described electric eddy current dynamometer 15, described electric current and voltage detection module 31, rotational speed and torque are measured module 32, electromagnetic clutch control module 33, brake module 34 and exciting current Duty ratio control module 35 and are connected with the interactive module signal of described host computer 2 respectively, described electrokinetic cell 4 changes frequency converter 41 by power and is electrically connected with described drive motor 11.
Described host computer 2 is selected the visualization toolkit based on Delphi under Windows XP environment, and the Mscomm communication control of employing transplanting Visual Basic6.0 is realized the point-to-point serial communication of upper and lower computer.
Between described host computer 2 and described slave computer control module 3, adopt RS232 serial communication mode to communicate by letter.
Described slave computer control module 3 is MCS-51 industry control single-chip microcomputer.
Structure and the output of embodiment 2 test parameterss
(1) parameter fuzzy structure, reasoning
Affect maximization, the optimized dynamic factor of electromagnetic system power partition factor that energy in pure electric automobile regenerative braking reclaims a lot, have the charge storage ability of the speed of a motor vehicle, electrokinetic cell, driver's operational circumstances, pavement behavior etc.Various factors is taken into account to the accuracy that no doubt can improve experimental study, but be difficult to modeling.Proposing take vehicle velocity V (motor speed), electrokinetic cell SOC, brake-pedal travel Pos is herein parameter input, and regenerative braking partition factor is the Policy model of variable output, and its reasoning framework as shown in Figure 5.By the Fuzzy processing to input, output quantity, build vehicle velocity V (low, middle, high), brake-pedal travel Pos(low, middle, high), battery SOC (low, middle, high), the membership function of regenerative braking partition factor, adopt the rule of fuzzy reasoning to set up the degree of association, its expression-form is:
if（V?is?V
i／and?Pos?is?Pos
i?and?SOC?is?SOC
i）then?regen_frac?is?f
i)。
(2) parameter output and de-fuzzy
According to the vehicle characteristics parameter of Fig. 4 input, the reasoning of Fig. 5 controlling fuzzy parameter, draws curve map as shown in Figure 6.Wherein d figure is the curve map that SOC in test, charging and discharging currents change with test period that discharges and recharges of selecting according to Fig. 4, and a, b, c figure are that brake-power balance coefficient is with the surface chart of input parameter variation.This surface chart can be constantly by test, contrast, optimize, improve the obfuscation membership function of input, output parameter in this system, make that TT&C system interface easy operating, data are easy to analyze, function is easy to expand.By the parameter of exporting in Fig. 6, it is obfuscation amount, and TT&C system needs a definite amount to calculate electromagnetic system power, therefore must carry out de-fuzzy to the parameter of output, consider controlling and security performance of car load, adopt method of weighted mean to try to achieve motor shared partition factor in energy reclaims.
Content described in this instructions embodiment is only enumerating the way of realization of utility model design; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also comprises those skilled in the art's equivalent technologies means that design can be expected according to the utility model.
Claims (3)
1. a pure electric automobile energy reclaims measure and control device, it is characterized in that: comprise test-bed, with the host computer of operation interface, slave computer control module, the electrokinetic cell of communicating by letter with host computer, drive motor, rotational speed and torque measuring instrument, flywheel group, detent and ABS control module, electric eddy current dynamometer are installed on described test-bed, described rotational speed and torque measuring instrument input end by shaft coupling be connected with the output shaft of described drive motor, output terminal is connected with the input end of described flywheel group by shaft coupling; The output terminal of described flywheel group is connected with the input end of described detent by shaft coupling, and the output terminal of described detent is connected with described electric eddy current dynamometer by shaft coupling;
Described slave computer control module comprises electric current and voltage detection module, rotational speed and torque is measured module, electromagnetic clutch control module, brake module and exciting current Duty ratio control module, described electric current and voltage detection module is connected with described drive motor, described rotational speed and torque is measured module and is connected with described rotational speed and torque measuring instrument, described electromagnetic clutch control module is connected with the electromagnetic clutch of described flywheel group by relay, described brake module is by detent solenoid valve and described detent and ABS control module two-way communication, described exciting current Duty ratio control module is connected with the dynamometer of described electric eddy current dynamometer, described electric current and voltage detection module, rotational speed and torque are measured module, electromagnetic clutch control module, brake module and exciting current Duty ratio control module and are connected with described host computer interactive module signal respectively, described electrokinetic cell changes frequency converter by power and described drive motor is electrically connected.
2. a kind of pure electric automobile energy as claimed in claim 1 reclaims measure and control device, it is characterized in that: between described host computer and described slave computer control module, adopt RS232 serial communication mode to communicate by letter.
3. a kind of pure electric automobile energy as claimed in claim 2 reclaims measure and control device, it is characterized in that: described slave computer control module is MCS-51 industry control single-chip microcomputer.
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| CN201320615331.7U CN203572669U (en) | 2013-09-30 | 2013-09-30 | Energy recuperation measuring and control device for blade electric vehicles |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132815A (en) * | 2014-07-15 | 2014-11-05 | 虞永义 | System and method for performing simulation test on performance of electric automobiles |
| CN104374582A (en) * | 2014-07-10 | 2015-02-25 | 无锡商业职业技术学院 | Simulation electric car experimental facility |
| CN104691343A (en) * | 2015-03-10 | 2015-06-10 | 河北联合大学 | Braking system of electric locomotive based on high-power inverter |
| CN105021406A (en) * | 2015-07-23 | 2015-11-04 | 江苏大学 | Driving-condition-based testing method for regenerative brake system of electric automobile |
| CN105629169A (en) * | 2014-11-20 | 2016-06-01 | 中国石油化工股份有限公司 | Oil pumping unit alternating load loading controller used for motor test |
| CN106482948A (en) * | 2016-12-05 | 2017-03-08 | 郑州日产汽车有限公司 | Multi-functional electric transmission testing stand |
| CN109655101A (en) * | 2017-10-12 | 2019-04-19 | 株洲中车时代电气股份有限公司 | A kind of torque rotary speed intelligent observing and controlling system and test method |
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2013
- 2013-09-30 CN CN201320615331.7U patent/CN203572669U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374582A (en) * | 2014-07-10 | 2015-02-25 | 无锡商业职业技术学院 | Simulation electric car experimental facility |
| CN104132815A (en) * | 2014-07-15 | 2014-11-05 | 虞永义 | System and method for performing simulation test on performance of electric automobiles |
| CN105629169A (en) * | 2014-11-20 | 2016-06-01 | 中国石油化工股份有限公司 | Oil pumping unit alternating load loading controller used for motor test |
| CN104691343A (en) * | 2015-03-10 | 2015-06-10 | 河北联合大学 | Braking system of electric locomotive based on high-power inverter |
| CN104691343B (en) * | 2015-03-10 | 2017-04-12 | 河北联合大学 | Braking system of electric locomotive based on high-power inverter |
| CN105021406A (en) * | 2015-07-23 | 2015-11-04 | 江苏大学 | Driving-condition-based testing method for regenerative brake system of electric automobile |
| CN105021406B (en) * | 2015-07-23 | 2017-11-17 | 江苏大学 | A kind of electric automobile regeneration brake system method of testing based on driving cycle |
| CN106482948A (en) * | 2016-12-05 | 2017-03-08 | 郑州日产汽车有限公司 | Multi-functional electric transmission testing stand |
| CN109655101A (en) * | 2017-10-12 | 2019-04-19 | 株洲中车时代电气股份有限公司 | A kind of torque rotary speed intelligent observing and controlling system and test method |
| CN109655101B (en) * | 2017-10-12 | 2021-11-19 | 株洲中车时代电气股份有限公司 | Intelligent torque and rotation speed measurement and control system and test method |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20150930 |
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| EXPY | Termination of patent right or utility model |