CN202135074U - Fully-intelligent cell simulator - Google Patents

Fully-intelligent cell simulator Download PDF

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Publication number
CN202135074U
CN202135074U CN201120227488U CN201120227488U CN202135074U CN 202135074 U CN202135074 U CN 202135074U CN 201120227488 U CN201120227488 U CN 201120227488U CN 201120227488 U CN201120227488 U CN 201120227488U CN 202135074 U CN202135074 U CN 202135074U
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CN
China
Prior art keywords
module
direct current
circuit
control unit
controller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN201120227488U
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Chinese (zh)
Inventor
张文武
刘淑格
段俊勇
吴彪
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Shenzhen city and Wei Wei power Polytron Technologies Inc
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QINGDAO HONGFANG SOFTCONTROL CO LTD
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Priority to CN201120227488U priority Critical patent/CN202135074U/en
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Publication of CN202135074U publication Critical patent/CN202135074U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a fully-intelligent cell simulator which comprises an AC\DC current converting module, a direct current converting DC\DC module and a control unit. The AC\DC current converting module is disposed on the front part of the direct current converting DC\DC module, and comprises an input interface and an output interface. The input interface is connected with a three-phase grid. The output interface is connected with the direct current converting DC\DC module via a power line. The direct current converting DC\DC module is connected with a to-be-detected motor and a controller via a power line. According to the utility model, a power supply device of the new energy automobile motor with a bidirectional SPWM inversion rectification technology and the controller is adopted by the simulator. The simulator easily enables grid-connected charge and discharge voltaic sine waves and high-power factor control to be realized, and poses no pollution to the grid.

Description

Full intelligent battery simulator
Technical field
The utility model belongs to the new-energy automobile machine field, is specifically related to a kind of full intelligent battery simulator.
Background technology
For new-energy automobile motor, controller and car load production firm; Every motor, controller all need carry out performance test work in process of production; Therefore; Motor and controller test equipment are essential, for being the important component part of testing equipment by the battery simulator of measured motor and controller power supply.And a large amount of new-energy automobile motors and controller production, car load production, new-energy automobile research and development and detection provide wide application stage for battery simulator.
At present; Tested new-energy automobile motor and controller detect power supply and adopt two kinds of methods to carry out usually: the one, directly use storage battery power supply; The life of storage battery is short, volume is big, difficult in maintenance, contaminated environment; And will in time keep watch on the variation of battery tension, in case cross the generation of putting, its discharging current control is also inconvenient; Another kind is to adopt silicon controlled rectification power source, and this mode can't need arrangement brake unit and brake resistance that tested motor braking energy is consumed through heat energy in motor braking energy feeding electrical network usually; Waste energy, dynamic response is slow simultaneously, can not satisfy fully by the response time of measured motor and controller requirement; In addition, silicon controlled rectifier contains a large amount of high order harmonic component compositions, and electrical network is caused harmonic pollution; Power factor is also lower, can lose a large amount of reactive energies.
Summary of the invention
The utility model has overcome the deficiency of prior art; A kind of full intelligent battery simulator has been proposed; Said simulator adopts the new-energy automobile motor of two-way SPWM inversion commutation technique and the supply unit of controller; The sinusoidal waveform of charging and discharging currents and High Power Factor control are pollution-free to electrical network because it can realize being incorporated into the power networks easily, so are energy-efficient green power supplies.
The technical scheme of the utility model is: full intelligent battery simulator; Comprise AC/DC unsteady flow module, direct current conversion DC/DC module, control unit, by measured motor and controller; Said AC/DC unsteady flow module is positioned at the front end of said direct current conversion DC/DC module; It comprises input interface and output interface; Said input interface links to each other with three phase network, and said output interface links to each other with direct current conversion DC/DC module through power line, and said direct current conversion DC/DC module is linked to each other by measured motor and controller with said through power line.
Said AC/DC rectification module comprises a voltage-type inverter main circuit, and said voltage-type inverter main circuit adopts current control mode.
Direct current conversion DC/DC module comprises inversion module, current rectifying and wave filtering circuit, output feedback circuit and pulse width regulating circuit; Between inversion module and current rectifying and wave filtering circuit, be provided with contravariant transformer; The output feedback circuit is positioned at the rear end of current rectifying and wave filtering circuit; And be connected with current rectifying and wave filtering circuit through power line, said pulse width regulating circuit is connected with the output feedback circuit through an adjuster, and said pulse width regulating circuit is connected with inversion module through power line.
Said control unit comprises direct current closed-loop control unit, direct voltage closed-loop control unit and exchanges the grid-connected current control unit.
The utlity model has following beneficial effect:
1) system's electrodynamic braking is short change-over time, and electronic and on-position transformation energy is accomplished within 10ms;
2) voltage can be realized step-less adjustment, and is different from measured motor and controller electric pressure demand to satisfy;
3) but the electric energy feedback grid, energy is not wasted;
4) rectification and inverter power factor are high, and harmonic wave is little;
5) introduce brand-new soft controller to the setting of making amendment of various parameters, need not any manual intervention;
6) introduce experts system, identification is by measured motor and controller load characteristic automatically.
Description of drawings
Further specify the utility model below in conjunction with accompanying drawing and embodiment.
Fig. 1 is the structural principle sketch map of the utility model.
Fig. 2 is the AC/DC rectification module structural representation of the utility model.
Fig. 3 is the control unit principle schematic of the utility model.
Fig. 4 is the control system schematic diagram of the utility model.
Embodiment
Further specify below in conjunction with accompanying drawing, and the related scope of unrestricted the utility model.
Embodiment
Further specify below in conjunction with accompanying drawing, and the related scope of unrestricted the utility model.
To shown in Figure 4, the utility model comprises AC/DC unsteady flow module, direct current conversion DC/DC module, control unit, by measured motor and controller referring to Fig. 1.AC/DC unsteady flow module output 540-780V direct voltage; Supply dissimilar being used by measured motor and controller through the DC/DC output 0-750V direct voltage that uses the DC chopped-wave principle again, AC/DC, DC/DC can realize the bidirectional energy transmission; During tested motor powered; AC/DC is in rectifier system, and DC/DC is in the buck chopper mode, and electric energy is exported to by measured motor and controller through AC/DC, DC/DC by electrical network; During tested motor braking, DC/DC is in the feedback mode of boosting, and AC/DC is in inverting, and motor power is by DC/DC, AC/DC feedback grid.
The circuit structure of AC/DC unsteady flow module is as shown in Figure 2, and two-way SPWM inversion rectifying device generally adopts the voltage-type inverter main circuit, and its device for power switching is insulated gate bipolar transistor (IGBT), adopts current control mode.Its BP end links to each other with negative pole with the positive pole of BN end with the DC/DC input, resistance R s pre-charge resistance, and to prevent producing big short-circuit impact electric current in the initial no-voltage of moment owing to filter capacitor of closing a floodgate, after precharge finished, contactor KM1 was closed, short circuit Rs.The selection of its electric capacity is exported rated power with inverter, busbar voltage is relevant, and too small if capacitance is selected, the fluctuating range of inverter DC bus-bar voltage will be bigger.
Direct current conversion links control structure is as shown in Figure 3, among the figure, and T vBe the sampling period, K DP, K DlBe respectively ratio, the integration gain factor of direct current outer shroud pi regulator.The parameter tuning method of pi regulator with exchange G De(s) be the direct-current discharge transfer function, W Ei(s) for exchanging the ring transfer function.The charge-discharge system of battery need be controlled direct current and direct voltage (power is determined by electric current and voltage), also is to need control and exchange grid-connected current, and therefore, the control unit of this system includes three closed-loop controls.Controller can adopt the PLC of Siemens S7-300 as master controller, and each amount is carried out acquisition controlling, to reach the effect of stablizing closed loop.Because there are three closed-loop controls in system, the Control Parameter of each adjuster is set has considerable influence to the stability of a system and rapidity, and each regulator parameter is answered the reasonably optimizing design, with the charging/discharging voltage of assurance system and stablizing of electric current.
The control system program structure flow chartr is as shown in Figure 4.The logic operation that software program configures according to the user in advance.Can set electric voltage, electric current, feedback voltage, electric current, parameters such as electronic feedback transformation time.
System's major function design as follows.
1) can on this machine liquid crystal display operation panel, to set suitable electric current and voltage by the user be that controller provides voltage and current parameter to the electric operation curve setting; Realize the match of curve with limited array; Control current tracking setting curve when electronic, and finally be stabilized on the bound magnitude of voltage of battery charging and discharging.
2) under braking mode, if system has accomplished electronic, braking procedure, then autostop is waited for and auditory tone cues.
3) Control on Communication of host computer and this machine system of management are provided with the Profibus communication interface, can realize the multimachine connected network communication.This machine can be sent to host computer with running status and data through fieldbus, like battery simulator voltage, battery current etc.; Host computer also can be given slave computer by sending controling instruction, like electric voltage current-order, the instruction of feedback electric current and voltage etc., and can monitor and manage many battery simulators equipment simultaneously, current operational factor of graphical display and history run curve etc.
4) error protection of system is for the battery simulator device of this type, except possessing general inverter defencive function.Adopt two-way SPWM inversion commutation technique, the sinusoidal waveform of electrodynamic braking electric current and High Power Factor control are pollution-free to electrical network because it can realize being incorporated into the power networks easily, so are energy-efficient green power supplies.The system power switching device is selected IGBT for use; Its switch operating frequency can reach more than the 20kHz; Adopt special-purpose DSP data processor controlled; Sine-shaped aberration rate is very little, noise is very low, system design have a management function that storage battery networking team control intellectuality discharges and recharges, can adapt to the Motor Measuring System production and the maintenance of different electric pressures and type.Because this device has better controlling performance and economic index, its popularizing application prospect is good.
In addition, those skilled in the art also can do other variation in the utility model principle, and certainly, the variation that these are done according to the utility model principle all should be included in the utility model scope required for protection.

Claims (4)

1. full intelligent battery simulator; It is characterized in that: comprise AC/DC unsteady flow module, direct current conversion DC/DC module, control unit, by measured motor and controller; Said AC/DC rectification module is positioned at the front end of said direct current conversion DC/DC module; It comprises input interface and output interface; Said input interface links to each other with three phase network, and said output interface links to each other with direct current conversion DC/DC module through power line, and said direct current conversion DC/DC module is linked to each other by measured motor and controller with said through power line.
2. full intelligent battery simulator according to claim 1 is characterized in that: said AC/DC unsteady flow module comprises a voltage-type inverter main circuit, and said voltage-type inverter main circuit adopts current control mode.
3. full intelligent battery simulator according to claim 1 and 2; It is characterized in that: direct current conversion DC/DC module comprises inversion module, current rectifying and wave filtering circuit, output feedback circuit and pulse width regulating circuit; Between inversion module and current rectifying and wave filtering circuit, be provided with contravariant transformer; The output feedback circuit is positioned at the rear end of current rectifying and wave filtering circuit; And be connected with rectification, filter circuit through power line, said pulse width regulating circuit is connected with the output feedback circuit through an adjuster, and pulse width regulating circuit is connected with inversion module through power line.
4. full intelligent battery simulator according to claim 3 is characterized in that: said control unit comprises direct current closed-loop control unit, direct voltage closed-loop control unit and exchanges the grid-connected current control unit.
CN201120227488U 2011-06-30 2011-06-30 Fully-intelligent cell simulator Expired - Lifetime CN202135074U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120227488U CN202135074U (en) 2011-06-30 2011-06-30 Fully-intelligent cell simulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120227488U CN202135074U (en) 2011-06-30 2011-06-30 Fully-intelligent cell simulator

Publications (1)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103175686A (en) * 2013-03-06 2013-06-26 广州孔辉汽车科技有限公司 Drive motor and AMT (automated mechanical transmission) test system for electric vehicles
CN103746653A (en) * 2013-12-24 2014-04-23 青海能高新能源有限公司 DC analog power supply with characteristics of photovoltaic module
CN103792446A (en) * 2014-01-17 2014-05-14 宁波大学 Method for simulating discharge performance of battery and battery simulator applying same
CN105048525A (en) * 2014-04-17 2015-11-11 福特全球技术公司 Bidirectional DC converter-based battery simulator
CN105197023A (en) * 2015-10-15 2015-12-30 珠海格力电器股份有限公司 Train power supply system, train air-conditioning system using same and control method of train air conditioning
CN105915082A (en) * 2016-04-21 2016-08-31 中国船舶重工集团公司第七〇二研究所 High-voltage high-power battery simulation equipment
CN107907754A (en) * 2017-10-12 2018-04-13 国网河北能源技术服务有限公司 The off-board charger testing battery simulator of electric automobile
CN111443288A (en) * 2020-04-27 2020-07-24 山东沃森电源设备有限公司 Low-cost new energy automobile motor test power supply

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103175686A (en) * 2013-03-06 2013-06-26 广州孔辉汽车科技有限公司 Drive motor and AMT (automated mechanical transmission) test system for electric vehicles
CN103175686B (en) * 2013-03-06 2015-11-25 广州孔辉汽车科技有限公司 The drive motor of electric automobile and AMT pilot system
CN103746653A (en) * 2013-12-24 2014-04-23 青海能高新能源有限公司 DC analog power supply with characteristics of photovoltaic module
CN103792446A (en) * 2014-01-17 2014-05-14 宁波大学 Method for simulating discharge performance of battery and battery simulator applying same
CN103792446B (en) * 2014-01-17 2016-04-27 宁波大学 A kind of method of simulated battery discharge performance and realize the battery simulator of the method
CN105048525A (en) * 2014-04-17 2015-11-11 福特全球技术公司 Bidirectional DC converter-based battery simulator
CN105048525B (en) * 2014-04-17 2019-07-19 福特全球技术公司 Storage battery analog device based on bidirectional, dc converter
CN105197023A (en) * 2015-10-15 2015-12-30 珠海格力电器股份有限公司 Train power supply system, train air-conditioning system using same and control method of train air conditioning
CN105197023B (en) * 2015-10-15 2018-06-22 珠海格力电器股份有限公司 A kind of control method of train air-conditioning
CN105915082A (en) * 2016-04-21 2016-08-31 中国船舶重工集团公司第七〇二研究所 High-voltage high-power battery simulation equipment
CN107907754A (en) * 2017-10-12 2018-04-13 国网河北能源技术服务有限公司 The off-board charger testing battery simulator of electric automobile
CN111443288A (en) * 2020-04-27 2020-07-24 山东沃森电源设备有限公司 Low-cost new energy automobile motor test power supply

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C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20150930

Address after: 266000 Qingdao hi tech Industrial Development Zone, Qingdao National University Science Park, Shandong

Patentee after: Qingdao Pike Energy Co.,Ltd.

Address before: Chongqing Sifang District Shandong road 266200 Qingdao City No. 298 Yanshan century business building room 1503

Patentee before: Qingdao Hongfang Softcontrol Co.,Ltd.

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160510

Address after: 518049 Guangdong city of Shenzhen province Futian District Camry Factory 1, the entire 318

Patentee after: AUTOWAY, GUANGDONG ELECTRIC POWER CONSTRUCTION CO., LTD.

Address before: 266000 Qingdao hi tech Industrial Development Zone, Qingdao National University Science Park, Shandong

Patentee before: Qingdao Pike Energy Co.,Ltd.

C56 Change in the name or address of the patentee
CP03 Change of name, title or address

Address after: Longgang street community of Longgang District of Shenzhen City Tongde Guangdong province 518000 pit road No. 64 building two

Patentee after: Shenzhen city and Wei Wei power Polytron Technologies Inc

Address before: 518049 Guangdong city of Shenzhen province Futian District Camry Factory 1, the entire 318

Patentee before: AUTOWAY, GUANGDONG ELECTRIC POWER CONSTRUCTION CO., LTD.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20120201