CN201608559U - Vehicle-mounted power battery charger having switch power supply function with soft switching technology - Google Patents
Vehicle-mounted power battery charger having switch power supply function with soft switching technology Download PDFInfo
- Publication number
- CN201608559U CN201608559U CN2009202860100U CN200920286010U CN201608559U CN 201608559 U CN201608559 U CN 201608559U CN 2009202860100 U CN2009202860100 U CN 2009202860100U CN 200920286010 U CN200920286010 U CN 200920286010U CN 201608559 U CN201608559 U CN 201608559U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
Abstract
The utility model provides a vehicle-mounted power battery charger having switch power supply function with a soft switching technology, which can be applied to hybrid vehicles or pure electric driving vehicles. The vehicle-mounted power battery charger having the switch power supply function with the soft switching technology is connected with a power battery, and is used for controlling the charging process of the battery; the vehicle-mounted power battery charger comprises a charging control unit, a switch power supply controller and a soft switching loop, wherein an input end of the soft switching circuit is connected with an output of the switch power supply controller; the switch power supply controller comprises a PWM controller and a driving isolation circuit connected with the PWM controller; the PWM controller is used for outputting a pulse control signal which is transmitted into the soft switching loop through the driving isolation circuit; and a soft switching main loop comprises a phase-shifting control soft switching pulse width modulation DC/DC full-bridge converter, two leading-bridge arm field-effect tubes and two lagging-bridge arm field-effect tubes.
Description
Technical field
The utility model relates generally to charging control technology field, relates in particular to the vehicle mounted dynamic battery charger of the switch power source function of the used band soft switch technique of electrokinetic cell on hybrid power or the pure electric drive automobile.
Background technology
The current the most serious problem of generally using of fuel engines automobile is exactly a contaminated environment, and along with the enhancing of environmental consciousness, various hybrid powers or pure electric drive automobile are shown one's talent, and are popularized abroad.
Advantages such as hybrid power or pure electric drive automobile are little with its pollution, energy-conserving and environment-protective become the new developing direction of automobile industry.Hybrid vehicle, especially pure electric drive automobile is to be power with the vehicle power, travel with power wheel, itself is the pernicious gas of exhaust emission atmosphere not, and can make full use of power charge more than needed during low power consumption in night, generating equipment day and night can both be made full use of, improved its economic benefit greatly.
But the most electrokinetic cells that adopt of hybrid power or pure electric drive automobile are as energy resource system, this electrokinetic cell is different from general low-power battery, in charging process, electric current can be up to tens amperes, about about 300 volts, general charger can not satisfy the charging requirement of this high power battery to voltage greatly; The vehicle mounted dynamic battery charger of the switch power source function of band soft switch technique is as an important component part of power vehicle, must satisfy vehicle-mounted use, and existing charger all is subjected to certain restriction at aspects such as weight, volume, fail safes, can not satisfy vehicle-mounted requirement; And the costing an arm and a leg of electrokinetic cell, in charging process, may exist overcharge or temperature too high, just might damage the performance of battery, and the available dynamic battery charger can not satisfy the demand of quick charge.
The utility model content
The purpose of this utility model is to provide a kind of vehicle mounted dynamic battery charger of the switch power source function with soft switch technique, and its volume is little, and is in light weight, and possesses battery status self-checking function and charging process Automatic Optimal controlled function.Can conveniently realize the requirement of the vehicle power battery charge of various different sizes.
The utility model solves above-mentioned technical problem by such technical scheme:
A kind of vehicle mounted dynamic battery charger of the switch power source function with soft switch technique, it is connected with electrokinetic cell, is used to control the power battery charging process; The vehicle mounted dynamic battery charger comprises charging control unit, switch power controller and soft switch loop, and wherein, switch power controller comprises first and second inputs; The charging control unit output is connected with the first input end of switch power controller; The output in soft switch loop is connected to the input of electrokinetic cell, second input of switch power controller and the input of charging control unit, for electrokinetic cell provides charge power supply, and with the power battery charging signal feedback to second input of switch power controller and the input of charging control unit, wherein
Switch power controller comprises PWM controller and the driving buffer circuit that is connected with the PWM controller, and PWM controller output pulse control signal is sent to soft switch loop via driving buffer circuit;
Soft switch major loop comprises the DC-DC full-bridge converters of the soft switching pulse width modulated of phase shifting control, and described DC-DC full-bridge converters comprises two leading-bridge field effect transistor and two lagging leg field effect transistor.
As further improvement, described vehicle mounted dynamic battery charger can with the communication of exterior vehicle controller signals, described charging control unit comprises at least measures input circuit, procedure control unit and CAN Communication Control loop, and procedure control unit is connected with measurement input circuit and CAN Communication Control loop respectively;
Measure input circuit and link to each other, receive the power battery charging signal and send to procedure control unit with procedure control unit;
Procedure control unit comprises and measures the analog-to-digital conversion module that input circuit is connected, being used for the power battery charging conversion of signals is digital signal corresponding, and judge the current running parameter of electrokinetic cell, the output control signal corresponding is to the first input end of switch power controller; Procedure control unit is connected with CAN Communication Control loop by controller area network bus CANBUS, real-time and exterior vehicle controller signals communication.
As further improvement, the exterior vehicle controller also comprises vehicle-carrying display screen or keyboard, vehicle-carrying display screen is connected by controller area network bus CANBUS with the vehicle mounted dynamic battery charger with keyboard, comprises to the running parameter of vehicle-carrying display screen transmission vehicle mounted dynamic battery charger and electrokinetic cell or by keyboard running parameter is made amendment.
As further improvement, described battery-charge signal comprises charging voltage signal, charging current signal, reaches the battery temperature signal.
As further improvement, comprise Hall element in the described measurement input circuit, it is connected with vehicle mounted dynamic battery charger output, to realize the isolation signals sampling from the power battery charging signal.
As further improvement, CAN Communication Control loop further comprises high speed photo coupling, can isolate carry out photoelectricity by controller area network bus CANBUS communication signal.
As further improvement, the PWM controller is connected with charging control unit, and the PWM controller comprises operational amplifier and feedback circuit at least; Operational amplifier comprises positive and negative-phase input, and normal phase input end connects the control signal from charging control unit output, and negative-phase input connects the power battery charging signal from the output of vehicle mounted dynamic battery charger; Feedback circuit is connected between the output and negative-phase input of operational amplifier; Control signal that operational amplifier is relatively imported and power battery charging signal, obtain voltage deviation, obtain pulse control signal by feedback circuit, realize the feedback closed loop control of the curtage of charging process, and pulse control signal is sent to soft switch loop.
As further improvement, the PWM controller also comprises a frequency setting loop, is used to set the fixed frequency of pulse control signal output.
Compared with prior art, the advantage that the utlity model has is:
1, the vehicle mounted dynamic battery charger construction of the switch power source function of this band soft switch technique is simple, and volume is little, is applicable to be powerful charging on-vehicle battery;
2, can in battery-charge signal is carried out feedback closed loop control, monitor current charged state at any time, shorten the charging interval, protected battery admirably;
3, use the PWM modulator, realize charging on-vehicle battery, improved the overall work frequency of the vehicle mounted dynamic battery charger of the switch power source function of being with soft switch technique in conjunction with soft switch technique.
Description of drawings
Fig. 1 is the vehicle mounted dynamic battery charger and the battery connection diagram of the switch power source function of the utility model band soft switch technique.
Fig. 2 is the structural representation of the utility model charging control unit.
Fig. 3 is the structural representation of the measurement input circuit of the utility model charging control unit.
Fig. 4 is the structural representation of the utility model switch power controller.
Fig. 5 is the circuit diagram in the soft switch of the utility model loop.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing.
See also Fig. 1, the charging control unit 1 that the utility model provides is arranged in the vehicle-mounted power-supply management system.Power-supply management system is used to control electrokinetic cell 4 chargings, every running parameter of monitoring electrokinetic cell 4, and the running parameter of electrokinetic cell 4 is sent to Vehicle Controller, vehicle control device comprises the keyboard that is used for the modification parameter and is used to show the Vehicular display device of running parameter.
Described power-supply management system comprises the vehicle mounted dynamic battery charger and a battery 4 that is connected with the vehicle mounted dynamic battery charger of the switch power source function of a band soft switch technique at least, and the vehicle mounted dynamic battery charger comprises charging control unit 1, switch power controller 2 and the soft switch loop 3 of series connection successively.Charging control unit 1 is mainly used in the running parameter of the power battery charging signal of vehicle mounted dynamic battery charger output, and compares analysis according to default standard value, 2 work of output control signal control switching controller; Charging control unit 1 can also be sent on the vehicle-carrying display screen battery 4 present running parameters for reference simultaneously.The working signal output pulse control signal that switch power controller is used for comparison control signal and gathers from battery 4 is to realize the control to soft switch loop 3.
One, charging control unit
Measure the working signal of vehicle mounted dynamic battery charger output that input circuit 13 is used to gather the switch power source function of switching signal and band soft switch technique, and battery-charge signal is sent to described work letter procedure control unit 14.Described battery-charge signal comprises piezoelectric voltage signal, charging current signal, battery 4 temperature signals and switching signal battery temperature signal.
See also Fig. 2, measure input circuit 13 and comprise current-limiting resistance 31, Hall element 32 and operational amplifier 33.Hall element 32 links to each other with current-limiting resistance 31 and operational amplifier 33 respectively.
The charging voltage signal of the vehicle mounted dynamic battery charger output of the switch power source function of band soft switch technique, arrive in the Hall element 32 after charging current signal and battery 4 temperature signals process current-limiting resistance 31 current limlitings, the charging voltage and the charging current of the vehicle mounted dynamic battery charger of the switch power source function of battery temperature signal and band soft switch technique, the sampling of realization isolation signals, and charging voltage and the charging current signal that collects sent to operational amplifier 33,33 pairs of battery-charge signal that collect of operational amplifier are carried out power amplification, and are converted to procedure control unit 14 receivable standard signals.
As a kind of improvement, the Hall element of using in the utility model 32 adopts the Hall voltage transducer LV25 and the Hall current sensor LA25 of LEM company to gather charging voltage and electric current respectively.
Can preserve the standard value of battery-charge signal of vehicle mounted dynamic battery charger output of switch power source function of the band soft switch technique of user preset in the procedure control unit 14, also can be by the external keyboard input with the change standard value.Procedure control unit comprises an analog-to-digital conversion module that is connected with measurement input circuit 13, be used to receive from the battery-charge signal of the vehicle mounted dynamic battery charger output of the switch power source function of switching signal or band soft switch technique and with above-mentioned battery-charge signal and be converted to digital signal corresponding, procedure control unit by with comparison, analysis and the logical operation of preset standard value, with the running parameter of judging that battery 4 is current, below specify respectively:
A. ought receive switching signal, then procedure control unit 14 sends corresponding switch controlling signal.
B. ought receive charging voltage signal or charging current signal, procedure control unit 14 can and compare and analyze with indoor charging voltage of establishing and charging current these signals, obtains the voltage or the current controling signal of a battery 4 chargings; Perhaps battery 4 current charged states judged in the record that changes by a period of time charging voltage and electric current, provides correspondent voltage or current controling signal.
C. ought receive battery 4 temperature signals; procedure control unit 14 can compare with default temperature signal; whether battery temperature signal temperature is normal, sends the control signal of the vehicle mounted dynamic battery charger of the switch power source function that is used for the boundary belt soft switch technique.
D. in addition, procedure control unit 14 also can go out the external control signals such as time, battery 4 serviceabilities of battery 4 charging rates, battery 4 needs charging according to receiving different calculated signals, and sends to vehicle-carrying display screen.
CAN Communication Control loop 15 is connected with procedure control unit 14 by CANBUS (Controller Area Network, controller area network) bus.When procedure control unit 14 sends external control signal to vehicle-carrying display screen or peripheral other equipment, perhaps, when procedure control unit 14 receives the external control signal of external keyboard or the transmission of other equipment, for example during the standard value of the battery-charge signal of the vehicle mounted dynamic battery charger output of the switch power source function of user by keyboard input tape soft switch technique, all can transmit via CAN Communication Control loop 15.CAN Communication Control loop 15 also comprises high speed photo coupling, can carry out photoelectricity to external control signal and isolate, and avoids avoiding in the signals transmission electrical Interference.
D/A converter module 16 links to each other with procedure control unit 14 by high speed SPI interface, receive the control signal that procedure control unit 14 sends, and being converted into analog control signal, analog control signal can be sent to output control module 17, also can be sent to the PWM controller simultaneously.
After output control module 17 received the analog control signal of D/A converter module 16 output, driving condition indicating device 12 was with the running parameter of the vehicle mounted dynamic battery charger of the switch power source function that shows the band soft switch technique.
Press the button 11, charging control unit 1 is started working, and measures input circuit 13 and gathers switching signal, charging voltage signal, charging current signal and battery 4 temperature signals.Procedure control unit 14 is changed, analyzes also after reading switching signal output switch control signal is lighted by the indicator light on the output control module 17 driving condition indicating devices 12 to output control module 17.
After charging voltage signal, current signal and battery 4 temperature signals of the vehicle mounted dynamic battery charger output of the switch power source function of band soft switch technique are isolated sampling by the current-limiting resistance 3 battery temperature signal Hall elements 32 of measuring input circuit 13 to these signals, after operational amplifier 33 processing and amplifying, be converted to the procedure control unit 14 receivable signals of 0-5V.14 pairs of battery-charge signal that receive of program battery-charge signal control unit are changed, comparison and analysis provide control signal corresponding and export switch power controller 2 to via D/A converter module 16, calculate battery 4 charging rates, the time that needs charging, the external control signals such as serviceability of battery 4 simultaneously, and output to outside vehicle-carrying display screen or other vehicle-mounted ancillary equipment by CAN Communication Control loop 6.
Two, switch power controller and soft switch loop
See also Fig. 4, described switch power controller 2 comprises PWM controller and the driving buffer circuit that is connected with the PWM controller.The PWM controller is connected with charging control unit 1, it comprises operational amplifier and feedback circuit at least, operational amplifier comprises two inputs, normal phase input end connects the analog control signal from 6 outputs of the digital to analog converter in the charging control unit 1, and negative-phase input connects the charging voltage signal or the charging current signal of the vehicle mounted dynamic battery charger output of the switch power source function that carries soft switch technique.Be provided with between the digital to analog converter 6 of the normal phase input end of operational amplifier and charging control unit 1 and set loop resistance R1, be provided with between the vehicle mounted dynamic battery charger output of the switch power source function of the negative-phase input of operational amplifier and band soft switch technique and detect loop resistance R2.Feedback circuit is arranged between the output and negative-phase input of operational amplifier, comprises feedback resistance R3, R4 and feedback capacity C1, and the circuit that feedback resistance R3 and C1 are composed in series is in parallel with feedback resistance R4.
The positive of PWM controller and the analog control signal of negative-phase input and charging voltage signal or charging current signal compare, calculate voltage deviation, adopt the proportional integral FEEDBACK CONTROL to obtain pulse control signal by feedback circuit, realize the feedback closed loop control of the curtage of charging process, and pulse control signal is sent to soft switch loop 3.
Further, first timing circuit that the PWM controller also is provided with frequency setting capacitor C 5, frequency setting resistance R 5, is made up of capacitor C 6 and resistance R 6, second timing circuit of forming by capacitor C 7 and resistance R 7.
The pulse control signal of PWM controller output acquires the pulse control signal of fixed frequency by frequency setting capacitor C 5 and frequency setting resistance R 5, and obtain the delay time of leading-bridge according to first timing circuit, obtain the delay time of lagging leg according to second timing circuit.
The PWM controller sends to soft switch loop 3 with pulse control signal that obtains and the delay time that calculates by driving buffer circuit.Drive buffer circuit and be used for control voltage and high pressure between PWM controller and the field effect transistor are kept apart, to guarantee the safety of device.
See also Fig. 5, comprise four field effect transistor in the soft switch loop 3, each field effect transistor electric capacity in parallel and diode.Be leading-bridge field effect transistor T1 parallel diode D1 and capacitor C 1; Leading-bridge field effect transistor T3 parallel diode D3 and capacitor C 3, lagging leg field effect transistor T2 parallel diode D2 and capacitor C 2, lagging leg field effect transistor T4 parallel diode D4 and capacitor C 4.In addition, also comprise main transformer T, saturable reactor LK, be used for the diode D5 and the D6 of rectification, and be used for filter inductance Lf and capacitor C f.
Pulse control signal is input in the soft switch loop 33, by leading-bridge field effect transistor T1 and T3, lagging leg field effect transistor T2 and T4 obtain high-frequency ac current, constitute the loop through blocking capacitor Cb, main transformer T, saturable reactor LK, thereby the place, former limit at main transformer T produces controlled alternating current, and the electric current at the secondary place of main transformer T is through rectifier diode D5, D6, inductance L f, obtain the dc charging power supply of needs after the rectification of capacitor C f and the filtering, as the charge power supply of battery 4.
Output voltage is regulated by the field effect transistor that changes on leading-bridge and the lagging leg diagonal in soft switch loop 3, delay time according to leading-bridge that receives from switching power circuit 2 and lagging leg is led over phase place of lagging leg by leading-bridge, its essence is exactly to allow a certain brachium pontis be raised to supply voltage fast to discharging and recharging of shunt capacitance in utilizing resonant process or drop to null value, and make that same brachium pontis is about to open and connect diode current flow, and to make the terminal voltage of this pipe be 0.When the field effect pipe was opened, capacitance voltage in parallel was 0, because the electric current of major loop can not suddenly change, cause being connected in parallel on the diode current flow on the field effect transistor, causing this field effect transistor both end voltage when opening is 0, has realized the no-voltage conducting, i.e. zero voltage switch control; When the field effect pipe turn-offs, because the electric capacity both end voltage can not be suddenlyd change, be that no-voltage is turn-offed so turn-off, effectively overcome the too high shortcoming of field effect transistor temperature, reduce loss and interference.
The utility model adopts the DC-DC full-bridge converters of the soft switching pulse width modulated of phase shifting control in soft switch major loop, can realize the zero voltage switch of full-bridge converters, use the high-power FET of Switching Power Supply specialty chip controls full-bridge conversion, control major loop effectively by charging control circuit and realize soft switch motion, realize the FEEDBACK CONTROL of charging voltage or Current Control, make charging reach optimum efficiency.
The utility model uses the PIC18 series monolithic to be master controller in charging control unit 1, and configuration photoelectric isolation module and CAN communication module 62 make it have the CAN communication function, battery 4 state self-checking functions, charging process Automatic Optimal controlled function.Can before charging or in the charging, check battery 4, provide the optimal charge controlling value according to current battery 4 states, can realize several different charging methods such as Current Control, voltage control or power control, can also realize that perseverance is filled according to operating position, floating charge, tiny stream fill, all fill etc.At any time battery 4 is monitored in charging process, prevented from that battery 4 battery 4 temperature in charging process are too high or exist to overcharge, not only shortened the charging interval, and it is simple in structure, reliable operation has been simplified the supporting of system and has been improved performance.
The above only is a better embodiment of the present utility model; protection range of the present utility model does not exceed with above-mentioned execution mode; as long as the equivalence that those of ordinary skills do according to the utility model institute disclosure is modified or changed, all should include in the protection range of putting down in writing in claims.
Claims (8)
1. vehicle mounted dynamic battery charger with the switch power source function of soft switch technique, it is connected with electrokinetic cell, is used to control the power battery charging process; It is characterized in that: the vehicle mounted dynamic battery charger of the switch power source function of band soft switch technique comprises charging control unit, switch power controller and soft switch loop, and wherein, switch power controller comprises first and second inputs; The charging control unit output is connected with the first input end of switch power controller; The output in soft switch loop is connected to the input of electrokinetic cell, second input of switch power controller and the input of charging control unit, for electrokinetic cell provides charge power supply, and with the power battery charging signal feedback to second input of switch power controller and the input of charging control unit, wherein
Switch power controller comprises PWM controller and the driving buffer circuit that is connected with the PWM controller, and PWM controller output pulse control signal is sent to soft switch loop via driving buffer circuit;
Soft switch major loop comprises the DC-DC full-bridge converters of the soft switching pulse width modulated of phase shifting control, and described DC-DC full-bridge converters comprises two leading-bridge field effect transistor and two lagging leg field effect transistor.
2. the vehicle mounted dynamic battery charger of the switch power source function of band soft switch technique according to claim 1, it is characterized in that: described vehicle mounted dynamic battery charger can with the communication of exterior vehicle controller signals, described charging control unit comprises at least measures input circuit, procedure control unit and CAN Communication Control loop, and procedure control unit is connected with measurement input circuit and CAN Communication Control loop respectively;
Measure input circuit and link to each other, receive the power battery charging signal and send to procedure control unit with procedure control unit;
Procedure control unit comprises and measures the analog-to-digital conversion module that input circuit is connected, being used for the power battery charging conversion of signals is digital signal corresponding, and judge the current running parameter of electrokinetic cell, the output control signal corresponding is to the first input end of switch power controller; Procedure control unit is connected with CAN Communication Control loop by controller area network bus CANBUS, real-time and exterior vehicle controller signals communication.
3. the vehicle mounted dynamic battery charger of the switch power source function of band soft switch technique according to claim 2, it is characterized in that: the exterior vehicle controller also comprises vehicle-carrying display screen or keyboard, vehicle-carrying display screen is connected by controller area network bus CANBUS with the vehicle mounted dynamic battery charger with keyboard, comprises to the running parameter of vehicle-carrying display screen transmission vehicle mounted dynamic battery charger and electrokinetic cell or by keyboard running parameter is made amendment.
4. the vehicle mounted dynamic battery charger of the switch power source function of band soft switch technique according to claim 2 is characterized in that: described battery-charge signal comprises charging voltage signal, charging current signal, reaches the battery temperature signal.
5. the vehicle mounted dynamic battery charger of the switch power source function of band soft switch technique according to claim 2, it is characterized in that: comprise Hall element in the described measurement input circuit, it is connected with vehicle mounted dynamic battery charger output, to realize the isolation signals sampling from the power battery charging signal.
6. the vehicle mounted dynamic battery charger of the switch power source function of band soft switch technique according to claim 2, it is characterized in that: CAN Communication Control loop further comprises high speed photo coupling, can isolate carry out photoelectricity by controller area network bus CANBUS communication signal.
7. the vehicle mounted dynamic battery charger of the switch power source function of band soft switch technique according to claim 1 is characterized in that: the PWM controller is connected with charging control unit, and the PWM controller comprises operational amplifier and feedback circuit at least; Operational amplifier comprises positive and negative-phase input, and normal phase input end connects the control signal from charging control unit output, and negative-phase input connects the power battery charging signal from the output of vehicle mounted dynamic battery charger; Feedback circuit is connected between the output and negative-phase input of operational amplifier; Control signal that operational amplifier is relatively imported and power battery charging signal, obtain voltage deviation, obtain pulse control signal by feedback circuit, realize the feedback closed loop control of the curtage of charging process, and pulse control signal is sent to soft switch loop.
8. the vehicle mounted dynamic battery charger of the switch power source function of band soft switch technique according to claim 7 is characterized in that: the PWM controller also comprises a frequency setting loop, is used to set the fixed frequency of pulse control signal output.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202860100U CN201608559U (en) | 2009-12-22 | 2009-12-22 | Vehicle-mounted power battery charger having switch power supply function with soft switching technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202860100U CN201608559U (en) | 2009-12-22 | 2009-12-22 | Vehicle-mounted power battery charger having switch power supply function with soft switching technology |
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| CN201608559U true CN201608559U (en) | 2010-10-13 |
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| CN2009202860100U Expired - Fee Related CN201608559U (en) | 2009-12-22 | 2009-12-22 | Vehicle-mounted power battery charger having switch power supply function with soft switching technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441540A (en) * | 2013-08-12 | 2013-12-11 | 西安睿诺新能源有限公司 | Vehicle-mounted storage battery set charger circuit based on chopped waves |
| CN110188372A (en) * | 2019-04-11 | 2019-08-30 | 汉腾汽车有限公司 | A kind of method of controlling switch of the positive relay of power battery master |
-
2009
- 2009-12-22 CN CN2009202860100U patent/CN201608559U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441540A (en) * | 2013-08-12 | 2013-12-11 | 西安睿诺新能源有限公司 | Vehicle-mounted storage battery set charger circuit based on chopped waves |
| CN103441540B (en) * | 2013-08-12 | 2018-08-21 | 西安睿诺新能源有限公司 | A kind of onboard power storage battery group charger circuit based on copped wave |
| CN110188372A (en) * | 2019-04-11 | 2019-08-30 | 汉腾汽车有限公司 | A kind of method of controlling switch of the positive relay of power battery master |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101013 Termination date: 20111222 |