CN203911558U - Off-board conductive direct-current electric vehicle charger having APF function - Google Patents
Off-board conductive direct-current electric vehicle charger having APF function Download PDFInfo
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- CN203911558U CN203911558U CN201420224146.XU CN201420224146U CN203911558U CN 203911558 U CN203911558 U CN 203911558U CN 201420224146 U CN201420224146 U CN 201420224146U CN 203911558 U CN203911558 U CN 203911558U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 42
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 238000005070 sampling Methods 0.000 claims description 7
- 230000003750 conditioning effect Effects 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000001012 protector Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000009466 transformation Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 102100031573 Hematopoietic progenitor cell antigen CD34 Human genes 0.000 description 1
- 101000777663 Homo sapiens Hematopoietic progenitor cell antigen CD34 Proteins 0.000 description 1
- 101000934338 Homo sapiens Myeloid cell surface antigen CD33 Proteins 0.000 description 1
- 102100025243 Myeloid cell surface antigen CD33 Human genes 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 1
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- 229910052710 silicon Inorganic materials 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
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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
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Abstract
The utility model relates to an off-board conductive direct-current electric vehicle charger having an APF function. The charger is characterized by comprising an APF functional system and a power conversion functional system, wherein the APF functional system and the power conversion functional system are connected to achieve a power conversion control function; the APF functional system includes an APF control module which is connected to a three-phase alternating-current circuit through a circuit breaker, an alternating-current contactor, an alternating-current contactor, a current-limiting resistor, a filtering inductor and an electronic transformer. According to the utility model, the APF functional system and the power conversion functional system are organically combined together and integrated in the charger, so that the performance of the charger is improved, the stable and reliable operation of equipment is ensured, and the use and maintenance are facilitated; besides, multiple processors are adopted to work cooperatively, and harmonic wave interference can be detected quickly and accurately so as to keep the high-efficiency compensation of harmonic wave current, so that the working efficiency of the whole equipment is increased, and a four-remote function is achived.
Description
Technical field
The utility model belongs to electric automobile battery charger technical field, especially a kind of non-vehicle-mounted conduction-type direct current drive charger for automobile with APF function.
Background technology
Power conversion technology has experienced the development of more than two decades, has progressively substituted the power frequency silicon rectifier technology falling behind and has entered the high frequency conversion epoch.In high-frequency convertor technology process, passed by again its initial stage of power conversion technology, it is the hard switching PWM stage, enter in recent years its second stage, be the soft-switch PWM stage, hard switching PWM or soft-switch PWM all can produce humorous wave interference, and because harmonic current is larger, be difficult for powerful APF function to be integrated in charge power supply, be often equipped with APF rack and improve the quality of power supply.Electric automobile battery charger adopt this split type structure must between APF rack and charge power supply, connect by each middle data wire, control line, power line, cause stability decreases, and wiring complexity, be not easy to safeguard.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of reasonable in design, stable performance and use and maintenance to have easily the non-vehicle-mounted conduction-type direct current drive charger for automobile of APF function.
The utility model solves its technical problem and takes following technical scheme to realize:
A non-vehicle-mounted conduction-type direct current drive charger for automobile with APF function, comprises APF function system and power conversion function system, and APF function system is connected with power conversion function system and realizes power conversion control function; Described APF function system comprises APF control module, and this APF control module is connected on three-phase circuit by circuit breaker, A.C. contactor, A.C. contactor, current-limiting resistance, filter inductance, electric mutual inductor.
And, described APF control module comprises master controller, one from controller, three coprocessors, master controller by bus respectively with from processor, three coprocessors are connected, from controller and human-computer interface module, communication interface module and power conversion system communication module are connected, this power conversion system communication module is connected with power conversion function system, master controller is connected with jtag interface module with isolated drive circuit respectively, the input of three coprocessors is connected to signal conditioning circuit by A/D module, the input of this signal conditioning circuit is connected with the three-phase signal of electric mutual inductor collection, two CAP inputs of three coprocessors are connected with the output of synchronous detection module and phase lock circuitry respectively, this synchronous detection module is connected with phase lock circuitry, the output output pwm signal of three coprocessors is connected on PWM drive circuit, this PWM drive circuit is connected with IGBT circuit and realizes the control function to IGBT circuit.
And described master controller adopts FPGA module, described adopts RISC module from controller, and described coprocessor adopts DSP module.
And, described power conversion function system comprises that DC/DC multiple-harmonic power changes module, EMI filter circuit, current rectifying and wave filtering circuit, output filter circuit, multiple-harmonic control loop, APF function system communication module, output filter circuit, feedback sampling circuit, overvoltage and current foldback circuit and thermal-shutdown circuit, EMI filter circuit, current rectifying and wave filtering circuit, DC/DC multiple-harmonic power changes module and is connected successively with output filter circuit, this DC/DC multiple-harmonic power changes module and is also connected with multiple-harmonic control loop, this output filter circuit output direct current also passes through feedback sampling circuit, overvoltage and current foldback circuit are connected with multiple-harmonic control loop, this multiple-harmonic control loop is connected with APF function system communication module and realizes and the communication function of APF function system, multiple-harmonic control loop is also connected with thermal-shutdown circuit and realizes overheat protector function.
And described DC/DC multiple-harmonic power changes module and is connected and composed by high-frequency resonant inverter bridge, high-frequency isolation transformer and high-frequency rectification circuit.
And described multiple-harmonic control loop is connected and composed by RISC and peripheral circuit thereof.
Advantage of the present utility model and good effect are:
1, the utility model organically combines APF function control system and power conversion function system and is integrated into charger inside, power conversion function system adopts resonance potential type power ratio control converter technique, the harmonic current that charger is produced has dropped to a certain degree, improve the performance of charger, also can not impact the electrical network quality of power supply simultaneously.
2, the utility model integrates APF function control system and power conversion function system, has reduced the wiring quantity between equipment, and the equipment that ensured reliablely and stablely moves, and easy to use and maintenance.
3, the utility model adopts multiprocessor collaborative work, for harmonic wave Interference Detection fast, accurately, remains effectively compensating harmonic current, thereby improves complete machine operating efficiency, and realized four remote control function.
Brief description of the drawings
Fig. 1 is connection diagram of the present utility model;
Fig. 2 is the circuit block diagram of APF control module;
Fig. 3 is the circuit block diagram of power conversion function system;
Fig. 4 is the circuit diagram that DC/DC multiple-harmonic power changes module.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
A non-vehicle-mounted conduction-type direct current drive charger for automobile with APF function, as shown in Figure 1, comprises APF function system and power conversion function system, and APF function system is connected with power conversion function system to realize power conversion is controlled.Described APF function system comprises APF control module, circuit breaker Q F, A.C. contactor KM1, A.C. contactor KM2, current-limiting resistance R, filter inductance L, electric mutual inductor TA, and APF control module is connected on three-phase circuit by circuit breaker Q F, A.C. contactor KM1, A.C. contactor KM2, current-limiting resistance R1, filter inductance L1, electric mutual inductor TA.
As shown in Figure 2, APF control module comprises that master controller FPGA, one are from controller RISC, three coprocessor DSP, human-computer interface module, communication interface module, power conversion system communication module, isolated drive circuit, jtag interface module, signal adjustment circuit, A/D module, synchronous detection module, phase lock circuitry, PWM drive circuit and IGBT circuit.Master controller FPGA by bus respectively with from processor RISC, three coprocessor DSP are connected, from controller RISC and human-computer interface module, communication interface module and power conversion system communication module are connected, this communication interface module can be realized remote control (machine open/close, emergency shutdown), remote signalling (operating state, overvoltage, under-voltage, overcurrent, frequency), remote measurement (output voltage, electric current, power) and the function such as remote regulating (setting the compensation harmonic number of times of charger APF function), power conversion system communication module is connected with power conversion function system, realize APF and control function, FPGA is connected with jtag interface module with isolated drive circuit respectively, and the input of this isolated drive circuit is connected with digital signal, the input of three DSP is connected to signal conditioning circuit by A/D module, the input of this signal conditioning circuit is connected with the three-phase signal of electric mutual inductor collection, two CAP inputs of three DSP are connected with the output of synchronous detection module and phase lock circuitry respectively, this synchronous detection module is connected with phase lock circuitry, the output output pwm signal of three DSP is connected on PWM drive circuit, and this PWM drive circuit is connected with IGBT circuit and realizes the control function to IGBT circuit.In this APF control module, FPGA controls 3 DSP log-on data sampling simultaneously, synchronous deal with data, controls inverter current, produces the tasks such as PWM sequential.RISC and FPGA interaction data, mainly complete man-machine interface, remote communicating function and the control function to power conversion system.Each DSP bears the Detection task of a phase harmonic current, and sends to FPGA to process testing result, uses the system of many DSP parallel operation.
APF control module is in order to obtain exactly load current harmonic signal, and then produce compensating signal to offset the harmonic wave of charger generation, reach the object of harmonic compensation, APF control module adopts instantaneous reactive algorithm, realized precision high,, real-time is good, rapid dynamic response speed, meets the requirement of compensating charge harmonic wave that machine produces completely.
As shown in Figure 3, described power conversion function system comprises that DC/DC multiple-harmonic power changes module, EMI filter circuit, current rectifying and wave filtering circuit, output filter circuit, multiple-harmonic control loop, APF function system communication module, output filter circuit, feedback sampling circuit, overvoltage and current foldback circuit and thermal-shutdown circuit, EMI filter circuit, current rectifying and wave filtering circuit, DC/DC multiple-harmonic power changes module and is connected successively with output filter circuit, this DC/DC multiple-harmonic power changes module and is also connected with multiple-harmonic control loop, this output filter circuit output direct current also passes through feedback sampling circuit, overvoltage and current foldback circuit are connected with multiple-harmonic control loop, this multiple-harmonic control loop is connected with APF function system communication module and realizes and the communication function of APF function system, simultaneously, multiple-harmonic control loop is also connected with thermal-shutdown circuit and realizes overheat protector function.
As shown in Figure 4, described DC/DC multiple-harmonic power changes module and adopts voltage resonance soft switch technique, comprise high-frequency resonant inverter bridge, high-frequency isolation transformer and high-frequency rectification circuit, wherein, CD1～CD4, CD68-CD71, CD33, CD34 are input capacitance, give the power supply of high-frequency resonant inverter bridge, high-frequency alternating current circulation flow path is provided also to high-frequency resonant inverter bridge simultaneously.Resonant capacitance C1-C9 (9 parallel connections) selects CBB high frequency capacitance to form resonant tank together with resonance inductance L 2, main transformer B3 armature winding, and the high-frequency alternating current forming in loop flows to load energy is provided.High-frequency inversion bridge, high-frequency isolation transformer, high-frequency rectification composition resonant mode DC/DC converter, work in PFM mode, adopt " control of resonance potential type dicyclo ", there is instant control, feedforward compensating function, there is again the significant advantage of resonant circuit high efficiency, high reliability, low interference, the direct current of stable output after smothing filtering simultaneously.Therefore adopt DC/DC multi resonant shake power conversion technology be by APF function be integrated into charger basis and ensure.
Multiple-harmonic control loop is connected and composed by RISC and peripheral circuit thereof, it adopts is responsible for controlling the DC/DC multi resonant power conversion that shakes, and the various information exchanges of power conversion are crossed to data/address bus and are sent to the RISC of the unit of APF, also receive various data and the instruction from the RISC of APF unit, power conversion is regulated and controled simultaneously.
The utility model adopts the multi-CPU control system of 2RISC+3DSP+FPGA control model, and wherein APF function control system uses 1 RISC, 3 DSP and 1 FPGA module, and power conversion function system adopts 1 RISC module.Use the system of many CPU parallel operation, mainly contain following three advantages: (1) can significantly improve computational speed, significantly improves harmonic compensation speed; (2) to increase the data volume of operable software algorithm larger for CPU quantity; (3) can easily realize four remote control function.
The equal multi-electrical level inverter inversion transformation technique in power conversion of the present utility model unit and APF unit, electrical level inverter inversion transformation technique refers to and direct voltage is become to a series of sequence of voltage pulses with turning on and off of semiconductor switch device, to realize transformation, the frequency conversion of multi-electrical level inverter, and the electronic technology of control and harmonic carcellation.Multi-electrical level inverter PWM technology is mainly controlled two aspect targets: one is the control of output voltage, inverter output pulse sequence in weber rank with reference waveform equivalence; Two is the running status control of inverter own, comprises the control of power output balance, output harmonic wave control, devices switch loss control of the balance control of DC capacitor voltage, all power switchs etc.Adopt multi-level inverse conversion technology to have the following advantages: (1) level number is more, and the content of harmonic wave of output voltage is fewer; (2) inverter level number is easily expanded, and voltage synthesizes aspect, and on off state selects to have larger flexibility; (3) can pass through different switch combinations on same level, make DC capacitor voltage keep balance.
It is emphasized that; embodiment described in the utility model is illustrative; instead of determinate; therefore the utility model comprises and is not limited to the embodiment described in embodiment; every other execution modes that drawn according to the technical solution of the utility model by those skilled in the art, belong to the scope that the utility model is protected equally.
Claims (5)
1. a non-vehicle-mounted conduction-type direct current drive charger for automobile with APF function, is characterized in that: comprise APF function system and power conversion function system, APF function system is connected with power conversion function system and realizes power conversion control function; Described APF function system comprises APF control module, and this APF control module is connected on three-phase circuit by circuit breaker, A.C. contactor, A.C. contactor, current-limiting resistance, filter inductance, electric mutual inductor;
Described APF control module comprises master controller, one from controller, three coprocessors, master controller by bus respectively with from processor, three coprocessors are connected, from controller and human-computer interface module, communication interface module and power conversion system communication module are connected, this power conversion system communication module is connected with power conversion function system, master controller is connected with jtag interface module with isolated drive circuit respectively, the input of three coprocessors is connected to signal conditioning circuit by A/D module, the input of this signal conditioning circuit is connected with the three-phase signal of electric mutual inductor collection, two CAP inputs of three coprocessors are connected with the output of synchronous detection module and phase lock circuitry respectively, this synchronous detection module is connected with phase lock circuitry, the output output pwm signal of three coprocessors is connected on PWM drive circuit, this PWM drive circuit is connected with IGBT circuit and realizes the control function to IGBT circuit.
2. the non-vehicle-mounted conduction-type direct current drive charger for automobile with APF function according to claim 1, is characterized in that: described master controller adopts FPGA module, and described adopts RISC module from controller, and described coprocessor adopts DSP module.
3. the non-vehicle-mounted conduction-type direct current drive charger for automobile with APF function according to claim 1, is characterized in that: described power conversion function system comprises that DC/DC multiple-harmonic power changes module, EMI filter circuit, current rectifying and wave filtering circuit, output filter circuit, multiple-harmonic control loop, APF function system communication module, output filter circuit, feedback sampling circuit, overvoltage and current foldback circuit and thermal-shutdown circuit, EMI filter circuit, current rectifying and wave filtering circuit, DC/DC multiple-harmonic power changes module and is connected successively with output filter circuit, and this DC/DC multiple-harmonic power changes module and is also connected with multiple-harmonic control loop, and this output filter circuit output direct current also passes through feedback sampling circuit, overvoltage and current foldback circuit are connected with multiple-harmonic control loop, this multiple-harmonic control loop is connected with APF function system communication module and realizes and the communication function of APF function system, and multiple-harmonic control loop is also connected with thermal-shutdown circuit and realizes overheat protector function.
4. the non-vehicle-mounted conduction-type direct current drive charger for automobile with APF function according to claim 3, is characterized in that: described DC/DC multiple-harmonic power changes module and connected and composed by high-frequency resonant inverter bridge, high-frequency isolation transformer and high-frequency rectification circuit.
5. the non-vehicle-mounted conduction-type direct current drive charger for automobile with APF function according to claim 3, is characterized in that: described multiple-harmonic control loop is connected and composed by RISC and peripheral circuit thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420224146.XU CN203911558U (en) | 2014-05-05 | 2014-05-05 | Off-board conductive direct-current electric vehicle charger having APF function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420224146.XU CN203911558U (en) | 2014-05-05 | 2014-05-05 | Off-board conductive direct-current electric vehicle charger having APF function |
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| CN203911558U true CN203911558U (en) | 2014-10-29 |
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| CN201420224146.XU Expired - Fee Related CN203911558U (en) | 2014-05-05 | 2014-05-05 | Off-board conductive direct-current electric vehicle charger having APF function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490248A (en) * | 2015-11-28 | 2016-04-13 | 国家电网公司 | Comprehensive protection circuit for active power filter (APF) |
| CN105699933A (en) * | 2016-02-04 | 2016-06-22 | 任红霞 | Direct current electric energy meter detecting system for electric automobile battery charging pile |
| WO2019037033A1 (en) * | 2017-08-24 | 2019-02-28 | 海门市品格工业设计有限公司 | Electric vehicle direct-current charger based on dsp_cpld control |
-
2014
- 2014-05-05 CN CN201420224146.XU patent/CN203911558U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490248A (en) * | 2015-11-28 | 2016-04-13 | 国家电网公司 | Comprehensive protection circuit for active power filter (APF) |
| CN105490248B (en) * | 2015-11-28 | 2018-06-22 | 国家电网公司 | A kind of general protective circuit for APF |
| CN105699933A (en) * | 2016-02-04 | 2016-06-22 | 任红霞 | Direct current electric energy meter detecting system for electric automobile battery charging pile |
| WO2019037033A1 (en) * | 2017-08-24 | 2019-02-28 | 海门市品格工业设计有限公司 | Electric vehicle direct-current charger based on dsp_cpld control |
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Address after: 300010 Tianjin city Hebei District Wujing Road No. 39 Patentee after: State Grid Corporation of China Patentee after: Tianjin Sanyuan Power Equipment Manufacturing Co., Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: Tianjin Sanyuan Power Equipment Manufacturing Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20141029 Termination date: 20210505 |