CN103746418A - Electric automobile AC-DC-combined charging control system - Google Patents
Electric automobile AC-DC-combined charging control system Download PDFInfo
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- CN103746418A CN103746418A CN201310737028.9A CN201310737028A CN103746418A CN 103746418 A CN103746418 A CN 103746418A CN 201310737028 A CN201310737028 A CN 201310737028A CN 103746418 A CN103746418 A CN 103746418A
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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
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- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The invention discloses an electric automobile AC-DC-combined charging control system. An electric automobile charging control circuit comprises a switch unit connected in series between a power supply system and an electric automobile inner battery packet; a voltage detection module used for detecting power supplying voltage at a connection point of a charging system and the battery packet in real time; and a microprocessor used for adjusting the output voltage of the charging system when it is determined that the power supplying voltage exceeds a preset voltage threshold value range in order to enable the power supplying voltage within the preset voltage threshold value range. Compared with a product in the prior art, the electric automobile charging control circuit monitors the power supplying voltage from the charging system to the electric automobile inner battery packet in real time and adjusts the power supplying voltage within the preset voltage threshold value range of the battery packet such that the power supplying voltage of the battery packet automatically satisfies a charging requirement of the electric automobile and the charging efficiency of the electric automobile is increased. Additionally, the charging security of the electric automobile inner battery packet is effectively protected and the electric automobile AC-DC-combined charging control system has significant market meaning.
Description
Technical field
The present invention relates to a kind of electric vehicle engineering field, relate in particular to a kind of charging electric vehicle control circuit and apply battery system and the electric automobile of this charging electric vehicle control circuit.
Background technology
Along with the contradiction between economic development and energy resource supply, environmental pollution intensifies day by day, energy-saving and cost-reducing and reduce the dependence of fossil fuel has been become to countries in the world sustained economic development problem in the urgent need to address.Electric automobile has fuel-economizing, environmental protection, high efficiency advantage, and countries in the world scientist and industrial quarters generally believe that electric automobile is important clean traffic instrument of 21st century.Electric automobile charging station and charging device are the important infrastructures of electric vehicle industrialization and commercialized development.
From existing charging electric vehicle facility, most of function is all comparatively simple, can only manual charging, cannot to electrical network feed back vehicle power information, can not be by control centre's Long-distance Control, cannot change automatic charging according to operation of power networks situation and the market price, can not serve as energy storage device to electrical network electric discharge, can not networking etc.On the one hand, due to electrically-charging equipment function and technical deficiency, under the ruuning situation of electric automobile scale market, large-scale electric automobile is easy to cause unordered charging, and power network safety operation is brought to negative effect; On the other hand, restrict the performance of electric automobile as the potential Mobile energy storage functions of the equipments of electrical network, restricted the development of electric automobile and electrical network intelligent interaction technology.Current carry forward vigorously electric automobile large-scale development and Market Operation in the situation that; the construction that is necessary very much to strengthen intelligent two-way interaction and coordinates in order the charging electric vehicle network of controlling; while discharging and recharging with assurance scale electric automobile access electrical network, the safe and stable operation of electric power system, improves quantity of operation and the overall operation efficiency of the interactive operation of scale electric automobile and electrical network.Patent of invention 201010171450.9 discloses a kind of alternating current power supply charging pile of electric automobile, comprises control system, AC power, leakage current sensor, ammeter, LCDs, data transmission module and memory.
Patent of invention 201010167280.7 discloses a kind of unattended intelligent electric automobile charging pile, charging module, automatic gauge accounting module, data acquisition and center protection microprocessor and communication module four parts, consists of.More than invention and other similar inventions only provide the charging inlet of separate unit electric automobile and carry out metering and billing management, can not realize and the information interaction of electrical network, accept the scheduling of electrical network and control with management.Patent of invention 201010617141.X discloses a kind of trough charging pile of electric automobile, in charging pile body, is provided with the time relay, to control the break-make of AC power output interface, while realizing trough, charges, and reduces the shock effect to electrical network.But this invention can only regularly be charged, can not realize and the real-time interactive of electrical network, according to the real time execution situation of electrical network, accept control and the management of electrical network; Can not realize Long-distance Control.Prior art all can not real-time perception operation of power networks state, and according to the charging process of operation of power networks situation and actual needs dynamic adjustments electric automobile.
Summary of the invention
The invention provides a kind of electric automobile alternating current-direct current combined charging control system, can dynamically adjust the charging process of electric automobile.
To achieve the above object of the invention, the invention provides a kind of electric automobile alternating current-direct current combined charging control system, for controlling the charging of charging system to power brick in electric automobile, described charging system comprises DC charging module and AC charging module, wherein, described electric automobile alternating current-direct current combined charging control system comprises:
Switch element, is series between the interior power brick of described electric power system and electric automobile;
Voltage detection module, for detecting in real time the supply power voltage at described charging system and described power brick tie point place;
Microprocessor, for when judging that described supply power voltage exceeds predetermined voltage threshold scope, adjusts the output voltage of charging system, to make described supply power voltage be positioned at described predetermined voltage threshold scope.
Preferably, described electric automobile alternating current-direct current combined charging control system also comprises:
Current detection module, for detecting in real time the supply current at described charging system and described power brick tie point place;
Microprocessor, also, for when judging that described supply current exceeds predetermined current threshold range, adjusts the output current of charging system, to make described supply power voltage be positioned at described predetermined current threshold range.
Preferably, described electric automobile alternating current-direct current combined charging control system also comprises:
Frequency detection module, for detecting in real time the power supply frequency of described charging system and described power brick junction;
Microprocessor, also for comparing by described power supply frequency and predeterminated frequency threshold value, judge described charging system and described power brick junction active power be whether on the occasion of, if, control described switch element conducting, if not, control described switch element and disconnect.
Preferably, described electric automobile alternating current-direct current combined charging control system also comprises:
AC ammeter, connects described AC charging module and microprocessor, for AC network module output electric weight is transferred to microprocessor;
DC meter, connects described DC charging module and microprocessor, for DC charging module output electric weight is transferred to microprocessor.
Preferably, described electric automobile alternating current-direct current combined charging control system comprises the control module being connected between described switch element and microprocessor, described control module is for selecting the charge mode of charging system, and described charge mode at least comprises: DC charging pattern, AC charging pattern, immediately charge mode, time delay charge mode, be full of till pattern, default electric weight charge mode and default duration charge mode.
Preferably, described microprocessor is one of single-chip microcomputer, DSP device, ARM device.
Preferably, described switch element comprises relay.
Preferably, described AC charging module comprises lightning arrester, contactor, circuit breaker, earth leakage protective device; Described DC charging module comprises lightning arrester, contactor, circuit breaker, earth leakage protective device, rectification module and DC-DC charging module.
Preferably, described electric automobile alternating current-direct current combined charging control system also comprises the card reader, keyboard and the liquid crystal display screen that connect described microprocessor.
The present invention also provides a kind of charging system, and its output electric weight can dynamically be adjusted.
To achieve the above object of the invention, the invention provides a kind of charging system, for electric automobile is charged, described charging system comprises DC charging module and AC charging module, wherein, described charging system also comprises the charging electric vehicle control circuit described in aforementioned summary of the invention.
The present invention also provides a kind of electric automobile, and its charge capacity can dynamically be adjusted.
To achieve the above object of the invention, the invention provides a kind of electric automobile, for obtaining battery system electric power, carry out electric power deposit, wherein, described electric automobile also comprises the charging electric vehicle control circuit described in aforementioned summary of the invention.
Compared with prior art; charging electric vehicle control circuit provided by the present invention and apply charging system and the electric automobile of this charging electric vehicle control circuit; the real-time monitoring charging system of supply power voltage by to(for) power brick in electric automobile; supply power voltage is adjusted within the scope of the predetermined voltage threshold of power brick; make the supply power voltage of power brick automatically meet the charging demand of electric automobile; improve the charge efficiency of electric automobile; effectively protect the charging safety of power brick in electric automobile simultaneously; reduce charge fault, there is very strong market significance.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing relevant of the present invention in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is that in one embodiment of the invention, charging electric vehicle control circuit coordinates rear module map with charging system.
Embodiment
Below with reference to each embodiment shown in the drawings, describe the present invention.But these embodiment do not limit the present invention, the conversion in structure, method or function that those of ordinary skill in the art makes according to these embodiment is all included in protection scope of the present invention.
As shown in Figure 1, the invention provides a kind of charging electric vehicle control circuit 100, described charging electric vehicle control circuit 100 is for automatically adjusting the output power of charging system 200, to mate the charging demand of electric automobile.
Wherein, charging system 200 comprises DC charging module 210 and AC charging module 220, preferred, and DC charging module 210 can be changed the DC power supply unit obtaining for storage battery power supply unit or through AC-DC.
In the present embodiment, charging electric vehicle control circuit 100 comprises: switch element 110, voltage detection module 120 and microprocessor 130.
Aforesaid voltage detection module 120, for detecting in real time the supply power voltage at described charging system and described power brick tie point place;
By presetting predetermined voltage threshold scope, and supply power voltage is adjusted to predetermined voltage threshold scope automatically, make supply power voltage meet all the time electric automobile demand, whole adjustment process is efficient, accurate, has guaranteed charge efficiency and the charging safety of electric automobile.
Preferably, microprocessor 130 also by described charging system 200 and the supply power voltage at power brick tie point place judge whether to be short-circuited, disconnection, overvoltage, the abnormal conditions such as under-voltage, to disconnect in time the charging of charging system, guarantee the safety of power brick in electric automobile.
In the present embodiment, charging electric vehicle control circuit 100 also comprises current detection module 140, current detection module 140 is for detecting in real time the supply current at described charging system and described power brick tie point place, microprocessor 130 is also for when judging that described supply current exceeds predetermined current threshold range, adjust the output current of charging system, to make described supply power voltage be positioned at described predetermined current threshold range.
By presetting the charging demand current value that predetermined current threshold value is power brick in electric automobile, by the supply current and the comparison of predetermined current threshold value that gather, judge whether to meet electric automobile demand, thereby realize the automatic adjusting of the supply current of charging system 200, guarantee that supply current meets the charging demand of electric automobile.
In the present embodiment, microprocessor 130 also by described charging system 200 and the supply current at power brick tie point place judge whether to be short-circuited, the abnormal conditions such as disconnection, overcurrent, undercurrent, to disconnect in time the charging of charging system, guarantee the safety of power brick in electric automobile.
In the present embodiment, charging electric vehicle control circuit 100 also comprises frequency detection module 150, and frequency detection module 150 is for detecting in real time the power supply frequency of described charging system 200 and described power brick junction.
Preferably, voltage detection module 120, current detection module 140, frequency detection module 150 are connected with microprocessor by SPI communication interface.
In the present embodiment, charging electric vehicle control circuit 100 also comprises AC ammeter 160 and DC meter 170.
Wherein, AC ammeter 160 connects described AC charging module and microprocessor 130, for AC network module output electric weight is transferred to microprocessor 130.
Preferably, described AC ammeter 160, DC meter 170 are all connected with microprocessor by RS485 or CAN communication modes, and the energy informations such as charging voltage, electric current, power are sent to microprocessor 130 carry out analyzing and processing.
In the present embodiment, described charging electric vehicle control circuit 100 also comprises the control module 180 being connected between described switch element 110 and microprocessor 130, described control module 180 is for selecting the charge mode of charging system, and described charge mode at least comprises: DC charging pattern, AC charging pattern, immediately charge mode, time delay charge mode, be full of till pattern, default electric weight charge mode and default duration charge mode.
Aforementioned DC charging pattern is specially: before electric automobile access charging system 200, select DC charging.
Aforementioned AC charging pattern is specially: before electric automobile access charging system 200, select AC charging.
Aforementioned charge mode is immediately specially: electric automobile access charging system 200 starts charging.
Aforementioned time delay charge mode is specially: user sets delay time, and charging system 200 starts charging in the predetermined moment.
Till aforementioned being full of, pattern is specially: after batteries of electric automobile is full of electricity or the upper remaining sum of card be designated as at 1 o'clock and automatically finish this time charging.
Aforementioned default electric weight charge mode is specially: user sets this time charge value of charging, when alternating current-direct current combined charging system is remembered charge value to zero or also do not fallen note to zero but battery finishes this time charging while being full of.
Aforementioned default duration charge mode is specially: user sets this time time span of charging, when between alternating current-direct current combined charging system count-down to zero or also do not fall note to zero but battery finishes this time charging while being full of.
By the choice for use of multiple charge mode, improved the suitability of charging system 200, improved the charge efficiency to electric automobile.
In the present embodiment, described DC charging module 210 comprises lightning arrester, contactor, circuit breaker, earth leakage protective device, rectification module and DC-DC charging module.
Similarly, described AC charging module 220 comprises lightning arrester, contactor, circuit breaker, earth leakage protective device.
In the present embodiment, described charging electric vehicle control circuit 100 also comprises the card reader 191, keyboard 192 and the liquid crystal display screen 193 that connect described microprocessor.
Described card reader 191 can read any card that is applicable to financial transaction and storage information, and send the information of card to microprocessor 130 and carry out data processing, the information exchange of finishing dealing with is crossed card reader and writes the memory cell of card, to record charge capacity and Transaction Information.
Described keyboard 192 inputs to microprocessor 130 by user's request parameter, for the input of functional mode selection and charge parameter.
Described liquid crystal display screen 193 carries out the demonstration of charging operations guide, charging process, charging device state, warning information and Transaction Information.
Preferably, described card reader 191 is connected with microprocessor 130 by serial port, and described keyboard 192 is connected with microprocessor by I2C communication interface, and described liquid crystal display screen 193 is connected with microprocessor 130 by system bus or serial port.
In the present embodiment, the communication of microprocessor 130 and cell management system of electric automobile BMS, carries out data according to the CAN agreement of both sides' agreement between microprocessor and battery management system BMS and transmits with mutual.Charging electric vehicle control circuit 100 for monitor charging electric vehicle network normal operation, carry out toll administration, according to the ruuning situation of electrical network and actual needs, regulate the running status of charging electric vehicle network.
In other embodiment of the present invention, within charging electric vehicle control circuit 100 can be built in charging system 200 or electric automobile, improve the operating efficiency of charging electric vehicle control circuit 100.
Compared with prior art, charging electric vehicle control circuit 100 provided by the present invention and apply charging system 200 and the electric automobile of this charging electric vehicle control circuit, the real-time monitoring charging system of supply power voltage by to(for) power brick in electric automobile, supply power voltage is adjusted within the scope of the predetermined voltage threshold of power brick, make the supply power voltage of power brick automatically meet the charging demand of electric automobile, improve the charge efficiency of electric automobile, effectively protect the charging safety of power brick in electric automobile simultaneously, reduce charge fault, there is very strong market significance.
Simultaneously charging system 200 is by combining in same charge bulk by AC and DC charge function, meets the electric automobile user demand of AC charging and fast-speed direct current charging at a slow speed simultaneously, improves the utilization rate of power distribution network efficiency and charging system.And the charging flow of the continuity of this charging flow is compatible Europe superscript IEC 62196 and GB GB/T 20234.3-2011, contingent various situations when taking into full account alternating current-direct current combined charging system and receiving AC charging and DC charging request simultaneously, have rational charging flow.
Be to be understood that, although this specification is described according to execution mode, but be not that each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should make specification as a whole, technical scheme in each execution mode also can, through appropriately combined, form other execution modes that it will be appreciated by those skilled in the art that.
Listed a series of detailed description is above only illustrating for feasibility execution mode of the present invention; they are not in order to limit the scope of the invention, all do not depart from the equivalent execution mode that skill spirit of the present invention does or change and all should be included in protection scope of the present invention within.
Claims (11)
1. an electric automobile alternating current-direct current combined charging control system, for controlling the charging of charging system to power brick in electric automobile, described charging system comprises DC charging module and AC charging module, it is characterized in that, described electric automobile alternating current-direct current combined charging control system comprises:
Switch element, is series between the interior power brick of described electric power system and electric automobile;
Voltage detection module, for detecting in real time the supply power voltage at described charging system and described power brick tie point place;
Microprocessor, for when judging that described supply power voltage exceeds predetermined voltage threshold scope, adjusts the output voltage of charging system, to make described supply power voltage be positioned at described predetermined voltage threshold scope.
2. a kind of electric automobile alternating current-direct current combined charging control system according to claim 1, is characterized in that, also comprises:
Current detection module, for detecting in real time the supply current at described charging system and described power brick tie point place;
Microprocessor, also, for when judging that described supply current exceeds predetermined current threshold range, adjusts the output current of charging system, to make described supply power voltage be positioned at described predetermined current threshold range.
3. a kind of electric automobile alternating current-direct current combined charging control system according to claim 1, is characterized in that, also comprises:
Frequency detection module, for detecting in real time the power supply frequency of described charging system and described power brick junction;
Microprocessor, also for comparing by described power supply frequency and predeterminated frequency threshold value, judge described charging system and described power brick junction active power be whether on the occasion of, if, control described switch element conducting, if not, control described switch element and disconnect.
4. a kind of electric automobile alternating current-direct current combined charging control system according to claim 1, is characterized in that, also comprises:
AC ammeter, connects described AC charging module and microprocessor, for AC network module output electric weight is transferred to microprocessor;
DC meter, connects described DC charging module and microprocessor, for DC charging module output electric weight is transferred to microprocessor.
5. a kind of electric automobile alternating current-direct current combined charging control system according to claim 1, it is characterized in that, comprise the control module being connected between described switch element and microprocessor, described control module is for selecting the charge mode of charging system, and described charge mode at least comprises: DC charging pattern, AC charging pattern, immediately charge mode, time delay charge mode, be full of till pattern, default electric weight charge mode and default duration charge mode.
6. a kind of electric automobile alternating current-direct current combined charging control system according to claim 1, is characterized in that, described microprocessor is one of single-chip microcomputer, DSP device, ARM device and PLC device.
7. a kind of electric automobile alternating current-direct current combined charging control system according to claim 1, is characterized in that, described switch element comprises relay.
8. a kind of electric automobile alternating current-direct current combined charging control system according to claim 1, is characterized in that, described AC charging module comprises lightning arrester, contactor, circuit breaker, earth leakage protective device; Described DC charging module comprises lightning arrester, contactor, circuit breaker, earth leakage protective device, rectification module and DC-DC charging module.
9. a kind of electric automobile alternating current-direct current combined charging control system according to claim 1, is characterized in that, also comprises the card reader, keyboard and the liquid crystal display screen that connect described microprocessor.
10. a charging system, for electric automobile is charged, described charging system comprises DC charging module and AC network module, it is characterized in that, described charging system also comprises the charging electric vehicle control circuit described in any one in aforementioned claim 1 to 9.
11. 1 kinds of electric automobiles, carry out electric power deposit for obtaining battery system electric power, it is characterized in that, described electric automobile also comprises the charging control system of electric automobile described in any one in aforementioned claim 1 to 9.
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| CN201310737028.9A CN103746418A (en) | 2013-12-26 | 2013-12-26 | Electric automobile AC-DC-combined charging control system |
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Cited By (9)
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| CN103956788A (en) * | 2014-04-24 | 2014-07-30 | 陈业军 | Charging device, system and method |
| CN104218644A (en) * | 2014-09-05 | 2014-12-17 | 国家电网公司 | Alternating-direct-current intelligent electromobile integrated charging equipment and control method thereof |
| CN104716645A (en) * | 2015-03-27 | 2015-06-17 | 成都博高科技有限责任公司 | Control method and system for electrical load of charging pile |
| CN104898002A (en) * | 2015-06-23 | 2015-09-09 | 天津市三源新能源电动汽车服务有限公司 | Portable charging module electric energy transition efficiency detection device |
| CN105305577A (en) * | 2015-11-10 | 2016-02-03 | 科大智能电气技术有限公司 | Active intelligent charging pile not based on communication system, and intelligent charging method therefor |
| CN105914818A (en) * | 2016-04-27 | 2016-08-31 | 深圳驿普乐氏科技有限公司 | AC-DC integrated charging pile |
| CN108134419A (en) * | 2017-12-25 | 2018-06-08 | 珠海银隆电器有限公司 | A kind of charging equipment charge control system and charging equipment |
| CN108631385A (en) * | 2017-03-21 | 2018-10-09 | 丰田自动车株式会社 | Server and charging system |
| CN112118982A (en) * | 2018-03-19 | 2020-12-22 | 西门子股份公司 | Charging system for charging an electrical energy store of an electric vehicle and associated method |
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Application publication date: 20140423 |