CN110682818A - Novel universal charging management mechanism for electric automobile - Google Patents
Novel universal charging management mechanism for electric automobile Download PDFInfo
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- CN110682818A CN110682818A CN201911009913.9A CN201911009913A CN110682818A CN 110682818 A CN110682818 A CN 110682818A CN 201911009913 A CN201911009913 A CN 201911009913A CN 110682818 A CN110682818 A CN 110682818A
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- power switch
- charging
- charging pile
- direct current
- alternating current
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- Y02T90/12—Electric charging stations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a novel universal charging management mechanism for an electric automobile, which relates to the field of electric automobile charging and comprises a universal charging system and a charging management mechanism, wherein the universal charging system comprises a power battery, an alternating current/direct current charging pile distinguishing circuit, a power switch module, a vehicle-mounted charging module and a charging pile.
Description
Technical Field
The invention relates to the field of electric automobile charging, in particular to a novel universal charging management mechanism for an electric automobile.
Background
With the increasing environmental protection requirements and the rapid development of electric vehicle technology, the frequency of electric vehicles is increasing, and thus sufficient charging piles need to be prepared for electric vehicles. But not every family is equipped with private charging pile, therefore, public charging pile is vital.
The electric automobile that publicly fills in the market fills electric pile has two kinds of alternating current charging pile and direct current charging pile, and electric automobile wants two kinds of compatible electric piles that fill, then need set up two tunnel interfaces that charge, and the interface that charges of the same kind is as alternating current charging, and another way interface that charges is as direct current charging, not only uses troublesome and extravagant interior space of car and interface cost.
Chinese patent application No. 201410338198.4 discloses an electric vehicle ac/dc charging system and an electric vehicle ac/dc charging method to solve the technical problems of waste of public resources and increase of product cost caused by selection of different charging modes in the prior art. Although the alternating current-direct current charging system in the scheme is only provided with one charging interface, two charging loops are used, and therefore space usage in the vehicle is increased. And the power receiving management module in the automobile in the scheme is matched with the charging management module of the charging pile, so that the charging adaptability of the electric automobile is lower. Meanwhile, the management strategy of the scheme and the scheme is also created for achieving different technical effects.
Disclosure of Invention
The invention aims to provide a novel universal charging management mechanism for an electric automobile, which is characterized in that an alternating current charging pile or a direct current charging pile is distinguished by arranging an alternating current charging pile distinguishing circuit, two charging paths share one charging interface, and the on-off of the two charging paths is selectively controlled by a power switch module, so that the single-interface compatible alternating current-direct current charging is realized, and the two charging paths are connected with one another and closed to ensure safety.
The utility model provides a novel omnipotent charging management mechanism of electric automobile which characterized in that includes: the universal charging system comprises a power battery, an alternating current/direct current charging pile distinguishing circuit, a power switch module, a vehicle-mounted charging module and a charging pile;
the power battery and the charging pile are connected in two ways of charging paths, one way is a direct current path, and the power battery is directly connected with the charging pile through the power switch module;
the other path is an alternating current path, and the power battery is connected with the charging pile sequentially through the vehicle-mounted charging module and the power switch module;
the alternating current and direct current charging pile distinguishing circuit is connected to the power switch module;
the power switch module comprises a first power switch tube and a second power switch tube, the first power switch tube is directly communicated with the alternating current and direct current charging pile distinguishing circuit, the first power switch tube is used for controlling the on-off of a direct current path, the second power switch tube is communicated with the alternating current and direct current charging pile distinguishing circuit through a NOT gate, and the second power switch tube is used for controlling the on-off of an alternating current path;
the charging management mechanism comprises the following steps:
the method comprises the following steps: when the electric automobile is connected into a charging pile for charging, firstly, pre-judgment is carried out, wherein the pre-judgment comprises the steps of judging whether the charging gun is normally contacted with an interface and whether a universal charging system is ready to be finished;
step two: after the judgment is finished, the alternating current/direct current charging pile distinguishing circuit identifies the characteristic voltage of the charging pile, judges whether the charging pile is charged by alternating current or direct current, and triggers a signal to the power switch module after the alternating current/direct current charging pile distinguishing circuit identifies a result;
step three: after the power switch module receives the trigger signal, the power switch module selectively controls the on-off of the direct current path or the alternating current path according to the judgment result of the alternating current/direct current charging pile distinguishing circuit;
if the charging pile is charged through direct current, the power switch module conducts a direct current path and closes an alternating current path;
if the charging 5 is charging through alternating current, the power switch module conducts an alternating current path and cuts off a direct current path;
step four: after charging, the charging pile is powered off firstly, the power switch module is disconnected, and finally the charging gun can be removed.
Preferably, the alternating current/direct current charging pile distinguishing circuit further comprises a power supply line access processing circuit, and the power supply line access processing circuit is used for being connected with the charging pile through a power supply line.
Preferably, the first power switch tube and the second power switch tube include, but are not limited to, SiC and IGBT.
Preferably, in the second step, before the ac/dc charging pile determines that the circuit trigger signal is sent to the power switch module, the power switch module is always turned off, and neither the dc path nor the ac path is turned on.
Preferably, in the third step, if the charging pile is charged by direct current, the alternating current/direct current charging pile distinguishing circuit outputs a high level signal to the power switch module, the high level signal is directly transmitted to the first power switch tube, the first power switch tube is turned on after receiving the high level signal, the high level signal is changed into a low level signal through the not gate and then transmitted to the second power switch tube, and the second power switch tube is turned off continuously;
if the charging pile is charged through alternating current, the alternating current-direct current charging pile distinguishing circuit outputs a low level signal to the power switch module, the low level signal is directly transmitted to the first power switch tube, the first power switch tube is turned off after receiving the low level signal, the low level signal is changed into a high level signal through the NOT gate and then transmitted to the second power switch tube, and the second power switch tube is turned on after receiving the low level signal.
Preferably, an interlock mechanism is arranged between the direct current path and the alternating current path, and when one path is conducted, the other path is necessarily cut off.
The invention has the advantages that: the alternating current and direct current charging pile distinguishing circuit is arranged to distinguish whether the charging pile is an alternating current charging pile or a direct current charging pile, the two charging paths share one charging interface, the on-off of the two charging paths is selected and controlled through the power switch module, the single-interface compatible alternating current and direct current charging is achieved, and the two charging paths are conducted one way and closed on the other way to ensure safety.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic diagram of the internal structure of a power switch module in the system of the present invention;
FIG. 3 is a flow chart of the management mechanism of the present invention;
the charging system comprises a power battery 1, an alternating current/direct current charging pile distinguishing circuit 2-1, a power supply line access processing circuit 3, a power switch module 3-1, a first power switch tube 3-2, a NOT gate 3-3, a second power switch tube 4, a vehicle-mounted charging module 5 and a charging pile.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 3, a novel universal charging management mechanism for an electric vehicle comprises a universal charging system and a charging management mechanism, wherein the universal charging system comprises a power battery 1, an alternating current/direct current charging pile distinguishing circuit 2, a power switch module 3, a vehicle-mounted charging module 4 and a charging pile 5; power battery 1, alternating current-direct current fill electric pile and distinguish circuit 2, power switch module 3 and on-vehicle module 4 that charges for electric automobile internal device, fill electric pile 5 and be external equipment, fill electric pile 5's the rifle that charges and insert the interface that charges after, fill electric pile 5 and be connected with power switch module 3.
Two charging paths are shared between the power battery 1 and the charging pile 5, one path is a direct current path, and the power battery 1 is directly connected with the charging pile 5 through the power switch module 3; when charging pile 5 is a direct current charging pile, power battery 1 is directly charged through a direct current path.
The other path is an alternating current path, and the power battery 1 is connected with the charging pile 5 sequentially through the vehicle-mounted charging module 4 and the power switch module 3; when the charging pile 5 is an alternating current charging pile, the power battery 1 is charged through the alternating current path and the vehicle-mounted charging module 4.
The alternating current and direct current charging pile distinguishing circuit 2 is connected to the power switch module 3;
the power switch module 3 comprises a first power switch tube 3-1 and a second power switch tube 3-3, the first power switch tube 3-1 is directly communicated with the alternating current and direct current charging pile distinguishing circuit 2, the first power switch tube 3-1 is used for controlling the on-off of a direct current path, the second power switch tube 3-3 is communicated with the alternating current and direct current charging pile distinguishing circuit 2 through a NOT gate 3-2, and the second power switch tube 3-3 is used for controlling the on-off of an alternating current path; the second power switch tube 3-3 is connected with the not gate 3-2, so the switching states of the first power switch tube 3-1 and the second power switch tube 3-3 are necessarily opposite, and when one is switched on, the other is necessarily switched off.
The charging management mechanism comprises the following steps:
the method comprises the following steps: when the electric automobile is connected into the charging pile 5 for charging, firstly, the electric automobile is judged in advance, wherein the judgment comprises the steps of judging whether a charging gun and an interface are normal or not and judging whether a universal charging system is ready to be completed or not;
step two: after the judgment is passed, the alternating current and direct current charging pile distinguishing circuit 2 identifies the characteristic voltage of the charging pile 5, judges whether the charging pile 5 is charged through alternating current or direct current, and triggers a signal to the power switch module 3 after the alternating current and direct current charging pile distinguishing circuit 2 identifies a result;
step three: after receiving the trigger signal, the power switch module 3 selectively controls the on-off of the direct current path or the alternating current path according to the judgment result of the alternating current/direct current charging pile distinguishing circuit 2;
if the charging pile 5 is charged by direct current, the power switch module 3 conducts a direct current path and cuts off an alternating current path;
if the charging pile 5 is charged by alternating current, the power switch module 3 conducts an alternating current path and cuts off a direct current path;
step four: after the charging is completed, the charging pile 5 is powered off first, the power switch module 3 is disconnected again, and finally the charging gun can be removed. When a charging gun is inserted into a charging interface of an electric automobile, a universal charging system is automatically activated to start preparation, a power switch module 3 is connected with a charging pile 5, an alternating current-direct current charging pile distinguishing circuit 2 starts to identify the type of the charging pile 5 and sends high and low level signals to the power switch module 3 according to an identification result, the switch module 3 is always kept in a turn-off state before receiving the signals, and a direct current path and an alternating current path are both disconnected.
The alternating current and direct current charging pile distinguishing circuit 2 further comprises a power supply line access processing circuit 2-1 which is used for being connected with the charging pile 5 through a power supply line. The power supply line access processing circuit 2-1 is connected with the charging pile 5 through the power switch module 3.
The first power switch tube 3-1 and the second power switch tube 3-3 include, but are not limited to, SiC and IGBT. The IGBT is preferable, and stability and safety are achieved.
In the second step, before the alternating current/direct current charging pile identification circuit 2 triggers a signal to the power switch module 3, the power switch module 3 is always turned off, and the direct current path and the alternating current path are not conducted. The above operation is to ensure safety and to prevent access to the wrong loop.
In the third step, if the charging pile 5 is charged by direct current, the alternating current/direct current charging pile distinguishing circuit 2 outputs a high level signal to the power switch module 3, the high level signal is directly transmitted to the first power switch tube 3-1, the first power switch tube 3-1 is switched on after receiving the high level signal, the high level signal is changed into a low level signal through the NOT gate 3-2 and then transmitted to the second power switch tube 3-3, and the second power switch tube 3-3 is continuously switched off;
if the charging pile 5 is charged through alternating current, the alternating current-direct current charging pile distinguishing circuit 2 outputs a low level signal to the power switch module 3, the low level signal is directly transmitted to the first power switch tube 3-1, the first power switch tube 3-1 is turned off after receiving the low level signal, the low level signal is changed into a high level signal through the NOT gate 3-2 and then transmitted to the second power switch tube 3-3, and the second power switch tube 3-3 is turned on after receiving the high level signal. The second power switch tube 3-3 is connected with the NOT gate 3-2, so that the switching states of the first power switch tube 3-1 and the second power switch tube 3-3 are necessarily opposite, and one is necessarily switched off when the other is switched on, thereby realizing an interlocking mechanism and ensuring safety.
An interlocking mechanism is arranged between the direct current path and the alternating current path, and when one path is conducted, the other path is necessarily cut off. The safety is ensured, and the wrong charging path is prevented from being accessed.
The specific implementation mode and principle are as follows:
when the electric automobile is charged, after the charging gun is inserted into a charging interface of the electric automobile, the universal charging system is automatically activated to start preparation;
firstly, the judgment is carried out in advance, the judgment comprises the steps of judging whether a charging gun and an interface are normal or not and judging whether a universal charging system is ready or not, after the preparation is completed, the alternating current-direct current charging pile distinguishing circuit 2 starts to identify the characteristic voltage of the charging pile 5, the charging pile 5 is judged whether to be charged through alternating current or direct current, the power switch module 3 is always kept in a turn-off state in the process, and a direct current circuit and an alternating current circuit are both disconnected.
If the alternating current/direct current charging pile distinguishing circuit 2 judges that the charging pile 5 is charged by direct current, the alternating current/direct current charging pile distinguishing circuit 2 triggers a high level signal to the power switch module 3, the high level signal is directly transmitted to the first power switch tube 3-1, the first power switch tube 3-1 is conducted after receiving the high level signal, the high level signal is changed into a low level signal through the NOT gate 3-2 and then transmitted to the second power switch tube 3-3, and the second power switch tube 3-3 is continuously turned off, so that the power switch module 3 conducts a direct current path and continuously turns off an alternating current path to carry out direct current charging;
if the alternating current/direct current charging pile distinguishing circuit 2 judges that the charging pile 5 is charged by alternating current, the alternating current/direct current charging pile distinguishing circuit 2 outputs a low level signal to the power switch module 3, the low level signal is directly transmitted to the first power switch tube 3-1, the first power switch tube 3-1 is turned off after receiving the low level signal, the low level signal is changed into a high level signal through the NOT gate 3-2 and then transmitted to the second power switch tube 3-3, and the second power switch tube 3-3 is turned on after receiving the high level signal, so that the power switch module 3 is turned on in an alternating current path and continues to turn off the direct current path to charge the alternating current.
After charging is completed, the charging pile 5 is powered off firstly, after the charging pile 5 is powered off, the power switch module 3 is automatically switched off, the first power switch tube 3-1 and the second power switch tube 3-3 are both reset to a disconnected state, and finally the charging gun is removed.
Based on the above, the alternating current/direct current charging pile distinguishing circuit is arranged to distinguish whether the charging pile is the alternating current charging pile or the direct current charging pile, the two charging paths share one charging interface, the power switch module is used for selectively controlling the on-off of the two charging paths, the single-interface compatible alternating current/direct current charging is realized, and the two charging paths are switched on and off, so that the safety is ensured.
It will be appreciated by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (6)
1. The utility model provides a novel omnipotent charging management mechanism of electric automobile which characterized in that includes: the universal charging system comprises a power battery (1), an alternating current/direct current charging pile distinguishing circuit (2), a power switch module (3), a vehicle-mounted charging module (4) and a charging pile (5);
two charging paths are shared between the power battery (1) and the charging pile (5), one path is a direct current path, and the power battery (1) is directly connected with the charging pile (5) through the power switch module (3);
the other path is an alternating current path, and the power battery (1) is connected with the charging pile (5) through the vehicle-mounted charging module (4) and the power switch module (3) in sequence;
the alternating current and direct current charging pile distinguishing circuit (2) is connected to the power switch module (3);
the power switch module (3) comprises a first power switch tube (3-1) and a second power switch tube (3-3), the first power switch tube (3-1) is directly communicated with the alternating current and direct current charging pile distinguishing circuit (2), the first power switch tube (3-1) is used for controlling the on-off of a direct current path, the second power switch tube (3-3) is communicated with the alternating current and direct current charging pile distinguishing circuit (2) through a NOT gate (3-2), and the second power switch tube (3-3) is used for controlling the on-off of an alternating current path;
the charging management mechanism comprises the following steps:
the method comprises the following steps: when the electric automobile is connected into a charging pile (5) for charging, firstly, pre-judgment is carried out, wherein the pre-judgment comprises the judgment of whether the charging gun is normally contacted with an interface and whether a universal charging system is ready to be finished;
step two: after the judgment is finished, the alternating current and direct current charging pile distinguishing circuit (2) identifies the characteristic voltage of the charging pile (5), judges whether the charging pile (5) is charged through alternating current or direct current, and triggers a signal to the power switch module (3) after the alternating current and direct current charging pile distinguishing circuit (2) identifies a result;
step three: after the power switch module (3) receives the trigger signal, the on-off of the direct current path or the alternating current path is selected to be controlled according to the judgment result of the alternating current/direct current charging pile distinguishing circuit (2);
if the charging pile (5) is charged by direct current, the power switch module (3) conducts a direct current path and cuts off an alternating current path;
if the charging pile (5) is charged by alternating current, the power switch module (3) conducts an alternating current path and cuts off a direct current path;
step four: after charging, the charging pile (5) is powered off first, the power switch module (3) is disconnected again, and finally the charging gun can be removed.
2. The novel universal charging management mechanism for electric vehicles according to claim 1, wherein: the alternating current and direct current charging pile distinguishing circuit (2) further comprises a power supply line access processing circuit (2-1) which is used for being connected with the charging pile (5) through a power supply line.
3. The novel universal charging management mechanism for electric vehicles according to claim 1, wherein: the first power switch tube (3-1) and the second power switch tube (3-3) comprise SiC and IGBT, but are not limited to SiC and IGBT.
4. The novel universal charging management mechanism for electric vehicles according to claim 1, wherein: in the second step, before the alternating current/direct current charging pile distinguishing circuit (2) triggers a signal to the power switch module (3), the power switch module (3) is always turned off, and the direct current path and the alternating current path are not conducted.
5. The novel universal charging management mechanism for electric vehicles according to claim 4, wherein: in the third step, if the charging pile (5) is charged by direct current, the alternating current/direct current charging pile distinguishing circuit (2) outputs a high level signal to the power switch module (3), the high level signal is directly transmitted to the first power switch tube (3-1), the first power switch tube (3-1) is switched on after receiving the high level signal, the high level signal is changed into a low level signal through the NOT gate (3-2) and then is transmitted to the second power switch tube (3-3), and the second power switch tube (3-3) is continuously switched off;
if the charging pile (5) is charged through alternating current, the alternating current-direct current charging pile distinguishing circuit (2) outputs a low level signal to the power switch module (3), the low level signal is directly transmitted to the first power switch tube (3-1), the first power switch tube (3-1) is turned off after receiving the low level signal, the low level signal is changed into a high level signal through the NOT gate (3-2) and then transmitted to the second power switch tube (3-3), and the second power switch tube (3-3) is turned on after receiving the high level signal.
6. The novel universal charging management mechanism for electric vehicles according to claim 1, wherein: an interlocking mechanism is arranged between the direct current path and the alternating current path, and when one path is conducted, the other path is necessarily cut off.
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| CN201911009913.9A CN110682818A (en) | 2019-10-23 | 2019-10-23 | Novel universal charging management mechanism for electric automobile |
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| CN201911009913.9A CN110682818A (en) | 2019-10-23 | 2019-10-23 | Novel universal charging management mechanism for electric automobile |
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| CN108733281A (en) * | 2018-04-08 | 2018-11-02 | 深圳先搜科技有限公司 | A kind of image interception method, system and terminal device |
| CN108819779A (en) * | 2018-07-06 | 2018-11-16 | 北京新能源汽车股份有限公司 | A kind of charging system and electric car |
| CN108909494A (en) * | 2018-07-06 | 2018-11-30 | 北京新能源汽车股份有限公司 | A kind of charging system and electric car |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5640076A (en) * | 1993-12-07 | 1997-06-17 | Hyundai Motor Company | Device and a method for charging a battery to input a direct or an alternating current |
| KR20180069427A (en) * | 2016-12-15 | 2018-06-25 | 현대자동차주식회사 | Charger |
| CN206908337U (en) * | 2017-06-16 | 2018-01-19 | 武汉科华动力科技有限公司 | A kind of AC/D.C. compatible on-board charging system |
| CN108733281A (en) * | 2018-04-08 | 2018-11-02 | 深圳先搜科技有限公司 | A kind of image interception method, system and terminal device |
| CN108819779A (en) * | 2018-07-06 | 2018-11-16 | 北京新能源汽车股份有限公司 | A kind of charging system and electric car |
| CN108909494A (en) * | 2018-07-06 | 2018-11-30 | 北京新能源汽车股份有限公司 | A kind of charging system and electric car |
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