CN111386209A - Vehicle-mounted charger, manufacturing method thereof and vehicle-mounted charger system - Google Patents
Vehicle-mounted charger, manufacturing method thereof and vehicle-mounted charger system Download PDFInfo
- Publication number
- CN111386209A CN111386209A CN201980004989.4A CN201980004989A CN111386209A CN 111386209 A CN111386209 A CN 111386209A CN 201980004989 A CN201980004989 A CN 201980004989A CN 111386209 A CN111386209 A CN 111386209A
- Authority
- CN
- China
- Prior art keywords
- charging
- circuit
- direct
- switch protection
- vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 93
- 238000007599 discharging Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 238000004891 communication Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Images
Classifications
-
- 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
- B60L53/20—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 characterised by converters located in the vehicle
- B60L53/22—Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
-
- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- 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
-
- 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
-
- 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
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The application discloses vehicle-mounted charger, a manufacturing method and a vehicle-mounted charger system, and the vehicle-mounted charger system comprises a control circuit, an alternating current charging processing circuit and a charging switch protection circuit, wherein the control circuit is connected with the alternating current charging processing circuit and the charging switch protection circuit, and the alternating current charging processing circuit is connected with the charging switch protection circuit. According to the embodiment of the application, the direct-current charging function and the alternating-current charging function are integrated in the vehicle-mounted charger, so that the vehicle-mounted charger becomes a control and conversion center of the battery and the external energy, a battery management system BMS is liberated, and the local network structure and the direct-current power route of the vehicle control unit are optimized.
Description
Technical Field
The application relates to the technical field of electric automobile charging, in particular to a vehicle-mounted charger, a manufacturing method of the vehicle-mounted charger and a vehicle-mounted charger system.
Background
In recent years, new energy sources have been gradually introduced in the fields of automobile manufacturing and application in order to protect the environment and reduce the use of non-renewable resources. Electric vehicles are the main force of new energy vehicles, and are further divided into pure electric vehicles, hybrid electric vehicles and fuel cell vehicles. As new energy vehicles become an important development direction of the vehicle industry in the future, vehicle-mounted electronic devices (such as DC/DC converters and integrated vehicle-mounted chargers) tend to be miniaturized, integrated and high-power-intensive. At present, the integrated vehicle-mounted charger circuit has realized the function of charging a power battery pack or a storage battery through commercial power, but the function is single, and the diversified use requirements of the integrated charger in future scenes are difficult to meet.
Disclosure of Invention
The embodiment of the application provides a vehicle-mounted charger, a manufacturing method of the vehicle-mounted charger and a vehicle-mounted charger system.
A first aspect of an embodiment of the present application provides a vehicle-mounted charger, including a control circuit, an ac charging processing circuit, and a charging switch protection circuit, where the control circuit is connected to the ac charging processing circuit and the charging switch protection circuit, and the ac charging processing circuit is connected to the charging switch protection circuit;
the control circuit is used for connecting the battery management system BMS and the vehicle control unit; the charging switch protection circuit is used for connecting the direct current charging pile, the high-voltage battery and the low-voltage battery; the charging switch protection circuit supports a direct current fast charging mode and a direct current slow charging mode;
when the charging switch protection circuit supports the direct-current quick charging mode, the charging switch protection circuit is connected with the direct-current charging pile and the high-voltage battery, or the charging switch protection circuit is connected with the direct-current charging pile and the low-voltage battery;
when the charging switch protection circuit supports the direct-current slow charging mode, the charging switch protection circuit is connected with the direct-current charging pile and the high-voltage battery, or the charging switch protection circuit is connected with the direct-current charging pile and the low-voltage battery.
In one embodiment, the charge switch protection circuit includes a first relay, a second relay; the control circuit is connected with the first relay and the second relay, the first relay and the second relay are connected with a direct current charging input port and a charging output port of the vehicle-mounted charger in parallel, the direct current charging input port is used for being connected with a direct current charging pile, and the charging output port is used for being connected with the high-voltage battery;
the control circuit is also connected with the direct current charging input port to identify a charging mode of direct current charging connected with the direct current charging input port, wherein the charging mode comprises a direct current fast charging mode and a direct current slow charging mode;
the charging output port is also connected with the alternating current charging processing circuit so as to transmit direct current obtained by processing alternating current by the alternating current charging processing circuit to the high-voltage battery.
In one embodiment, the charge switch protection circuit further comprises a first fuse device, a second fuse device, and a filter circuit; the first relay is connected with the input end of the filter circuit through the first safety device; the second relay is connected with the input end of the filter circuit through the second fuse device; the output end of the filter circuit is connected with the charging output port;
the input end of the filter circuit is also used for connecting the alternating current charging processing circuit, so that the alternating current charging processing circuit is connected with the charging output port through the filter circuit.
In one embodiment, the filtering circuit includes a first filtering circuit, a second filtering circuit, and a selection control module; the selection control module is connected with the first insurance device, the second insurance device and the alternating current charging processing circuit, the selection control module is further connected with the input end of the first filter circuit and the input end of the second filter circuit, and the output end of the first filter circuit and the output end of the second filter circuit are connected with the charging output port.
In one embodiment, the alternating current charging processing circuit comprises a first micro control unit, a second micro control unit, a third micro control unit, a rectifying processing circuit, a first DC/DC circuit, a second DC/DC circuit and a low-voltage interface circuit; the first micro control unit is connected with the second micro control unit, the third micro control unit and the rectification processing circuit; the rectification processing circuit is connected with the first DC/DC circuit and can be connected with the alternating current charging pile; the first DC/DC circuit is connected with the high-voltage battery, the second micro control unit and the second DC/DC circuit; the second micro control unit MCU is connected with the high-voltage battery; the second DC/DC circuit is connected with the third micro control unit and the low-voltage battery, and the third micro control unit is connected with the low-voltage interface circuit.
In one embodiment, the rectification processing circuit comprises a first diode, a second diode, a third diode and a fourth diode, wherein the anode of the first diode is connected with the cathode of the third diode, a first input end of the rectification module is arranged between the anode of the first diode and the cathode of the third diode, the anode of the second diode is connected with the cathode of the fourth diode, a second input end of the rectification module is arranged between the anode of the second diode and the cathode of the fourth diode, the cathode of the first diode and the cathode of the second diode are connected together and output to a direct current bus, and the anode of the third diode and the anode of the fourth diode are connected together and connected with the ground.
In one embodiment, the vehicle-mounted charger further comprises a charging and discharging and power conversion assembly; the input end of the charging, discharging and power conversion assembly is connected with the alternating current charging processing circuit, the charging switch protection circuit, the low-voltage battery and the high-voltage battery; the output end of the charging, discharging and power conversion assembly is connected with the fan, the air conditioner, the thermistor PTC and the motor.
A second aspect of the embodiment of the present application provides a vehicle-mounted charger system, which includes the vehicle-mounted charger.
The vehicle-mounted charging system comprises a vehicle control unit, a battery management system BMS, a high-voltage battery, a vehicle-mounted charger and a low-voltage battery;
the vehicle control unit is connected with the vehicle-mounted charger, the battery management system BMS is connected with the vehicle-mounted charger, the high-voltage battery is connected with the vehicle-mounted charger, the vehicle-mounted charger is connected with the low-voltage battery, and the vehicle-mounted charger is also used for being connected with an external direct-current charging pile and an external alternating-current charging pile.
In one embodiment, the vehicle-mounted charger comprises a control circuit, an alternating current charging processing circuit and a charging switch protection circuit, wherein the control circuit is connected with the alternating current charging processing circuit and the charging switch protection circuit, and the alternating current charging processing circuit is connected with the charging switch protection circuit;
the control circuit is connected with the battery management system BMS and the vehicle control unit; the alternating current charging processing circuit is connected with the high-voltage battery, the low-voltage battery and the alternating current charging pile; the charging switch protection circuit is connected with the high-voltage battery and the low-voltage battery and is used for connecting a direct-current charging pile; the charging switch protection circuit supports a direct current fast charging mode and a direct current slow charging mode.
When the charging switch protection circuit supports the direct-current quick charging mode, the charging switch protection circuit is connected with the direct-current charging pile and the high-voltage battery, or the charging switch protection circuit is connected with the direct-current charging pile and the low-voltage battery;
when the charging switch protection circuit supports the direct-current slow charging mode, the charging switch protection circuit is connected with the direct-current charging pile and the high-voltage battery, or the charging switch protection circuit is connected with the direct-current charging pile and the low-voltage battery.
In one embodiment, the charge switch protection circuit includes a first relay, a second relay; the control circuit is connected with the first relay and the second relay, the first relay and the second relay are connected with a direct current charging input port and a charging output port of the vehicle-mounted charger in parallel, the direct current charging input port is used for being connected with a direct current charging pile, and the direct current charging output port is connected with the high-voltage battery;
the control circuit is also connected with the direct current charging input port to identify a charging mode of direct current charging connected with the direct current charging input port, wherein the charging mode comprises a direct current fast charging mode and a direct current slow charging mode;
the charging output port is also connected with the alternating current charging processing circuit so as to transmit direct current obtained by processing alternating current by the alternating current charging processing circuit to the high-voltage battery.
A third aspect of the embodiments of the present application provides a method for manufacturing a vehicle-mounted battery charger, which is applied to a vehicle-mounted battery charger including a control circuit, an ac charging processing circuit, and a charging switch protection circuit, wherein:
connecting the control circuit with the alternating current charging processing circuit and the charging switch protection circuit;
connecting the alternating current charging processing circuit with the charging switch protection circuit;
the control circuit is used for connecting the battery management system BMS and the vehicle control unit; the charging switch protection circuit is used for connecting the direct current charging pile, the high-voltage battery and the low-voltage battery; the charging switch protection circuit supports a direct current fast charging mode and a direct current slow charging mode;
when the charging switch protection circuit supports the direct-current quick charging mode, the charging switch protection circuit is connected with the direct-current charging pile and the high-voltage battery, or the charging switch protection circuit is connected with the direct-current charging pile and the low-voltage battery;
when the charging switch protection circuit supports the direct-current slow charging mode, the charging switch protection circuit is connected with the direct-current charging pile and the high-voltage battery, or the charging switch protection circuit is connected with the direct-current charging pile and the low-voltage battery.
The embodiment of the application has the following beneficial effects:
in the application, the vehicle-mounted charger comprises a control circuit, an alternating current charging processing circuit and a charging switch protection circuit, wherein the control circuit is connected with the alternating current charging processing circuit and the charging switch protection circuit, and the alternating current charging processing circuit is connected with the charging switch protection circuit; the control circuit is used for connecting the battery management system BMS and the vehicle control unit; the charging switch protection circuit is used for connecting the direct current charging pile, the high-voltage battery and the low-voltage battery; the charging switch protection circuit supports a direct current fast charging mode and a direct current slow charging mode; when the charging switch protection circuit supports the direct-current quick charging mode, the charging switch protection circuit is connected with the direct-current charging pile and the high-voltage battery, or the charging switch protection circuit is connected with the direct-current charging pile and the low-voltage battery; when the charging switch protection circuit supports the direct-current slow charging mode, the charging switch protection circuit is connected with the direct-current charging pile and the high-voltage battery, or the charging switch protection circuit is connected with the direct-current charging pile and the low-voltage battery. Therefore, the detection and control functions of the charger are expanded, the charger can control direct-current quick charging besides the alternating-current slow charging function, the interaction process of the direct-current charging pile and the battery management system BMS is omitted, the functions of the battery management system BMS are further liberated, and the local area network and the direct-current power line of the whole vehicle controller are optimized. The problem of traditional integrated on-vehicle machine that charges function singleness, be difficult to satisfy the diversified user demand of integrated on-vehicle machine that charges in the scene of future is solved.
These and other aspects of the present application will be more readily apparent from the following description of the embodiments.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the background art of the present application, the drawings referred to in the embodiments or the background art of the present application will be briefly described below.
Reference will now be made in brief to the accompanying drawings, to which embodiments of the present application relate.
Fig. 1 is a schematic diagram of a vehicle-mounted charger according to an embodiment of the present application;
FIG. 2 is a schematic diagram of the filter circuit shown in FIG. 1;
FIG. 3 is a schematic diagram of the AC charging processing circuit shown in FIG. 1;
FIG. 4 is a schematic diagram of the rectification processing circuit shown in FIG. 3;
fig. 5 is a schematic diagram of a vehicle-mounted charger system according to an embodiment of the present application;
fig. 6 is a schematic flow chart of a manufacturing method of a vehicle-mounted charger according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The following are detailed below.
The terms "first," "second," "third," and "fourth," etc. in the description and claims of this application and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
In a commonly used on-board OBC solution, the OBC is generally provided independently of the DC/DC converter, which, although saving part of the structural components and port wiring, still requires a large number of electrical components, and is costly, bulky and less integrated. The power battery pack transfers energy to the DC/DC main transformer through the EMC filter circuit on the DC/DC output side and the circuit of the DC/DC input side switch, and transfers the energy to the storage battery through the DC/DC main transformer and the filter circuit on the DC/DC output side. The existing electric integration scheme can only realize the single function of battery charging and can not meet the practical diversity requirement.
In view of the above problems, an embodiment of the present application provides a vehicle-mounted charger system and a vehicle-mounted charger, where the vehicle-mounted charger includes a control circuit, an ac charging processing circuit and a charging switch protection circuit, the control circuit is connected to the ac charging processing circuit and the charging switch protection circuit, the ac charging processing circuit is connected to the charging switch protection circuit, where:
the control circuit is used for connecting the battery management system BMS and the vehicle control unit; the charging switch protection circuit is used for connecting the direct current charging pile, the high-voltage battery and the low-voltage battery; the charging switch protection circuit supports a direct current fast charging mode and a direct current slow charging mode; when the charging switch protection circuit supports the direct-current quick charging mode, the charging switch protection circuit is connected with the direct-current charging pile and the high-voltage battery, or the charging switch protection circuit is connected with the direct-current charging pile and the low-voltage battery; when the charging switch protection circuit supports the direct-current slow charging mode, the charging switch protection circuit is connected with the direct-current charging pile and the high-voltage battery, or the charging switch protection circuit is connected with the direct-current charging pile and the low-voltage battery. Therefore, the detection and control functions of the charger are expanded, the charger can control direct-current quick charging besides the alternating-current slow charging function, the interaction process of the direct-current charging pile and the battery management system BMS is omitted, the functions of the battery management system BMS are further released, and the local area network and the direct-current power line of the whole vehicle controller are optimized. The problem of traditional integrated on-vehicle machine that charges function singleness, be difficult to satisfy the diversified user demand of integrated on-vehicle machine that charges in the scene of future is solved.
Embodiments of the present application will be described below with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a schematic diagram of a vehicle-mounted charger 100 according to an embodiment of the present disclosure, where the vehicle-mounted charger 100 includes a control circuit 110, an ac charging processing circuit 120, and a charging switch protection circuit 130, where:
the control circuit 110 is used for connecting the battery management system BMS200 and the vehicle controller 400; the alternating current charging processing circuit 120 is used for connecting an alternating current charging pile, a low-voltage battery 500 and the high-voltage battery 300 through the charging switch protection circuit 130, and the charging switch protection circuit 130 is used for connecting a direct current charging pile, the high-voltage battery 300 and the low-voltage battery 500; the charging switch protection circuit supports a direct current fast charging mode and a direct current slow charging mode;
when the charging switch protection circuit 130 supports the dc fast charging mode, the charging switch protection circuit 130 is connected to the dc charging pile and the high-voltage battery 300, or the charging switch protection circuit 130 is connected to the dc charging pile and the low-voltage battery 500;
when the charging switch protection circuit 130 supports the dc slow charging mode, the charging switch protection circuit 130 is connected to the dc charging pile and the high voltage battery 300, or the charging switch protection circuit 130 is connected to the dc charging pile and the low voltage battery 500.
As a possible implementation, referring to fig. 1, the charge switch protection circuit 130 includes a first relay K1, a second relay K2; the control circuit 110 is connected with the first relay K1 and the second relay K2, the first relay K1 and the second relay K2 are connected in parallel with a direct current charging input port T1 and a charging output port T2 of the vehicle-mounted charger 100, the direct current charging input port T1 is used for connecting a direct current charging pile, and the charging output port T2 is used for connecting the high-voltage battery 300;
the control circuit 110 is further connected to the dc charging input port T1 to identify a charging mode of the dc charging post connected to the dc charging input port T1, wherein the charging mode includes the dc fast charging mode and the dc slow charging mode;
the charging output port T2 is further connected to the ac charging processing circuit 120, so as to transmit the dc current obtained by processing the ac current by the ac charging processing circuit 120 to the high-voltage battery 300.
The control circuit 110 is connected with the dc charging input port T1 to detect input dc power, voltage, current or communication signal to determine whether the current charging mode is the dc fast charging mode or the dc slow charging mode, and if the current charging mode is the dc fast charging mode, the control circuit 110 controls the first relay K1 to be turned on, and K2 is turned off; if the DC slow charging mode is set, the control circuit 110 controls the first relay K1 to be turned on, and K2 is turned off.
For example, when a user charges through the dc charging pile, a current signal flows in through the dc charging input port T1, after the control circuit 110 detects a current signal of the dc charging input port T1, it determines whether the current signal is in the dc fast charging mode or the dc slow charging mode according to information in the current signal, or after the control circuit 110 detects a current signal of the dc charging input port T1, the control circuit interacts with the dc charging pile to determine whether the current signal is in the dc fast charging mode or the dc slow charging mode, or the user may manually select whether the charging mode is in the dc fast charging mode or the dc slow charging mode, a selection signal generated after the user selects is sent to the vehicle controller 400, the vehicle controller 400 sends the selection signal to the control circuit 110 of the vehicle-mounted charger 100, and the control circuit 110 controls the vehicle controller; if the charging mode is the direct-current quick charging mode, the control circuit 110 switches on a circuit where the first relay K1 is located, and a current signal reaches the charging output port T2 through the first relay K1, the first fuse device F1 and the filter circuit 131; if the charging mode is the direct current slow charging mode, the control circuit switches on a circuit where the second relay K2 is located, and a current signal reaches the charging output port T2 through the second relay K2, the second fuse device F2 and the filter circuit 131; the charging output port T2 selects the current signal to be transmitted to the low-voltage battery 500 or the high-voltage battery 300 according to the control signal transmitted by the control circuit 110; or the user may manually select the current charging mode, which includes the high-voltage battery charging mode and the low-voltage battery charging mode, and after the user selects the current charging mode, the user transmits the selection signal to the vehicle controller 400, the vehicle controller 400 transmits the signal to the control circuit 110 of the vehicle-mounted charger 100, and the control circuit 110 controls the charging output port T2 to turn on the corresponding circuit, and transmits the current signal to the high-voltage battery 300 or the low-voltage battery 500.
As can be seen, in this example, the control circuit 110 can effectively communicate with the dc charging pile to identify the charging mode of the dc charging, and then pertinently enable the corresponding circuit, thereby ensuring the transmission efficiency of the circuit in different modes. Meanwhile, the control circuit 110 can interact with the direct-current charging pile, and the vehicle-mounted charger 100 comprises the control circuit 110, so that the battery management system BMS200 and the vehicle controller 400 can realize necessary communication only by being connected with the vehicle-mounted charger 100, and are not required to be in communication connection with the direct-current charging pile, and a communication network of the vehicle-mounted charger 100 is simplified.
As a possible implementation manner, referring to fig. 1, the charge switch protection circuit 130 further includes a first fuse device F1, a second fuse device F2, and a filter circuit 131; the first relay K1 is connected with the input end of the filter circuit 131 through the first safety device F1; the second relay K2 is connected to the input terminal of the filter circuit 131 through the second fuse element F2; the output end of the filter circuit 131 is connected to the charging output port T2;
the input end of the filter circuit 131 is further configured to be connected to the ac charging processing circuit 120, so that the ac charging processing circuit 120 is connected to the charging output port T2 through the filter circuit 131.
Therefore, in the example, the safety device is added to ensure the safety of the circuit in the current transmission process, and the direct current charging process and the alternating current charging process are completed through the same filter circuit, so that the current transmission quality is ensured, and the circuit of the vehicle-mounted charger is simplified.
Referring to fig. 2, fig. 2 is a schematic diagram of the filter circuit 131 in fig. 1, where the filter circuit includes a first filter circuit 132, a second filter circuit 133, and a selection control module 134; the selection control module 134 is connected to the first fuse device F1, the second fuse device F2 and the ac charging processing circuit 120 in fig. 1, the selection control module 134 is further connected to an input terminal of the first filter circuit 132 and an input terminal of the second filter circuit 133, and an output terminal of the first filter circuit 132 and an output terminal of the second filter circuit 133 are connected to the charging output port T2.
The selection control module 134 first detects whether the current charging current is from the circuit connected to the fuse or the ac charging processing circuit 120, and if the current charging current is from the circuit connected to the first fuse F1 and the circuit connected to the second fuse F2, selects the first filter circuit 132 and turns on the circuit connected to the first filter circuit 132; if the present charging current is from the ac charging processing circuit 120, the second filter circuit 133 is selected and the circuit connected to the second filter circuit 133 is turned on.
As a possible implementation manner, please refer to fig. 3, fig. 3 is a schematic diagram of the ac charging processing circuit 120 in fig. 1, in which the ac charging processing circuit 120 includes a first micro control unit 121, a second micro control unit 122, a third micro control unit 123, a rectifying processing circuit 124, a first DC/DC circuit 125, a second DC/DC circuit 126, and a low voltage interface circuit 127; the first micro control unit 121 is connected to the second micro control unit 122, the third micro control unit 123 and the rectification processing circuit 124; the rectification processing circuit 124 is connected with the first DC/DC circuit 125 and can be connected with the alternating current charging pile; the first DC/DC circuit 125 is connected to the high voltage battery 300, the second micro control unit 122 and the second DC/DC circuit 126; the second micro control unit 122 is connected with the high-voltage battery 300; the second DC/DC circuit 126 is connected to the third micro control unit 123 and the low voltage battery 500, and the third micro control unit 123 is connected to the low voltage interface circuit 127.
The second micro control unit 122 and the third micro control unit 123 perform real-time monitoring and sampling on the DC/DC circuit, and adjust the DC/DC circuit according to actual voltage and current conditions.
For example, after the vehicle-mounted charger is connected to the ac charging post, the ac power output by the ac charging post is transmitted to the ac charging processing circuit 120 of the vehicle-mounted charger through the ac charging wire, the rectifying processing circuit 124 in the ac charging processing circuit 120 first rectifies the ac power, the rectified ac power is converted into DC power, the DC power is then transmitted to the power factor correction circuit to improve the power factor of the electric equipment, and then the DC power is transformed by the first DC/DC circuit 125 and then transmitted to the high voltage battery 300 or transmitted to the second DC/DC circuit 126, and then transformed by the second DC/DC circuit 126 and transmitted to the low voltage battery 500.
Referring to fig. 4, fig. 4 is a schematic diagram of the rectification processing circuit 124 shown in fig. 3 as a possible implementation manner. The rectification processing circuit 124 comprises a first diode D1, a second diode D2, a third diode D3 and a fourth diode D4, wherein an anode of the first diode D1 is connected with a cathode of the third diode D3, a first input end 241 of the rectification module is arranged between an anode of the first diode D1 and a cathode of the third diode D3, an anode of the second diode D2 is connected with a cathode of the fourth diode D4, a second input end 242 of the rectification module is arranged between an anode of the second diode D2 and a cathode of the fourth diode D4, a cathode of the first diode D1 is connected with a cathode of the second diode D2 and outputs to a direct current bus, and an anode of the third diode D3 is connected with an anode of the fourth diode D4 and is connected with a ground terminal.
As a possible implementation, the vehicle-mounted charger 100 further includes a charging and discharging and power conversion assembly; the input end of the charging, discharging and power converting assembly is connected to the ac charging processing circuit 120, the charging switch protection circuit 130, the low-voltage battery 500 and the high-voltage battery 300; the output end of the charging, discharging and power conversion assembly is connected with the fan, the air conditioner, the thermistor PTC and the motor.
The charging and discharging and power conversion assembly converts the power of any one of the direct current output by the alternating current charging processing circuit 120, the direct current output by the charging switch protection circuit 120 and the electric energy of the low-voltage battery 500 and the high-voltage battery 300, matches the power of any one of a fan, an air conditioner, a thermistor PTC and a motor, and outputs the power through a corresponding connection circuit.
The embodiment of the present application provides a vehicle-mounted charging system, please refer to fig. 5, where fig. 5 is a schematic diagram of the vehicle-mounted charging system, and the vehicle-mounted charging system includes a vehicle control unit module 601, a battery management system BMS module 602, a high voltage battery module 603, a vehicle-mounted charger module 604, and a low voltage battery module 605;
the vehicle control unit module 601 is connected with the vehicle-mounted charger module 604, the battery management system module BMS602 is connected with the vehicle-mounted charger module 604, the high-voltage battery module 603 is connected with the vehicle-mounted charger module 604, the vehicle-mounted charger module 604 is connected with the low-voltage battery module 605, and the vehicle-mounted charger module 604 is also used for connecting an external direct-current charging pile and an external alternating-current charging pile.
In one possible example, the onboard charger module 604 includes a control circuit, an ac charging processing circuit and a charging switch protection circuit, the control circuit is connected with the ac charging processing circuit and the charging switch protection circuit, and the ac charging processing circuit is connected with the charging switch protection circuit;
the control circuit is connected with the battery management system BMS module 602 and the vehicle controller module 601; the alternating current charging processing circuit is connected with the high-voltage battery module 603 and the low-voltage battery module 605 and is connected with an alternating current charging pile; the charging switch protection circuit is connected with the high-voltage battery module 603 and the low-voltage battery module 605 and is used for connecting a direct-current charging pile; the charging switch protection circuit supports a direct current fast charging mode and a direct current slow charging mode.
When the charging switch protection circuit supports the direct current quick charging mode, the charging switch protection circuit is connected with the direct current charging pile and the high-voltage battery module 603, or the charging switch protection circuit is connected with the direct current charging pile and the low-voltage battery module 605;
when the charging switch protection circuit supports the dc slow charging mode, the charging switch protection circuit is connected to the dc charging pile and the high-voltage battery module 603, or the charging switch protection circuit is connected to the dc charging pile and the low-voltage battery module 605.
In one possible example, the charge switch protection circuit includes a first relay, a second relay; the control circuit is connected with the first relay and the second relay, the first relay and the second relay are connected with a direct current charging input port and a charging output port of the vehicle-mounted charger in parallel, the direct current charging input port is used for being connected with a direct current charging pile, and the direct current charging output port is connected with the high-voltage battery module 603;
the control circuit is also connected with the direct current charging input port to identify charging modes of a direct current charging pile connected with the direct current charging input port, wherein the charging modes comprise a direct current quick charging mode and a direct current slow charging mode;
the charging output port is further connected to the ac charging processing circuit, so as to transmit the dc current obtained by processing the ac current by the ac charging processing circuit to the high-voltage battery module 603.
Therefore, in the example, the detection and control functions of the charger are expanded, so that the charger can control direct-current quick charging besides the alternating-current slow charging function, the interaction process of the direct-current charging pile and the battery management system BMS is omitted, the functions of the battery management system BMS are released, and the local area network and the direct-current power line of the whole vehicle controller are optimized. The problem of traditional integrated on-vehicle machine that charges function singleness, be difficult to satisfy the diversified user demand of integrated on-vehicle machine that charges in the scene of future is solved.
Referring to fig. 6, fig. 6 is a schematic flow chart of a manufacturing method of a vehicle-mounted charger according to an embodiment of the present application, and the method is applied to the vehicle-mounted charger including a control circuit, an ac charging processing circuit, and a charging switch protection circuit, and the method includes:
the control circuit is used for connecting a battery management system BMS and a vehicle control unit; the charging switch protection circuit is used for connecting the direct current charging pile, the high-voltage battery and the low-voltage battery; the charging switch protection circuit supports a direct current fast charging mode and a direct current slow charging mode;
when the charging switch protection circuit supports the direct-current quick charging mode, the charging switch protection circuit is connected with the direct-current charging pile and the high-voltage battery, or the charging switch protection circuit is connected with the direct-current charging pile and the low-voltage battery;
when the charging switch protection circuit supports the direct-current slow charging mode, the charging switch protection circuit is connected with the direct-current charging pile and the high-voltage battery, or the charging switch protection circuit is connected with the direct-current charging pile and the low-voltage battery.
It should be noted that, for the sake of simplicity, the embodiments of the present application are described as a series of acts or combinations, but those skilled in the art should understand that the present application is not limited by the described order of acts, as some steps may be performed in other orders or simultaneously according to the present application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required in this application.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units is only one type of division of logical functions, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be an electric or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application with specific examples, and the above description of the embodiments is only provided to help understand the present application and its core ideas; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific implementation and application scope, and in view of the above, the content of the present specification should not be construed as a limitation to the present application.
Claims (11)
1. The vehicle-mounted charger is characterized by comprising a control circuit, an alternating current charging processing circuit and a charging switch protection circuit, wherein the control circuit is connected with the alternating current charging processing circuit and the charging switch protection circuit;
the control circuit is used for connecting the battery management system BMS and the vehicle control unit; the charging switch protection circuit is used for connecting the direct current charging pile, the high-voltage battery and the low-voltage battery; the charging switch protection circuit supports a direct current fast charging mode and a direct current slow charging mode;
when the charging switch protection circuit supports the direct-current quick charging mode, the charging switch protection circuit is connected with the direct-current charging pile and the high-voltage battery, or the charging switch protection circuit is connected with the direct-current charging pile and the low-voltage battery;
when the charging switch protection circuit supports the direct-current slow charging mode, the charging switch protection circuit is connected with the direct-current charging pile and the high-voltage battery, or the charging switch protection circuit is connected with the direct-current charging pile and the low-voltage battery.
2. The vehicle-mounted charger according to claim 1, wherein the charging switch protection circuit comprises a first relay and a second relay; the control circuit is connected with the first relay and the second relay, the first relay and the second relay are connected with a direct current charging input port and a charging output port of the vehicle-mounted charger in parallel, the direct current charging input port is used for being connected with a direct current charging pile, and the charging output port is used for being connected with the high-voltage battery;
the control circuit is also connected with the direct current charging input port to identify a charging mode of direct current charging connected with the direct current charging input port, wherein the charging mode comprises a direct current fast charging mode and a direct current slow charging mode;
the charging output port is also connected with the alternating current charging processing circuit so as to transmit direct current obtained by processing alternating current by the alternating current charging processing circuit to the high-voltage battery.
3. The vehicle-mounted charger according to claim 2, characterized in that the charge switch protection circuit further comprises a first safety device, a second safety device and a filter circuit; the first relay is connected with the input end of the filter circuit through the first safety device; the second relay is connected with the input end of the filter circuit through the second fuse device; the output end of the filter circuit is connected with the charging output port;
the input end of the filter circuit is also used for connecting the alternating current charging processing circuit, so that the alternating current charging processing circuit is connected with the charging output port through the filter circuit.
4. The vehicle-mounted charger according to claim 3, characterized in that the filter circuit comprises a first filter circuit, a second filter circuit and a selection control module; the selection control module is connected with the first insurance device, the second insurance device and the alternating current charging processing circuit, the selection control module is further connected with the input end of the first filter circuit and the input end of the second filter circuit, and the output end of the first filter circuit and the output end of the second filter circuit are connected with the charging output port.
5. The vehicle-mounted charger according to claim 1, wherein the alternating current charging processing circuit comprises a first micro control unit, a second micro control unit, a third micro control unit, a rectifying processing circuit, a first DC/DC circuit, a second DC/DC circuit and a low voltage interface circuit; the first micro control unit is connected with the second micro control unit, the third micro control unit and the rectification processing circuit; the rectification processing circuit is connected with the first DC/DC circuit and can be connected with the alternating current charging pile; the first DC/DC circuit is connected with the high-voltage battery, the second micro control unit and the second DC/DC circuit; the second micro control unit MCU is connected with the high-voltage battery; the second DC/DC circuit is connected with the third micro control unit and the low-voltage battery, and the third micro control unit is connected with the low-voltage interface circuit.
6. The vehicle-mounted charger according to claim 5, wherein the rectification processing circuit comprises a first diode, a second diode, a third diode and a fourth diode, an anode of the first diode is connected to a cathode of the third diode, a first input end of the rectification module is arranged between an anode of the first diode and a cathode of the third diode, an anode of the second diode is connected to a cathode of the fourth diode, a second input end of the rectification module is arranged between an anode of the second diode and a cathode of the fourth diode, a cathode of the first diode and a cathode of the second diode are connected together and output to a direct current bus, and an anode of the third diode and an anode of the fourth diode are connected together and connected to ground.
7. The vehicle-mounted charger according to claim 1, characterized in that the vehicle-mounted charger further comprises a charging and discharging and power conversion assembly; the input end of the charging, discharging and power conversion assembly is connected with the alternating current charging processing circuit, the charging switch protection circuit, the low-voltage battery and the high-voltage battery; the output end of the charging, discharging and power conversion assembly is connected with the fan, the air conditioner, the thermistor PTC and the motor.
8. A vehicle-mounted charging system, which comprises a vehicle control unit, a battery management system BMS, a high-voltage battery and a low-voltage battery, and is characterized by further comprising the vehicle-mounted charger according to any one of claims 1 to 7
The vehicle control unit is connected with the vehicle-mounted charger, the battery management system BMS is connected with the vehicle-mounted charger, the high-voltage battery is connected with the vehicle-mounted charger, the vehicle-mounted charger is connected with the low-voltage battery, and the vehicle-mounted charger is also used for being connected with an external direct-current charging pile and an external alternating-current charging pile.
9. The vehicle-mounted charger system according to claim 8, characterized in that the vehicle-mounted charger comprises a control circuit, an alternating current charging processing circuit and a charging switch protection circuit, wherein the control circuit is connected with the alternating current charging processing circuit and the charging switch protection circuit, and the alternating current charging processing circuit is connected with the charging switch protection circuit;
the control circuit is connected with the battery management system BMS and the vehicle control unit; the alternating current charging processing circuit is connected with the high-voltage battery, the low-voltage battery and the alternating current charging pile; the charging switch protection circuit is connected with the high-voltage battery and the low-voltage battery and is used for connecting a direct-current charging pile; the charging switch protection circuit supports a direct current fast charging mode and a direct current slow charging mode;
when the charging switch protection circuit supports the direct-current quick charging mode, the charging switch protection circuit is connected with the direct-current charging pile and the high-voltage battery, or the charging switch protection circuit is connected with the direct-current charging pile and the low-voltage battery;
when the charging switch protection circuit supports the direct-current slow charging mode, the charging switch protection circuit is connected with the direct-current charging pile and the high-voltage battery, or the charging switch protection circuit is connected with the direct-current charging pile and the low-voltage battery.
10. The vehicle-mounted charger system according to claim 9, wherein said charge switch protection circuit comprises a first relay, a second relay; the control circuit is connected with the first relay and the second relay, the first relay and the second relay are connected with a direct current charging input port and a charging output port of the vehicle-mounted charger in parallel, the direct current charging input port is used for being connected with a direct current charging pile, and the direct current charging output port is connected with the high-voltage battery;
the control circuit is also connected with the direct current charging input port to identify a charging mode of direct current charging connected with the direct current charging input port, wherein the charging mode comprises a direct current fast charging mode and a direct current slow charging mode;
the charging output port is also connected with the alternating current charging processing circuit so as to transmit direct current obtained by processing alternating current by the alternating current charging processing circuit to the high-voltage battery.
11. A manufacturing method of a vehicle-mounted charger is characterized by being applied to the vehicle-mounted charger comprising a control circuit, an alternating current charging processing circuit and a charging switch protection circuit, and comprising the following steps:
connecting the control circuit with the alternating current charging processing circuit and the charging switch protection circuit;
connecting the alternating current charging processing circuit with the charging switch protection circuit;
the control circuit is used for connecting the battery management system BMS and the vehicle control unit; the charging switch protection circuit is used for connecting the direct current charging pile, the high-voltage battery and the low-voltage battery; the charging switch protection circuit supports a direct current fast charging mode and a direct current slow charging mode;
when the charging switch protection circuit supports the direct-current quick charging mode, the charging switch protection circuit is connected with the direct-current charging pile and the high-voltage battery, or the charging switch protection circuit is connected with the direct-current charging pile and the low-voltage battery;
when the charging switch protection circuit supports the direct-current slow charging mode, the charging switch protection circuit is connected with the direct-current charging pile and the high-voltage battery, or the charging switch protection circuit is connected with the direct-current charging pile and the low-voltage battery.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/079943 WO2020191682A1 (en) | 2019-03-27 | 2019-03-27 | Vehicle-mounted battery charger and manufacturing method therefor, vehicle-mounted battery charger system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111386209A true CN111386209A (en) | 2020-07-07 |
Family
ID=71219147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201980004989.4A Pending CN111386209A (en) | 2019-03-27 | 2019-03-27 | Vehicle-mounted charger, manufacturing method thereof and vehicle-mounted charger system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111386209A (en) |
| WO (1) | WO2020191682A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112104050A (en) * | 2020-07-31 | 2020-12-18 | 华为技术有限公司 | Vehicle-mounted charger control framework, vehicle-mounted charger and vehicle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110309793A1 (en) * | 2009-02-03 | 2011-12-22 | Toyota Jidosha Kabushiki Kaisha | Charging system for vehicle and method for controlling charging system |
| CN104600815A (en) * | 2015-02-16 | 2015-05-06 | 安徽江淮汽车股份有限公司 | Electromobile charging system and charging control method |
| CN204835609U (en) * | 2015-07-24 | 2015-12-02 | 比亚迪股份有限公司 | Electric automobile and electric automobile's on -vehicle charger |
| CN106972570A (en) * | 2017-04-14 | 2017-07-21 | 南通大学 | Direct current trickle charge stake and robust Controller Design method suitable for large parking lot |
| 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 |
| CN108909492A (en) * | 2018-07-06 | 2018-11-30 | 北京新能源汽车股份有限公司 | Charging and discharging system and vehicle |
| CN210212079U (en) * | 2019-03-27 | 2020-03-31 | 深圳欣锐科技股份有限公司 | Vehicle-mounted charging system and vehicle-mounted charger |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190031125A1 (en) * | 2017-07-25 | 2019-01-31 | Hamilton Sundstrand Corporation | Electric system architecture for range extended electric vehicles |
-
2019
- 2019-03-27 CN CN201980004989.4A patent/CN111386209A/en active Pending
- 2019-03-27 WO PCT/CN2019/079943 patent/WO2020191682A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110309793A1 (en) * | 2009-02-03 | 2011-12-22 | Toyota Jidosha Kabushiki Kaisha | Charging system for vehicle and method for controlling charging system |
| CN104600815A (en) * | 2015-02-16 | 2015-05-06 | 安徽江淮汽车股份有限公司 | Electromobile charging system and charging control method |
| CN204835609U (en) * | 2015-07-24 | 2015-12-02 | 比亚迪股份有限公司 | Electric automobile and electric automobile's on -vehicle charger |
| CN106972570A (en) * | 2017-04-14 | 2017-07-21 | 南通大学 | Direct current trickle charge stake and robust Controller Design method suitable for large parking lot |
| 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 |
| CN108909492A (en) * | 2018-07-06 | 2018-11-30 | 北京新能源汽车股份有限公司 | Charging and discharging system and vehicle |
| CN210212079U (en) * | 2019-03-27 | 2020-03-31 | 深圳欣锐科技股份有限公司 | Vehicle-mounted charging system and vehicle-mounted charger |
Non-Patent Citations (2)
| Title |
|---|
| 余梦洁: "宇通为用户破解充电配套难题", 《商用汽车新闻》 * |
| 郭向伟: "《新能源汽车产业关键技术概论》", 31 July 2018, 西北工业大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112104050A (en) * | 2020-07-31 | 2020-12-18 | 华为技术有限公司 | Vehicle-mounted charger control framework, vehicle-mounted charger and vehicle |
| CN112104050B (en) * | 2020-07-31 | 2022-07-19 | 华为数字能源技术有限公司 | Vehicle-mounted charger control framework, vehicle-mounted charger and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020191682A1 (en) | 2020-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10166877B2 (en) | Charge control system for electric vehicle and electric vehicle | |
| US9845021B2 (en) | On-vehicle power supply system and electric vehicle | |
| US10059210B2 (en) | Vehicle mutual-charging system and charging connector | |
| CN102569705B (en) | Electric energy storage device, connection device, accumulating system, electronic installation and motor vehicle | |
| US20120280655A1 (en) | Charging system for electric vehicles | |
| US9862287B2 (en) | Power system for electric vehicle, electric vehicle and motor controller | |
| US20190036366A1 (en) | Combined charger and power converter | |
| WO2014199203A2 (en) | Power supply device for vehicle | |
| CN107303825A (en) | For the charging system of electric vehicle and for the method to electric vehicle charging | |
| CN107539146B (en) | Vehicle-mounted charging and power supply system | |
| US20240246433A1 (en) | Charging and discharging apparatus and vehicle | |
| CN210212079U (en) | Vehicle-mounted charging system and vehicle-mounted charger | |
| CN210101344U (en) | Vehicle-to-vehicle direct current charging device, vehicle and system | |
| CN114954313A (en) | Vehicle-mounted power supply system of electric automobile and control method thereof | |
| CN113492702A (en) | Bidirectional vehicle-mounted charger, vehicle-mounted power supply system, charging control method and automobile | |
| CN111386209A (en) | Vehicle-mounted charger, manufacturing method thereof and vehicle-mounted charger system | |
| CN107399237B (en) | Vehicle-mounted charging and power supply integrated system | |
| CN111404393A (en) | Vehicle-mounted charging circuit and bidirectional direct current conversion circuit | |
| CN111907354A (en) | Vehicle-mounted power supply conversion and distribution unit integrated device | |
| CN207241442U (en) | A kind of vehicle-mounted charge power supply integration system | |
| CN113169562A (en) | Vehicle-mounted charging and discharging device, charging and discharging system thereof and new energy automobile | |
| CN217892528U (en) | Direct current charging system for electric automobile | |
| CN217994168U (en) | High-power direct current quick charging device suitable for new energy automobile | |
| CN219833822U (en) | Photovoltaic charging system | |
| CN212171955U (en) | Charging device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200707 |
|
| RJ01 | Rejection of invention patent application after publication |