CN112078392A - Forward compatibility method, circuit and converter for direct current charging control circuit of electric vehicle - Google Patents
Forward compatibility method, circuit and converter for direct current charging control circuit of electric vehicle Download PDFInfo
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- CN112078392A CN112078392A CN202010830051.2A CN202010830051A CN112078392A CN 112078392 A CN112078392 A CN 112078392A CN 202010830051 A CN202010830051 A CN 202010830051A CN 112078392 A CN112078392 A CN 112078392A
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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
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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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
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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
- Y02T90/14—Plug-in electric vehicles
Abstract
The invention discloses a forward compatibility method, a forward compatibility circuit and a forward compatibility converter of a direct current charging control circuit of an electric vehicle, wherein equivalent resistors are arranged on a CC1 loop or/and a CC2 loop, the type of a charger is judged by monitoring the voltage on a CC2 line at the side of the electric vehicle, a charging process is carried out according to the type of the charger, and whether the charger is reliably connected and allows safe charging or not is determined by monitoring the voltage on a CC1 line at the side of the charging machine, so that the electric vehicle can be charged with all common chargers on the market, and the forward compatibility of the direct current charging control guide circuit is realized.
Description
Technical Field
The invention relates to a forward compatible method, a forward compatible circuit and a forward compatible converter of a direct current charging control circuit of an electric vehicle, and belongs to the field of electric vehicle charging.
Background
In the field of electric vehicle conduction direct current charging, international main current charging systems have main current direct current interface technical forms such as a japanese direct current quick charging system CHAdeMO, a european and american combined charging system CCS, a chinese direct current charging system GB2015 and the like, different charging systems use respective charging interfaces for charging, for example, the CHAdeMO adopted in japan is a CHAdeMO socket supported by japanese products and mitsubishi cars and the like; the Combo socket adopted in Europe and America can allow the electric vehicle to be charged slowly and quickly, and is the most widely used socket type in Europe at present; the interface adopted by the Chinese direct current charger conforms to the No. 3 part of a connecting device for electric vehicle conduction charging in GB/T20234.3-2015: direct current charging interface.
These dc charging techniques have features and advantages, but they also gradually expose some technical problems and potential safety hazards. A new generation of ChaoJi charging technology in China solves a series of defects and problems existing in the international existing charging system. Aiming at different charging interface physical forms and connecting circuits, the problem of forward compatibility of the ChaoJi electric vehicle needs to be solved so as to adapt to the existing direct current charger and meet the current charging market demand.
Disclosure of Invention
The invention provides a forward compatibility method, a forward compatibility circuit and a forward compatibility converter of a direct current charging control circuit of an electric vehicle, and solves the problem of forward compatibility of a ChaoJi electric vehicle.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the forward compatible method of the DC charging control circuit of the electric vehicle comprises the following steps,
a plurality of equivalent resistors matched with the charger type are connected to the CC1 loop or/and the CC2 loop;
connecting a CC2 loop, judging the type of a charger by the electric vehicle according to the monitored voltage on the CC2 line, and enabling the electric vehicle to enter a corresponding charging process; and
and (4) switching on a CC1 loop, and responding to the voltage on the CC1 line monitored by the charger within a preset normal range, and enabling the charger to enter a charging process.
In response to the connection of the equivalent resistor to the CC1 loop, the connection structure of the equivalent resistor is as follows,
an equivalent resistor R 'is connected in parallel between a CC1 line and a PE line of a CC1 loop or/and an equivalent resistor R' is connected in series on a CC1 line of a CC1 loop;
in response to the connection of the equivalent resistor to the CC2 loop, the connection structure of the equivalent resistor is as follows,
the equivalent resistor Rc 'is connected in parallel between the line CC2 and the line PE of the CC2 loop or/and the equivalent resistor Rc' is connected in series on the line CC2 of the CC2 loop.
And in response to the fact that the charger is a CHADEMO charger or a GB2015 charger, the CC1 loop and the CC2 loop are respectively connected with a plurality of equivalent resistors matched with the type of the charger.
And in response to the charger being a CCS charger, the CC2 loop is connected with a plurality of equivalent resistors matched with the charger type.
The forward compatible circuit of the direct current charging control circuit of the electric vehicle comprises a CC1 connecting wire, a CC2 connecting wire and a PE connecting wire;
two ends of a CC1 connecting line are respectively connected with an electric vehicle side CC1 connecting line and a charger side CC1 connecting line, two ends of a CC2 connecting line are respectively connected with an electric vehicle side CC2 connecting line and a charger side CC2 connecting line, and two ends of a PE connecting line are respectively connected with an electric vehicle side PE connecting line and a charger side PE connecting line;
the CC1 connecting line, the electric vehicle side CC1 connecting line, the charger side CC1 connecting line, the PE connecting line, the electric vehicle side PE connecting line and the charger side PE connecting line form a CC1 loop, and the CC2 connecting line, the electric vehicle side CC2 connecting line, the charger side CC2 connecting line, the PE connecting line, the electric vehicle side PE connecting line and the charger side PE connecting line form a CC2 loop;
and a plurality of equivalent resistors matched with the type of the charger are connected to the CC1 loop or/and the CC2 loop.
In response to the connection of the equivalent resistor to the CC1 loop, the connection structure of the equivalent resistor is as follows,
an equivalent resistor R 'is connected in parallel between a CC1 line and a PE line of a CC1 loop or/and an equivalent resistor R' is connected in series on a CC1 line of a CC1 loop; the device comprises a charging machine side CC1 connecting circuit, a CC1 connecting circuit, an electric vehicle side CC1 connecting circuit and a charging machine side CC1 connecting circuit, wherein the CC1 connecting circuit is formed by the CC1 connecting circuit, the electric vehicle side PE connecting circuit and the charging machine side PE connecting circuit;
in response to the connection of the equivalent resistor to the CC2 loop, the connection structure of the equivalent resistor is as follows,
the equivalent resistor Rc 'is connected in parallel between the CC2 line and the PE line of the CC2 loop or/and the equivalent resistor Rc' is connected in series on the CC2 line of the CC2 loop; the CC2 connecting line, the electric vehicle side CC2 connecting line and the charger side CC2 connecting line form a CC2 line.
In response to the connection of the equivalent resistor to the CC1 loop, the connection structure of the equivalent resistor is as follows,
an equivalent resistor R 'is connected in parallel between the CC1 connecting line and the PE connecting line or/and an equivalent resistor R' is connected in series on the CC1 connecting line;
in response to the connection of the equivalent resistor to the CC2 loop, the connection structure of the equivalent resistor is as follows,
the equivalent resistor Rc 'is connected in parallel between the CC2 connection line and the PE connection line or/and the equivalent resistor Rc' is connected in series on the CC2 connection line.
In response to the fact that the charger is a CHADEMO charger, the forward compatible circuit of the direct current charging control circuit of the electric vehicle further comprises a CP connecting line, two ends of the CP connecting line are respectively connected with a CC2 connecting line at the electric vehicle side and a CP connecting line at the charger side, and an equivalent resistor Rd is connected to the CP connecting line in series.
And in response to the fact that the charger is a CHADEMO charger or a GB2015 charger, the CC1 loop and the CC2 loop are respectively connected with a plurality of equivalent resistors matched with the type of the charger.
And in response to the charger being a CCS charger, the CC2 loop is connected with a plurality of equivalent resistors matched with the charger type.
The converter comprises a forward compatible circuit of the direct current charging control circuit of the electric vehicle, and is connected between a vehicle socket on the electric vehicle side and a vehicle plug on the charger side.
The invention achieves the following beneficial effects: the equivalent resistor is arranged on the CC1 loop or/and the CC2 loop, the type of the charger is judged by monitoring the voltage on the CC2 line at the electric vehicle side, the charging process is carried out according to the type of the charger, and whether the charger is reliably connected and allows safe charging is determined by monitoring the voltage on the CC1 line at the charging motor side, so that the electric vehicle can be charged with all common chargers on the market, and forward compatibility is realized.
Drawings
FIG. 1 is a schematic diagram of the circuit of the present invention;
FIG. 2 shows a circuit configuration of the CHAdemo charger;
FIG. 3 is a CHAdemo forward compatible charging flow;
FIG. 4 shows a circuit configuration of a CCS1 charger;
FIG. 5 shows a circuit configuration of a CCS2 charger;
FIG. 6 is a CCS forward compatible charging flow;
fig. 7 is a circuit structure of a GB2015 charger;
fig. 8 is a GB2015 forward compatible charging procedure;
fig. 9 is a forward compatible vehicle circuit.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The forward compatible method of the direct current charging control circuit of the electric vehicle comprises the following specific steps:
1) and a plurality of equivalent resistors matched with the charger type are connected to the CC1 loop or/and the CC2 loop.
Whether the CC1 return circuit and the CC2 return circuit are connected with the equivalent resistance or not needs to be adjusted according to the type of the charger.
When the CC1 loop is connected with an equivalent resistor, the connection structure of the equivalent resistor is as follows:
the equivalent resistor R 'is connected in parallel between the CC1 line and the PE line of the CC1 loop or/and the equivalent resistor R' is connected in series on the CC1 line of the CC1 loop.
When the CC2 loop is connected with an equivalent resistor, the connection structure of the equivalent resistor is as follows:
the equivalent resistor Rc 'is connected in parallel between the line CC2 and the line PE of the CC2 loop or/and the equivalent resistor Rc' is connected in series on the line CC2 of the CC2 loop.
The equivalent resistor is a single resistor, or the equivalent resistor is formed by connecting a plurality of resistors in series, in parallel or in a mixed manner, has various structures, and only needs to reach corresponding resistance values.
According to the current charger structure: when the charger is a CHADEMO charger or a GB2015 charger, the CC1 loop and the CC2 loop are respectively connected with a plurality of equivalent resistors matched with the type of the charger, namely the equivalent resistor R 'is connected in parallel between the CC1 line and the PE line of the CC1 loop or/and the equivalent resistor R' is connected in series on the CC1 line of the CC1 loop. When the charger is a CCS charger, the CC2 loop is connected with a plurality of equivalent resistors matched with the charger type, namely the CC1 loop is not connected with the equivalent loop, the equivalent resistor Rc 'is connected in parallel between the CC2 line and the PE line of the CC2 loop or/and the equivalent resistor Rc' is connected in series on the CC2 line of the CC2 loop.
Of course, if the structure of the control pilot circuit of the charger or the vehicle is changed in the future, the situation that the CC1 loop is not connected with the equivalent resistance and/or the CC2 loop is not connected with the equivalent resistance in the converter can also occur.
2) And (4) switching on a CC2 loop, judging the type of a charger by the electric vehicle according to the monitored voltage on the CC2 line, and enabling the electric vehicle to enter a corresponding charging process.
3) And (4) switching on a CC1 loop, and responding to the voltage on the CC1 line monitored by the charger within a preset normal range, and enabling the charger to enter a charging process.
The forward compatible circuit of the direct current charging control circuit of the electric vehicle comprises a CC1 connecting line, a CC2 connecting line and a PE connecting line. Two ends of a CC1 connecting line are respectively connected with an electric vehicle side CC1 connecting line and a charger side CC1 connecting line, two ends of a CC2 connecting line are respectively connected with an electric vehicle side CC2 connecting line and a charger side CC2 connecting line, and two ends of a PE connecting line are respectively connected with an electric vehicle side PE connecting line and a charger side PE connecting line; the CC1 connecting line, the electric vehicle side CC1 connecting line, the charger side CC1 connecting line, the PE connecting line, the electric vehicle side PE connecting line and the charger side PE connecting line form a CC1 loop, and the CC2 connecting line, the electric vehicle side CC2 connecting line, the charger side CC2 connecting line, the PE connecting line, the electric vehicle side PE connecting line and the charger side PE connecting line form a CC2 loop; and a plurality of equivalent resistors matched with the type of the charger are connected to the CC1 loop or/and the CC2 loop.
According to the current charger structure: when the charger is a CHADEMO charger or a GB2015 charger, the CC1 loop and the CC2 loop are respectively connected with a plurality of equivalent resistors matched with the type of the charger. When the charger is a CCS charger, a plurality of equivalent resistors matched with the charger type are connected to the CC2 loop.
When an equivalent resistor is connected to the CC1 loop, the connection structure of the equivalent resistor is as follows:
an equivalent resistor R 'is connected in parallel between a CC1 line and a PE line of a CC1 loop or/and an equivalent resistor R' is connected in series on a CC1 line of a CC1 loop; the CC1 connecting line, the electric vehicle side CC1 connecting line and the charger side CC1 connecting line form a CC1 line, and the PE connecting line, the electric vehicle side PE connecting line and the charger side PE connecting line form a PE line.
When an equivalent resistor is connected to the CC2 loop, the connection structure of the equivalent resistor is as follows:
the equivalent resistor Rc 'is connected in parallel between the CC2 line and the PE line of the CC2 loop or/and the equivalent resistor Rc' is connected in series on the CC2 line of the CC2 loop; the CC2 connecting line, the electric vehicle side CC2 connecting line and the charger side CC2 connecting line form a CC2 line.
Generally, in order to facilitate the arrangement of a circuit, the circuit structures of the conventional electric vehicle and a charger are not changed; when an equivalent resistor is connected to the CC1 loop, the connection structure of the equivalent resistor is as follows: an equivalent resistor R 'is connected in parallel between the CC1 connecting line and the PE connecting line or/and an equivalent resistor R' is connected in series on the CC1 connecting line; when the CC2 loop is connected with an equivalent resistor, the connection structure of the equivalent resistor is as follows: the equivalent resistor Rc 'is connected in parallel between the CC2 connection line and the PE connection line or/and the equivalent resistor Rc' is connected in series on the CC2 connection line.
When the charger is a CHADEMO charger, the forward compatible circuit of the direct current charging control circuit of the electric vehicle further comprises a CP connecting line, two ends of the CP connecting line are respectively connected with a CC2 connecting line at the electric vehicle side and a CP connecting line at the charger side, and an equivalent resistor Rd is connected in series on the CP connecting line.
The converter comprises the forward compatible circuit of the direct current charging control circuit of the electric vehicle, all equivalent resistors of the forward compatible circuit of the direct current charging control circuit of the electric vehicle are arranged in the converter, and the converter is connected between a vehicle socket on the electric vehicle side and a vehicle plug on the charger side.
If part of the equivalent resistance of the forward compatible circuit of the direct current charging control circuit of the electric vehicle is already installed in the charger or the electric vehicle, the converter can be further simplified, namely the rest part of the equivalent circuit is arranged in the converter.
The resistor precision in the converter and the direct current charging control circuit of the ChaoJi electric vehicle is recommended to be 1%, and the pull-up voltage precision is recommended to be 5%.
As shown in fig. 1, the circuit includes a CC1 connection line, a CC2 connection line, and a PE connection line, two ends of the CC1 connection line are respectively connected to a CC1 end (the CC1 end is a connection port of the CC1 connection line on the electric vehicle side, and the subsequent ports are similar) on the electric vehicle side and a CC1 end on the charger side, two ends of the CC2 connection line are respectively connected to a CC2 end on the electric vehicle side and a CC2 end on the charger side, two ends of the PE connection line are respectively connected to a PE end on the electric vehicle side and a PE end on the charger side, an equivalent resistor R' is connected in parallel between the CC1 connection line and the PE connection line, an equivalent resistor R "is connected in series on the CC1 connection line, an equivalent resistor Rc" is connected in parallel between the CC2 connection line and the PE.
The method specifically comprises the following steps: one end of the equivalent resistor Rc ' is connected with the end CC2 on the electric vehicle side, and the other end of the equivalent resistor Rc ' is connected with the connection point of the connection line of the equivalent resistor Rc ' and the CC 2; one end of the equivalent resistor R ' is connected with the end CC1 on the electric vehicle side, and the other end of the equivalent resistor R ' is connected with the connection point of the equivalent resistor R ' and the connection line CC 1.
As shown in the right side of fig. 1, which is a circuit on the ChaoJi electric vehicle side, a monitoring point 3, a switch Sv, a resistor Rv and a power supply U2 (generally 12V) are connected in series between a CC2 end and a PE end, a diode D1, a monitoring point 2, a switch S2 and a resistor R4 are connected in series between a CC1 end and a PE end, an anode of a diode D1 is connected to a CC1 end, both ends of a series circuit of a resistor R4 'and a switch S2' are connected in parallel to both ends of a series circuit of a switch S2 and a resistor R4, the monitoring point 3 and the monitoring point 2 are connected to an electric vehicle controller, and voltages on lines of the CC2 and the CC1 are monitored through the monitoring point 3 and the monitoring point 2, respectively. Diode D1 is optional, is applicable to CCS charger and carries out the charging.
The resistance value of each equivalent resistor is related to the resistance value of the resistor Rv and the type of the charger, the pull-up voltage U2 in the electric vehicle is determined by the design of the electric vehicle manufacturer, and the resistor Rv is generally set at 1000 Ω in order to reduce the power consumption of the equivalent resistor in the converter.
In the following, taking some existing chargers as an example, the voltage values of the given monitoring points are nominal values, and the configuration parameters of each system and converter are shown in table 1:
TABLE 1 System and converter configuration parameters
A) Japanese CHAdeMO charger.
When the voltage of a monitoring point 1 is detected to be 2.00V, the Japanese CHAdemo charger considers that the connection with the electric vehicle is normal and allows charging. In order to be compatible with the charger in the prior market, the resistance of the equivalent resistor Rc 'is 200 Ω, the resistance of the equivalent resistor Rc ″ is 100 Ω, the resistance of the equivalent resistor Rd is 400 Ω, and the equivalent resistor R' in the CC1 loop is not connected in parallel between the CC1 connection line and the PE connection line, but is equivalent to the electric vehicle side, that is, the resistance of R4c in the figure is 130 Ω, as shown in fig. 2. It is of course most preferred to connect directly in parallel between the CC1 connection line and the PE connection line.
The CHAdeMO forward compatible charging determination process is shown in fig. 3, and includes the following steps:
s11), when the charger, the converter and the ChaoJi electric vehicle with the charging number of CHAdeMO 2.0 and below are not connected, the initialization states of the switches d1, d2, S2' and Sv are all disconnected, the switch S2 is placed at the position 0, namely the resistor R4c or R4 is not connected, the electric vehicle is in a dormant state or an activated state, a monitoring point 2 in the electric vehicle is 0V, and charging is not allowed; the voltage of a monitoring point 1 in the charger is 12V, the voltage of a monitoring point CS is 0V, and charging is not allowed.
S12) the converter is connected with an electric vehicle socket, the electric vehicle is in a dormant state or an activated state, the voltage of a monitoring point 2 in the electric vehicle is 0V, and charging is not allowed; the voltage of a monitoring point 1 in the charger is 12V, the voltage of a monitoring point CS is 0V, and charging is not allowed.
S13) the charger is completely connected with the converter and the electric vehicle, a monitoring point 2 in the electric vehicle is 11.88V, charging is not allowed, and the electric vehicle in the dormancy state is activated; the voltage of a monitoring point 1 in the charger is 11.88V, the voltage of a monitoring point CS is 0V, and charging is not allowed.
S14) closing a switch Sv of the vehicle, detecting that the voltage of a monitoring point 3 is 2V, confirming that the CC2 loop is normally connected, judging that the type of the connected charger is Japanese CHAdemo 2.0 or below, and judging that the monitoring point 2 in the electric vehicle is 11.88V and charging is not allowed; the voltage of a monitoring point 1 in the charger is 11.88V, the voltage of a monitoring point CS is 1V, and charging is not allowed;
if the switch Sv is closed, the voltage of the monitoring point 3 is detected to be 6V, the CC2 loop connection is confirmed to be normal, the connected charger is judged to be a ChaoJi charger, namely, the converter is not used for charging, and the step S19 is carried out;
if the switch Sv is closed, the voltage of the monitoring point 3 is detected to be 4V or 8V, the CC2 loop is confirmed to be normally connected, the type of the connected charger is judged to be other versions of chargers, and the corresponding charging process is switched to.
S15) the switch Sv is turned off, the voltage of the monitoring point 3 is 0V, the voltage of the monitoring point 2 in the electric vehicle is 11.88V, and the electric vehicle possibly enters a sleep state; the voltage of a monitoring point 1 in the charger is 11.88V, the voltage of a monitoring point CS is 0V, and charging is not allowed.
S16) closing the switch d1 to wake up the electric vehicle, wherein the voltage of a monitoring point 1 in the charger is 11.88V, and the voltage of a monitoring point CS is 2V; the voltage of a monitoring point 2 in the electric vehicle is 11.88V, the voltage of a monitoring point 3 in the electric vehicle is 4V, and the electric vehicle is activated.
S17) the electric vehicle places the switch S2 at position 1, namely, the resistor R4c is connected in series, the voltage of a monitoring point 1 in the charger is 2V, the voltage of a monitoring point CS is 2V, and the insulation detection of the cable is started; the voltage of a monitoring point 2 in the electric vehicle is 2V, and the voltage of a monitoring point 3 in the electric vehicle is 4V.
S18) after the charger completes the cable insulation detection, closing the switch d2, wherein the voltage of a monitoring point 1 in the charger is 2V, and the voltage of a monitoring point CS is 0V; the voltage of a monitoring point 2 in the electric vehicle is 2V, and the voltage of a monitoring point 3 in the electric vehicle is 2.4V; both of the vehicle-pile parties enter the charging process of the charging system of the japanese CHAdeMO 2.0 and below.
S19) closing a switch S2' of the electric vehicle, when the voltage of a monitoring point 2 is detected to be 8.73V and the charging is ready, the switch S2 is arranged at a position 2, namely a resistor R4 is connected in series, the voltage of the monitoring point 2 is 5.60V, the switch Sv is opened, and the voltage of a monitoring point 3 is 0V; the voltage of a monitoring point 1 in the charger is 5.60V; and the two sides of the vehicle pile enter a charging process of ChaoJi.
B) European and American CCS charger.
When the voltage of a monitoring point 1 is detected to be 9.00V, the European and American CCS charger considers that the monitoring point is normally connected with the electric vehicle and allows charging, the nominal voltage of the monitoring point 1 is 6.00V in normal charging, and for the CCS1 charger, the voltage of a monitoring point PP is also detected to be 1.51V. The equivalent resistance settings for a compatible CCS charger are shown in figures 4 and 5.
CCS1 charger: the equivalent resistance Rc 'is 2100 omega, and the resistance value of the equivalent resistance Rc' is 360 omega; CCS2 charger: the equivalent resistance Rc 'is 300 Ω, and the resistance value of the equivalent resistance Rc' is 250 Ω.
The electric vehicle side detects that the voltage of the monitoring point 3 is 4V, the electric vehicle confirms that a CCS charger is connected with the electric vehicle, the switch S2 is kept off firstly (the switch S2 is closed after the charger is ready for charging), the electric vehicle enters a CCS charging process, the CCS charger detects that the voltage of the monitoring point 1 is 9V, the interface connection is confirmed to be normal, the CCS charging process is entered, and then the vehicle pile two sides charge according to the charging process specified by the existing IEC standard.
The CCS forward compatible charging determination process is shown in fig. 6, and includes the following specific steps:
s21), when the CCS charger, the converter and the ChaoJi electric vehicle are not connected, the switch S3 in the charger is a normally closed switch (only aiming at the CCS1 charger), the initialization states of the switches S2, S2 ', Sv and Sv' in the electric vehicle are all disconnected, the electric vehicle is in a dormant state or an activated state, the monitoring point 2 in the electric vehicle is 0V, and charging is not allowed; the voltage of a monitoring point 1 in the charger is 12V, the voltage of a monitoring point PP is 0V, and charging is not allowed.
S22) the converter is connected with an electric vehicle socket, the electric vehicle is in a dormant state or an activated state, the voltage of a monitoring point 2 in the electric vehicle is 0V, and charging is not allowed; the voltage of a monitoring point 1 in the charger is 12V, the voltage of a monitoring point PP is 0V (only for CCS1 charger), and charging is not allowed.
S23) the charger is completely connected with the converter and the electric vehicle, the electric vehicle is in a dormant state or an activated state, and the monitoring point 2 in the electric vehicle is 11.2V at the moment, so that charging is not allowed; the voltage of a monitoring point 1 in the charger is 11.9V, the voltage of a monitoring point PP is 0V (only aiming at CCS1 charger), the charging is not allowed, and the electric vehicle in the dormancy state is activated.
S24) closing a switch Sv of the electric vehicle, detecting that the voltage of a monitoring point 3 is 4V, confirming that the CC2 loop is normally connected, judging that the type of the connected charger is a European and American CCS system, and judging that the monitoring point 2 in the electric vehicle is 11.2V and charging is not allowed; the voltage of a monitoring point 1 in the charger is 11.9V, the voltage of a monitoring point PP is 1.12V (only for CCS1 charger), and charging is not allowed.
If the switch Sv is closed, the voltage of the monitoring point 3 is detected to be 6V, the CC2 loop connection is confirmed to be normal, the type of the connected charger is judged to be a ChaoJi charger, namely, the charger is not charged by using a converter, and after the charging is ready in the step S25, the two parties start CAN communication ChaoJi protocol;
if the switch Sv is closed, the voltage of the monitoring point 3 is detected to be 2V or 8V, the CC2 loop is confirmed to be normally connected, the type of the connected charger is judged to be other versions of chargers, and the corresponding charging process is switched to.
S25) when the switch of the electric vehicle is closed, S2 'and Sv', the voltage of a monitoring point 2 in the electric vehicle is 8.22V, and the voltage of a monitoring point 3 in the electric vehicle is 5.39V; the voltage of a monitoring point 1 in the charger is 8.92V, the voltage of a monitoring point PP is 1.51V (only for a CCS1 charger), the charging is ready, and the two parties start PLC communication.
S26) closing the switch S2 after the electric vehicle is ready, wherein the voltage of a monitoring point 2 in the electric vehicle is 5.27V, and the voltage of a monitoring point 3 in the electric vehicle is 5.39V; the voltage of a monitoring point 1 in the charger is 5.97V, and the voltage of a monitoring point PP is 1.51V (only for CCS1 charger); and (4) enabling the two sides of the vehicle pile to enter a charging process of the European and American CCS charging system.
C) China GB2015 charger.
When detecting that the voltage of a monitoring point 1 is 4.00V, the GB2015 charger in China considers that the connection with the electric vehicle is normal and allows charging, and the equivalent resistance setting for the GB2015 charger is compatible with the GB2015 charger as shown in FIG. 7.
The resistance of the equivalent resistor Rc 'is 1000 Ω, and the resistance of the equivalent resistor Rc' is 1500 Ω.
The electric vehicle side detects that monitoring point 3 voltage is 8V, and what the electric vehicle confirmed its connection is GB2015 charger, and the electric vehicle switches to GB2015 circuit and gets into the flow of charging, and GB2015 charger detects that monitoring point 1 voltage is 4V this moment, confirms that interface connection is normal, gets into GB2015 flow of charging, then the stake both sides charge according to current national standard regulation flow of charging.
GB2015 forward compatible charging determination flow is shown in fig. 8, and the specific steps are as follows:
s31) when the GB2015 charger, the converter and the ChaoJi vehicle are not connected, a switch S in a vehicle plug of the charger is a normally closed switch, the initialization states of switches S2 'and Sv in the electric vehicle are both disconnected, the switch S2 is arranged at a position 0, namely, a resistor R4 c' or a resistor R4 is not connected, the electric vehicle is in a dormant state or an activated state, a monitoring point 2 in the electric vehicle is 0V, the voltage of a monitoring point 3 is 0V, and charging is not allowed; the voltage of a monitoring point 1 in the charger is 6V, and charging is not allowed.
S32) the converter is connected with an electric vehicle socket, the electric vehicle is in a dormant state or an activated state, the voltage of a monitoring point 2 in the electric vehicle is 0V, the voltage of a monitoring point 3 in the electric vehicle is 0V, and charging is not allowed; the voltage of a monitoring point 1 in the charger is 6V, and charging is not allowed.
S33) the charger is completely connected with the converter and the electric vehicle, a monitoring point 2 in the electric vehicle is 5.97V, the electric vehicle in dormancy is activated, and a monitoring point 3 is 0V, so that charging is not allowed; the voltage of the monitoring point 1 in the charger is 5.97V, and charging is not allowed.
S34) closing a switch Sv of the electric vehicle, detecting that the voltage of a monitoring point 3 is 8V, confirming that the CC2 loop is normally connected, judging that the type of the connected charger is a Chinese GB2015 system, and judging that the monitoring point 2 in the electric vehicle is 5.97V, so that charging is not allowed; the voltage of the monitoring point 1 in the charger is 5.97V, and charging is not allowed.
If the switch Sv is closed, the voltage of the monitoring point 3 is detected to be 6V, the CC2 loop connection is confirmed to be normal, the connected charger is judged to be a ChaoJi charger, namely, the converter is not used for charging, and the step S37 is carried out;
if the switch Sv is closed, the voltage of the monitoring point 3 is detected to be 2V or 4V, the CC2 loop is confirmed to be normally connected, the type of the connected charger is judged to be other versions of chargers, and the corresponding charging process is switched to.
S35) disconnecting a switch Sv of the electric vehicle, wherein the voltage of a monitoring point 3 is 0V, the voltage of a monitoring point 2 in the electric vehicle is 5.97V, and charging is not allowed; the voltage of the monitoring point 1 in the charger is 5.97V, and charging is not allowed.
S36) the electric vehicle places the switch S2 at position 1, namely, the resistor R4 c' is connected in series, and a monitoring point 2 in the electric vehicle is 3.99V, so that charging is allowed; the voltage of a monitoring point 1 in the charger is 3.99V, charging is allowed, and the two sides of the vehicle pile enter the charging process of the Chinese GB2015 charging system.
S37) closing a switch S2' of the electric vehicle, when the voltage of a monitoring point 2 is detected to be 8.73V and the charging is ready, the switch S2 is arranged at a position 2, namely a resistor R4 is connected in series, the voltage of the monitoring point 2 is 5.60V, the switch Sv is opened, and the voltage of a monitoring point 3 is 0V; the voltage of a monitoring point 1 in the charger is 5.60V; and the two sides of the vehicle pile enter a charging process of ChaoJi.
In sum, after the electric vehicle is connected with the charger through the converter, the switch Sv is turned off at the side of the electric vehicle, and the voltage of the monitoring point 3 is collected. If the voltage of the monitoring point 3 is in the range corresponding to the CHAdemo charger, the electric vehicle is switched to the CHAdemo charging process, the switch S2 is switched to the connecting resistor R4c, the charger side confirms whether the voltage of the monitoring point 1 is in the range which is reliably connected and allows safe charging, if yes, the CHAdemo charging process is started, and if not, a fault alarm is given. If the voltage of the monitoring point 3 is in the range corresponding to the CCS charger, the electric vehicle is switched to the charging process of the CCS charger, the switch S2' is closed, the switch S2 is switched to the connecting resistor R4 after the charging of the charger is ready, the charger side confirms whether the voltage of the monitoring point 1 is in the range which is reliably connected and allows safe charging, if yes, the CCS charging process is started, and if not, a fault alarm is given. If the voltage of the monitoring point 3 is in the range corresponding to the GB2015 charger, the electric vehicle is switched to the GB2015 charger charging process, the switch S2 is switched to the connecting resistor R4 c', the charger side confirms whether the voltage of the monitoring point 1 is in the range which is reliably connected and allows safe charging, if yes, the electric vehicle enters the GB2015 charging process, and if not, a fault alarm is given. If the voltage of the monitoring point 3 is in the range corresponding to the ChaoJi charger, the electric vehicle is switched to the charging process of the ChaoJi charger, the switch S2' is closed, the switch S2 is switched to the connecting resistor R4 after the charging of the charger is ready, the charger side confirms whether the voltage of the monitoring point 1 is in the range allowing charging, if yes, the charging process of the ChaoJi is started, and if not, a fault alarm is given. And if the voltage of the monitoring point 3 is not in the corresponding range of the CHADEMO charger, the CCS charger, the GB2015 charger and the ChaoJi charger, giving an alarm for the fault.
With reference to the converter and the vehicle implementation scheme, a forward compatible vehicle circuit is further designed, as shown in fig. 9, a monitoring point 3, a switch Sv, a resistor Rv, and a power supply U2 (generally 12V) are connected in series between a CC2 terminal and a PE terminal, a series circuit of the resistor Rv 'and the switch Sv' is connected in parallel with the resistor Rv, a diode D1, a monitoring point 2, a resistor R3 ', a switch S2' and a resistor R4 'are connected in series between a CC1 terminal and the PE terminal, a movable contact of a single-pole four-throw switch S2 is connected to the monitoring point 2, four stationary contacts of the movable contact of the single-pole four-throw switch are respectively floating, a resistor R4 (connected to ChaoJi or CCs), a resistor R4c (connected to CHAdeMO) and a resistor R4c connected to GB2015, and resistors R4, R4c and R4 c' are connected to the PE terminal. The recommended parameter configuration is shown in table 2.
Table 2 recommended parameter configuration table
The invention sets equivalent resistance on a CC1 loop or/and a CC2 loop, judges the type of a charger by monitoring the voltage on a CC2 line at the side of the electric vehicle, carries out charging process according to the type of the charger, and determines whether the charger is reliably connected to allow safe charging by monitoring the voltage on a CC1 line at the side of the charger, so that the electric vehicle can be charged with all common chargers on the market, and forward compatibility of a direct current charging control guide circuit is realized.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The present invention is not limited to the above embodiments, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention are included in the scope of the claims of the present invention which are filed as the application.
Claims (11)
1. The forward compatible method of the direct current charging control circuit of the electric vehicle is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a plurality of equivalent resistors matched with the charger type are connected to the CC1 loop or/and the CC2 loop;
connecting a CC2 loop, judging the type of a charger by the electric vehicle according to the monitored voltage on the CC2 line, and enabling the electric vehicle to enter a corresponding charging process; and
and (4) switching on a CC1 loop, and responding to the voltage on the CC1 line monitored by the charger within a preset normal range, and enabling the charger to enter a charging process.
2. The forward compatible method of the electric vehicle dc charging control circuit of claim 1, wherein: in response to the connection of the equivalent resistor to the CC1 loop, the connection structure of the equivalent resistor is as follows,
an equivalent resistor R 'is connected in parallel between a CC1 line and a PE line of a CC1 loop or/and an equivalent resistor R' is connected in series on a CC1 line of a CC1 loop;
in response to the connection of the equivalent resistor to the CC2 loop, the connection structure of the equivalent resistor is as follows,
the equivalent resistor Rc 'is connected in parallel between the line CC2 and the line PE of the CC2 loop or/and the equivalent resistor Rc' is connected in series on the line CC2 of the CC2 loop.
3. The forward compatible method of the electric vehicle dc charging control circuit of claim 1, wherein: and in response to the fact that the charger is a CHADEMO charger or a GB2015 charger, the CC1 loop and the CC2 loop are respectively connected with a plurality of equivalent resistors matched with the type of the charger.
4. The forward compatible method of the electric vehicle dc charging control circuit of claim 1, wherein: and in response to the charger being a CCS charger, the CC2 loop is connected with a plurality of equivalent resistors matched with the charger type.
5. Electric motor car direct current charging control circuit forward compatible circuit, its characterized in that: the cable comprises a CC1 connecting line, a CC2 connecting line and a PE connecting line;
two ends of a CC1 connecting line are respectively connected with an electric vehicle side CC1 connecting line and a charger side CC1 connecting line, two ends of a CC2 connecting line are respectively connected with an electric vehicle side CC2 connecting line and a charger side CC2 connecting line, and two ends of a PE connecting line are respectively connected with an electric vehicle side PE connecting line and a charger side PE connecting line;
the CC1 connecting line, the electric vehicle side CC1 connecting line, the charger side CC1 connecting line, the PE connecting line, the electric vehicle side PE connecting line and the charger side PE connecting line form a CC1 loop, and the CC2 connecting line, the electric vehicle side CC2 connecting line, the charger side CC2 connecting line, the PE connecting line, the electric vehicle side PE connecting line and the charger side PE connecting line form a CC2 loop;
and a plurality of equivalent resistors matched with the type of the charger are connected to the CC1 loop or/and the CC2 loop.
6. The electric vehicle direct current charging control circuit forward compatible circuit of claim 5, characterized in that: in response to the connection of the equivalent resistor to the CC1 loop, the connection structure of the equivalent resistor is as follows,
an equivalent resistor R 'is connected in parallel between a CC1 line and a PE line of a CC1 loop or/and an equivalent resistor R' is connected in series on a CC1 line of a CC1 loop; the device comprises a charging machine side CC1 connecting circuit, a CC1 connecting circuit, an electric vehicle side CC1 connecting circuit and a charging machine side CC1 connecting circuit, wherein the CC1 connecting circuit is formed by the CC1 connecting circuit, the electric vehicle side PE connecting circuit and the charging machine side PE connecting circuit;
in response to the connection of the equivalent resistor to the CC2 loop, the connection structure of the equivalent resistor is as follows,
the equivalent resistor Rc 'is connected in parallel between the CC2 line and the PE line of the CC2 loop or/and the equivalent resistor Rc' is connected in series on the CC2 line of the CC2 loop; the CC2 connecting line, the electric vehicle side CC2 connecting line and the charger side CC2 connecting line form a CC2 line.
7. The electric vehicle direct current charging control circuit forward compatible circuit of claim 6, characterized in that: in response to the connection of the equivalent resistor to the CC1 loop, the connection structure of the equivalent resistor is as follows,
an equivalent resistor R 'is connected in parallel between the CC1 connecting line and the PE connecting line or/and an equivalent resistor R' is connected in series on the CC1 connecting line;
in response to the connection of the equivalent resistor to the CC2 loop, the connection structure of the equivalent resistor is as follows,
the equivalent resistor Rc 'is connected in parallel between the CC2 connection line and the PE connection line or/and the equivalent resistor Rc' is connected in series on the CC2 connection line.
8. The electric vehicle direct current charging control circuit forward compatible circuit according to claim 5 or 7, characterized in that: in response to the fact that the charger is a CHADEMO charger, the forward compatible circuit of the direct current charging control circuit of the electric vehicle further comprises a CP connecting line, two ends of the CP connecting line are respectively connected with a CC2 connecting line at the electric vehicle side and a CP connecting line at the charger side, and an equivalent resistor Rd is connected to the CP connecting line in series.
9. The electric vehicle direct current charging control circuit forward compatible circuit of claim 5, characterized in that: and in response to the fact that the charger is a CHADEMO charger or a GB2015 charger, the CC1 loop and the CC2 loop are respectively connected with a plurality of equivalent resistors matched with the type of the charger.
10. The electric vehicle direct current charging control circuit forward compatible circuit of claim 5, characterized in that: and in response to the charger being a CCS charger, the CC2 loop is connected with a plurality of equivalent resistors matched with the charger type.
11. A converter, characterized by: comprising the circuit of claim 7 or 8, the converter being connected between an electric vehicle-side vehicle socket and a charger-side vehicle plug.
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| CN202010830051.2A CN112078392A (en) | 2020-08-18 | 2020-08-18 | Forward compatibility method, circuit and converter for direct current charging control circuit of electric vehicle |
| PCT/CN2020/134165 WO2022036935A1 (en) | 2020-08-18 | 2020-12-07 | Forward compatibility method and circuit for direct-current charging control circuit of electric vehicle, and converter |
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| CN202010830051.2A CN112078392A (en) | 2020-08-18 | 2020-08-18 | Forward compatibility method, circuit and converter for direct current charging control circuit of electric vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112905402A (en) * | 2021-03-25 | 2021-06-04 | 长春捷翼汽车零部件有限公司 | Pilot circuit simulation device and pilot circuit compatibility test method |
| CN113602123A (en) * | 2021-08-27 | 2021-11-05 | 阳光电源股份有限公司 | Direct-current charging pile and charging control method |
| WO2022193626A1 (en) * | 2021-03-19 | 2022-09-22 | 长春捷翼汽车零部件有限公司 | Charging control guide circuit and charging socket |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703423A (en) * | 2016-01-22 | 2016-06-22 | 珠海市魅族科技有限公司 | Charging control method, charging equipment, and charging system |
| US20170368953A1 (en) * | 2016-06-24 | 2017-12-28 | Volkswagen Ag | Electric charging of electric vehicles by adapter for signal conversion |
| US20180354374A1 (en) * | 2017-06-13 | 2018-12-13 | Hyundai Motor Company | System and method of controlling charge of vehicle battery |
| CN109969018A (en) * | 2019-04-15 | 2019-07-05 | 浙江英伦汽车有限公司 | A kind of vehicle DC charging unit and vehicle |
| CN111525356A (en) * | 2020-05-06 | 2020-08-11 | 东风小康汽车有限公司重庆分公司 | Charging gun and charging device compatible with external discharging and vehicle charging functions |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901094A (en) * | 2015-06-23 | 2015-09-09 | 上海埃士工业科技有限公司 | Direct-charging conversion connector for converting national standard charging interface into non-national standard charging interface |
| CN207165869U (en) * | 2017-07-31 | 2018-03-30 | 西安特锐德智能充电科技有限公司 | One kind charging switching device |
| CN111355106A (en) * | 2018-12-20 | 2020-06-30 | 观致汽车有限公司 | Electric discharge device of electric automobile |
| CN109774528B (en) * | 2018-12-25 | 2021-06-18 | 国网电力科学研究院有限公司 | Direct-current charging control guide circuit and control method for electric automobile |
| CN111431256A (en) * | 2020-04-17 | 2020-07-17 | 江阴信邦电子有限公司 | Portable self-adaptive charging system for charging pile |
-
2020
- 2020-08-18 CN CN202010830051.2A patent/CN112078392A/en active Pending
- 2020-12-07 WO PCT/CN2020/134165 patent/WO2022036935A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703423A (en) * | 2016-01-22 | 2016-06-22 | 珠海市魅族科技有限公司 | Charging control method, charging equipment, and charging system |
| US20170368953A1 (en) * | 2016-06-24 | 2017-12-28 | Volkswagen Ag | Electric charging of electric vehicles by adapter for signal conversion |
| US20180354374A1 (en) * | 2017-06-13 | 2018-12-13 | Hyundai Motor Company | System and method of controlling charge of vehicle battery |
| CN109969018A (en) * | 2019-04-15 | 2019-07-05 | 浙江英伦汽车有限公司 | A kind of vehicle DC charging unit and vehicle |
| CN111525356A (en) * | 2020-05-06 | 2020-08-11 | 东风小康汽车有限公司重庆分公司 | Charging gun and charging device compatible with external discharging and vehicle charging functions |
Non-Patent Citations (1)
| Title |
|---|
| 国家电网有限公司: "充电控制导引电路与控制原理", 《电动汽车CHAOJI传导充电技术白皮书》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022193626A1 (en) * | 2021-03-19 | 2022-09-22 | 长春捷翼汽车零部件有限公司 | Charging control guide circuit and charging socket |
| CN112905402A (en) * | 2021-03-25 | 2021-06-04 | 长春捷翼汽车零部件有限公司 | Pilot circuit simulation device and pilot circuit compatibility test method |
| CN113602123A (en) * | 2021-08-27 | 2021-11-05 | 阳光电源股份有限公司 | Direct-current charging pile and charging control method |
| CN113602123B (en) * | 2021-08-27 | 2023-09-29 | 阳光电源股份有限公司 | DC charging pile and charging control method |
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|---|---|
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