CN109941135A - Charging interface conversion device, charge control method and computer storage medium - Google Patents
Charging interface conversion device, charge control method and computer storage medium Download PDFInfo
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- CN109941135A CN109941135A CN201910249093.4A CN201910249093A CN109941135A CN 109941135 A CN109941135 A CN 109941135A CN 201910249093 A CN201910249093 A CN 201910249093A CN 109941135 A CN109941135 A CN 109941135A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 50
- 238000004590 computer program Methods 0.000 claims abstract description 7
- 238000012790 confirmation Methods 0.000 claims description 42
- 238000004891 communication Methods 0.000 claims description 23
- 239000013256 coordination polymer Substances 0.000 claims description 14
- 239000003054 catalyst Substances 0.000 claims 1
- 239000011541 reaction mixture Substances 0.000 claims 1
- 230000001131 transforming effect Effects 0.000 claims 1
- 230000001276 controlling effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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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
- 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
- B60L53/10—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 the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
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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
-
- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- 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)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides a kind of charging interface conversion device, comprising: shell；Seven core sockets, are set on shell, connect for seven core plugs with electric vehicle；At least one plug, one end of plug are connected to shell, and the other end with the socket of charging equipment for connecting；Converter, the converter is electrically connected with the seven cores socket and the plug respectively, for the connection signal of plug to be converted to the power supply signal and connection signal of seven core sockets.The versatility for improving equipment in charging process, improves charge efficiency, reduces the cost of charging equipment.In addition, the present invention also provides a kind of charge control method, computer equipment, computer readable storage medium and computer program products.
Description
Technical Field
The present invention relates to the field of charging equipment for electric vehicles, and in particular, to a charging interface conversion apparatus for improving the adaptability between an electric vehicle and the charging equipment, a charging control method, a computer device, a computer-readable storage medium, and a computer program product.
Background
With the continuous improvement of the scientific and technological level and the living standard of people, more and more people start to buy the car to promote the convenience of life, improve the quality of life. However, as the capacity of the current automobiles is continuously increased, the emission of automobile exhaust has great influence on the ecological environment. In order to improve the increasingly worsened ecological environment, the electric vehicle is produced, the electric vehicle provides energy to drive the vehicle to run through electric power, automobile exhaust cannot be generated in the running process, and the electric vehicle has great effects of reducing the automobile exhaust and improving the environmental pollution.
The core composition of the electric vehicle is a battery, but the electric vehicle is limited by the upper limit of the electric quantity of the battery, and in order to realize convenient and quick use of a user, network building and optimized charging of charging equipment are very important. The existing charging is divided into fast charging and slow charging, and due to the charging specification and the technical problem of batteries, most of the existing charging methods are slow charging modes; the deployment equipment is divided into household charging equipment and public charging, and the charging mode is divided into alternating current charging and direct current charging. Because the difference such as charging wire/the requirement of charging/specification of charging, present domestic charging equipment is mostly three-core slot, and public charging equipment is mostly seven cores nine-core slot, because the car-mounted is equipped with the charging wire and is mostly an interface mode and can't compromise two types and charge, and the price cost and the space cost of three kinds of rifle that charge of configuration simultaneously are too high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a charging interface conversion device which is used for interface switching, so that one charging wire can be matched with various charging interfaces, and the charging efficiency is improved; the invention also provides a charging control method, computer equipment, a computer storage medium and a computer program product.
In order to realize the purpose, the following technical scheme is adopted:
in a first aspect, the present invention provides a charging interface conversion apparatus, including:
a housing;
the seven-core socket is arranged on the shell and is used for being connected with a seven-core plug of the electric vehicle;
one end of the plug is connected to the shell, and the other end of the plug is used for being connected with a socket of the charging equipment;
the converter is electrically connected with the seven-core socket and the plug respectively and is used for converting the connection signal of the control plug into a power signal and a connection signal of the seven-core socket.
In a second aspect, the present invention provides a charging control method, including the steps of:
detecting a first connection signal and a second connection signal, wherein the second connection signal comprises a power signal and a connection signal;
synchronizing the first connection signal and the second connection signal, and controlling the first connection signal to be converted into the second connection signal;
and starting charging.
In a third aspect, a computer device comprises:
a memory for storing executable instructions; and the number of the first and second groups,
a processor for executing the executable instructions to perform the charging control method according to the second aspect.
In a fourth aspect, a computer storage medium stores computer-readable instructions that, when executed, implement the charging control method according to the second aspect.
In a fifth aspect, a computer program product comprising computer readable code which, when run on a device, a processor in the device executes instructions for implementing the charging control method according to the second aspect.
The invention has the beneficial effects that:
the charging interface conversion device provided by the invention is provided with the electric vehicle end interface and the charging equipment end interface, and the converter is arranged to realize the signal conversion between the electric vehicle end interface and the charging equipment end interface, so that the charging connection of the electric vehicle and the charging equipment is realized under the condition that the interfaces are different, the universality of the equipment in the charging process is improved, the condition that a connecting device is additionally arranged is avoided, the charging efficiency is improved, and the cost of the charging equipment is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, and it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope of the present invention.
Fig. 1 is a schematic diagram illustrating the result of the charging interface conversion apparatus provided in the present invention;
FIG. 2 is a schematic block diagram of a charging interface conversion apparatus according to the present invention;
FIG. 3 is a schematic block diagram of a control unit and some components of the charging interface conversion apparatus according to the present invention;
fig. 4 is a schematic flow chart of a charging control method according to the present invention;
FIG. 5 is a schematic diagram illustrating a first process of signal conversion in the charging control method according to the present invention;
fig. 6 is a schematic diagram of a second process of signal conversion in the charging control method according to the present invention.
Detailed Description
Hereinafter, various embodiments of the present invention will be described more fully. The invention is capable of various embodiments and of modifications and variations therein. However, it should be understood that: there is no intention to limit various embodiments of the invention to the specific embodiments disclosed herein, but on the contrary, the intention is to cover all modifications, equivalents, and/or alternatives falling within the spirit and scope of various embodiments of the invention.
Hereinafter, the terms "includes" or "may include" used in various embodiments of the present invention indicate the presence of disclosed functions, operations, or elements, and do not limit the addition of one or more functions, operations, or elements. Furthermore, as used in various embodiments of the present invention, the terms "comprises," "comprising," "includes," "including," "has," "having" and their derivatives are intended to mean that the specified features, numbers, steps, operations, elements, components, or combinations of the foregoing, are only meant to indicate that a particular feature, number, step, operation, element, component, or combination of the foregoing, is not to be understood as first excluding the existence of, or adding to the possibility of, one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.
In various embodiments of the invention, the expression "a or/and B" includes any or all combinations of the words listed simultaneously, e.g., may include a, may include B, or may include both a and B.
Expressions (such as "first", "second", and the like) used in various embodiments of the present invention may modify various constituent elements in various embodiments, but may not limit the respective constituent elements. For example, the above description does not limit the order and/or importance of the elements described. The foregoing description is for the purpose of distinguishing one element from another. For example, the first user device and the second user device indicate different user devices, although both are user devices. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of various embodiments of the present invention.
It should be noted that: in the present invention, unless otherwise explicitly stated or defined, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; there may be communication between the interiors of the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, it should be understood by those skilled in the art that the terms indicating an orientation or a positional relationship herein are based on the orientations and the positional relationships shown in the drawings and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation and operate, and thus, should not be construed as limiting the present invention.
The terminology used in the various embodiments of the present invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the various embodiments of the present invention. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the various embodiments of the present invention belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Referring to fig. 1 and fig. 2 together, an embodiment of the present invention provides a charging interface conversion apparatus 100, which is applied to a charging device for charging an electric vehicle, and when an interface between the charging device and the electric vehicle is different, the charging interface conversion apparatus 100 converts a signal between the charging device and the electric vehicle. In this embodiment, the charging device is a charging device, and is disposed in a parking space of a community parking lot.
The charging interface conversion apparatus 100 includes:
a housing 10;
a seven-core socket 20 disposed on the housing 10 for connecting with a seven-core plug of an electric vehicle;
at least one plug 30, one end of the plug 30 is connected to the housing 10, and the other end is used for connecting with a socket of the charging device;
the converter 40 is electrically connected to the seven-core socket 20 and the plug 30, and is configured to control the connection signal of the plug 30 to be converted into a power signal and a connection signal of the seven-core socket 20.
In this embodiment, the charging interface conversion apparatus 100 sets a socket adapted to a seven-core plug of the electric vehicle and a plug adapted to the charging device, and sets a converter between the socket and the plug, and simulates signals of the seven-core socket and the plug interface through the converter, so that connection signals of the charging device are converted into signals capable of being adapted to the electric vehicle, specifically including power signals and connection signals, where the power signals are charged by the electric vehicle, and the connection signals are charged by the electric vehicle for connection control. The conversion of the interface is realized, so that the electric vehicle can realize connection adaptation and normal charging under the condition that the electric vehicle does not have a charging plug adaptive to the interface of the charging equipment.
Further, the converter 40 includes an inverter unit 41 and a control unit 42, the inverter unit 41 is respectively connected to the power line of the seven-core socket 20 and the power line of the plug 30, and is configured to convert the power signal of the plug 30 into the power signal of the seven-core socket 20; the control unit 42 is connected with the inverter unit 41 and is connected with the signal line of the seven-core socket 42, and the control unit is used for converting the connection signal of the plug 30 and the connection signal of the seven-core socket 20.
In this embodiment, the connection line of the seven-core socket 20 includes a power line and a signal line, the connection line of the plug 30 includes at least a power line, and the inverter unit 41 of the converter 40 is connected to the power lines of the seven-core socket 20 and the plug 30, respectively, to convert the power signals of the two; the control module 42 is connected with the signal wire of the seven-core socket 20, and in the charging preparation process, after the plug 30 and the seven-core socket 20 are connected, the control module 42 controls the signal wire of the seven-core socket 20 to be conducted according to the connection condition of the connecting wire, so that the normal connection of the seven-core socket 20 is realized, and the interface signal conversion between the seven-core socket 20 and the plug 30 is realized.
Further, referring to fig. 3, the plug 30 is a three-pin plug, and a ground wire (PE1) of the three-pin plug is connected to a ground wire (PE2) of the seven-pin jack 20.
In the present embodiment, the plug 30 is a three-pin plug, the connection line of the three-pin plug includes a power supply line and a ground line, and the ground line (PE1) of the three-pin plug is connected to the ground line (PE2) of the seven-pin jack 20, thereby synchronizing the ground signals between the jack and the plug.
In another embodiment, the plug 30 is a nine-pin plug, the ground line (PE3) of the nine-pin plug is connected to the ground line (PE2) of the seven-pin jack 20, and the control unit 42 is further connected to the signal line of the nine-pin plug.
In this embodiment, the plug 30 is a nine-core plug, the connection line of the nine-core plug actually includes a power line, a ground line and a signal line, the ground line (PE3) of the nine-core plug is connected with the ground line (PE2) of the seven-core socket 20, and the synchronization of the ground signals of the plug and the socket is realized; the signal lines of the nine-core plug are connected through the signal lines of the control unit 42 and the seven-core socket 20, and the control unit 42 respectively simulates signals conducted with the signal lines of the plug and the socket to realize the synchronization of the signals of the plug and the socket and realize the connection of the plug and the socket.
Further, the power line of the seven-core socket 20 is a three-phase power line (L1, L2, L3, N), the power line of the three-core plug is an ac power line (L, N), the inverter unit 41 includes a rectifier 411, a current limiter 412 and a three-phase rectifier 413, and the inverter unit 41 converts the power signal of the three-core plug into a three-phase ac power signal after rectification, current limiting and three-phase rectification.
In this embodiment, the inverter unit 41 specifically includes a three-phase rectifier 413 of a rectifier 411 and a current limiter 412, and the three devices process the power signal of the three-core plug to obtain a three-phase ac power signal, and output the three-phase ac power signal to the three-phase power line of the seven-core socket 20, thereby implementing power signal conversion between the plug and the socket. Specifically, the rectifier 411 is a full-wave rectifier, and after full-wave rectification is performed on a sinusoidal alternating-current power signal of a three-core plug, a negative half area signal in the power signal is subjected to positive polarization to form a continuous positive waveform power signal; the current limiter 412 specifically includes a freewheeling inductor, an energy storage capacitor, and a switching tube, and performs current limiting processing on the signal rectified by the rectifier to form a pulsating dc power supply signal; the three-phase rectifier 413 processes the pulsating dc power signal to form a three-phase ac power signal.
Furthermore, the power lines of the seven-core socket 20 are three-phase power lines (L1, L2, L3, N), the power line of the nine-core plug is a direct current power line (DC +, DC-), the inverter unit 41 includes a transformer 414 and a three-phase rectifier 413, and the inverter unit 41 transforms and three-phase rectifies the power signals of the nine-core plug into three-phase alternating current power signals.
In the present embodiment, the inverter unit 41 transforms a power signal of the nine-core plug and performs three-phase rectification to form a three-phase ac power signal. Specifically, the power signal of the nine-pin plug is a smooth dc power signal, and the transformer 414 is actually a dc transformer that processes the smooth dc power signal to form a pulsating dc power signal; the three-phase rectifier 413 processes the pulsating dc power signal to form a three-phase ac power signal.
Further, the signal lines of the nine-core plug comprise a charging communication connection line (S +, S-), a charging confirmation connection line (CC1, CC2), and a low-voltage auxiliary power line (A +, A-), and the signal lines of the seven-core socket comprise a charging confirmation connection line (CC) and a control guide connection line (CP); the charging confirmation connecting wire (CC1) is connected with the control unit and is connected with the grounding wire (PE3) through a resistor; the low-voltage auxiliary power line (A +, A-) is connected with the control unit and is connected with the control guide connecting line (CP) through the control unit; the charging communication connecting line (S + and S-) is connected with the control unit, and the charging confirmation connecting line (CC2) is connected with the charging confirmation connecting line (CC) through the control unit; the control unit is used for receiving a conduction signal of the charging confirmation connecting line (CC1), controlling the conduction of the low-voltage auxiliary power line (A +, A-) and the conduction of the control guide connecting line (CP), controlling the conduction of the charging confirmation connecting line (CC2) and the charging connection confirmation connecting line (CC), controlling the communication connection of the charging communication connecting lines (S +, S-) and controlling the communication of the connecting signals according to a preset time sequence relation so as to simulate the communication connection of the charging equipment and the electric vehicle.
In this embodiment, the signal lines of the nine-core plug include six signal lines, the seven-hole socket includes two signal lines, the signal lines are respectively connected with the control unit 42, the control unit 42 controls the conduction of the signal lines through logic, the signal connection of the plug and the socket is simulated, and the corresponding connection signal communication is further controlled according to a preset time sequence relationship, so as to meet the standard requirement of charging of the charging device, so as to realize the connection of the plug and the socket, and realize normal charging. Optionally, the preset time sequence relationship may refer to a charging connection process and a control time sequence in the GBT 18487.12015 electric vehicle conduction charging system.
Referring to fig. 3, in another embodiment, the power line of the three-pin plug is connected to the charging confirmation connection line (CC) and the control guide connection line (CP) of the seven-pin socket through the control unit 42. In this embodiment, the power signal of the three-core plug is connected to the control unit 42, and the signal connection between the plug and the socket is simulated by controlling the conduction of each signal line through logic, so as to realize the connection between the plug and the socket and realize normal charging.
Further, the control unit 42 includes a control subunit 421 and a switch subunit 422, the control subunit 421 connects the charging confirmation connection line (CC) of the seven-core socket with the corresponding connection line, and the switch subunit 422 connects the control guidance connection line (CP) of the seven-core socket with the corresponding connection line.
In this embodiment, the charging confirmation connection line (CC) of the seven-core jack is controlled to be conducted by the control subunit 421, and the leading connection line (CP) is controlled to be conducted by the switch subunit 422. Specifically, the control subunit 421 is actually configured as a single chip, and includes a processor and a memory, where the memory stores data that can be controlled and correlated.
Further, the low-voltage auxiliary power line (a +, a-) is connected to the control subunit 421 and the switch subunit 422 through the dc transformer, respectively.
In this embodiment, specifically, the low-voltage auxiliary power line (a +, a-) of the nine-core plug converts the electrical signal into a 12V dc electrical signal through the transformer, and then provides a 3.3V electrical signal to the control subunit 421 through the transformer, so as to turn on the charging confirmation connection line (CC); and, provide the electrical signal of 12V to the switch subunit 422, and then turn on and control the lead connecting wire (CP); therefore, the signal conversion between the nine-core plug and the seven-core socket is realized.
In another embodiment, the ac power line (L, N) is connected to the control subunit 421 and the switch subunit 422, respectively, via an ac transformer and a dc transformer in sequence.
In this embodiment, the plug 30 is a three-pin plug, and a power supply line (L, N) of the three-pin plug converts an electrical signal into a 12V dc electrical signal through a transformer, and then provides a 3.3V electrical signal to the control subunit 421 through the transformer, so as to conduct the charging confirmation connection line (CC); and, provide the electrical signal of 12V to the switch subunit 422, and then turn on and control the lead connecting wire (CP); therefore, the signal conversion between the nine-core plug and the seven-core socket is realized.
It can be understood that, in the embodiment of the present invention, the charging interface conversion apparatus 100 includes the seven-core socket 20 and two plugs, where the two plugs are respectively a three-core plug and a nine-core plug, so as to meet the requirement that the three-core charging interface and the nine-core charging interface can be converted to realize charging, and the structure is simple and the adaptability is good. In other embodiments, the number of plugs may be set as desired, for example, as a three-pin plug or a nine-pin plug alone, to achieve single-mode interface conversion.
Referring to fig. 4, an embodiment of the present invention provides a charging control method, including:
step S10, detecting a first connection signal;
step S20, synchronizing the first connection signal, and converting the first connection signal into a second connection signal, where the second connection signal includes a power signal and a connection signal;
and step S30, performing charging according to the second connection signal.
In this embodiment, the first connection signal is a signal that the charging device is actually connected to the charging interface conversion device, and the second connection signal is a signal that the electric vehicle is actually connected to the charging interface conversion device. After the first connection signal is received, the signals are synchronized, the first connection signal is converted into a second connection signal, charging connection between the charging equipment and the electric vehicle is achieved, and charging is carried out according to the second connection signal. Specifically, the power signal of the second connection signal charges the electric vehicle.
Further, the first connection signal includes a power signal, and the power signals of the first connection signal and the second connection signal are an ac power signal and a three-phase ac power signal, respectively, and control the ac power signal to be converted into the three-phase ac power signal. In this embodiment, the first connection signal is equivalent to the connection signal of the plug, the second connection signal is equivalent to the connection signal of the seven-core socket, and the power signal conversion process of the first connection signal and the second connection signal is the same as the power signal conversion process of the charging interface conversion device, and is not repeated herein.
In another embodiment, the power signals of the first connection signal and the second connection signal are a dc power signal and a three-phase ac power signal, respectively, and the dc power signal is controlled to be converted into the three-phase ac power signal. In this embodiment, the power signal conversion process of the first connection signal and the second connection signal is the same as the power signal conversion process in the charging interface conversion apparatus, and is not described herein again.
Referring to fig. 5, the first connection signal further includes a connection signal, and the connection signal of the first connection signal includes a first connection confirmation signal and a second connection confirmation signal, a low-voltage auxiliary power signal, and a charging communication connection signal; the connection signal of the second connection signal comprises a third connection confirmation signal machine control guide connection signal; wherein, the step of synchronizing the first connection signal and the second connection signal to control the first connection signal to be converted into the second connection signal specifically includes:
step S21, turning on the first connection confirmation signal path;
step S22, turning on the low-voltage auxiliary power supply signal path;
step S23, turning on the control pilot connection signal path;
step S24, turning on the second charge confirmation connection signal path and the third charge confirmation connection signal path;
and step S25, turning on the control charging communication connection signal path.
In the present embodiment, the first connection signal corresponds to the connection signal of the nine-core plug, and the second connection signal corresponds to the connection signal of the seven-core jack; the path for conducting each signal is actually a connection line for conducting the corresponding signal, for example, the first connection confirmation signal path is conducted, and the first connection confirmation signal connection line is actually conducted. The conversion of the first connection signal and the second connection signal is the same as the signal conversion process in the charging interface conversion device, and is not described herein again.
Further, the low-voltage auxiliary power signal is a dc signal, and after the step S22 turns on the low-voltage auxiliary power signal path and before the step S23 turns on the control pilot connection signal path, the method further includes:
in step S26, the dc signal of the low-voltage auxiliary power signal is transformed into a dc power-on signal.
Referring to fig. 6, in another embodiment, the first connection signal includes a power signal, and the connection signal of the second connection signal includes a third connection confirmation signal control pilot connection signal; wherein, the step of synchronizing the first connection signal and the second connection signal to control the first connection signal to be converted into the second connection signal specifically includes:
step S21, turning on the control pilot connection signal path;
in step S22, the third charge confirmation connection signal path is turned on.
In this embodiment, the first connection signal corresponds to the connection signal of the three-core plug, the second connection signal corresponds to the connection signal of the seven-core socket, and the conversion of the first connection signal and the second connection signal is the same as the signal conversion process in the charging interface conversion device, and is not described herein again.
Further, before the step S21' turns on the control pilot connection signal path, the method further includes:
in step S23, the ac signal in the first connection signal is converted into a dc power-on signal.
Further, the step S30, specifically, the charging according to the second connection signal includes:
and controlling the connection signal communication according to a preset time sequence relation so as to realize the communication connection between the charging equipment and the electric vehicle and charge.
In this embodiment, optionally, the preset time sequence relationship may refer to a charging connection process and a control time sequence in GBT 18487.12015 electric vehicle conduction charging system; and controlling signal communication according to a preset time sequence relation, realizing the connection of the plug and the socket and realizing normal charging.
The charging interface conversion device provided by the embodiment of the invention is provided with the electric vehicle end interface and the charging equipment end interface, and the converter is arranged to realize the signal conversion between the electric vehicle end interface and the charging equipment end interface, so that the electric vehicle and the charging equipment can realize charging connection under the condition of different interfaces, the universality of the equipment in the charging process is improved, the condition of additionally arranging a connection device is avoided, the charging efficiency is improved, and the cost of the charging equipment is reduced.
The embodiment of the invention also provides computer equipment, wherein the memory is used for storing the executable instruction; and the processor is used for executing the executable instructions so as to complete the charging control method.
The embodiment of the invention also provides a computer storage medium for storing computer readable instructions, and the instructions are executed to implement the charging control method.
Embodiments of the present invention also provide a computer program product, which includes computer readable code, and when the computer readable code runs on a device, a processor in the device executes instructions for implementing the charging control method described above.
In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and bus dynamic RAM (RDRAM).
The above-described embodiments are merely illustrative of several embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, other various changes and modifications can be made according to the above-described technical solutions and concepts, and all such changes and modifications should fall within the protection scope of the present invention.
Claims (20)
1. A charging interface conversion apparatus, comprising:
a housing;
the seven-core socket is arranged on the shell and is used for being connected with a seven-core plug of the electric vehicle;
one end of the plug is connected to the shell, and the other end of the plug is used for being connected with a socket of the charging equipment;
the converter is electrically connected with the seven-core socket and the plug respectively and is used for converting a connection signal of the plug into a power signal and a connection signal of the seven-core socket.
2. The charging interface conversion device according to claim 1, wherein the converter comprises an inverter unit and a control unit, the inverter unit is respectively connected with a power line of the seven-core socket and a power line of the plug, and the inverter unit is used for converting a power signal of the plug into a power signal of the seven-core socket; the control unit is connected with the inversion unit and is connected with the signal wire of the seven-core socket, and the control unit is used for converting the connection signal of the control plug into the connection signal of the seven-core socket.
3. The charging interface conversion device of claim 2, wherein the plug is a three-pin plug, and a ground wire (PE1) of the three-pin plug is connected with a ground wire (PE2) of the seven-pin socket; and/or the presence of a catalyst in the reaction mixture,
the plug is a nine-core plug, a grounding wire (PE3) of the nine-core plug is connected with a grounding wire (PE2) of the seven-core socket, and the control unit is also connected with a signal wire of the nine-core plug.
4. The charging interface conversion device of claim 3, wherein the power line of the seven-core socket is a three-phase power line (L1, L2, L3, N), the power line of the three-core plug is an AC power line (L, N), the inverter unit comprises a rectifier, a current limiter and a three-phase rectifier, and the inverter unit converts the power signal of the three-core plug into a three-phase AC power signal after rectifying, current limiting and three-phase rectifying.
5. The charging interface conversion device according to claim 3, wherein the power lines of the seven-core socket are three-phase power lines (L1, L2, L3, N), the power lines of the nine-core plug are direct current power lines (DC +, DC-), the inverter unit comprises a transformer and a three-phase rectifier, and the inverter unit transforms and rectifies the three-phase power signals of the nine-core plug into three-phase alternating current power signals.
6. The charging interface conversion device according to claim 3, wherein the signal lines of the nine-pin plug include a charging communication connection line (S +, S-), a charging confirmation connection line (CC1, CC2), and a low voltage auxiliary power line (A +, A-), and the signal lines of the seven-pin socket include a charging confirmation connection line (CC) and a control guide connection line (CP); the charging confirmation connecting wire (CC1) is connected with the control unit and is connected with the grounding wire (PE3) through a resistor; the low-voltage auxiliary power line (A +, A-) is connected with the control unit and is connected with the control guide connecting line (CP) through the control unit; the charging communication connecting line (S + and S-) is connected with the control unit, and the charging confirmation connecting line (CC2) is connected with the charging confirmation connecting line (CC) through the control unit;
the control unit is used for receiving a conduction signal of the charging confirmation connecting line (CC1), controlling the conduction of the low-voltage auxiliary power line (A +, A-) and the conduction of the control guide connecting line (CP), controlling the conduction of the charging confirmation connecting line (CC2) and the charging connection confirmation connecting line (CC), controlling the communication connection of the charging communication connecting lines (S +, S-) and controlling the communication of the connecting signals according to a preset time sequence relation so as to simulate the communication connection of the charging equipment and the electric vehicle.
7. The charging interface conversion device of claim 3, wherein the power cord of the three-plug is connected to the charging confirmation connection line (CC) and the control guide connection line (CP) through the control unit; wherein the power line is connected to the charging confirmation connection line (CC) and the control guide connection line (CP) through the control unit.
8. The charging interface conversion device according to claim 6 or 7, wherein the control unit comprises a control subunit and a switch subunit, the control subunit connects the charging confirmation connection line (CC) of the seven-core socket with the corresponding connection line, and the switch subunit connects the control guidance connection line (CP) of the seven-core socket with the corresponding connection line.
9. The charging interface conversion device according to claim 8, wherein the low voltage auxiliary power line (a +, a-) is connected to the control subunit and the switch subunit through a dc transformer respectively.
10. The charging interface conversion device according to claim 8, wherein the ac power line (L, N) is connected to the control subunit and the switch subunit through an ac transformer and a dc transformer, respectively.
11. A charge control method, characterized by comprising the steps of:
detecting a first connection signal;
synchronizing the first connection signal and converting the first connection signal into a second connection signal, wherein the second connection signal comprises a power signal and a connection signal;
and charging according to the second connection signal.
12. The charge control method according to claim 11, wherein the first connection signal includes a power signal, the power signal in the first connection signal is an ac power signal, the power signal in the second connection signal is a three-phase ac power signal, and the ac power signal is converted into a three-phase ac power signal; or,
the power signal in the first connection signal is a direct current power signal, the power signal in the second connection signal is a three-phase alternating current power signal, and the direct current power signal is converted into a three-phase alternating current power signal.
13. The charge control method according to claim 11, wherein the first connection signal further comprises a connection signal, and the connection signal in the first connection signal comprises a first connection confirmation signal and a second connection confirmation signal, a low-voltage auxiliary power signal, a charge communication connection signal; the connection signal of the second connection signal comprises a third connection confirmation signal machine control guide connection signal; wherein the synchronizing the first connection signal and converting the first connection signal into a second connection signal specifically includes:
turning on the first connection confirmation signal path;
conducting the low-voltage auxiliary power supply signal path;
conducting the control guide connection signal path;
turning on the second charge confirmation connection signal path and the third charge confirmation connection signal path;
and conducting the control charging communication connection signal path.
14. The charge control method of claim 13, wherein the low-voltage auxiliary power signal is a dc signal, and wherein after said turning on the low-voltage auxiliary power signal path and before said turning on the control pilot connection signal path, the method further comprises:
and transforming the direct current signal of the low-voltage auxiliary power supply signal into a direct current conducting power supply signal.
15. The charge control method according to claim 11, wherein the first connection signal includes a power supply signal, and the connection signal of the second connection signal includes a third connection confirmation signal control pilot connection signal; wherein the synchronizing the first connection signal and converting the first connection signal into a second connection signal specifically includes:
conducting the control guide connection signal path;
and turning on the third charging confirmation connection signal path.
16. The method of claim 15, wherein the power signal in the first connection signal is an ac signal, and before turning on the control pilot connection signal path, the method further comprises:
and converting the alternating current signal in the first connecting signal into a direct current conducting power supply signal.
17. The charging control method according to any one of claims 11 to 16, wherein the performing charging according to the second connection signal specifically includes:
and controlling the connection signal communication according to a preset time sequence relation so as to realize the communication connection between the charging equipment and the electric vehicle and charge.
18. A computer device, comprising:
a memory for storing executable instructions; and the number of the first and second groups,
a processor for executing the executable instructions to perform the charging control method of any one of claims 11 to 17.
19. A computer storage medium storing computer readable instructions, wherein the instructions, when executed, implement the charging control method according to any one of claims 11 to 17.
20. A computer program product comprising computer readable code, characterized in that when the computer readable code is run on a device, a processor in the device executes instructions for implementing a charging control method according to any one of claims 11 to 17.
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| CN201910249093.4A CN109941135A (en) | 2019-03-29 | 2019-03-29 | Charging interface conversion device, charge control method and computer storage medium |
| PCT/CN2019/088569 WO2020199331A1 (en) | 2019-03-29 | 2019-05-27 | Charging interface conversion apparatus, charging control method, and computer storage medium |
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| CN201910249093.4A CN109941135A (en) | 2019-03-29 | 2019-03-29 | Charging interface conversion device, charge control method and computer storage medium |
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| CN201910249093.4A Pending CN109941135A (en) | 2019-03-29 | 2019-03-29 | Charging interface conversion device, charge control method and computer storage medium |
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