CN110182079B - Charging device, charging method, computer equipment and computer-readable storage medium - Google Patents

Charging device, charging method, computer equipment and computer-readable storage medium Download PDF

Info

Publication number
CN110182079B
CN110182079B CN201910665483.XA CN201910665483A CN110182079B CN 110182079 B CN110182079 B CN 110182079B CN 201910665483 A CN201910665483 A CN 201910665483A CN 110182079 B CN110182079 B CN 110182079B
Authority
CN
China
Prior art keywords
voltage
electric automobile
charging
power supply
resistor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201910665483.XA
Other languages
Chinese (zh)
Other versions
CN110182079A (en
Inventor
石宝辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evergrande Hengchi New Energy Automobile Research Institute Shanghai Co Ltd
Original Assignee
Hengda Wisdom Charging Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hengda Wisdom Charging Technology Co Ltd filed Critical Hengda Wisdom Charging Technology Co Ltd
Priority to CN201910665483.XA priority Critical patent/CN110182079B/en
Priority to PCT/CN2019/099872 priority patent/WO2021012320A1/en
Publication of CN110182079A publication Critical patent/CN110182079A/en
Application granted granted Critical
Publication of CN110182079B publication Critical patent/CN110182079B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • 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

Abstract

The invention provides a charging device, a charging method, computer equipment and a computer readable storage medium, wherein the charging device comprises a rectifier, a control guide CP signal wire and a protection grounding PE wire which are coupled with a charging pile, and a power supply, wherein the rectifier is used for converting a voltage signal input by the CP signal wire into a positive voltage; and the voltage converter is connected with a connection control system of the electric automobile and/or a charging system of the electric automobile and used for converting the positive voltage output by the rectifier into stable power supply voltage, and the stable power supply voltage is used for supplying power for the connection control system of the electric automobile and/or supplying power for the charging system of the electric automobile. The device provided by the invention can enable the charging pile to charge the electric automobile under the condition that the battery of the electric automobile is not charged.

Description

Charging device, charging method, computer equipment and computer-readable storage medium
Technical Field
The present invention relates to the field of charging, and in particular, to a charging device, a charging method, a computer device, and a computer-readable storage medium.
Background
At present, electric automobiles are increasing continuously, and the electric automobiles drive vehicles to run through electric power. The user uses to fill electric pile and charges for electric automobile. However, under the condition that the vehicle-mounted storage battery of the electric automobile is not charged, the charging pile cannot charge the electric automobile.
Disclosure of Invention
The invention provides a charging device, a charging method, computer equipment and a computer readable storage medium, which are configured on an electric automobile and can enable a charging pile to charge the electric automobile under the condition that a battery of the electric automobile is not charged.
In order to achieve the above object, a first aspect of the present invention provides a charging device including:
the rectifier is coupled to a control guide CP signal line and a protection grounding PE line of the charging pile and used for converting a voltage signal input by the CP signal line into a positive voltage; and the voltage converter is connected with a connection control system of the electric automobile and/or a charging system of the electric automobile and used for converting the positive voltage output by the rectifier into stable power supply voltage, and the stable power supply voltage is used for supplying power for the connection control system of the electric automobile and/or supplying power for the charging system of the electric automobile.
Optionally, the rectifier includes a diode D1, a diode D2, a diode D5, a diode D4; the CP signal wire and the anode of the D1 are connected with the cathode of the D4; the cathode of the D1 is connected with the anode of the D2, and the voltage of the cathode of the D1 is used as the input voltage of the voltage converter; the negative electrode of the D2 and the positive electrode of the D5 are connected with a PE wire; the positive electrode of the D4 is connected with the negative electrode of the D5.
Optionally, the rectifier further comprises a diode D3, and the D3 is configured to clamp the voltage at the target positive voltage after the voltage output by the negative electrode of D1 exceeds the rated voltage.
Optionally, the negative electrode of the D1 is connected with the negative electrode of the D3, and the positive electrode of the D3 is connected with the positive electrode of the D4.
Optionally, the rectifier is specifically configured to rectify a-12V or 6V or 9V or 12V voltage input by the CP signal line and output a 12V or 6V or 9V or 12V voltage, respectively; the voltage converter is particularly used for converting the 6V or 9V or 12V voltage input by the rectifier into stable 12V and outputting the stable 12V voltage.
Optionally, the voltage converter specifically includes a BOOST circuit.
Optionally, the BOOST circuit includes: a direct current DC-direct current DC chip; a capacitor C14 and a capacitor C15, wherein the capacitor C14 and the capacitor C15 are connected in parallel to the D3, and the cathode of the D3 is connected to the VIN pin of the DC-DC chip; the resistor R17 and the resistor R13 are connected, the MODE pin of the DC-DC chip is connected with one end of the resistor R17, the other end of the resistor R17 is connected with the cathode of the D3, the EN pin of the DC-DC chip is connected with one end of the resistor R13, and the other end of the resistor R13 is connected with the cathode of the D3; a capacitor C17, wherein one end of the capacitor C17 is connected to the BST pin of the DC-DC chip, and the other end is connected to the SW pin of the DC-DC chip; an inductor L2, wherein one end of the L2 is connected to the SW pin of the DC-DC chip, and the other end of the L2 is connected to the VIN pin of the DC-DC chip; a capacitor C18 and a resistor R19, wherein one end of the capacitor C18 is connected with the resistor R19, and the other end of the capacitor C18 is connected with a COMP pin of the DC-DC chip; one end of the resistor R14 and one end of the resistor R16 are connected to the FB pin of the DC-DC chip, the other end of the resistor R16 is grounded, and the other end of the resistor R14 is connected to the VOUT pin of the DC-DC chip.
Optionally, the device further includes a determination circuit, where the determination circuit is configured to determine that, when the power supply voltage of the vehicle-mounted storage battery is lower than a first threshold, the stable power supply voltage output by the voltage converter is controlled to supply power to a connection control system of the electric vehicle and/or a charging system of the electric vehicle.
Optionally, the judging circuit is configured to judge that when the electric quantity of the vehicle-mounted storage battery is higher than or equal to a first threshold, the vehicle-mounted storage battery is controlled to supply power to the connection control system of the electric vehicle and/or the charging system of the electric vehicle, and the stable supply voltage output by the voltage converter is controlled not to supply power to the connection control system of the electric vehicle and/or the charging system of the electric vehicle any more.
Optionally, the judgment circuit includes an N-channel MOSFET, a gate of the MOSFET is connected to the vehicle-mounted battery, a source of the MOSFET is connected to an output terminal of the voltage converter, and a drain of the MOSFET is connected to a connection control system of the electric vehicle and/or a charging system of the electric vehicle.
Optionally, the device is configured for an electric vehicle.
A second aspect of the present invention provides a charging method, including: receiving a voltage signal input by a CP signal line under the control of a charging pile, and rectifying and converting the voltage signal into a positive voltage; and converting the positive voltage obtained after rectification conversion into stable power supply voltage, wherein the stable power supply voltage is used for supplying power for a connection control system of the electric automobile and/or a charging system of the electric automobile.
Optionally, the receiving a voltage signal input by a control pilot CP signal line of the charging pile, and rectifying and converting the voltage signal into a positive voltage includes: rectifying the-12V or 6V or 9V or 12V voltage input by the CP signal line and outputting 12V or 6V or 9V or 12V voltage respectively; the converting of the positive voltage obtained after the rectification conversion into a stable power supply voltage includes: and converting the 6V or 9V or 12V voltage obtained after rectification conversion into stable 12V and outputting.
Optionally, the receiving a voltage signal input by a control pilot CP signal line of the charging pile, and rectifying and converting the voltage signal into a positive voltage includes: and the receiving module is used for receiving a voltage signal input by a CP signal line under the control guidance of the charging pile, and when the voltage signal exceeds a rated voltage, rectifying and converting the voltage signal and clamping the voltage signal at a target positive voltage.
Optionally, the method further includes: and when the power supply voltage of the vehicle-mounted storage battery is lower than a first threshold value, controlling the stable power supply voltage to supply power for a connection control system of the electric automobile and/or a charging system of the electric automobile.
Optionally, the method further includes: and when the power supply voltage of the vehicle-mounted storage battery is higher than or equal to a first threshold value, controlling the vehicle-mounted storage battery to supply power for a connection control system of the electric automobile and/or a charging system of the electric automobile, and controlling the stable power supply voltage to stop supplying power for the connection control system of the electric automobile and/or the charging system of the electric automobile.
A third aspect of the invention provides a computer apparatus comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor executing the computer program to cause the computer apparatus to perform the steps of the method of the second aspect.
A fourth aspect of the present invention provides a computer readable storage medium having stored thereon a computer program which, when executed by a computer, implements the method of the second aspect.
The invention has the beneficial effects that:
according to the charging device, the charging method, the computer equipment and the computer readable storage medium, provided by the invention, under the condition that the battery of the electric automobile is not charged, the CP signal line of the charging pile is utilized to supply power for the connection control system and/or the charging system of the electric automobile, so that the charging pile can normally charge the battery of the electric automobile.
Drawings
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 structural diagram of a charging device according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a connection condition of a charging device according to a first embodiment of the invention;
fig. 3 is a flowchart of a charging method according to a second embodiment of the present invention;
fig. 4 is a schematic structural diagram of a computer device according to a third embodiment of the present invention;
fig. 5 is a schematic connection diagram of a storage medium according to a fourth embodiment of the present invention.
Detailed Description
Various embodiments of the present invention will be described more fully hereinafter. 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 the 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, and should not be construed 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 invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the various embodiments of the 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 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 contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in various embodiments of the present invention.
Referring to fig. 1, fig. 1 shows a charging device 100 according to an embodiment of the present invention, where the charging device 100 includes:
a rectifier 110 coupled to a Control Pilot (CP) signal line and a protection ground (PE) line of the charging pile, for converting a voltage signal input from the CP signal line into a positive voltage;
and the voltage converter 120 is connected to a connection control system of the electric automobile and/or a charging system of the electric automobile, and is used for converting the positive voltage output by the rectifier into a stable power supply voltage, and the stable power supply voltage is used for supplying power to the connection control system of the electric automobile and/or the charging system of the electric automobile.
As shown by the dashed box 110, the rectifier 110 includes a diode D1, a diode D2, a diode D5, a diode D4; the CP signal wire and the anode of the D1 are connected with the cathode of the D4; the cathode of the D1 is connected with the anode of the D2, and the voltage of the cathode of the D1 is used as the input voltage of the voltage converter; the negative electrode of the D2 and the positive electrode of the D5 are connected with a PE wire; the positive electrode of the D4 is connected with the negative electrode of the D5.
The rectifier 110 further includes a diode D3, which is a voltage regulator, and the D3 is used to clamp the voltage at a target positive voltage after the voltage output by the negative electrode of D1 exceeds a rated voltage. The negative electrode of the D1 is connected with the negative electrode of the D3, and the positive electrode of the D3 is connected with the positive electrode of the D4.
The rectifier 110 is specifically configured to rectify a voltage of-12V or 6V or 9V or 12V input from the CP signal line and output a voltage of 12V or 6V or 9V or 12V, respectively. Illustratively, the input voltage of the CP signal wire in the actual communication process is-12V or 6V or 9V or 12V. When the input voltage is a negative voltage, the output voltage is a positive voltage after passing through the rectifier 110; when the input voltage is a positive voltage, the output voltage is the input voltage after passing through the rectifier 110. For example, when the input voltage is-12V, the output voltage is 12V; when the input voltage is 9V, the output voltage is 9V.
Specifically, when the CP input is a positive voltage and PE is a normal zero potential, D1 and D5 are turned on, pin 2 of D3 is a positive voltage, and pin 1 is a reference level; when the CP signal is negative and PE is at normal zero, D2 and D4 are turned on, pin 2 of D3 is positive and pin 1 is at reference level.
As indicated by the dashed box 120, the voltage converter 120 may specifically include a BOOST circuit, which is specifically configured to convert the 6V or 9V or 12V voltage at the rectifier input to a stable 12V and output. Specifically, considering that most of the vehicle-mounted power supplies are 12V, the BOOST circuit is selected here to perform BOOST level conversion. The charging management power consumption of the existing charging and discharging circuit is 4-7W <12W, the power transmitted by a CP signal wire is 6V x 2A =12W, and the power consumption of the charging management is met.
The BOOST circuit includes: a DC-DC chip U4; a capacitor C14 and a capacitor C15, wherein the capacitor C14 and the capacitor C15 are connected in parallel to the D3, and the cathode of the D3 is connected to the VIN pin of the DC-DC chip; the resistor R17 and the resistor R13 are connected, the MODE pin of the DC-DC chip is connected with one end of the resistor R17, the other end of the resistor R17 is connected with the cathode of the D3, the EN pin of the DC-DC chip is connected with one end of the resistor R13, and the other end of the resistor R13 is connected with the cathode of the D3; a capacitor C17, wherein one end of the capacitor C17 is connected to the BST pin of the DC-DC chip, and the other end is connected to the SW pin of the DC-DC chip; an inductor L2, wherein one end of the L2 is connected to the SW pin of the DC-DC chip, and the other end of the L2 is connected to the VIN pin of the DC-DC chip; a capacitor C18 and a resistor R19, wherein one end of the capacitor C18 is connected with the resistor R19, and the other end of the capacitor C18 is connected with a COMP pin of the DC-DC chip; one end of the resistor R14 and one end of the resistor R16 are connected to the FB pin of the DC-DC chip, the other end of the resistor R16 is grounded, and the other end of the resistor R14 is connected to the VOUT pin of the DC-DC chip.
Specifically, C14 and C15 are input capacitors that supply power to the voltage converter 120. R17 enables the chip to work in PWM mode, R13 enables the chip to start working by default power-on enable. L2 is an energy storage inductor. C17 is the power supply loop capacitance of the switch tube inside the chip. R14 and R16 are voltage divider circuits that provide a voltage feedback path for the BOOST circuit. C18 and R19 are compensation circuits and adjust the loop stability and the dynamic response speed of the BOOST circuit. C11 and C12 and C13 are output capacitors and supply energy for the energy storage of the subsequent circuit. BOOST is in a switch control mode, when an internal switch is closed, L2 stores energy, and VOUT output is 0; when the internal switch is turned off, L2 continues current, and VOUT > VIN after the reference VIN is at low potential and continues current through L2. By configuring the parameters of the related devices, the 6V/9V/12V can be converted into a stable 12V voltage.
The device further comprises a judging circuit 130, as shown by a dashed line box, for judging that when the power supply voltage of the vehicle-mounted storage battery is lower than a first threshold value, the stable power supply voltage output by the voltage converter is controlled to supply power for a connection control system of the electric automobile and/or a charging system of the electric automobile.
The judging circuit is used for judging that when the electric quantity of the vehicle-mounted storage battery is higher than or equal to a first threshold value, the vehicle-mounted storage battery is controlled to supply power for a connection control system of the electric automobile and/or a charging system of the electric automobile, and the stable power supply voltage output by the voltage converter is controlled not to supply power for the connection control system of the electric automobile and/or the charging system of the electric automobile any more.
Specifically, the determination circuit may include an N-channel MOSFET, as shown in Q3, a gate (pin 3) of the MOSFET is connected to the vehicle-mounted BATTERY V _ BATTERY, a source (pin 4/8) of the MOSFET is connected to the output terminal of the voltage converter, and a drain (pin 1/2/5/6/7) of the MOSFET is connected to a connection control system of the electric vehicle and/or a charging system V _ CAR of the electric vehicle. According to the principle of power supply of the storage BATTERY, when the storage BATTERY is not powered or the power quantity is low, the power supply voltage is reduced, namely if V _ BATTERY is less than V _ Q3.8-0.3V, wherein V _ Q3.8 is the voltage output by a pin 8 of Q3, and Q3 is conducted, the output of VOUT supplies power for a connection control circuit and/or a charging system of the electric automobile; when the electric quantity of the storage BATTERY is sufficient, V _ BATTERY is larger than or equal to V _ Q3.8-0.3V, and Q3 is turned off, namely the vehicle-mounted storage BATTERY supplies power for the connection control circuit and/or the charging system of the electric automobile. It will be appreciated by those skilled in the art that the same technical objects can be achieved using P-channel MOSFETs, which are equivalent designs of the embodiments of the present invention.
The connection relationship of the circuit provided by the embodiment of the invention is shown in fig. 2, wherein the charging interface can be a seven-hole socket specified by the country. The LI/L2/L3/N is directly connected with the charging system for charging. The CP/PE signal line is connected with the rectifier. The CC/CP/PE is connected with the connection control system. The charging system may communicate with the connection control system with or without the vehicle-mounted system.
Insert electric automobile when filling the rifle that charges of electric pile, if on-vehicle battery does not have electricity or the electric quantity is low, fill electric pile and electric automobile and can't carry out the required communication of flow of charging. The charging device provided by the invention can utilize the CP signal line of the charging pile to supply power for the connection control system and/or the charging system of the electric automobile under the condition that the battery of the electric automobile is not charged, so that the charging pile can normally charge the battery of the electric automobile. And when the storage battery has enough electric quantity, switch to the storage battery and supply power for connection control system and charging system to guarantee to fill electric pile and can normally charge for electric automobile's battery.
Referring to fig. 3, fig. 3 shows a charging method according to a second embodiment of the present invention, and optionally, an execution subject of the charging method may be a charging device, and the charging device may be configured in an electric vehicle, where the method includes:
and 310, receiving a voltage signal input by a control guide CP signal line of the charging pile, and rectifying the voltage signal to convert the voltage signal into a positive voltage.
And 320, converting the positive voltage obtained after rectification conversion into a stable power supply voltage, wherein the stable power supply voltage is used for supplying power to a connection control system of the electric automobile and/or a charging system of the electric automobile.
The receiving charging pile control leads the voltage signal input by the CP signal line, and rectifies and converts the voltage signal into positive voltage, and the receiving charging pile control system comprises: the-12V or 6V or 9V or 12V voltage input by the CP signal line is rectified and the 12V or 6V or 9V or 12V voltage is output respectively. Illustratively, the input voltage of the CP signal wire in the actual communication process is-12V or 6V or 9V or 12V. When the input voltage is negative voltage, the output voltage is positive voltage after passing through the rectifier; when the input voltage is a positive voltage, the output voltage is the input voltage after passing through the rectifier. For example, when the input voltage is-12V, the output voltage is 12V; when the input voltage is 9V, the output voltage is 9V.
The converting of the positive voltage obtained after the rectification conversion into a stable power supply voltage includes: and converting the 6V or 9V or 12V voltage obtained after rectification conversion into stable 12V and outputting. Specifically, considering that most of the vehicle-mounted power supplies are 12V, the BOOST circuit is selected here to perform BOOST level conversion. The charging management power consumption of the existing charging and discharging circuit is 4-7W <12W, the power transmitted by a CP signal wire is 6V x 2A =12W, and the power consumption of the charging management is met.
The receiving charging pile control leads the voltage signal input by the CP signal line, and rectifies and converts the voltage signal into positive voltage, and the receiving charging pile control system comprises: and the receiving module is used for receiving a voltage signal input by a CP signal line under the control guidance of the charging pile, and when the voltage signal exceeds a rated voltage, rectifying and converting the voltage signal and clamping the voltage signal at a target positive voltage.
The method further comprises the following steps: and when the power supply voltage of the vehicle-mounted storage battery is lower than a first threshold value, controlling the stable power supply voltage to supply power for a connection control system of the electric automobile and/or a charging system of the electric automobile. The method further comprises the following steps: and when the power supply voltage of the vehicle-mounted storage battery is higher than or equal to a first threshold value, controlling the vehicle-mounted storage battery to supply power for a connection control system of the electric automobile and/or a charging system of the electric automobile, and controlling the stable power supply voltage to stop supplying power for the connection control system of the electric automobile and/or the charging system of the electric automobile. Specifically, referring to the description related to the first embodiment, since the voltage decreases when the battery is empty or low, the above determination may be made by the supply voltage of the vehicle-mounted battery, such as: can be compared with V _ Q3.8-0.3V by the voltage V _ BATTERY of the vehicle-mounted storage BATTERY.
Specifically, the determining process may include: and confirming that the charging gun is connected with the electric automobile, and judging whether the vehicle-mounted storage battery is charged or whether the electric quantity is low, wherein the judgment can be carried out through the power supply voltage of the vehicle-mounted storage battery as described above. If the power supply voltage of the vehicle-mounted storage battery is lower than the first threshold value, the electric quantity of the vehicle-mounted storage battery is judged to be insufficient or not, and then the control connection system and/or the charging system are/is powered through the circuit provided in the first embodiment of the invention. The control connection system is communicated with the charging pile, the connection is carried out, the handshaking is successful, and the charging pile charges a vehicle-mounted storage battery of the electric vehicle. Judging whether the vehicle-mounted storage battery meets the power consumption requirement of the connection control system, and if not, continuing to supply power to the control connection system and/or the charging system by the circuit provided by the first embodiment of the invention; when the power consumption requirement of the connection control system is judged to be met by the vehicle-mounted storage battery, the circuit provided in the first embodiment of the invention does not supply power to the connection control system of the electric automobile and/or the charging system of the electric automobile any more, and the vehicle-mounted storage battery supplies power to the connection control system and/or the charging system of the electric automobile.
For other technical features of the method provided in this embodiment, reference may be made to the related description in the first embodiment of the present invention.
Insert electric automobile when filling the rifle that charges of electric pile, if on-vehicle battery does not have electricity or the electric quantity is low, fill electric pile and electric automobile and can't carry out the required communication of flow of charging. According to the charging method provided by the invention, under the condition that the battery of the electric automobile is not charged, the CP signal line of the charging pile is used for supplying power for the connection control system and/or the charging system of the electric automobile, so that the charging pile can normally charge the battery of the electric automobile. And when the storage battery has enough electric quantity, switch to the storage battery and supply power for connection control system and charging system to guarantee to fill electric pile and can normally charge for electric automobile's battery.
An embodiment of the present invention further provides a computer device 400, as shown in fig. 4, where the computer device includes: a memory 410, a processor 420 and a computer program stored on the memory and executable on the processor, the processor executing the computer program to cause the computer apparatus 400 to perform the method of embodiment two. For other functions of the computer device 400, reference may be made to the description of the first embodiment, and further description is omitted here. The computer device 400 may be a charging device, which may be configured to an electric vehicle.
A storage medium 500 is further provided in the fourth embodiment of the present invention, as shown in fig. 5, where the program in the fourth embodiment is stored, and when being executed by the processor 510, the program implements the steps of the method in the first embodiment. The method can refer to the descriptions in the first embodiment and the second embodiment, and the description thereof is omitted here.
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 example 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 a computer program, which can be stored in a non-volatile computer-readable storage medium, and can include the processes of the embodiments of the methods described above when executed. 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 examples are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the 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 (18)

1. A charging device, comprising:
the rectifier is coupled to a control guide CP signal line and a protection grounding PE line of the charging pile and used for converting a voltage signal input by the CP signal line into a positive voltage;
and the voltage converter is connected with a connection control system of the electric automobile and/or a charging system of the electric automobile and used for converting the positive voltage output after the conversion of the rectifier into stable power supply voltage, and the stable power supply voltage is used for supplying power for the connection control system of the electric automobile and/or supplying power for the charging system of the electric automobile.
2. The apparatus of claim 1,
the rectifier comprises a diode D1, a diode D2, a diode D5, a diode D4;
the CP signal wire and the anode of the D1 are connected with the cathode of the D4;
the cathode of the D1 is connected with the anode of the D2, and the voltage of the cathode of the D1 is used as the input voltage of the voltage converter;
the negative electrode of the D2 and the positive electrode of the D5 are connected with a PE wire;
the positive electrode of the D4 is connected with the negative electrode of the D5.
3. The apparatus of claim 2,
the rectifier further includes a diode D3, the D3 is used to clamp the voltage at a target positive voltage after the voltage output by the negative pole of D1 exceeds the rated voltage.
4. The apparatus of claim 3,
the negative electrode of the D1 is connected with the negative electrode of the D3, and the positive electrode of the D3 is connected with the positive electrode of the D4.
5. The apparatus of claim 1,
the rectifier is specifically used for rectifying-12V or 6V or 9V or 12V voltage input by the CP signal line and outputting 12V or 6V or 9V or 12V voltage respectively;
the voltage converter is particularly used for converting the 6V or 9V or 12V voltage input by the rectifier into stable 12V and outputting the stable 12V voltage.
6. The apparatus of claim 2,
the voltage converter comprises a BOOST circuit.
7. The apparatus of claim 6,
the BOOST circuit includes:
a direct current DC-direct current DC chip;
a capacitor C14 and a capacitor C15, wherein the capacitor C14 and the capacitor C15 are connected in parallel to a diode D3, and the cathode of the D3 is connected to the VIN pin of the DC-DC chip;
a resistor R17 and a resistor R13, wherein the MODE pin of the direct current DC-direct current DC chip is connected with one end of the resistor R17, the other end of the R17 is connected with the cathode of D3, the EN pin of the direct current DC-direct current DC chip is connected with one end of a resistor R13, and the other end of the R13 is connected with the cathode of D3;
a capacitor C17, wherein one end of the capacitor C17 is connected to the BST pin of the DC-DC chip, and the other end is connected to the SW pin of the DC-DC chip;
an inductor L2, wherein one end of the L2 is connected to the SW pin of the DC-DC chip, and the other end of the L2 is connected to the VIN pin of the DC-DC chip;
a capacitor C18 and a resistor R19, wherein one end of the capacitor C18 is connected with the resistor R19, and the other end of the capacitor C18 is connected with a COMP pin of the direct current DC-direct current DC chip;
the resistor R14 and the resistor R16, one end of the resistor R14 and one end of the resistor R16 are connected to the FB pin of the DC-DC chip, the other end of the resistor R16 is grounded, and the other end of the resistor R14 is connected to the VOUT pin of the DC-DC chip.
8. The apparatus of claim 1, further comprising a decision circuit,
the judging circuit is used for judging that when the power supply voltage of the vehicle-mounted storage battery is lower than a first threshold value, the stable power supply voltage output by the voltage converter is controlled to supply power for a connection control system of the electric automobile and/or a charging system of the electric automobile.
9. The apparatus of claim 8,
the judging circuit is used for judging that when the electric quantity of the vehicle-mounted storage battery is higher than or equal to a first threshold value, the vehicle-mounted storage battery is controlled to supply power for a connection control system of the electric automobile and/or a charging system of the electric automobile, and the stable power supply voltage output by the voltage converter is controlled not to supply power for the connection control system of the electric automobile and/or the charging system of the electric automobile any more.
10. The apparatus of claim 8,
the judgment circuit comprises an N-channel metal-oxide-semiconductor field effect transistor (MOSFET), the grid electrode of the MOSFET is connected with the vehicle-mounted storage battery, the source electrode of the MOSFET is connected with the output end of the voltage converter, and the drain electrode of the MOSFET is connected with a connection control system of the electric automobile and/or a charging system of the electric automobile.
11. The apparatus of claim 1,
the device is configured on the electric automobile.
12. A method of charging, comprising:
receiving a voltage signal input by a CP signal line under the control of a charging pile, and rectifying and converting the voltage signal into a positive voltage;
and converting the positive voltage obtained after rectification conversion into stable power supply voltage, wherein the stable power supply voltage is used for supplying power for a connection control system of an electric automobile and/or a charging system of the electric automobile.
13. The method of claim 12, wherein the receiving of the voltage signal from the charging post control pilot CP signal line rectifies the voltage signal into a positive voltage, and comprises:
rectifying the-12V or 6V or 9V or 12V voltage input by the CP signal line and outputting 12V or 6V or 9V or 12V voltage respectively;
the converting of the positive voltage obtained after the rectification conversion into a stable power supply voltage includes:
and converting the 6V or 9V or 12V voltage obtained after rectification conversion into stable 12V and outputting.
14. The method of claim 12, wherein the receiving of the voltage signal from the charging post control pilot CP signal line rectifies the voltage signal into a positive voltage, and comprises:
and the receiving module is used for receiving a voltage signal input by a CP signal line under the control guidance of the charging pile, and when the voltage signal exceeds a rated voltage, rectifying and converting the voltage signal and clamping the voltage signal at a target positive voltage.
15. The method of claim 12, further comprising:
and when the power supply voltage of the vehicle-mounted storage battery is lower than a first threshold value, controlling the stable power supply voltage to supply power for a connection control system of the electric automobile and/or a charging system of the electric automobile.
16. The method of claim 15, further comprising:
and when the power supply voltage of the vehicle-mounted storage battery is higher than or equal to a first threshold value, controlling the vehicle-mounted storage battery to supply power for a connection control system of the electric automobile and/or a charging system of the electric automobile, and controlling the stable power supply voltage to stop supplying power for the connection control system of the electric automobile and/or the charging system of the electric automobile.
17. A computer device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, the processor executing the computer program to cause the computer device to perform the method of any one of claims 12-16.
18. A computer-readable storage medium, characterized in that the storage medium has stored thereon a computer program which, when executed by a computer, carries out the method according to any one of claims 12-16.
CN201910665483.XA 2019-07-23 2019-07-23 Charging device, charging method, computer equipment and computer-readable storage medium Active CN110182079B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201910665483.XA CN110182079B (en) 2019-07-23 2019-07-23 Charging device, charging method, computer equipment and computer-readable storage medium
PCT/CN2019/099872 WO2021012320A1 (en) 2019-07-23 2019-08-09 Charging apparatus, charging method, computer device, and computer readable storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910665483.XA CN110182079B (en) 2019-07-23 2019-07-23 Charging device, charging method, computer equipment and computer-readable storage medium

Publications (2)

Publication Number Publication Date
CN110182079A CN110182079A (en) 2019-08-30
CN110182079B true CN110182079B (en) 2019-12-20

Family

ID=67725905

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910665483.XA Active CN110182079B (en) 2019-07-23 2019-07-23 Charging device, charging method, computer equipment and computer-readable storage medium

Country Status (2)

Country Link
CN (1) CN110182079B (en)
WO (1) WO2021012320A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112994207A (en) * 2021-04-30 2021-06-18 深圳市永联科技股份有限公司 Capacitance control circuit and power supply system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101448774B1 (en) * 2013-03-07 2014-10-08 현대자동차 주식회사 System and method for power supply of on board charger
CN105226735B (en) * 2014-06-13 2019-04-09 国家电网公司 A kind of alternating current-direct current compatible type Vehicular charger front stage circuits and Vehicular charger
KR101846682B1 (en) * 2016-06-28 2018-04-09 현대자동차주식회사 Charging control method and system for electric vehicle
CN106585397B (en) * 2016-11-16 2019-06-07 东软集团股份有限公司 A kind of method, apparatus and system of electric car charging
KR102435173B1 (en) * 2017-05-24 2022-08-24 엘지이노텍 주식회사 Method and apparatus for charging battery of electric motor vehicle
CN109638933A (en) * 2017-10-06 2019-04-16 保时捷股份公司 Being galvanically isolated in the power electronic equipment at charging station or power-up station
CN209022767U (en) * 2018-09-26 2019-06-25 浙江吉利汽车研究院有限公司 A kind of vehicle charge device and vehicle
CN109159685A (en) * 2018-09-28 2019-01-08 北京新能源汽车股份有限公司 A kind of charge control system, control method and electric car

Also Published As

Publication number Publication date
CN110182079A (en) 2019-08-30
WO2021012320A1 (en) 2021-01-28

Similar Documents

Publication Publication Date Title
EP3334003B1 (en) Charging system and method thereof
KR101055341B1 (en) A power supply circuit, a charging unit having a power supply circuit, and a power supply method
US9595843B2 (en) Battery charging apparatus and battery charging method thereof
US9407143B2 (en) Vehicle power-supply unit
KR20070003636A (en) Electronic equipment, battery pack for the electronic equipment, and load apparatus
US20200338990A1 (en) System and method for controlling vehicle including solar cell
CN100466439C (en) Apparatus for preventing capacitor charger from overcharging and method thereof
US10780791B2 (en) Power source system for vehicle
US7782028B2 (en) DC-DC converter and power supply apparatus
US10826318B2 (en) Voltage increasing and decreasing device for power storage apparatus and power storage apparatus
CN110182079B (en) Charging device, charging method, computer equipment and computer-readable storage medium
US10488881B1 (en) Power supply circuit
CN114003084B (en) High-precision low-temperature-drift circuit structure
US20230078292A1 (en) Solar controller, method, non-transitory storage medium, and vehicle
CN112104093B (en) Induction power taking control device of inspection robot and MPPT control method thereof
CN110562089B (en) Charging guide device and charging equipment
CN103248099A (en) Intelligent charging control circuit
CN111231669B (en) Vehicle-mounted charger, power supply system of electric vehicle and electric vehicle
CN111149275B (en) Power storage device
CN203278326U (en) Intelligent charging control circuit
CN216312747U (en) Receiver UPS circuit
CN218603390U (en) Power supply circuit and electronic device
CN215300245U (en) Vehicle-mounted charger
CN215734043U (en) Synchronous rectification control circuit and synchronous rectification circuit
EP4311716A1 (en) Electric vehicle fuelling system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210517

Address after: 201613 301 Rong Le Dong Road, Songjiang District, Shanghai.

Patentee after: Hengda hengchi New Energy Vehicle Research Institute (Shanghai) Co.,Ltd.

Address before: 518000 Room 201, building A, No. 1, Qian Wan Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.)

Patentee before: HENGDA SMART CHARGING TECHNOLOGY Co.,Ltd.